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stackexchange | llm_judgeable_groundtruth_similarity | 5664094 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Postgresql allows adding comments to objects such as tables. For example I've added a comment to table "mytable" by using this SQL command: COMMENT ON TABLE mytable IS 'This ... | All comments are stored in pg_description To get the comments on a table, you need to join it to pg_class As an alternative you can also use the function obj_description() to retrieve this information: SELECT obj_description(oid)FROM pg_classWHERE relkind = 'r' Edit In psql you can simply use the \d+ command to show al... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/5664094', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/621258/']} | jdg_69841 |
stackexchange | llm_judgeable_groundtruth_similarity | 366863 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I was doing some work in scipy and a conversation came up w/a member of the core scipy group whether a non-negative discrete random variable can have a undefined moment... | Let the CDF $F$ equal $1-1/n$ at the integers $n=1,2,\ldots,$ piecewise constant everywhere else, and subject to all criteria to be a CDF. The expectation is $$\int_{0}^\infty (1-F(x))\mathrm{d}x = 1/2 + 1/3 + 1/4 + \cdots$$ which diverges. In this sense the first moment (and therefore all higher moments) is infinite... | {} | {'log_upvote_score': 5, 'links': ['https://stats.stackexchange.com/questions/366863', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/150025/']} | jdg_69842 |
stackexchange | llm_judgeable_groundtruth_similarity | 750765 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I want to have a bare git repository stored on a (windows) network share. I use linux, and have the said network share mounted with CIFS. My coleague uses windows xp, and has... | Git requires minimal file locking, which I believe is the main cause of problems when using this kind of shared resource over a network file system. The reason it can get away with this is that most of the files in a Git repo--- all the ones that form the object database--- are named as a digest of their content, and i... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/750765', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/73593/']} | jdg_69843 |
stackexchange | llm_judgeable_groundtruth_similarity | 27505 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Background: It is well known that the quantum mechanics of $n$ identical particles living on $\mathbb{R}^3$ can be obtained from the geometric quantization of the cot... | Often, instead of $\mathbf{R}^{3n}/S_n$, you may want to resolve the singularity. Let me explain a toy model where that resolution appears naturally. Consider $n$ identical particles on $\mathbf{C}$ with the configuration space $M^n=(\mathbf{C}^n-\Delta)/S_n$. You can think of this space as the space of unordered eigen... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/27505', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/2190/']} | jdg_69844 |
stackexchange | llm_judgeable_groundtruth_similarity | 2016206 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm trying out the DateTime.TryParseExact method, and I have come over a case that I just don't get. I have some formats and some subjects to parse that each should match one... | Ok, so I think I have figured this all out now thanks to more reading, experimenting and the other helpful answers here. What's happening is that H , m and s actually grabs two digits when they can, even if there won't be enough digits for the rest of the format. So for example with the format Hmm and the digits 123 , ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2016206', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/39321/']} | jdg_69845 |
stackexchange | llm_judgeable_groundtruth_similarity | 416850 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Can a permutation matrix ($P$) be used to change the rank of another matrix ($M$)?Is there any literature to this effect, or to the contrary? I've tried a few small exam... | Hint: The rank of a matrix is the number of linearly independent row vectors, or of linearly independent column vectors. Now think about what a permutation matrix does to the row or column vectors in the matrix if you multiply it from left or right. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/416850', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/38972/']} | jdg_69846 |
stackexchange | llm_judgeable_groundtruth_similarity | 62545 |
Below is a question asked on the forum unix.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Is there any way to find out what I just killed? $ ps -A -o pid,cmd | grep someApp | grep -v grep2802 python someApp.py$ sudo kill 2302$ EDIT: To clarify, I need to know... | There is no general way to know, but you may have clues. You sent a TERM signal, not a KILL signal, so that left the program the opportunity to run a signal handler. It might not have died at all, or it might have left a log entry somewhere. Check whether the process is still running ( ps 2302 ), and if not, check your... | {} | {'log_upvote_score': 4, 'links': ['https://unix.stackexchange.com/questions/62545', 'https://unix.stackexchange.com', 'https://unix.stackexchange.com/users/9760/']} | jdg_69847 |
stackexchange | llm_judgeable_groundtruth_similarity | 349524 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
In my SQL Server backend for my app, I want to create history tables for a bunch of my key tables, which will track a history of changes to the rows. My entire application us... | Triggers. We wrote a GUI (internally called Red Matrix Reloaded ) to allow easy creation/management of audit logging triggers. Here's some DDL of the stuff used: The AuditLog table CREATE TABLE [AuditLog] ( [AuditLogID] [int] IDENTITY (1, 1) NOT NULL , [ChangeDate] [datetime] NOT NULL CONSTRAINT [DF_AuditLog_Chan... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/349524', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/24126/']} | jdg_69848 |
stackexchange | llm_judgeable_groundtruth_similarity | 9615706 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Possible Duplicate: Is destructor called if SIGINT or SIGSTP issued? My code like this: #include <iostream>#include <signal.h>#include <cstdlib>void handler(int) { std::co... | With difficulty. Already, the code you've written has undefinedbehavior; you're not allowed to output to a stream in a signal handler;for that matter, you're not allowed to call exit either. (I'm basingmy assertions here on the Posix standard. In pure C++, all you'reallowed to do is assign to a variable of sig_atomi... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/9615706', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1105178/']} | jdg_69849 |
stackexchange | llm_judgeable_groundtruth_similarity | 7451761 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
This is what I want the output to look like: Employee Emp# Manager Mgr# BLAKE 7698 KING 7839 CLARK 7782 KING 7839 JONES 7566 KING 7839 MARTIN 76... | This is a classic self-join, try the following: SELECT e.ename, e.empno, m.ename as manager, e.mgrFROM emp e, emp mWHERE e.mgr = m.empno And if you want to include the president which has no manager then instead of an inner join use an outer join in Oracle syntax: SELECT e.ename, e.empno, m.ename as manager, e.mgrFR... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/7451761', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/770022/']} | jdg_69850 |
stackexchange | llm_judgeable_groundtruth_similarity | 3960548 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
What is the second line? (Seen while answering another question.) int * x = new int [1] ;int * y = new (x) int; After the second line x and y have the same value (point to a... | It's placement new . It constructs a new int in the memory pointed to by x . If you try: int * x = new int [1];*x = 5;std::cout << *x << std::endl;int * y = new (x) int;*y = 7;std::cout << *x << std::endl; the output will be: 57 | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3960548', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2308801/']} | jdg_69851 |
stackexchange | llm_judgeable_groundtruth_similarity | 34610421 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I wrote a program to calculate the PI number with Leibniz formula: [ I wrote a for-loop with type of initialization is "int" , the loop works fine but when i changed the init... | Actually, your first loop would have int overflow in the calculation of (2 * i + 1) when i is large enough, so I wouldn't rely on the output of it. The second loop, on the other hand, produces a more correct output, since (2 * j + 1) doesn't overflow, since it performs long multiplication. This makes the "int - loop" c... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/34610421', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5747353/']} | jdg_69852 |
stackexchange | llm_judgeable_groundtruth_similarity | 18877580 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Consider the following snippet: "12-18" -Contains "-" You’d think this evaluates to true , but it doesn't. This will evaluate to false instead. I’m not sure why this happens,... | The -Contains operator doesn't do substring comparisons and the match must be on a complete string and is used to search collections. From the documentation you linked to: -Contains Description: Containment operator. Tells whether a collection of reference values includes a single test value. In the example you provid... | {} | {'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/18877580', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/770270/']} | jdg_69853 |
stackexchange | llm_judgeable_groundtruth_similarity | 614485 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
There has been quite some debate amongst users with different backgrounds about the usage of the word photon . [ 1 , 2 ] The most apparent disagreement was on whether... | The models that describe photons used in quantum optics and in particle physics are one and the same: the Standard Model of particle physics (often replaceable with just its quantum electrodynamics component) as encased within the formalism of quantum field theory. Moreover, the definition of photons (more specifically... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/614485', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/169454/']} | jdg_69854 |
stackexchange | llm_judgeable_groundtruth_similarity | 9441892 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Here's my situation:I have been working on an ASP.NET MVC 3 application for a while. It has a database (built out of a db project; I'm going db-first) for which I have an edm... | This is probably happening because even though the intention was to use the Database First flow, in actual fact the application is using Code First to do the mapping. Let me explain a bit more because this can be confusing. :-) When using Database First with the EF Designer and the DbContext templates in Visual Studio ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9441892', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/398864/']} | jdg_69855 |
stackexchange | llm_judgeable_groundtruth_similarity | 108353 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
The force density in a plasma, according to MHD, is $$ \mathbf{F} = -\nabla P -\nabla(\frac{B^2}{2\mu_0}) + \frac{1}{\mu_0}(\mathbf{B}\cdot\nabla)\mathbf{B} $$ where ... | I think the easiest way is to start off with the conservation of momentum in the conservation-law form:$$\frac{\partial\boldsymbol\pi}{\partial t}=\nabla\cdot\mathbb T=0$$where $\boldsymbol\pi=\rho\mathbf u$ and $$\mathbb T=\rho\mathbf u\mathbf u+\left(p+\frac12B^2\right)\mathbb I - \mathbf B\mathbf B$$is the stress t... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/108353', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/37677/']} | jdg_69856 |
stackexchange | llm_judgeable_groundtruth_similarity | 5352397 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I work in web development, but I don't have a great understanding of network protocols. I recall hearing an analogy that TCP, HTTP, and SSL can be thought of as a series of n... | Since I asked this question, I've learned more about this topic, so I'll take a crack at answering it myself. The easiest way to picture the protocol stack is as a letter, wrapped in a series of envelopes. Each envelope has a different role in getting the letter to its recipient, and envelopes are added and removed as ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5352397', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4376/']} | jdg_69857 |
stackexchange | llm_judgeable_groundtruth_similarity | 23748572 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
There is a way to initialize Numeric vector with NA values like. NumericVector x(10,NumericVector::get_na()) is there any similar way to initialize a matrix to NA values?
No... | Here is a version that does not waste memory. #include <Rcpp.h>using namespace Rcpp ;// [[Rcpp::export]]NumericMatrix na_matrix(int n){ NumericMatrix m(n,n) ; std::fill( m.begin(), m.end(), NumericVector::get_na() ) ; return m ;} FWIW, in Rcpp11 , you can use some more expressive syntax: NumericMatrix m(n,n, NA) ; T... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/23748572', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1377976/']} | jdg_69858 |
stackexchange | llm_judgeable_groundtruth_similarity | 459522 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Suppose that the matrix $A$ is not diagonalizable. Show that for all $\epsilon>0$, there exists a diagonalizable matrix $A_{\epsilon}$ such that $||A-A_{\epsilon}||_{2}<... | This follows straight from the Schur decomposition. Let $A = U T U^*$ be nondiagonalizable. Here, $U$ is unitary and $T$ is triangular, with the elements $t_{ij}$. Let $\varepsilon_i$, $i = 1,\dots,n$ be such that $$t_{ii} + \varepsilon_i \ne t_{jj} + \varepsilon_j, \quad \text{for all $i \ne j$}$$ and $|\varepsilon_i|... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/459522', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/88734/']} | jdg_69859 |
stackexchange | llm_judgeable_groundtruth_similarity | 2132639 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I am missing something essential in my understanding of matrices as linear mappings (or matrices in general). To explain, I think I have a decent intuition for columnspa... | As Ted Shifrin states in his comment to your question, the rowspace of a real matrix is the orthogonal complement of its nullspace. In fact, we have the following relationships for any (not necessarily square) real matrix $A$ : $$\mathscr{C}(A^T)=\mathscr{N}(A)^\perp \\ \mathscr{N}(A^T)=\mathscr{C}(A)^\perp.$$ There is... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/2132639', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/338817/']} | jdg_69860 |
stackexchange | llm_judgeable_groundtruth_similarity | 71850 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
How can I prove that the Cartesian product of two countable sets is also countable?
Now provide the response and nothing else.
| In your answer you use Cantor's pairing function. It is an important function indeed. However using Cantor-Bernstein's theorem we only need to find an injection from $\mathbb N\times\mathbb N$ into $\mathbb N$. A useful example is: $$f(m,n) = 2^m\cdot 3^n$$ If $f(m,n)=f(l,k)$ then by the fundamental theorem of arithmet... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/71850', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/12510/']} | jdg_69861 |
stackexchange | llm_judgeable_groundtruth_similarity | 6667201 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I want to define a two-dimensional array without an initialized length like this: Matrix = [][] But this gives an error: IndexError: list index out of range
Now provide the ... | You're technically trying to index an uninitialized array. You have to first initialize the outer list with lists before adding items; Python calls this"list comprehension". # Creates a list containing 5 lists, each of 8 items, all set to 0w, h = 8, 5Matrix = [[0 for x in range(w)] for y in range(h)] #You can now add i... | {} | {'log_upvote_score': 11, 'links': ['https://Stackoverflow.com/questions/6667201', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/838242/']} | jdg_69862 |
stackexchange | llm_judgeable_groundtruth_similarity | 19197471 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
How can I get the current date in MS-SQL Server 2008 R2? The format of the column in my database is DATETIME and dates are stored in the following format: +++++++++++++ Vrdat... | SELECT CAST(GETDATE() AS DATE) Returns the current date with the time part removed. DATETIME s are not "stored in the following format". They are stored in a binary format. SELECT CAST(GETDATE() AS BINARY(8)) The display format in the question is independent of storage. Formatting into a particular display format shoul... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/19197471', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1931097/']} | jdg_69863 |
stackexchange | llm_judgeable_groundtruth_similarity | 17339461 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I want define a macro for unifying all fonts in my app: #define EXO_REGULAR_FONT(size) [UIFont fontWithName:@"Exo-Regular" size:size] and than using this macro like this: myL... | Change the name of your parameter: #define EXO_REGULAR_FONT(theFontSize) [UIFont fontWithName:@"Exo-Regular" size:theFontSize] From GCC manual : When the macro is expanded, each use of a parameter in its body is replaced by the tokens of the corresponding argument So when your macro is expanded, it inserts this in your... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/17339461', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1006113/']} | jdg_69864 |
stackexchange | llm_judgeable_groundtruth_similarity | 111326 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
In "The Potts model and the Tutte Polynomial", D.J.A. Welsh and C. Merino claim on pg. 1135, equation 18, that,\begin{align*}\sum_{i=0}^{n-1}f_i t^i = t^{n-1}T_G(1+\frac{1}{t}... | Here are two quick ways of proving this: (1) Notice that one of the many equivalent definitions of the Tutte polynomial says$$T_G(x,y)=\sum_{A\subset E}(x-1)^{k(A)-k(E)}(y-1)^{k(A)+|A|-|V|}$$Where $A$ runs through subsets of the edges of $G$, and the function $k(A)$ measures the number of components of the graph $(V,A)... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/111326', 'https://mathoverflow.net', 'https://mathoverflow.net/users/25028/']} | jdg_69865 |
stackexchange | llm_judgeable_groundtruth_similarity | 1498605 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Let $x,y,z$ be positive real numbers such that $x^2y^2+y^2z^2+z^2x^2\ge x^2y^2z^2$. Find the minimum value of$$\frac{x^2y^2} {z^3(x^2+y^2)}+\frac {y^2z^2} {x^3(y^2+z^2)}... | Let$$a=\dfrac{1}{x},b=\dfrac{1}{y},c=\dfrac{1}{z},a^2+b^2+c^2\ge 1$$Use Cauchy-Schwarz $$\sum_{cyc}\dfrac{x^2y^2}{z^3(x^2+y^2)}=\sum_{cyc}\dfrac{c^3}{(a^2+b^2)}\ge \dfrac{(a^2+b^2+c^2)^2}{c(a^2+b^2)+a(b^2+c^2)+b(c^2+a^2)}$$since$$c(a^2+b^2)+a(b^2+c^2)+b(c^2+a^2)\le\dfrac{2}{3}(a+b+c)(a^2+b^2+c^2)\le\dfrac{2}{\sqrt{3}}(... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1498605', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/280974/']} | jdg_69866 |
stackexchange | llm_judgeable_groundtruth_similarity | 1272454 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Let's say I have the following code which update a field of a struct using reflection. Since the struct instance is copied into the DynamicUpdate method, it needs to be boxe... | EDIT again : This works structs now. There's a gorgeous way to do it in C# 4, but you'll have to write your own ILGenerator emit code for anything before that. They added an ExpressionType.Assign to the .NET Framework 4. This works in C# 4 (tested): public delegate void ByRefStructAction(ref SomeType instance, object v... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1272454', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/17815/']} | jdg_69867 |
stackexchange | llm_judgeable_groundtruth_similarity | 20657 |
Below is a question asked on the forum biology.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Some people say that it's awful that humans eat animals. They feel that it's barbaric, because you're killing life and then on top of that, you're eating it, and tha... | The answer to your question is yes it is certainly possible. At one time it was thought that there was something special about "organic" chemicals which meant that they could not be artificially synthesised out of fundamental elements. In 1828 Frederick Wöhler synthesised urea (CO(NH 2 ) 2 ) which is often taken as the... | {} | {'log_upvote_score': 7, 'links': ['https://biology.stackexchange.com/questions/20657', 'https://biology.stackexchange.com', 'https://biology.stackexchange.com/users/668/']} | jdg_69868 |
stackexchange | llm_judgeable_groundtruth_similarity | 248548 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Gödel's ontological proof is a formal argument for God's existence by the mathematician Kurt Gödel. Can someone please explain what are the symbols in the proof and elab... | The modal operator $\square$ refers to necessity; its dual, $\lozenge$, refers to possibility. (A sentence is necessarily true iff it isn't possible for it to be false, and vice versa.) $P(\varphi)$ means that $\varphi$ is a positive (in the sense of "good") property; I'll just transcribe it as "$\varphi$ is good". ... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/248548', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/24403/']} | jdg_69869 |
stackexchange | llm_judgeable_groundtruth_similarity | 4197357 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I just started working at a company that doesn't have any kind of source control. I brought up that we might need to get some sort of source control going and one of my co-w... | Why using sharepoint as a sorce control is stupid idea: Performance of sharepoint is much worse than any Source Control Tools for example Team Foundation Server or SVN Sharepint doesn't allow to compare different historical versions of the same file SharePoint dosen't allow for branching, merging and labeling. Sharepoi... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4197357', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/226897/']} | jdg_69870 |
stackexchange | llm_judgeable_groundtruth_similarity | 35830 |
Below is a question asked on the forum electronics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Lets say we have a circuit with a voltage source and a 5 ohm resistor. The voltage source is 20 v and so the current flowing is 4 amperes (according to ohms law).... | If the equivalent resistance is zero then there's also no voltage across it, per Ohm's Law. Then the current though the resistor is 0 V/ 5 Ω = 0 A. The current through the wire can't be calculated this way since 0 V/ 0 Ω is undefined. Then the current will depend on the source's internal resistance. If that's 1 µΩ for ... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/35830', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/8769/']} | jdg_69871 |
stackexchange | llm_judgeable_groundtruth_similarity | 21140815 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
Here is my current PS1: $ echo $PS1\[\e]0;\w\a\]\n\[\e[32m\]\u@\h \[\e[33m\]\w\[\e[0m\]\n\$ I have installed git bash completion and it isn't showing the current branch in my... | Modify the prompt string and add $(__git_ps1 " (%s)") somewhere. For example, try typing this into Bash: export PS1="\[\e]0;\w\a\]\n\[\e[32m\]\u@\h \[\e[33m\]\w\[\e[0m\]$(__git_ps1 ' (%s)')\n\$" Once you find something you like, add that line to one of Bash's startup files, e.g. $HOME/.bashrc . The source for git-promp... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/21140815', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/157971/']} | jdg_69872 |
stackexchange | llm_judgeable_groundtruth_similarity | 10710446 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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This seems like it should be an easy fix, but so far a solution has eluded me. I have a single column csv file with non-ascii chars saved in utf-8 that I want to read in and ... | Your first snippet won't work. You are feeding unicode data to the csv reader, which (as documented) can't handle it. Your 2nd and 3rd snippets are confused. Something like the following is all that you need: f = open('your_utf8_encoded_file.csv', 'rb')reader = csv.reader(f)for utf8_row in reader: unicode_row = [x.d... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10710446', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1012040/']} | jdg_69873 |
stackexchange | llm_judgeable_groundtruth_similarity | 601840 |
Below is a question asked on the forum electronics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm working on a lighting project for a van build out. I'm using 12 V car batteries that are solar-powered. I know that I can use WS2811 strips that are 12 V stri... | Nope. 5V things in parallel still needs 5V. You must mean series which would require 10V. And 12V divided to two series LED strips will be 6V per strip, which will be beyond absolute maximum voltage rating for a WS2812 LED so they will blow up. Even if it did not blow up, one of them would reference the data pin to 0V ... | {} | {'log_upvote_score': 4, 'links': ['https://electronics.stackexchange.com/questions/601840', 'https://electronics.stackexchange.com', 'https://electronics.stackexchange.com/users/166623/']} | jdg_69874 |
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Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Space is a very low temperature environment, however it also has an extremely small number of particles per unit volume. This leads me to believe that, contrary to p... | Let's start by assuming you're in the shade, so you're not receiving any radiation (apart from the cosmic microwave background, which I think we can ignore). The amount of heat per unit area that you radiate is given by Stefan's law : $$ J = \varepsilon \sigma T^4 \tag{1} $$ The emissivity of human skin is allegedly 0.... | {} | {'log_upvote_score': 4, 'links': ['https://physics.stackexchange.com/questions/159590', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/3982/']} | jdg_69875 |
stackexchange | llm_judgeable_groundtruth_similarity | 1789 |
Below is a question asked on the forum dsp.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I have $n$ discrete samples of a seismic signal $y[n]$: I want to find local maxima in the signal. A naive test for if $y[n]$ is a maximum would be:$$y[n]: maxima \textbf... | Getting a sub-sample resolution A very cheap (in terms of code size) solution is just to upsample your signal. In matlab, this can be done with interp(y ,ratio) . A slightly more complicated solution consists in naively detecting peaks ; and for each peak, fitting a parabola through y[peak - 1], y[peak], y[peak + 1] ; ... | {} | {'log_upvote_score': 4, 'links': ['https://dsp.stackexchange.com/questions/1789', 'https://dsp.stackexchange.com', 'https://dsp.stackexchange.com/users/697/']} | jdg_69876 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Lets say I have the following scenarios: int i = 10;short s = 5;if (s == i){ do stuff...} else if (s < i) { do stuff...} When C does the comparison does it convert the sma... | This is governed by the usual arithmetic conversions . For simple cases, the general rule of thumb is that the type with "less" precision is converted to match the type with "more" precision, but it gets somewhat complex once you start mixing signed and unsigned . In C99, this is described by section 6.3.1.8, which I ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/6636793', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/668427/']} | jdg_69877 |
stackexchange | llm_judgeable_groundtruth_similarity | 19219 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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A box contain $A$ white and $B$ black balls and $C$ balls are drawn, then the expected value of the number of white balls drawn is ? The answer is $\large \frac{ca}{a+b}... | These calculations are often made clearer by using indicator random variables. For $1\leq i\leq C$, define $Z_i$ by setting $Z_i=1$ if the $i$th ball drawn is white and $Z_i=0$ otherwise. Then the total number of white balls is $\sum_{i=1}^C Z_i$ and by linearity of expectation we have$$ E(\mbox{ white balls })=E\left(... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/19219', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/2109/']} | jdg_69878 |
stackexchange | llm_judgeable_groundtruth_similarity | 70635 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
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A closed oriented Riemannian manifold with negative sectional curvatures has the property that all its geodesics have Morse index zero. Is there a known counterexample to the ... | As mentioned by Rbega the question should be amended to ask whether it's true that a closed manifold $M$ without conjugate points admits a metric of non-positive (rather than negative) curvature (otherwise a torus is an obvious counterexample). In that form this is a well-known open problem. The exponential map at any... | {} | {'log_upvote_score': 4, 'links': ['https://mathoverflow.net/questions/70635', 'https://mathoverflow.net', 'https://mathoverflow.net/users/10839/']} | jdg_69879 |
stackexchange | llm_judgeable_groundtruth_similarity | 12965167 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have the following array: myarray = [ ['usa','primary', 'john'], ['france','primary', 'lira'], ['usa', 'secondary', 'steve'], ['germany', 'primary', 'jeff'], ['france'... | With a bit of Higher order programming: myarray.reduce({}) do |accu, (country, func, name)| accu[country] ||= {} accu[country][func.to_sym] = name accu end.map{|k, h| h[:country] = k; h} Explanation: Reduce will take an accumulator, in this case we start with an empty hash and go through the array. We match the tri... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12965167', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1560470/']} | jdg_69880 |
stackexchange | llm_judgeable_groundtruth_similarity | 50941 |
Below is a question asked on the forum mathematica.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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It was said such real objects of famous topological surfaces were plotted by the cooperation between mathematician Richard Palais and artist Luc Benard, and publi... | Concerning the comment about creating the surfaces, sure: Mathematica is one of the best tools available for that. Here's the Klein bottle , for example. ParametricPlot3D[{ (3 + Cos[v/2]*Sin[u] - Sin[v/2]*Sin[2 u])*Cos[v], (3 + Cos[v/2]*Sin[u] - Sin[v/2]*Sin[2 u])*Sin[v], Sin[v/2]*Sin[u] + Cos[v/2]*Sin[2 u]}, {u, -P... | {} | {'log_upvote_score': 5, 'links': ['https://mathematica.stackexchange.com/questions/50941', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/9851/']} | jdg_69881 |
stackexchange | llm_judgeable_groundtruth_similarity | 35670229 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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If I have a string, say, "The quick brown fox jumps over the lazy dog" , and there's a list [1, 8, 14, 18, 27] indicates where to cut the string. What I expect to get is a li... | Here's how I would do it: >>> s = "The quick brown fox jumps over the lazy dog">>> l = [1, 8, 14, 18, 27]>>> l = [0] + l + [len(s)]>>> [s[x:y] for x,y in zip(l, l[1:])]['T', 'he quic', 'k brow', 'n fo', 'x jumps o', 'ver the lazy dog'] Some explanation: I'am adding 0 to the front and len(s) to the end of the list, such... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/35670229', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5215536/']} | jdg_69882 |
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Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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I've seen a few questions posted before about mine, but this is a bit different. The original form of the question can be found here: http://librarun.org/book/10452/159 ... | If it is not true that "for every $\epsilon > 0$ there is some $\delta > 0$ such that if $0 < |x-a| < \delta$ then $|f(x) - L| < \epsilon$", then $$\color{blue}{\text{ there is some } \epsilon > 0 \text{ such that for every }\delta > 0 \text{ there is some } x \text{ which satisfies } \\0 < |x - a| < \delta \text{ but ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1345890', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/211697/']} | jdg_69883 |
stackexchange | llm_judgeable_groundtruth_similarity | 39680320 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm trying to use LLDB within Xcode 8 to debug very basic STL. I used to be able to print a vector like this: p myvector[0] to see whatever was in the first vector index. Now... | [] is an operator method on std::vector , so to print the expression you want, lldb would have to be able to call the [] method. The problem here is that the STL on OS X is aggressive about inlining everything it can, and not wasting space producing out of line copies of the same functions. That's great for optimized... | {} | {'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/39680320', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/57662/']} | jdg_69884 |
stackexchange | llm_judgeable_groundtruth_similarity | 6865261 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am creating an Outlook 2010 add-in and have added a context menu to my ribbon for idMso="contextMenuMailItem". On click, I would like to remove a category but in the click... | The following link might provide you with some insight: http://msdn.microsoft.com/en-us/library/ff863278.aspx The "context" of the control gives you the corresponding Outlook object that you are customizing (for example an Inspector object). From there you'll need to reference the context object's CurrentItem property... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/6865261', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/239837/']} | jdg_69885 |
stackexchange | llm_judgeable_groundtruth_similarity | 743243 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
In a triangle $ABC$ $2a^2+4b^2+c^2=4ab+2ac$ then the numerical value of $cos B$ equals ? ($a,b,c$ are sides opposite to angles $A,B,C$) I tried to use cosine rule , but ... | $$2a^2+4b^2+c^2=4ab+2ac\iff (a-2b)^2+(a-c)^2=0$$ Now sum of squares of two real numbers is zero, so each must be individually zero.Hence $a=c=2b$. Then$$\cos B=\frac{a^2+c^2-b^2}{2ac}=\frac{4b^2+4b^2-b^2}{8b^2}=\frac{7}{8}.$$ | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/743243', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/86694/']} | jdg_69886 |
stackexchange | llm_judgeable_groundtruth_similarity | 21236774 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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We currently have a page setup that has no filters/facet/queries applied. It is a listing of all content (using a pager). The filter query is something like *:* (anything fro... | Querying for *:* is also called a MatchAllDocsQuery . According to the SO question How are results ordered in solr in a "match all docs" query it will return the docs in the same order as they were stored in the index. Be aware that if you update an existing document, it get's deleted and recreated. As such it would ap... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/21236774', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1004232/']} | jdg_69887 |
stackexchange | llm_judgeable_groundtruth_similarity | 15753102 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am using the sqlalchemy package in python. I have an operation that takes some time to execute after I perform an autoload on an existing table. This causes the following e... | I think you are looking for something like this: from sqlalchemy import exc, eventfrom sqlalchemy.pool import Pool@event.listens_for(Pool, "checkout")def check_connection(dbapi_con, con_record, con_proxy): '''Listener for Pool checkout events that pings every connection before using. Implements pessimistic discon... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/15753102', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/668624/']} | jdg_69888 |
stackexchange | llm_judgeable_groundtruth_similarity | 15873172 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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When i show the image its going to the left most position of the div. i know its not a good question but i unable to solve this so posted. Actually i am dynamically adding ht... | Finding articulation vertices is an application of DFS. In a nutshell, Apply DFS on a graph. Get the DFS tree. A node which is visited earlier is a "parent" of those nodes which are reached by it and visited later. If any child of a node does not have a path to any of the ancestors of its parent, it means that removing... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/15873172', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1926138/']} | jdg_69889 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I need to use strtok to read in a first and last name and seperate it. How can I store the names where I can use them idependently in two seperate char arrays? #include <stdi... | Here is my take at a reasonably simple tokenize helper that stores results in a dynamically growing array null-terminating the array keeps the input string safe (strtok modifies the input string, which is undefined behaviour on a literal char[], at least I think in C99) To make the code re-entrant, use the non-standard... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8106765', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/271534/']} | jdg_69890 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have something which is an awful lot like a list comprehension in Python, except that it shares mutable state between iterations. Is there any way to do it with a list comp... | Is there any way to do it with a list comprehension? What I'm looking for is something like this... batch = [??? for _ in xrange(n)] Sure, no problem: >>> x = 1>>> n = 5>>> [prev.append(f(prev[0])) or prev.pop(0) for prev in [[x]] for _ in xrange(n)][1, 18, 9, 22, 11] Note: This is a bad idea. (I pretty much only did t... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/47803002', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/44330/']} | jdg_69891 |
stackexchange | llm_judgeable_groundtruth_similarity | 93549 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
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It is easy to visualize some Morse functions on surfaces (such as the torus) via the height function, but this seemingly doesn't work for 3-manifolds. I am looking for an expl... | The Morse function on $(S^1)^3$ that gives the genus 3 Heegaard splitting (the standard one) is basically just a smoothed "distance from the 1-skeleton function". So if you think of $S^1$ as the unit circle in $\mathbb C$, then $$f : (S^1)^3 \to \mathbb R$$ is given by $$f(z_1,z_2,z_3) = |z_1-1|^2 + |z_2-1|^2 + |z_3-1|... | {} | {'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/93549', 'https://mathoverflow.net', 'https://mathoverflow.net/users/12310/']} | jdg_69892 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a UIbutton created in code in an NSObject class which controls a game in a UIViewController class. The button works fine throughout most of the game, but at a certain ... | Take out self.nextButton.alpha = 0 to test this out, I believe that button events will not fire when alpha is zero. When it comes to animations, the actual object's alpha will get set to zero before the animation starts, and what you are seeing is like a rendered interactive screenshot of your view as it animates I... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/34296002', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4727468/']} | jdg_69893 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am using wysihtml5 wysiwyg editor. The problem is that image src attribute and link href attribute are stripped from html. At server I am already getting stripped html. How... | Try taking a look at the wysihtml5-x.x.x.js file you are referencing. They decided that they would only allow absolute URLs (in the name of guarding against XSS). The code below essentially allows you to take any value if you are comfortable with that trade off. Ctrl-F for "var attributeCheckMethods" and make the foll... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11773820', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/737629/']} | jdg_69894 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I wish to get rid of a lot of my repo's old history, so I did a shallow clone to get the last 50 commits only: git clone --depth=50 https://my.repo That worked OK, but when I... | Here's what I ended up doing - it worked perfectly. Note that I was moving from my old host (Bitbucket) to my new one (Gitlab). My comments are above the commands: # First, shallow-clone the old repo to the depth we want to keepgit clone --depth=50 https://...@bitbucket.org/....git# Go into the directory of the clone... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/50992188', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/178757/']} | jdg_69895 |
stackexchange | llm_judgeable_groundtruth_similarity | 972775 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Some time ago I asked How to find $\displaystyle{\int}_0^1\frac{\ln^3(1+x)\ln x}x\mathrm dx$ .Thanks to great effort of several MSE users, we now know that\begin{align}\... | I will be using the following results:$$2\sum^\infty_{n=1}\frac{H_n}{n^q}=(q+2)\zeta(q+1)-\sum^{q-2}_{j=1}\zeta(j+1)\zeta(q-j)\tag1$$$$\sum^\infty_{n=1}\frac{H_n}{n^22^n}=\zeta(3)-\frac{\pi^2}{12}\ln{2}\tag2$$$$\sum^\infty_{n=1}\frac{H_n}{n^32^n}={\rm Li}_4\left(\tfrac{1}{2}\right)+\frac{\pi^4}{720}-\frac{1}{8}\zeta(3)... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/972775', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/75621/']} | jdg_69896 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a class ( MyFacade ) that I injected parameter(s) with Ninject : class MyFacade{ IDemoInterface demo; public MyFacade(IDemoInterface demo) { this.demo ... | When setting up your bindings, you need to bind your dependencies. It is always better to setup your dependencies in your bindings, as opposed to doing a kernel.Get<T>() in a constructor. You are using IOC, so leverage the framework you are using to do the injection for you. In your second example binding, what you are... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/21706436', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/480700/']} | jdg_69897 |
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I want to Unit and e2e test my applications as much as possible and my goal is a coverage of 101%. Problem right now with my setup is, that the @Column decorator from typeorm... | I ran into a similar issue with GraphQL decorators. As all of these are functions, what you can do is create a file that holds all of the functions you'll be using, name them, and export them, so that you can actually test them as well and get the coverage with Jest. (The tests should literally be something like expect... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/58747303', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2291097/']} | jdg_69898 |
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int max(int n, ...) I am using cdecl calling convention where the caller cleans up the variable after the callee returns. I am interested in knowing how do the macros va_end ... | If you look at the way the C language stores the parameters on the stack, the way the macros work should become clear:- Higher memory address Last parameter Penultimate parameter .... Second parameterLower memory address First parameter ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/12371450', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/204623/']} | jdg_69899 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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A feature of C++ is the ability to create unnamed (anonymous) namespaces, like so: namespace { int cannotAccessOutsideThisFile() { ... }} // namespace You would think that... | The C++ Standard reads in section 7.3.1.1 Unnamed namespaces, paragraph 2: The use of the static keyword isdeprecated when declaring objects in anamespace scope, the unnamed-namespaceprovides a superior alternative. Static only applies to names of objects, functions, and anonymous unions, not to type declarations. Edit... | {} | {'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/154469', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/12193/']} | jdg_69900 |
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I came across this syntax recently for try-catch for function. struct A{ int a; A (int i) : a(i) // normal syntax { try {} catch(...) {} } A () // something dif... | The First Syntax: The scope of the try block starts after the Member Initialization list has been completed, So any exception thrown during Member Initialization will not be caught by this try-catch block. The second syntax: It ensures that if an exception gets thrown during Member Initialization list then you are able... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/6756931', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/514235/']} | jdg_69901 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm trying to set up a relationship as follows. Each Master item has one or more Detail items: public class Detail { public virtual Guid DetailId { get; set; } public v... | You can't. To quote the link from my answer on the other question you linked to: Very Important Note: If the <key> column of a <one-to-many> association is declared NOT NULL, NHibernate may cause constraint violations when it creates or updates the association. To prevent this problem, you must use a bidirectional asso... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4466153', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/7913/']} | jdg_69902 |
stackexchange | llm_judgeable_groundtruth_similarity | 2029507 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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Say there is a list of integers [1,2,3,4,5] and a map function that multiplies each element with 10 and returns modified list as [10,20,30,40,50] , with out modifying the ori... | Here's an example: #include <vector>#include <iostream>#include <algorithm>using namespace std;int multiply(int);int main() { vector<int> source; for(int i = 1; i <= 5; i++) { source.push_back(i); } vector<int> result; result.resize(source.size()); transform(source.begin(), source.end(), result.beg... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2029507', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/22076/']} | jdg_69903 |
stackexchange | llm_judgeable_groundtruth_similarity | 27829 |
Below is a question asked on the forum security.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I know that masquerading is to impersonate a false identity and replaying is the same wherein unauthorized person uses the credentials of the authorized one to have ... | These two terms do not have meanings at the same level. Masquerading (or impersonation ; the two terms are equivalent) is any attack wherein the attackers acts (emits data packets or the like) as if he was some other user or entity in the system. Replay attacks are attacks where the attacker simply sends a data element... | {} | {'log_upvote_score': 4, 'links': ['https://security.stackexchange.com/questions/27829', 'https://security.stackexchange.com', 'https://security.stackexchange.com/users/13699/']} | jdg_69904 |
stackexchange | llm_judgeable_groundtruth_similarity | 43817756 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm using one of the angular 2 material's theme. I'm able to use the theme colors on material components like button, toolbar using color="primary". But I'm not able to figur... | Indeed, you cannot use color="primary" on every HTML element. What I did is a class called color-primary @import '~@angular/material/theming';@include mat-core();$primary: mat-palette($mat-deep-purple, 600, 500, 900);$accent: mat-palette($mat-amber, A400, A300, A600);.color-primary { color: mat-color($primary);}.color... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/43817756', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2255622/']} | jdg_69905 |
stackexchange | llm_judgeable_groundtruth_similarity | 3511429 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Since using transfinite induction it's possible to demonstrate that for every ordinals $\zeta$ , we have $\zeta<\omega_\zeta$ , it seems that it isn't possible that ther... | Since using transfinite induction it's possible to demonstrate that for every ordinals $\zeta$ it's $\zeta<\omega_\zeta$ No, it isn't. What you can show is that $\zeta\le\omega_\zeta$ for all $\zeta$ , but that's quite different. Any attempted inductive argument to prove the claim above will run into trouble at limit s... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3511429', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/736008/']} | jdg_69906 |
stackexchange | llm_judgeable_groundtruth_similarity | 1685120 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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does not work (Compilation error: missing return statement) public SqlMapClientTemplate getSqlTempl() throws UivException, SQLException{ try { SqlMapClient scl = (S... | In first case the method is not returning anything after the catch block or inside the catch block. In second case the catch block is throwing an exception so compiler know that the method will return an object or throw an exception. | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/1685120', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/44286/']} | jdg_69907 |
stackexchange | llm_judgeable_groundtruth_similarity | 37274347 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I've just installed the pipeline plugin (on Jenkins 2.1). When I create a new job the Source Code Management tab is missing (and a few others).According to the article descri... | You may need to install Git plugin (or other SCM connector) before the SCM configuration options will show up. Once it (they) are added to Jenkins, you can continue with the job set up: In the Pipeline section, select Definition: Pipeline Script from SCM . Additional configuration elements will appear on the page, most... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/37274347', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1001423/']} | jdg_69908 |
stackexchange | llm_judgeable_groundtruth_similarity | 43971 |
Below is a question asked on the forum cstheory.stackexchange.com. Provide a good and informational response to it like a helpful human would.
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Pierce (2002) introduces the typing relation on page 92 by writing: The typing relation for arithmetic expressions, written "t : T", is defined by a set of inferenc... | The main reason to prefer the colon notation $t : T$ to the membership relation $t \in T$ is that the membership relation can be misleading because types are not (just) collections . [ Supplemental: I should note that historically type theory was written using $\in$ . Martin-Löf's conception of type was meant to captur... | {} | {'log_upvote_score': 5, 'links': ['https://cstheory.stackexchange.com/questions/43971', 'https://cstheory.stackexchange.com', 'https://cstheory.stackexchange.com/users/47144/']} | jdg_69909 |
stackexchange | llm_judgeable_groundtruth_similarity | 8527292 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm building a RESTful API for a project I'm working on and I'd like to make the main application consume the API because: It will result in having one set of code to maintai... | I have come across the same issue and solved it like this. 1 For third party apps, using my API, they have to authenticate via OAuth on all requests. 2 For my own third party clients, (mobile, AIR etc) - they use OAuth, with the difference that I allow these to send username and password directly in the authorization s... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8527292', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1100835/']} | jdg_69910 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have one realm list and i want to sort the list alphabetically. Collections.sort(contacts, new java.util.Comparator<Contacts>() { @Override public int compare... | Sorting in Realm is pretty straight forward. Here is an example: Let's assume you want to sort the contact list by name, you should sort it when your querying the results, you will get the results already sorted for you. There are multiple ways to achieve this Example: 1) Simple and Recommended way: // for sorting asce... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/39290363', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1453704/']} | jdg_69911 |
stackexchange | llm_judgeable_groundtruth_similarity | 4009352 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'd like to post on page - throught my site. . I didn't find anything that could help me in documentation. Also none of google results gave mi answer. function post_facebook(... | if you want to post on a fan page where you are adminstrator.. do the next Your application needs to have this permission minimum: $this->loginUrl = $this->facebook->getLoginUrl( array( 'scope' => 'manage_pages,offline_access,publish_stream', 'redirect_uri' => $url, ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4009352', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/309240/']} | jdg_69912 |
stackexchange | llm_judgeable_groundtruth_similarity | 37744 |
Below is a question asked on the forum skeptics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I was browsing a hashtag on twitter (#StepsToReverseClimateChange to hopefully find how I can help myself), and saw a post by someone with this image attached: The i... | The source for this number is likely thereligionofpeace.com , not a scholarly site. Far-right websites such as Breitbart are using it as a source for similar claims (the number is changing daily, and the 27000 figure is a bit older). On their website , they state: [...] we are not making the claim that this is a scient... | {} | {'log_upvote_score': 7, 'links': ['https://skeptics.stackexchange.com/questions/37744', 'https://skeptics.stackexchange.com', 'https://skeptics.stackexchange.com/users/29983/']} | jdg_69913 |
stackexchange | llm_judgeable_groundtruth_similarity | 9367096 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have model: [Validator(typeof(RegisterValidator))]public class RegisterModel{ public string Name { get; set; } public string Email { get; set; } public string Pass... | 1) how to use my service for validation? You could use the Must rule: RuleFor(x => x.Email) .NotEmpty() .WithMessage("Email is required.") .EmailAddress() .WithMessage("Invalid email format.") .Must(userService.IsEmailUnique) .WithMessage("Email already taken"); 2) is it possible to register multiple ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9367096', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/571203/']} | jdg_69914 |
stackexchange | llm_judgeable_groundtruth_similarity | 20723379 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I would like to return the most recent record (top 1) from ElasticSearch index similar to the sql query below; SELECT TOP 1 Id, name, title FROM MyTable ORDER BY Date DESC; C... | Do you have _timestamp enabled in your doc mapping? { "doctype": { "_timestamp": { "enabled": "true", "store": "yes" }, "properties": { ... } }} You can check your mapping here: http://localhost:9200/_all/_mapping If so I think this might work to get mo... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/20723379', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3120253/']} | jdg_69915 |
stackexchange | llm_judgeable_groundtruth_similarity | 367010 |
Below is a question asked on the forum stats.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I got this question in a quiz, it asked what will be the training error for a KNN classifier when K=1. What does training mean for a KNN classifier? My understanding ab... | Training error here is the error you'll have when you input your training set to your KNN as test set. When K = 1, you'll choose the closest training sample to your test sample. Since your test sample is in the training dataset, it'll choose itself as the closest and never make mistake. For this reason, the training er... | {} | {'log_upvote_score': 5, 'links': ['https://stats.stackexchange.com/questions/367010', 'https://stats.stackexchange.com', 'https://stats.stackexchange.com/users/220634/']} | jdg_69916 |
stackexchange | llm_judgeable_groundtruth_similarity | 45986787 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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The structure of page is header, two columns (one fixed) and footer.I need this functionality:Header staying in top of screen and not scrollable.Left column is fixed width an... | Looks like the "duplicate" mark got removed, but so has the answer that I kludged into the comments section. So, for posterity: The reason this doesn't work is because global monitors for .keyDown events require more permissions than some of the other event handlers, including the one that somebody thought this was a d... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/45986787', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/111428/']} | jdg_69917 |
stackexchange | llm_judgeable_groundtruth_similarity | 12064756 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am looking to implement a simple search function while using the globalize3 gem for Ruby on Rails. Since the translations of the model are stored in a separate table, the ... | You're in luck, I tackled exactly the same problem recently! Luckly for you the answer is quite simple. You can use the class method with_translations to include translations for a given set of locales. Here's the code: def with_translations(*locales) locales = translated_locales if locales.empty? includes(:translati... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12064756', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1276696/']} | jdg_69918 |
stackexchange | llm_judgeable_groundtruth_similarity | 9887505 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have the following script: import socksimport socketsocks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, "127.0.0.1", 9050)socket.socket = socks.socksocketimport urllib2print(url... | Today, I have searched a lot about this question, and finally managed to answer myself. But before I need to say that pirvoxy and tor should be configured correctly. First script, then a little bit about configuration: import urllib2from TorCtl import TorCtlproxy_support = urllib2.ProxyHandler({"http" : "127.0.0.1:8118... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/9887505', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/873286/']} | jdg_69919 |
stackexchange | llm_judgeable_groundtruth_similarity | 8645774 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
In my app im using 4 pickerviews in action sheet in which how can i get the particular value from the particular picker ?in which i have used a method to get it., but i need ... | You need to consider that GROUP BY happens after the WHERE clause conditions have been evaluated. And the WHERE clause always considers only one row, meaning that in your query, the meta_key conditions will always prevent any records from being selected, since one column cannot have multiple values for one row . And wh... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/8645774', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1059705/']} | jdg_69920 |
stackexchange | llm_judgeable_groundtruth_similarity | 3758978 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'm trying to format this and other elements alike, so it would look like this 2,590: <Add_Amount>2,59</Add_Amount> Doing it like this: <xsl:decimal-format name="dkk" decimal... | Use : format-number(translate(., ',','.'), '#.###,000', 'd') This transformation : <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="text"/> <xsl:decimal-format name="d" decimal-separator="," grouping-separator="."/> <xsl:template match="/"> <xsl:value-of select= "... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/3758978', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/419655/']} | jdg_69921 |
stackexchange | llm_judgeable_groundtruth_similarity | 18632644 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I am having a bit of difficulty implementing google analytics to my rails 4 project. I included the tracking code to the bottom of my layouts file and have even tried to remo... | I set up Google Analytics a few days before.. 1.) The Turbolink Workaround With Turbolinks, the Google Analytics JavaScript library is not sufficient to record a page visit for every page update. The workaround should be loaded on every page and it can be included as an application-wide asset (it will load before Turbo... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/18632644', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2524694/']} | jdg_69922 |
stackexchange | llm_judgeable_groundtruth_similarity | 30661075 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I know the three following methods that can be used for casting objects. Object o = "str";String str1 = (String) o; // Method 1String str2 = o.toString(); ... | The second method that you show is not casting; it's simply calling the toString() method on an object, which is not different than any other method call: String str2 = o.toString(); The effect of the first and third methods is essentially the same. I would prefer using the first method. What happened with object on th... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/30661075', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1377498/']} | jdg_69923 |
stackexchange | llm_judgeable_groundtruth_similarity | 41231775 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have two GET methods on my API controller. When I attempt to call the GetByCompanyId method, which I have decorated with the Route Attribute, the request instead is being r... | This is a 2 part answer with the 1st part going over the Github directions and ending on Step 19. The 2nd part extends more info that couldn't fit into the 1st part and it will begin on step 19 in detail. I'll have to add it to another question and link it to this. Here are the Github steps listed in order. FYI I kept ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/41231775', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/256212/']} | jdg_69924 |
stackexchange | llm_judgeable_groundtruth_similarity | 14199 |
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would.
Question:
Hi Linux/UNIX Overlords, Do any of you have a rule of thumb as to how many context switches (per processor core) is Normal on a Linux server? My college here brought it up, and... | This depends very much on the type of application you run. If you've got applications which are very trigger-happy WRT syscalls you can expect to see high amounts of context switching. If most of your applications idle around and only wake up when there's stuff happening on a socket, you can expect to see low context s... | {} | {'log_upvote_score': 5, 'links': ['https://serverfault.com/questions/14199', 'https://serverfault.com', 'https://serverfault.com/users/3505/']} | jdg_69925 |
stackexchange | llm_judgeable_groundtruth_similarity | 193844 |
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Let's say you have rain hitting you evenly on all sides (not very realistic, I know). If you were to move forwards at a constant speed, there would be more droplets o... | You are right in that the speed of light doesn't change. It is a completely different effect to the rain drop analogy. If you had only light hitting you directly from the front and directly form the back, you would observe the same intensity in the moving frame (only blue/red shifted). But for light coming at you from ... | {} | {'log_upvote_score': 5, 'links': ['https://physics.stackexchange.com/questions/193844', 'https://physics.stackexchange.com', 'https://physics.stackexchange.com/users/85765/']} | jdg_69926 |
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Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I changed my initial Activity in SherlockActivity in order to benefit from all the advantages of ABS. and for this I use a ListAdapterAnSco extends BaseAdapter .Now I want to... | This is a short guide for HLS streaming with any input file or stream: I am following user1390208's approach, so I use FFMPEG only to produce the rtmp stream which my server then receives to provide HLS. Instead of Unreal/Wowza/Adobe, I use the free server nginx with the rtmp module, which is quite easy to setup. This ... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/19658255', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2886324/']} | jdg_69927 |
stackexchange | llm_judgeable_groundtruth_similarity | 10628352 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
data Ray = Ray Vector Vector or type Ray = (Vector, Vector) Which is preferred in idiomatic haskell? Why should I use one over the other? I don't care about performance. It s... | The data version is preferred as it more clearly indicates the intent of the programmer — by creating a new type, you are pointing out to all that this is not merely a tuple, but a meaningful semantic entity, a Ray . That then makes it possible to lean on the type system further, with custom instances for Ray , and opt... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/10628352', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/148195/']} | jdg_69928 |
stackexchange | llm_judgeable_groundtruth_similarity | 69040951 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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After migrating my angular 6 project to 12.I am getting multiple warning in terminal if in angular.json i set optimisation: false configuration then all issue get resolved bu... | I was having the same issue, I found out that in my case the assets config on angular.json was the one to blame. Check this piece of code from the configuration: "architect": { "build": { "builder": "ngx-build-plus:build", "options": { "aot": true, "outputPath": "dist", "index": "src/i... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/69040951', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2968851/']} | jdg_69929 |
stackexchange | llm_judgeable_groundtruth_similarity | 6278576 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have a Windows Forms datagridview , where the rows have different background-colors . The problem is, that the background-colors disappear after sorting (click on a row hea... | According to this bug report submitted to Microsoft on June 2005 this is by design for Visual Studio 2005: Thank you for your bug report. The behavior you notice is by design. Sorting a databound grid causes all rows to be recreated (called a ListChangedType.Reset). This causes your formatting to be lost. You need... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/6278576', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/272706/']} | jdg_69930 |
stackexchange | llm_judgeable_groundtruth_similarity | 1809874 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I'm iterating through the fields of a form and for certain fields I want a slightly different layout, requiring altered HTML. To do this accurately, I just need to know the w... | Making a template tag might work? Something like field.field.widget|widget_type Edit from Oli: Good point! I just wrote a filter: from django import templateregister = template.Library()@register.filter('klass')def klass(ob): return ob.__class__.__name__ And now {{ object|klass }} renders correctly. Now I've just go... | {} | {'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/1809874', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/12870/']} | jdg_69931 |
stackexchange | llm_judgeable_groundtruth_similarity | 70403180 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I'd prefer it as a record as there is less boilerplate, but would there be issues? IntelliJ is suggesting that I turn a basic Java class @Service like this: @Servicepublic cl... | You could do that, but records have getters (well without get prefix). Which Service Layer shouldn't have. Your Service Facade exposes public methods which also are usually @Transactional , you don't want to mix them with methods that no one is going to use. Also, records define equals() & hashCode() which aren't neede... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/70403180', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/5921859/']} | jdg_69932 |
stackexchange | llm_judgeable_groundtruth_similarity | 31989883 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
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I have the task of obfuscating passwords in our configuration files. While I don't think this is the right approach, managers disagree... So the project I am working on is ba... | If finally got this to work. (Mainly thanks to stephane-deraco on github ) Key to the solution is a class that implements ApplicationContextInitializer<ConfigurableApplicationContext> . I called it PropertyPasswordDecodingContextInitializer . The main problem was to get spring to use this ApplicationContextInitializer ... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/31989883', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2784766/']} | jdg_69933 |
stackexchange | llm_judgeable_groundtruth_similarity | 433062 |
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would.
Question:
Does there exist a group $G$ such that for any finite $K$ there is a monomorphism $K \to G$ for any $H$ with property 1 there is a monomorphism $G \to H$ If yes, is it the onl... | No. To show that it doesn't exist it is enough to produce two groups $G,H$ which contain isomorphic copies of all finite groups, but such that no group containing isomorphic copies of all finite groups embeds into both $G$ and $H$ . Let $(G_n)$ be an enumeration of all finite groups. Let $G=\bigoplus G_n$ be the restri... | {} | {'log_upvote_score': 7, 'links': ['https://mathoverflow.net/questions/433062', 'https://mathoverflow.net', 'https://mathoverflow.net/users/148161/']} | jdg_69934 |
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Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
Find the number of sequences of length $m$ consisting of only digits, where each digit is in $\{0,1,2\}$ and such that $1$ is never followed immediately by $0$. Attempt:... | HINT: Call such sequence good , and let $a_n$ be the number of good sequences of length $n$. If $\sigma$ is a good sequence of length $n$, we can form $3a_n$ sequences of length $n+1$ by appending a $0,1$, or $2$ to the end of $\sigma$. Every good sequence of length $n+1$ can be obtained in this way, but unfortunately ... | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1930877', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/365295/']} | jdg_69935 |
stackexchange | llm_judgeable_groundtruth_similarity | 25761337 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I tried the following code in Java t1 = 5;t2 = t1 + (++t1);System.out.println (t2); My view is since ++ has a higher precedence than +, the above becomes t2 = t1 + (++t1);t2 ... | You are nearly correct but you are subtly misunderstanding how the precedence rules work. Compare these two cases: int t1 = 5;int t2 = t1 + (++t1);System.out.println (t2);t1 = 5;t2 = (++t1) + t1;System.out.println (t2); The result is: 1112 The precedence does indeed say to evaluate the ++ before the + , but that doesn'... | {} | {'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/25761337', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3989049/']} | jdg_69936 |
stackexchange | llm_judgeable_groundtruth_similarity | 1632168 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
I have to determine whether $x\sin x$ Is a surjective function, in $\Bbb R$. My solution: Let $f(x)=x\sin x$. $f(\frac{\pi}{2})=\frac{\pi}{2}$ $f(-\frac{\pi}{2})=-\frac{... | $$\lim_{n\to \infty }f\left(\frac{\pi}{2}+2n\pi\right)=+\infty \quad \text{and}\quad \lim_{n\to\infty }f\left(-\frac{\pi}{2}-2n\pi\right)=-\infty.$$ Therefore, by intermediate value theorem, it's surjective. | {} | {'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/1632168', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/88027/']} | jdg_69937 |
stackexchange | llm_judgeable_groundtruth_similarity | 121986 |
Below is a question asked on the forum mathematica.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
With lower limit set to 1.97, how to find the value of upper limit of an integral where integrand is (0.37037 E^( x) - x)/(-1 + x) such that f[xu] + the integral... | You can do this using analytical integration like already suggested in the comments. Below is one way to do it. expr = Integrate[(0.37037 E^(x) - x)/(-1 + x), x](*-1. x + 1.00677 ExpIntegralEi[-1. + x] - 1. Log[-1. + x]*)FindRoot[expr - With[{x = 1.97}, Evaluate@expr] + x^2 - 1.0, {x, 1.1}](*{x -> 1.14532}*) EDIT: to m... | {} | {'log_upvote_score': 4, 'links': ['https://mathematica.stackexchange.com/questions/121986', 'https://mathematica.stackexchange.com', 'https://mathematica.stackexchange.com/users/41925/']} | jdg_69938 |
stackexchange | llm_judgeable_groundtruth_similarity | 59222271 |
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would.
Question:
I was reading about the time complexity of set operations in CPython and learned that the in operator for sets has the average time complexity of O(1) and worst case time com... | Load factor is a red herring. In CPython sets (and dicts) automatically resize to keep the load factor under 2/3. There's nothing you can do in Python code to stop that. O(N) behavior can occur when a great many elements have exactly the same hash code. Then they map to the same hash bucket, and set lookup degenerat... | {} | {'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/59222271', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/9835872/']} | jdg_69939 |
stackexchange | llm_judgeable_groundtruth_similarity | 1304513 |
Below is a question asked on the forum math.stackexchange.com. Provide a good and informational response to it like a helpful human would.
Question:
The major "broad/natural" categories I encounter in daily life are: sets, groups, topological spaces, smooth manifolds, vector spaces over a fixed field $k$, $k$-schemes... | As k.stm says in the comments, usually a more general thing is true: these categories $C$ are equipped with forgetful / underlying set functors $U : C \to \text{Set}$ which tend to have a left adjoint, the "free" functor $F : \text{Set} \to C$. Whenever this is true, it follows that $U$ preserves all limits, not just p... | {} | {'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/1304513', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/13120/']} | jdg_69940 |
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