source
string
task_type
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in_source_id
string
instruction_seed
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gold_standard_solution
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stackexchange
llm_judgeable_groundtruth_similarity
8950527
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 have a plain text document, which I want to compile inside LaTeX. However, sometimes it has the characters, "#", "$", "%", "&", and "_". To compile properly in LaTeX, I mus...
You can do the replacement with a single call to sed : sed -i -E 's/([#$%&_\])/\\&/g' file.txt The & in the replacement text fills in for whichever single character is enclosed in parentheses. Note that since \ is the LaTeX escape character, you'll have to escape it as well in the original file.
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8950527', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/834616/']}
jdg_225782
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
21205
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would. Question: Are there nef divisors D on a complex projective manifold X such that $h^0(X,D)$ is less than or equal to $\dim X$? Edit: In fact I'm interested in nef line bundles D, not jus...
Here's an interesting example from complex algebraic surfaces: the so called Godeaux surface. This is a surface, $S$ on which the canonical bundle is $ample$ and yet $h^{0}(S,K_{S})=0$. To construct such an $S$ we start with a quintic, $S'$ in $\mathbb{P}^{3}$ defined by the Fermat form: $X_{0}^{5}+X_{1}^{5}+X_{2}^{5}...
{}
{'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/21205', 'https://mathoverflow.net', 'https://mathoverflow.net/users/-1/']}
jdg_345310
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
86076
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: This question is about asymptotic notation in general. For simplicity I will use examples about big-O notation for function growth as $n\to\infty$ (seen in algorithmic c...
My take on this notation agrees with David Speyer's comment. As Henning's answer notes, our answers are just different ways to look at the same thing. Often I resort to rules similar to his as the operative definition, but I find the my approach easier to motivate. We proceed in two steps: (a.) understanding an express...
{}
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jdg_107917
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
204619
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: First of all I know that Query is a nice way to organize your functions that are applying at specific levels of an expression. But I don't understand the order in...
@Lee's answer shows how to circumvent the problem by using RightComposition ( /* ) instead of Composition ( @* ), but it does not explain why this works. I will try to explain the "Why" in this answer. Let's first look at the original example and see how the order is decided. The following is based on the extensive doc...
{}
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jdg_311204
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4455195
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: When I generate a webservice client using wsdl2java from CXF (which generates something similar to wsimport), via maven, my services starts with codes like this: @WebServiceC...
I finally figured out the right answer to this question today. <plugin> <groupId>org.apache.cxf</groupId> <artifactId>cxf-codegen-plugin</artifactId> <version>${cxf.version}</version> <executions> <execution> <id>generate-sources</id> <phase>generate-sources</phase> <...
{}
{'log_upvote_score': 9, 'links': ['https://Stackoverflow.com/questions/4455195', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/540552/']}
jdg_207606
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
483798
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Any idea if it's possible to create a procedure in another database using T-SQL alone, where the name of the database is not known up front and has to be read from a table? K...
It's a pain, but this is what I do. I took this from an example I found on sqlteam, I think - you might have some quoting issues with the way I did the indiscriminate REPLACE : DECLARE @sql AS varchar(MAX)DECLARE @metasql as varchar(MAX)DECLARE @PrintQuery AS bitDECLARE @ExecQuery AS bitSET @PrintQuery = 1SET @ExecQue...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/483798', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/18128/']}
jdg_304407
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2493724
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 set a DateTime property to the previous day at time 00:00:00. I've tried using DateTime.AddDays(-1) and DateTime.AddTicks(-1) and they aren't working. Is this the r...
DateTime is an immutable struct. When you call AddDays() or AddTicks() it returns a new instance of a DateTime , it does NOT modify the instance you called it on. Make sure you assign the result to a variable or there is no visible change in your code: DateTime d1 = DateTime.Now;d1 = d1.AddDays(-1); // assign back to s...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/2493724', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/200327/']}
jdg_356380
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
75776
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: On the sphere $S^2$, the shortest path between two points is the great circle path. How about $H^2$, the hyperboloid $x^2+y^2-z^2=-1, z\ge 1$, with the Euclidean distanc...
The Euclidean metric in $\mathbb{R}^3$ induces a metric on a hyperboloid, and the shortest path will be shortest with respect to this distance. Standard coordinates on a hyperboloid $z^2 - x^2 - y^2 = 1$ would be $$ x = \sinh(t) \sin \phi \qquad y = \sinh(t) \cos \phi \qquad z = \cosh(t)$$with the interval:$$ \m...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/75776', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/3249/']}
jdg_291483
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
588419
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would. Question: We all know about open resolvers, this question is kind of for the inverse situation. I have a DNS server that is locked down to certain CIDRs acl trusted {[..] options {[..]al...
This isn't a problem you should be trying to solve at the service layer. Don't allow off-net traffic to make inbound requests to your DNS listeners. Perform source address validation of packets generated by your customers (if applicable).This prevents amplification attacks originating from inside of your network. These...
{}
{'log_upvote_score': 4, 'links': ['https://serverfault.com/questions/588419', 'https://serverfault.com', 'https://serverfault.com/users/116435/']}
jdg_304028
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
202226
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 have been monitoring the voltage in my own home (Mexico 120V 60Hz). I have been graphing the values every minute and I'm starting to notice that during the morn...
TL,DR; What you are seeing is primarily the result of reactive load droop sharing, with secondary loading voltage drops in the transformers and lines. When generators run in parallel like they do to supply national grids, there are two mechanisms at play that largely go unnoticed by the local population. Perhaps the mo...
{}
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jdg_244132
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
16994364
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 Wordpress site, I use this get_posts code: get_posts( array ( 'numberposts' => 5, 'orderby'=>'comment_count', 'order'=>'DESC', ...
As of 3.7 you can use date_query https://developer.wordpress.org/reference/classes/wp_query/#date-parameters So it would look like: $args = array( 'posts_per_page' => 5, 'post_type' => 'post', 'orderby' => 'comment_count', 'order' => 'DESC', 'date_query' => array( 'after' => date('Y-m-d', strtotim...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/16994364', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1185126/']}
jdg_262159
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
37452772
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 to understand the right way to use fences when measuring time with RDTSC/RDTSCP. Several questions on SO related to this have already been answered elaborately. I ...
The key point is the adverb locally in the quoted sentence " It does not execute until all prior instructions have completed locally ". I was unable to find a clear definition of "complete locally" the whole set of Intel manual, my speculation is explained below. In order to be completed locally an instruction must hav...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/37452772', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/621136/']}
jdg_361566
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
68335732
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 I have come up with till now is to manually override methods like window.open, window.postMessage and window.onmessage to internally create a bridge within Dart. Is ther...
I setup a test app and confirmed the remember me cookie was not being sent but then I cheated and saw the hint on the Symfony Slack channel. When using the new passport based authentication system you need to use the remember me badge. It's documented here . So update your Authenticator::authenticate method with: ret...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/68335732', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2476004/']}
jdg_326044
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8790311
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 cant figure out what is wrong with my styles. Hope someone could help me with this. Code example: <style type="text/css">.maindiv { overflow:hidden; border:#000 1px soli...
The How http://jsfiddle.net/L9GEa/ The Why One might intuitively assume (as I once did) that the html element already has a determined height, but it does not (at least in this context). Luckily (or by design) this one element has the unique property of it's height being determinable when it is assigned a percentage h...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8790311', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/943381/']}
jdg_370583
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
3247724
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 having trouble finding the integrating factor for turning the below differential equation into an exact one (Tenenbaum and Pollard, exercise 10, problem 6). Any hin...
The given differential equation is not exact and I think you can't find the integrating factor by known way and an easier way, rather you can solve it as follows ${}$ $(x^2-y^2-y)dx - (x^2-y^2-x)dy=0$ $\implies (x^2-y^2)(dx-dy)+xdy-ydx=0$ $\implies (1-\frac{y^2}{x^2})(dx-dy)+\frac{xdy-ydx}{x^2}=0$ $\implies (1-\frac{y^...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3247724', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/247892/']}
jdg_159348
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8683076
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Does anyone know how to check and see if a QMutex is locked, without using the function: bool QMutex::tryLock() The reason I don't want to use tryLock() is because it does tw...
Trying to lock a mutex is by definition the only way to tell if it's locked; otherwise when this imaginary function returned, how would you know if the mutex was still locked? It may have become unlocked while the function was returning; or more importantly, without performing all the cache-flushing and syncronization ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8683076', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/918077/']}
jdg_255263
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
3332370
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 central limit theorem states that, if $X$ is a random variable with finite variance $\sigma^2$ and expected value $\mu$ , and if $(X_n)$ is a sequence of independent...
This counterexample is from the book Limit Distributions for Sums of Independent Random Variables by Gnedenko and Kolmogorov. Let $X$ have density $\begin{cases}0 &\text{if} |x|\geq \frac 1e \\\frac{1}{2|x|\log^2(|x|)} &\text{if} |x|< \frac 1e\end{cases}$ The authors argue that $f_n$ the density of $\sum_{i=1}^n X_i$ v...
{}
{'log_upvote_score': 4, 'links': ['https://math.stackexchange.com/questions/3332370', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/685451/']}
jdg_101449
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
1289220
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 a sack with $15$ red balls , $15$ blue balls , $15$ green balls and $15$ yellow balls (balls of the same color are indistingishable). In how many ways can I take ...
You are asking for an integer partition of $30$ with at most four summands, each at most $15$, i.e.$$\#\{(a,b,c,d)\mid a+b+c+d = 30;~~ a,b,c,d\ge 0;~~ a,b,c,d\le 15\}$$The first two of the conditions can be solved using the stars-and-bars method,$$\#\{(a,b,c,d)\mid a+b+c+d = 30;~~ a,b,c,d \ge 0\} = \binom{33}3$$From th...
{}
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jdg_260257
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
36363
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: Is there a database of organisms which would contain their queriable geographic location? I would need to perform a rather simple query, such as Animals of <Location>...
This is to a large extent a question of how reliable the data in the database needs to be. Reliability (and spatial scale) will differ between datasets and between species groups within datasets, and it is difficult to give a general recommendation. I doubt that you will find a single database with good coverage over a...
{}
{'log_upvote_score': 4, 'links': ['https://biology.stackexchange.com/questions/36363', 'https://biology.stackexchange.com', 'https://biology.stackexchange.com/users/16947/']}
jdg_140573
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
25846306
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 to check if a stored procedure or query is still running in SQL Server? Ideas I've thought of having a log where to write when the procedure starts and delete when it end...
You might query sys.dm_exec_requests which will provide sesion_ID, waittime and futher rows of interest and CROSS APPLY sys.dm_exec_sql_text filtering your query with the SQL for your procedure. Select * from(SELECT * FROM sys.dm_exec_requests where sql_handle is not null) a CROSS APPLY sys.dm_exec_sql_text(a.sql_hand...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/25846306', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1342199/']}
jdg_121799
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
12298541
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: A have a http flood on my server, not so much queries, but anyway. Queries in log 95.55.237.3 - - [06/Sep/2012:14:38:23 +0400] "GET / HTTP/1.0" 200 35551 "-" "Mozilla/5.0 (Wi...
Try adding something like the following directives to your config to prevent http flooding: http { limit_conn_zone $binary_remote_addr zone=conn_limit_per_ip:10m; limit_req_zone $binary_remote_addr zone=req_limit_per_ip:10m rate=5r/s; server { limit_conn conn_limit_per_ip 10; limit_req zone=req_limit_per_ip bu...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/12298541', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/553977/']}
jdg_153825
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
3142713
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've been self-studying from the amazing "Engineering Mathematics" by Stroud and Booth, and am currently learning about algebra, particularly logarithms. There is a ques...
The basic idea behind all basic algebraic manipulations is that you are trying to isolate some variable or expression from the rest of the equation (that is, you are trying to "solve" for $A$ in this equation by putting it on one side of the equality by itself). For this particular example (and indeed, most questions i...
{}
{'log_upvote_score': 6, 'links': ['https://math.stackexchange.com/questions/3142713', 'https://math.stackexchange.com', 'https://math.stackexchange.com/users/97584/']}
jdg_76694
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
54884735
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've found a documentation about how to configure your NginX ingress controller using ConfigMap: https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/con...
I've managed to display what YAML gets executed by Helm using the: --dry-run --debug options at the end of helm install command. Then I've noticed that there controller is executed with the: --configmap={namespace-where-the-nginx-ingress-is-deployed}/{name-of-the-helm-chart}-nginx-ingress-controller .In order to load y...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/54884735', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2263395/']}
jdg_240682
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
49965209
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Is it possible to detect when a Drawer is open so that we can run some routine to update its content? A typical use case I have would be to display the number of followers, l...
This answer is old now. Please see @dees91's answer. Detecting & Running Functions When Drawer Is Opened / Closed Run initState() when open drawer by any action. Run dispose() when close drawer by any action. class MyDrawer extends StatefulWidget { @override _MyDrawerState createState() => _MyDrawerState();}class...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/49965209', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2203672/']}
jdg_165408
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
40924332
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 have a really simple Pandas dataframe where each cell contains a list. I'd like to split each element of the list into it's own column. I can do that by exporting the value...
You can loop through the Series with apply() function and convert each list to a Series , this automatically expand the list as a series in the column direction: df[0].apply(pd.Series)# 0 1 2#0 8 10 12#1 7 9 11 Update : To keep other columns of the data frame, you can concatenate the result with the col...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/40924332', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2242044/']}
jdg_302468
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
40477245
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Basically, I have a react component, its render() function body is as below: (It is my ideal one, which means it currently does not work) render(){ return ( <div> ...
Not exactly like that, but there are workarounds. There's a section in React's docs about conditional rendering that you should take a look. Here's an example of what you could do using inline if-else. render() { const isLoggedIn = this.state.isLoggedIn; return ( <div> {isLoggedIn ? ( <LogoutButton onC...
{}
{'log_upvote_score': 10, 'links': ['https://Stackoverflow.com/questions/40477245', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/4468648/']}
jdg_179152
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
58510287
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 created a new React Native project with --template typescript I deleted the template directory which came as part of the boilerplate. I then proceeded to add ESLint: module...
Different lint rules for JavaScript and TypeScript files The problem happens for one of the reasons below: You're using a rule which require type information and didn't specifya parserOptions.project ; You specified parserOptions.project , didn't specify createDefaultProgram ( it will be removed in a future version ), ...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/58510287', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2026768/']}
jdg_141434
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
65253665
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: When I use class component, I have code: setTimeout(() => console.log(this.state.count), 5000); When I use hook: const [count, setCount] = useState(0);setTimeout(() => consol...
Updated Version: Question: Difference in behavior of a React State variable inside setTimeout / setInterval for function and class components? Case 1 : State variable in function component (stale closure): const [value, setValue] = useState(0)useEffect(() => { const id = setInterval(() => { // It will always print ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/65253665', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/14705483/']}
jdg_199451
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
13739990
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 switched to v2 of Maps for Android, and I am trying to port over the following functionality: With MyLocationOverlay I can show the devices current location (Blue Dot). Whe...
You need to add a LocationSource to your GoogleMap and respond to onLocationChanged events. Here is a simple class that asks for the user's location, then waits until the user's location is available and animates the map to center on their location. public class MyLocationMapFragmentActivity extends FragmentActivity i...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/13739990', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/316597/']}
jdg_289089
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
17809912
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 wlan manager script to handle open/ad-hoc/wep/wpa2 networks. Now im trying to parse iw wlan0 scan output to get nice scan feature to my script. My goal is to get outp...
Here is my final solution based of Sudo_O answer : $1 == "BSS" { MAC = $2 wifi[MAC]["enc"] = "Open"}$1 == "SSID:" { wifi[MAC]["SSID"] = $2}$1 == "freq:" { wifi[MAC]["freq"] = $NF}$1 == "signal:" { wifi[MAC]["sig"] = $2 " " $3}$1 == "WPA:" { wifi[MAC]["enc"] = "WPA"}$1 == "WEP:" { wifi[MAC]["enc"] =...
{}
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jdg_199707
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
16451183
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: My NuGet server is throwing a 405 Not Allowed when I try to make a push. At least, thats what NuGet console says: Failed to process request. 'Method Not Allowed'.The remote s...
After a few hours working on the issue I was able to find the problem. When you LIST packages in NuGet server you point to http://nugetserver.com/ nuget . However when you are trying to PUSH or DELETE a package you need to point to http://nugetserver.com without the nuget folder in the path. What happens is that NuGet....
{}
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jdg_207901
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
108954
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 was studying pn junctions and came across the concepts of diffusion currents. From what I understand is, when the junctions come together, since there is an exc...
In hole movement, the particles that are moving are still electrons. When an electron moves to the conduction band (i.e. at any temp above 0 K), there is an empty state that is created in the valence band that was originally occupied by the electron. This empty state is the hole. If another electron from the valence ba...
{}
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jdg_317599
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
10803489
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 have an SQL query as below. Select * from table where name like '%' + search_criteria + '%' If search_criteria = 'abc', it will return data containing xxxabcxxxx which is f...
If you want a % symbol in search_criteria to be treated as a literal character rather than as a wildcard, escape it to [%] ... where name like '%' + replace(search_criteria, '%', '[%]') + '%'
{}
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jdg_174829
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
16548861
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 created an Excel .xlsm file with a bunch of functionality in some VBA Modules/Classes and now I've decided to separate out the code because it will be shared across 4 diffe...
After spending hours searching for an answer and trying various methods such as adding a digital signature to the vba_code.xlsm file and trying to programmatically add the reference on Workbook_open I found a forum post describing the problem: My siteXYZ.xlsm file had no VBA code or macros defined within it so Excel re...
{}
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jdg_244973
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
22392463
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 am getting Length of the data to decrypt is invalid exception without any real reason using this code /// <summary>/// Extension generic method that encrypts a byte[] using...
The technical answer to your question is that it depends entirely on the property itself. But generally, yes, whitespace is used to separate different components of a property value in CSS. As you've seen in the font-family property however, the value that it takes is a comma-separated list of fonts (commonly called a ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/22392463', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1563548/']}
jdg_230088
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
17866724
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 have a long python script that uses print statements often, I was wondering if it was possible to add some code that would log all of the print statements into a text file ...
You can add this to your script: import syssys.stdout = open('logfile', 'w') This will make the print statements write to logfile . If you want the option of printing to stdout and a file, you can try this: class Tee(object): def __init__(self, *files): self.files = files def write(self, obj): for f...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/17866724', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1464660/']}
jdg_300151
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
257476
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: In order to get dark energy to dominate, wouldn't you first need another form of energy to push the expansion until dark energy could dominate? Otherwise I don't unde...
The title and the text actually ask two different questions. While Kyle Oman and Thriveth answer the title excellently, I'll address the question in the text which asks " Why did the Universe expand in the first place, before dark energy (DE) started to dominate ". The answer to this is inflation (we think). The first ...
{}
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jdg_177695
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
32894426
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 have a string which contains this text: <!DOCTYPE html><html><head> <title>ExtractDiv test</title></head><body> <p>Apples and oranges</p> <div id="main"> <u...
You can parse an HTML string with the native DOMParser : var str = "<!DOCTYPE……………" // your HTML stringvar doc = new DOMParser().parseFromString(str, "text/html") Then just use regular DOM methods: console.log( doc.getElementById("main") ) Note that using a DOMParser is more efficient and safer than inserting the strin...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/32894426', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1580348/']}
jdg_169291
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
14885315
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 find a class' name when reading through a .java file. I'm returning no match right now using this regular expression: \\s*[public][private]\\s*class\\s*(\\w*)\\s*\\...
[public] is not matching what you think it should. It is a character class, which matches either of those characters in public . You should use pipe to match alternate words. You can use following regex, extended to consider super classes or interface: - Pattern.compile("\\s*(public|private)\\s+class\\s+(\\w+)\\s+((ext...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/14885315', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1031598/']}
jdg_166111
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
186538
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: Suppose I have a notebook filled with many chapters, sections, subsections, subsubsections and so on. Instead of changing the style of each of them manually, is t...
Here's an overkill, but very clean answer: withHiddenChanges[nb_, expr_] := Internal`WithLocalSettings[ FrontEndExecute@FrontEnd`NotebookSuspendScreenUpdates[nb], expr, FrontEndExecute@FrontEnd`NotebookResumeScreenUpdates[nb] ];withHiddenChanges~SetAttributes~HoldRest;modifySingleCellStyle[cell_, fn_] := With...
{}
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jdg_272553
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
250679
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 currently using Magpie RSS but it sometimes falls over when the RSS or Atom feed isn't well formed. Are there any other options for parsing RSS and Atom feeds with PHP? ...
I've always used the SimpleXML functions built in to PHP to parse XML documents. It's one of the few generic parsers out there that has an intuitive structure to it, which makes it extremely easy to build a meaningful class for something specific like an RSS feed. Additionally, it will detect XML warnings and errors, a...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/250679', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/25343/']}
jdg_366445
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
474013
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'm working through Axler's "Linear Algebra Done Right". On page 15, it gives this example: Consider the vector space $P(F)$ of all polynomials with coefficients in $F$ ...
There are many versions of the strong law of large numbers for sequences of random variables that are independent but not identically distributed. One version is listed on Wikipedia as "Kolmogorov's strong law": If $Y_k$ are independent and $\sum_k \frac{1}{k^2} \operatorname{Var}(Y_k) < \infty$, then $\bar{Y}_n - E \b...
{}
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jdg_139803
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8922608
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Is there a possible way to write a whole NDK app with C/C++ without a Java "starter" class like in hello-jni sample project (HelloJni.java) - somehow create a HelloJni.c whic...
Since Android 2.3 (API Level 9) there is the NativeActivity which allows one to code an Android app in C++ only. There is also an example for this in the NDK package. A quote from the NDK Overview : When to Develop in Native Code The NDK will not benefit most applications. As a developer, you need to balance its benef...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8922608', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1039175/']}
jdg_197586
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
6415037
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 are several examples of how to populate a tree view from a collection of file paths such as this or this other example. I cannot seem to find such example for WPF. I kn...
I was intrigued by the question and threw this together. As a first pass I think I'm pretty close to what you're looking for. Talking about 50,000 items though makes me think that lazy loading may be appropriate. Anyway, here is the simple version based on an article by Josh Smith. I put all of the code here, but t...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/6415037', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/637142/']}
jdg_261696
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
988557
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 need to show that: If $X$ is locally compact, second countable and Hausdorff, then $X^*$ is metrizable and hence $X$ is metrizable. I have already showed that every lo...
Since $X$ is second countable, all you need for $X^*$ to be second countable is a countable neighborhood base for the point at infinity, right? Since $X$ is locally compact and second countable, you can cover $X$ with countably many open sets whose closures are compact. Then every compact subset of $X$ is contained in ...
{}
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jdg_249399
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
12938189
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 am trying to use svn2git to migrate a SVN project to git. However I have problems preserving all the history. The reasons seems to be because the trunk was moved in the pas...
I just had the same problem myself. Here is how I solved it. Clone both repos separately. git svn clone -s [original-svn-location] [original-clone-directory]git svn clone -s [new-svn-location] [new-clone-directory] Add the old cloned data to the new repo. cd [new-clone-directory]git remote add oldstuff ../[original-clo...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12938189', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/66634/']}
jdg_173344
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
12910198
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 have a catalog with near 90000 products. I need to retrieve all the products sku that have no image associated. With a sql query I can get the id list of all the products w...
Currently you are loading a lot of not needed product data and this causes a fatal error. In your case you need only product sku. I am suggestion to use Magento collections. I guess, that the following code snippet will work for you: $productsCollection = Mage::getModel('catalog/product') ->getCollec...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12910198', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/876161/']}
jdg_162655
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
53261613
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 have got an array of days: let days = [ 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday' ] Obviously the keys above are from 0 - 6. I use these ...
You are mixing the java driver Aggregates method with Spring Aggregation methods. Also $addFields is still not supported in spring mongo. You have to use below aggregation. import static org.springframework.data.mongodb.core.aggregation.Aggregation.*;Aggregation myDocAggr = newAggregation( match(Criteria.where("m...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/53261613', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2630509/']}
jdg_376234
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
64544956
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Via IEF Custom Policy, Claims Provider -> "OpenIdConnect" Technical Profile's Metadata is pointing to a 3rd party IDP's OIDC Metadata endpoint. When running the policy, Azure...
As an intermediate solution you could re-factor your polymorphic equality operator== to a non-virtual operator== defined in the base class, which polymorphically dispatches to a non-operator virtual member function: struct Identifier { bool operator==(const Identifier& other) const { return isEqual(other)...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/64544956', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/343347/']}
jdg_121328
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
38917530
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 select last li that doesn't have the .hidden class? I have HTML and CSS like this: ul li:last-child:not(:first-child):not(.hidden) button { background-color: red;}...
At the current moment, there is no CSS way of being able to find an element that is then followed by another specific element. Possibly soon, there will be the CSS Relational Pseudo-class :has() which will make what you want possible. This is currently in the CSS Selectors Level 4 Draft and looks unlikely to be rolled ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/38917530', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/387194/']}
jdg_338284
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
1040600
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 someone please give me a graphical interpretation/sense of infinite power series? Some functions such as exponentials, sines, and cosines are infinite power series, ...
The Taylor series (about $x=0$) for $\sin x$ is $$\sin x=\sum_{n=0}^\infty {(-1)^n x^{2n+1}\over (2n+1)!}.$$Here's what the sequence of partial sums (blue)$$S_N(x)=\sum_{n=0}^N {(-1)^n x^{2n+1}\over (2n+1)!}$$looks like as $N$ varies (here from $0$ to $12$) along with $y=\sin x$ (red): The idea is as we add more and mo...
{}
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jdg_373696
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4672082
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: How can i install Apache web server and Apache tomcat to avoid get errors like this: java.io.FileNotFoundException: /usr/local/apache-tomcat-7.0.5/work/Catalina/localhost/_/S...
$ chmod -R 777 webapps temp logs work conf Is VERY dangerous, do not do it, did I write "not do it" ? DO NOT DO IT! Guess where your tomcat-users.xml is with your usernames and plain-text passwords ? Giving world read-write-execute anywhere on UNIX except /tmp (and even then, in prod, NEVER do that either) is plain stu...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/4672082', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/523864/']}
jdg_273524
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
310391
Below is a question asked on the forum physics.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: One of the basic ingredients of quantum mechanics is the possibility of working in different "pictures". Thus, while we normally work in the Schrödinger picture , in ...
To answer this, you need a bit of language. The fundamental observables of quantum mechanics are neither of states or operators; instead, the fundamental observables are matrix elements, of the form$$\langle\varphi |A|\psi\rangle.$$In the most general case, you might have temporal dependence in the states, of the form ...
{}
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jdg_242845
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
167432
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: As it is true that we can construct all rational numbers $\Bbb Q$ from the set of integers $\Bbb Z$, is it possible to construct the set of real numbers $\Bbb R$ from $\...
Consider the following set of rational numbers: $S =\{x \in \Bbb{Q}:x < 0, \text{ or } x^2 < 2\}$ This set is clearly bounded above, for example, $2$ is an upper bound. The thing is, the set has no rational least upper bound. In fact, it seems like we can get quite a good idea of "how big" such a least upper bound woul...
{}
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jdg_250631
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4492535
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'd like to profile a method of a function in Python, using cProfile. I tried the following: import cProfile as profile# Inside the class method...profile.run("self.myMethod(...
EDIT: Sorry, didn't realise that the profile call was in a class method. run just tries to exec the string you pass it. If self isn't bound to anything in the scope of the profiler you are using, you can't use it in run ! Use the runctx method to pass in the local and global variables in the scope of the call to the pr...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4492535', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/-1/']}
jdg_286644
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
263832
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would. Question: What is your favourite example of Gerbes ? I would like to know Where do we find Gerbes in "nature"? The examples could vary from String theory to Galois theory. For example m...
At least when the group $G$ is discrete, and when the base is a topological space (as opposed to e.g. a scheme), I would like to advertise the fact that: a $G$-gerbe is the same thing as a fibration whose fiber is $BG$ (the latter is the classifying space of $G$, also known as $K(G,1)$). As an example, by taking $G=\ma...
{}
{'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/263832', 'https://mathoverflow.net', 'https://mathoverflow.net/users/83957/']}
jdg_106870
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
15810
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 want to add NFC (Near Field Communication) to a cheap consumer product with an existing microcontroller. I need to be able to pass a chunk of static data to a s...
Pretty much your only option are NXP chips such as the PN531 (old), PN532, and PN544. The PN544 is the one in Samsung's Nexus S phone. Most NFC cards these days are MiFare-base and since NXP owns the MiFare IP (and doesn't license it to anyone else) their chips are pretty much the only ones around.I'm working with the ...
{}
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jdg_98481
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4490140
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 to speed up my benchmark (3 tier web architecture), and I have some general questions related to Memcache(d) and Varnish. What is the difference? It seems to me th...
Varnish is in front of the webserver; it works as a reverse http proxy that caches. You can use both. Mostly write -- Varnish will need to have affected pages purged. This will result in an overhead and little benefit for modified pages. Mostly read -- Varnish will probably cover most of it. Similar read & write -- Var...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/4490140', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/449219/']}
jdg_162319
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
39378643
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Angular 2 rc 6 , typescript 2 , node 4.5.0 , npm 2.15.9 on Windows 7 I'm trying to move from Just-in-Time to Ahead-of-Time compilation and I'm relying on these resources: Ang...
For a given component all its members (methods, properties) accessed by its template must be public in the ahead-of-time compilation scenario. This is due to the fact that a template is turned into a TS class. A generated class and a component are 2 separate classes now and you can't access private members cross-class....
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/39378643', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3977061/']}
jdg_259464
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
199995
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: I have tried to compute light's lateral shift after passing through a glass slab In terms of the incidence angle $\theta_1$, the slab thickness $d$ and the refraction...
I get a different formula. Let me show you how I derived it. Using the following diagram: We can write the following equations by looking at triangles: $$\begin{align}\frac{x}{L} &= \sin(\theta_1-\theta_2)\\&=\sin\theta_1 \cos\theta_2 - \cos\theta_1\sin\theta_2\\\frac{d}{L}&=\cos\theta_2\end{align}$$ Assuming that the ...
{}
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jdg_357454
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8420143
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 running the following python script: #!/usr/bin/pythonimport os,sysfrom scipy import statsimport numpy as npf=open('data2.txt', 'r').readlines()N=len(f)-1for i in range(0...
Obviously some of your lines don't have valid float data, specifically some line have text id which can't be converted to float. When you try it in interactive prompt you are trying only first line, so best way is to print the line where you are getting this error and you will know the wrong line e.g. #!/usr/bin/python...
{}
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jdg_123429
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
7639637
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Of course I realize that there's no one "right way" to design a SQL database, but I wanted to get some opinions on what is better or worse in my particular scenario. Currentl...
You're on the right track by breaking address out into its own table. I'd add a couple of additional suggestions. Consider taking the Address FK columns out of the Customers/Orders tables and creating junction tables instead. In other words, treat Customers/Addresses and Orders/Addresses as many-to-many relationships i...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/7639637', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/961222/']}
jdg_96384
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
20175248
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 found the following EBNF on wikipedia, describing EBNF: letter = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "...
The quoted Wikipedia extract is not a correct EBNF grammar for EBNF. It's also not left-parseable: indeed, it is ambiguous, so it's not unambiguously parseable at all. In general, the terms LL(k) and LR(k) (and many other such terms) apply to Context-Free Grammars (CFGs) (and, by extension, the languages generated by t...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/20175248', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1768238/']}
jdg_257438
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2967858
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 am using scipy-cluster to generate a hierarchical clustering on some data. As a final step of the application, I call the dendrogram function to plot the clustering. I am r...
I had the same issue on Ubuntu 10.04. In order to get graphics to display from ipython interactive console, start it with "-pylab" switch, which enables the interactive use of matplotlib: ipython -pylab To get your graphics to display during the execution of a standalone script, use matplotlib.pyplot.show call. Here's ...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2967858', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/160206/']}
jdg_271715
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
347077
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 am learning to use an FPGA (Papilio development board,which has a xilinx spartan3e, using vhdl). I need to divide an incoming pulse by a (hard coded) number. I ...
Optimizing to this level will break your heart. The result could change because of the technology of the FPGA you're using, other factors in the FPGA, but also because of factors outside of your control, including the fitter's random number seed. Having said that, I believe that option 3 will be the best. Options 1 and...
{}
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jdg_248463
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
12802588
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 need to remove a control (a textbox) from my page when a certain condition is verified.Is it possible to do from code-behind or I need to use JavaScript. NOTE I need to rem...
Use Controls.Remove or Controls.RemoveAt on the parent ControlCollection . For example, if you want to remove all TextBoxes from the page's top: var allTextBoxes = Page.Controls.OfType<TextBox>().ToList();foreach(TextBox txt in allTextBoxes) Page.Controls.Remove(txt); (note that you need to add using System.Linq for...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/12802588', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1061499/']}
jdg_301495
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
71618
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: A scammer got a hollow gold bar and fills it with a combination of lead and air, with the same average density as gold. What's the simplest way of discovering the fra...
Send an ultrasonic pulse through the gold bar and analyse the returning wave. This technique is actually used to detect impurities in gold bars. To quote this article : Where the wave encounters a region of material with different physical properties – particularly the density and elastic constants – to the rest of the...
{}
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jdg_167726
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
5398336
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: The problem with the code is, when I try to generate a number, if the spin is equal 1 it generates values inside range (1,2,3) if if try to use the loop to sum random values ...
You are probably creating a new Random object inside RandomNumber method. The default constructor for Random uses the system time as a seed. If you create multiple Random objects in a tight loop the time probably won't have changed between each call so they will all be initialized with the same seed. To fix your code y...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/5398336', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/672056/']}
jdg_368100
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
17126037
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 have a temporary file with some content and a python script generating some output to this file. I want this to repeat N times, so I need to reuse that file (actually array...
How to delete only the content of file in python There are several ways of setting the logical size of a file to 0, depending how you access that file: To empty an open file: def deleteContent(pfile): pfile.seek(0) pfile.truncate() To empty an open file whose file descriptor is known: def deleteContent(fd): os...
{}
{'log_upvote_score': 7, 'links': ['https://Stackoverflow.com/questions/17126037', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2428361/']}
jdg_197842
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
15918336
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Hy all, It's probably something verry simples and stupid, but i don't see it... I've got an menu that slides in and out. I've got 2 images ( 1 on the left, other on the right...
If i have file abc.jpg on the sdcard then: String photoPath = Environment.getExternalStorageDirectory() + "/abc.jpg"; and to get bitmap . BitmapFactory.Options options = new BitmapFactory.Options();options.inPreferredConfig = Bitmap.Config.ARGB_8888;Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options); or Bitma...
{}
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jdg_78223
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
365427
Below is a question asked on the forum softwareengineering.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: I can see several post where importance of handling exception at central location or at process boundary been emphasized as a good practice rather than li...
The problem isn't the local catch block, the problem is the log and rethrow . Either handle the exception or wrap it with a new exception that adds additional context and throw that. Otherwise you will run into several duplicate log entries for the same exception. The idea here is to enhance the ability to debug your...
{}
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jdg_173765
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
329931
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would. Question: Is there an embedding (i.e. injective continuous map) $$\phi:\Bbb R \Bbb P^2\hookrightarrow S^4\subseteq\Bbb R^5$$ of the projective plane $\Bbb R\Bbb P^2$ into the $4$ -sphe...
Yes. You take each vector $v \in \mathbb{R}^3$ to the vector $v \cdot v \in \operatorname{Sym}^2\mathbb{R}^3=\mathbb{R}^6$ . This takes each unit vector $v$ to the same place as $-v$ . So it descends to $S^2/\pm 1=\mathbb{RP}^2$ . If we identify each element of $\operatorname{Sym}^2\mathbb{R}^3$ with a symmetric matrix...
{}
{'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/329931', 'https://mathoverflow.net', 'https://mathoverflow.net/users/108884/']}
jdg_76380
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
38505830
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 implemented an HTTP server in Go. For each request, I need to create hundreds of objects for a particular struct, and I have ~10 structs like that. So after the request is ...
Note beforehand: Many suggest to use sync.Pool which is a fast, good implementation for temporary objects. But note that sync.Pool does not guarantee that pooled objects are retained. Quoting from its doc: Any item stored in the Pool may be removed automatically at any time without notification . If the Pool holds the ...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/38505830', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1465334/']}
jdg_111414
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
182518
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would. Question: The change-making problem asks how to make a certain sum of money using the fewest coins. With US coins {1, 5, 10, 25} , the greedy algorithm of selecting the largest coin at ...
That's a different question, Gerry. Believe it or not, the answers are different if one is asking (a) given N and a system of denominations D, is the greedy algorithm using D optimal for N?and(b) given a system of denominations D, is the greedy algorithm using D optimal for ALL N? I think the latter problem is the one ...
{}
{'log_upvote_score': 5, 'links': ['https://mathoverflow.net/questions/182518', 'https://mathoverflow.net', 'https://mathoverflow.net/users/59026/']}
jdg_253459
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
41546983
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 am building an android app which is using RecyclerView . I want to add dividers to RecyclerView , which I did using this code: DividerItemDecoration dividerItemDecoration =...
I think the most straightforward solution is to use the setDrawable method on the Decoration object and pass it an inset drawable with the inset values you want for the margins. Like so: int[] ATTRS = new int[]{android.R.attr.listDivider};TypedArray a = context.obtainStyledAttributes(ATTRS);Drawable divider = a.getDraw...
{}
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jdg_333934
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
397639
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 continuous time martingale $X_t$ not a.s. constant in $t$ that is almost surely everywhere differentiable? Now provide the response and nothing else.
The answer is no. Indeed, if a martingale is a.s. everywhere differentiable, then its quadratic variation is a.s $0$ . So, by the Burkholder--Davis--Gundy inequality , the martingale is a.s. constant. Details: Suppose that $X:=(X_t)_{t\in[0,1]}$ is an almost surely (a.s.) everywhere differentiable martingale. Replacing...
{}
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jdg_93396
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
48119378
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 read several tutorials how to place 3d objects in SceneKit/ARKit applications and all of them uses .scn format files for the objects. But I found there is no any issues if ...
DAE (Digital Asset Exchange, aka Collada) is a vendor-neutral format for 3D assets. It supports a wide range of features that exist in multiple 3D authoring and presentation tools, but not every possible feature in SceneKit. Historically, it was the only asset format for early versions of SceneKit. SCN format is a seri...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/48119378', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1645068/']}
jdg_374343
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
493190
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: In the first chapter, while talking about how Aristotle was able to conclude that the Earth is spherical, Hawking says that had the Earth been a flat disk the shadow ...
So to have a lunar eclipse you first need to have the Earth directly between the Sun and the Moon -- in other words you need to have a full moon as seen from Earth. Here is a rough diagram of what a full moon might look like when seen from a disk Earth. I have drawn a disk of land and oceans and another disk of atmosph...
{}
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jdg_130066
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
716970
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 looks like it should be possible with the following: .verticalText { /* IE-only DX filter */ writing-mode: tb-rl; filter: flipv fliph; /* Safari/C...
‘transform’ alters the orientation of the entire element you declare it on, not the text content inside it. It's more like IE's ‘matrix’ property than ‘writing-mode’. Crucially, transforming an element doesn't change how its content size is calculated (or how its parent's layout is affected by that size). CSS's algorit...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/716970', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/905/']}
jdg_127779
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
4025288
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 put together a download script after some wonderful help from stack overflow the other day. However I have now found that after the file has been downloaded I need to reloa...
When you send back a file for the user to download, that is the HTTP request. In other words, you can either have a post-back which refreshes the browser page or you can send a file for the user to download. You cannot do both without special tricks. This is why most sites when you download a file, it first takes you...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/4025288', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/361580/']}
jdg_283776
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
29589753
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 what official docs said updateIn(keyPath: Array<any>, updater: (value: any) => any): List<T>updateIn(keyPath: Array<any>, notSetValue: any, updater: (value: any) => a...
The most appropriate case is to use both findIndex and update methods. list = list.update( list.findIndex(function(item) { return item.get("name") === "third"; }), function(item) { return item.set("count", 4); }); P.S. It's not always possible to use Maps. E.g. if names are not unique and I want to update al...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/29589753', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1146469/']}
jdg_191263
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
23737543
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 difference between static Func<int> Natural(){ int seed = 0; return () => seed++; // Returns a closure} and static Func<int> Natural(){ return() => { int seed = ...
The difference is that in the first version, you're declaring a variable and then capturing the variable in the lambda expression. The variable itself "survives" across multiple invocations of the delegate. In the second example, you're declaring a variable inside the lambda expression, so every time the delegate is ex...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/23737543', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/3627736/']}
jdg_352355
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
8089940
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Are there better ways to apply string operations to ndarray s rather than iterating over them? I would like to use a "vectorized" operation, but I can only think of using map...
Update: See Larsman's answer to this question: Numpy recently added a numpy.char module for basic string operations. Short answer: Numpy doesn't provide vectorized string operations. The idiomatic way is to do something like (where Arr is your numpy array): print '.'.join(item.upper() for item in Arr['strings']) Long a...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/8089940', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/143476/']}
jdg_326243
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
26747455
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 does this command do? exec bash -l I found this command as part of a reminder text file were I wrote some instructions regarding how to create a ssh key and clone a git ...
exec executes a specified command, replacing the current process rather than starting a new subprocess. If you type bash -l at a shell prompt, it will invoke a new shell process (the -l makes it a login shell). If you exit that shell process, you'll be back to your original shell process. Typing exec bash -l means that...
{}
{'log_upvote_score': 6, 'links': ['https://Stackoverflow.com/questions/26747455', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/2078678/']}
jdg_345178
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2541244
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 to process this array, first testing for the presence of a check, then extrapolating the data from quantity to return a valid price. Here's the input for fixed amo...
Yes, there are a few vulnerabilities in this code. This could potentially be a problem: define ( 'QUERY_SCRIPT', basename ($ _SERVER [ 'PHP_SELF'])); PHP_SELF is bad because an attacker can control this variable. For instance try printing PHP_SELF when you access the script with this url: http://localhost/index.php/te...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/2541244', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/60318/']}
jdg_161697
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
809581
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: Is it true that $f(x)=x^p-x+a\in K[x]$ is irreducible for nonzero $a\in K$ a field of characteristic $p$ prime? I've seen variants of this question around, but they don'...
Let $K$ be any field of characteristic $p$ with more than $p$ elements. Then $x^p-x$ has only the $p$ elements of the prime field as roots. Pick $b$ not in the prime field and let $a=-(b^p-b)$. Then $x^p-x+a$ has $b$ as root (and $b+k$ for $k$ in the prime field).
{}
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jdg_152258
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
11441510
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 have a Fatal Exception: AsyncTask #1 in the following part, but dont know why. /** * getting Charts from URL * */ protected String doInBackground(String... args)...
That works, bit it will mean that you can't override the name anywhere in the specs, because the after build hook will always run and overwrite any name. The reason your original example doesn't work is that you're invoking the sequence when the factory is defined, rather than when the factory is run. You can provide a...
{}
{'log_upvote_score': 5, 'links': ['https://Stackoverflow.com/questions/11441510', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1519040/']}
jdg_256295
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
616093
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: Why is every prime (>3) representable as $6k\pm1$? Afterall, by putting values of k, we don't just get primes but also composites. Then why not $2k+1$ or $3k+2$ or $4k+1...
The proposition you're mentioning is this: If $n \ne 2, 3$ is prime, then there is an integer $k$ such that $n = 6k - 1$ or $n = 6k + 1$. This is true by showing that all numbers of other forms are not prime: $$6k = 6 \cdot k$$$$6k + 2 = 2(3k + 1)$$$$6k + 3 = 3(2k + 1)$$$$6k + 4 = 2(3k + 2)$$It does not say that every ...
{}
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jdg_183282
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2934904
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: If we have three functions (foo, bar, and baz) that are composed like so... foo(bar(), baz()) Is there any guarantee by the C++ standard that bar will be evaluated before baz...
No, there's no such guarantee. It's unspecified according to the C++ standard. Bjarne Stroustrup also says it explicitly in "The C++ Programming Language" 3rd edition section 6.2.2, with some reasoning: Better code can be generated in the absence of restrictions on expression evaluation order Although technically thi...
{}
{'log_upvote_score': 8, 'links': ['https://Stackoverflow.com/questions/2934904', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/105760/']}
jdg_150645
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
13636790
Below is a question asked on the forum Stackoverflow.com. Provide a good and informational response to it like a helpful human would. Question: Facebook made a big announcement today -- HHVM is replacing the original hiphop compiler . The old HipHop had limited support for extensions -- including, IIRC, no postgres s...
In the year since I originally answered this question, things have changed dramatically. HHVM now publishes an extension list . While they don't yet build in support for ext/pgsql , they point to a this third party extension that implements ext/pgsql and provides Postgres support for PDO. They now also publish docume...
{}
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jdg_264474
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
491314
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 have seen back to back diodes and TVS diode (no both at the same time) used for protection in current transformers. In my case, I have a CT signal with a DC off...
CMOS drivers have an inherent current limit set by the drain-source ‘on’ resistance of the output driver FETs, Rds(on). You can infer this from the datasheet based on Vo(h) and Vo(l) for a given output current. As an example, the PIC32 datasheet list Vo(l) as 0.36V at 6mA, which corresponds to an Rds(on) 60 ohms. That'...
{}
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jdg_128325
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
701223
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 am trying to convert a generic collection (List) to a DataTable. I found the following code to help me do this: // Sorry about indentationpublic class CollectionHelper{priv...
Then presumably you'll need to lift them to the non-nullable form, using Nullable.GetUnderlyingType , and perhaps change a few null values to DbNull.Value ... Change the assignment to be: row[prop.Name] = prop.GetValue(item) ?? DBNull.Value; and when adding the columns to be: table.Columns.Add(prop.Name, Nullable.GetUn...
{}
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jdg_138857
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
6162046
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 am attempting to enumerate connected portable devices on Windows using the Windows Portable Devices API and the PortableDeviceManager provided by this API. I have implement...
Jaran, Take a look at the following post by the WPD team, it mentions how you can fix the interop assembly. http://blogs.msdn.com/b/dimeby8/archive/2006/12/05/enumerating-wpd-devices-in-c.aspx Just to be complete, I'll mention the answer here as well: This is due to a marshalling restriction. This sample code will only...
{}
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jdg_136838
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
31608902
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 difference between the Strategy pattern and Polymorphism in Java? I'm confused that whatever is achieved via Strategy Pattern is basically possible by polymorphi...
For me, the link from CKing post and the example in Wikipedia are clear enough, but I'll try to give you a new example. As they said, Strategy Pattern is mostly a way to change the behaviour of an algorithm at runtime . Of course you can achieve this in many different ways (such as holding a value and using switch-case...
{}
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jdg_297174
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
186280
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 be any countable! set and and let F be the cofinite set, i.e., $A \in F $ if A or $A^{c}$ is finite (this is an algebra). Then show that the set function $\mu: F ...
If there is at least one infinite $A_i$ then it is the only one: Let $j \neq i$, then since $A_i \cap A_j = \emptyset$ we have $A_j \subseteq A_i^C$, so $A_j$ is finite. Hence in the sum$\sum_i \mu(A_i)$ there is exactly one $1$, giving $$\sum_i \mu(A_i) = \mu\left(\bigcup_i A_i\right) = 1.$$
{}
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jdg_83418
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
26410420
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 to filter an array according to one of it's string fields. Both nameLower and filterLower has NSString value inside, and yet i keep getting: __NSCFString containsS...
If you want your code to work on iOS 7 as well as iOS 8 you should use one of the rangeOfString calls instead. Basically if the range returned has a length of zero, the substring is not there. /* These methods return length==0 if the target string is not found. So, to check for containment: ([str rangeOfString:@"targe...
{}
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jdg_166858
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
64883
Below is a question asked on the forum mathoverflow.net. Provide a good and informational response to it like a helpful human would. Question: This question is not very precise; I hope it is suitable for the site. I have come to a situation where I have to study rational points on an elliptic curve defined over $\mat...
Mazur's theorem ensures that there are exactly 15 possible cases for the torsion part of the Mordell-Weil group of an elliptic curve: the cyclic groups $\mathbb{Z}_n$ (with $1\leq n\leq 10$ or $n=12$) and the groups $\mathbb{Z}_2\times\mathbb{Z}_n$ for $n=2,4,6,8$. In his paper Universal Bounds on The Torsion of E...
{}
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jdg_209166
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
16102
Below is a question asked on the forum politics.stackexchange.com. Provide a good and informational response to it like a helpful human would. Question: From what I understand, Trump is an isolationist / non-interventionist, at least more so than previous presidents. On the other hand, Trump wants to massively increa...
Bottom Line Upfront: If you don't allow the military to plan for maintenance, but keep them working, then it will cost more to fix them when you start giving them money. Part of it is most certainly about pandering to his base. 67% of Republicans believe too little is spent on defense . Though, there is room for univer...
{}
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jdg_139396
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
2998398
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 have available an array of dictionary that contains NSDate and NSNumber values. I wanted to plot date on X axis.For plotting I need to supply xRanges to plot with some deci...
Here you go, DatePlot working on iOS. Don't forget to check it as correct. - (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view from its nib. // If you make sure your dates are calculated at noon, you shouldn't have to // worry about daylight savings. If you use midni...
{}
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jdg_222758
PrimeIntellect/stackexchange-question-answering
stackexchange
llm_judgeable_groundtruth_similarity
846213
Below is a question asked on the forum serverfault.com. Provide a good and informational response to it like a helpful human would. Question: I want to offline migrate the KVM guest e-devel to another centos73 host using virsh . So I do # virsh -d 0 migrate --offline --persistent e-devel qemu+ssh://kvm2/systemmigrate...
The message <domain> trying as domain NAME just means that the code is trying to lookup the guest based on its name (as opposed to UUID or ID). IOW, it is normal to see that here, no sign of problem. The offline migrate facility doesn't really do anything much. It merely results in the XML config for the guest being co...
{}
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jdg_167622
PrimeIntellect/stackexchange-question-answering