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1,789,627 | How to change the timeout on a .NET WebClient object | <p>I am trying to download a client's data to my local machine (programatically) and their webserver is very, very slow which is causing a timeout in my <code>WebClient</code> object.</p>
<p>Here is my code:</p>
<pre><code>WebClient webClient = new WebClient();
webClient.Encoding = Encoding.UTF8;
webClient.DownloadF... | 6,994,391 | 12 | 1 | null | 2009-11-24 11:59:58.95 UTC | 34 | 2021-12-13 12:40:00.7 UTC | null | null | null | null | 147,731 | null | 1 | 252 | c#|.net|file|download|webclient | 214,548 | <p>You can extend the timeout: inherit the original WebClient class and override the webrequest getter to set your own timeout, like in the following example.</p>
<p>MyWebClient was a private class in my case:</p>
<pre><code>private class MyWebClient : WebClient
{
protected override WebRequest GetWebRequest(Uri u... |
2,214,575 | Passing arguments to "make run" | <p>I use Makefiles.</p>
<p>I have a target called <code>run</code> which runs the build target. Simplified, it looks like the following:</p>
<pre><code>prog: ....
...
run: prog
./prog
</code></pre>
<p>Is there any way to pass arguments? So that</p>
<pre><code>make run asdf --> ./prog asdf
make run the dog kicke... | 2,214,593 | 14 | 1 | null | 2010-02-06 20:16:13.343 UTC | 106 | 2022-09-01 16:55:07.407 UTC | 2021-11-18 20:24:15.303 UTC | null | 832,230 | null | 247,265 | null | 1 | 469 | makefile | 344,658 | <p>I don't know a way to do what you want exactly, but a workaround might be:</p>
<pre><code>run: ./prog
./prog $(ARGS)
</code></pre>
<p>Then:</p>
<pre><code>make ARGS="asdf" run
# or
make run ARGS="asdf"
</code></pre> |
1,408,417 | Can you "compile" PHP code and upload a binary-ish file, which will just be run by the byte code interpreter? | <p>I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access.</p>
<p>But can you "compile" PHP code and upload a binary-ish file, which will just be run by the byte code interpreter?</p... | 1,408,499 | 14 | 5 | null | 2009-09-11 00:23:28.577 UTC | 99 | 2021-06-03 14:51:36.03 UTC | 2019-07-15 03:02:58.94 UTC | null | 63,550 | null | 84,478 | null | 1 | 239 | php|bytecode | 257,145 | <p>After this question was asked, Facebook launched <strong>HipHop for PHP</strong> which is probably the best-tested PHP compiler to date (seeing as it ran one of the world’s 10 biggest websites). However, Facebook discontinued it in favour of HHVM, which is a virtual machine, not a compiler.</p>
<p>Beyond that, goog... |
8,517,304 | What is the difference for sample/resample/scale/resize/adaptive-resize/thumbnail operators in ImageMagick convert? | <p>I found multiple ways to change the resolution of an image using <code>convert</code>:</p>
<pre><code>-sample
-resample
-scale
-resize
-adaptive-resize
-thumbnail
</code></pre>
<p>What's the difference of those?</p>
<p>If I need to make various size large picture thumbnail with fixed aspect ratio (cropping needed... | 13,078,621 | 1 | 2 | null | 2011-12-15 08:43:57.393 UTC | 44 | 2021-08-23 03:10:58.08 UTC | 2015-07-15 20:20:59.15 UTC | null | 359,307 | null | 41,948 | null | 1 | 94 | imagemagick|thumbnails | 34,619 | <p><strong>resize</strong></p>
<blockquote>
<p><strong><code>-resize 400x300+20+30</code></strong> (like the <code>-scale</code> and <code>-sample</code> examples below) converts an input to an output image which has the pixel dimensions of <code>400x300</code>. It also shifts the output by 20 pixels to the right and b... |
6,478,364 | How do you set percentage in Google Visualization Chart API? | <p>How do you set the vertical axis to display percent such as 25%, 50%, 75%, 100%?</p> | 6,486,856 | 3 | 0 | null | 2011-06-25 14:27:27.85 UTC | 2 | 2021-05-31 16:50:07.91 UTC | 2019-02-27 15:39:30.313 UTC | null | 759,866 | null | 336,920 | null | 1 | 23 | api|charts|google-visualization|number-formatting | 43,926 | <p><pre><code>chart.draw(data, {vAxis: {format:'#%'} } );
</pre></code></p>
<p>To get comma for thousands, use <code>{format:'#,###%'}</code>.</p>
<p>See <a href="http://code.google.com/apis/chart/interactive/docs/gallery/linechart.html" rel="noreferrer">http://code.google.com/apis/chart/interactive/docs/gallery/line... |
6,476,763 | Rails 3 route appends _index to route name | <p>I am migrating a Rails 2.3.8 version to Rails 3.0 and so ive rewritten my routes file. When i list the routes using <code>rake routes</code>, i see some route names have <code>_index</code> appended to them. I cant figure out why this is.</p>
<p>Relevant routes:</p>
<p>Rails 2.3.8:</p>
<pre><code>map.namespace "t... | 6,477,540 | 3 | 0 | null | 2011-06-25 08:38:36.053 UTC | 4 | 2015-11-13 00:58:06.573 UTC | 2011-06-25 09:06:32.967 UTC | null | 285,614 | null | 285,614 | null | 1 | 34 | ruby-on-rails|ruby-on-rails-3|routes | 6,832 | <p>It is because your resource is named <code>:planner</code> instead of <code>:planners</code> that Rails decided to add the _index to any collection nested underneath. My guess it is there for readability.</p>
<p>The action named in the collection normally translates to a verb, so I can see why this makes sense. Tak... |
15,596,020 | Permission denied when opening localhost | <p>I had recently installed Apache, PHP and MySQL in Ubuntu. And copied the files I created to the <code>var/www</code> directory. But when I open <code>http://localhost</code> it is showing</p>
<blockquote>
<p>Warning: Unknown: failed to open stream: Permission denied in Unknown on line 0</p>
<p>Fatal error: U... | 15,596,084 | 2 | 5 | null | 2013-03-24 07:04:35.987 UTC | 1 | 2013-03-30 04:15:58.303 UTC | 2013-03-30 04:15:58.303 UTC | null | 13,295 | null | 2,140,143 | null | 1 | 9 | php|ubuntu|permissions|localhost | 41,439 | <p>According to this article, you need to give read/execute permissions to Owner, Group, and Everyone.</p>
<p>Set permissions on the problem file to 777. Note, you should avoid doing this on a server that's accessible from the internet. </p>
<p><a href="http://webomania.wordpress.com/2007/03/12/permission-denied-in-u... |
18,803,354 | ending "+" prompt in R | <p>I'm fairly new to R and I made a type-o while entering some code and now instead of getting the ">" prompt I get a "+" prompt. I appear to be stuck in some kind of function that is looking for input, but I can't seem to get out of it. I figure that there must be a better way to fix this problem then closing R and re... | 18,803,911 | 5 | 2 | null | 2013-09-14 15:31:20.197 UTC | 9 | 2022-09-17 09:49:18.437 UTC | 2013-10-02 01:36:21.12 UTC | null | 636,656 | null | 2,779,461 | null | 1 | 74 | r|r-faq | 106,627 | <p>It depends on how you’re running R.</p>
<p>In the terminal, the “normal” way is <kbd>Control</kbd>+<kbd>C</kbd> – the “cancel” key combination.</p>
<p>In the graphical R application and in RStudio, it’s <kbd>Escape</kbd>.</p> |
19,042,894 | Periodic iOS background location updates | <p>I'm writing an application that requires background location updates with <strong>high accuracy and low frequency</strong>. The solution seems to be a background NSTimer task that starts the location manager's updates, which then immediately shuts down. This question has been asked before:</p>
<p><a href="https:/... | 19,085,518 | 9 | 3 | null | 2013-09-27 04:44:30.337 UTC | 91 | 2019-08-24 22:23:37.353 UTC | 2018-09-10 21:38:07.02 UTC | null | 5,175,709 | null | 1,601,957 | null | 1 | 93 | ios|objective-c|core-location|background-task|ios-background-mode | 97,398 | <p>It seems that <code>stopUpdatingLocation</code> is what triggers the background watchdog timer, so I replaced it in <code>didUpdateLocation</code> with:</p>
<pre><code>[self.locationManager setDesiredAccuracy:kCLLocationAccuracyThreeKilometers];
[self.locationManager setDistanceFilter:99999];
</code></pre>
<p>whic... |
40,050,397 | Deep-Learning Nan loss reasons | <p>Perhaps too general a question, but can anyone explain what would cause a Convolutional Neural Network to diverge?</p>
<p>Specifics:</p>
<p>I am using Tensorflow's iris_training model with some of my own data and keep getting</p>
<blockquote>
<p>ERROR:tensorflow:Model diverged with loss = NaN.</p>
<p>Traceback...</p... | 40,434,284 | 13 | 4 | null | 2016-10-14 19:07:18.273 UTC | 57 | 2022-06-12 13:08:30.77 UTC | 2020-06-20 09:12:55.06 UTC | null | -1 | null | 5,031,496 | null | 1 | 134 | python|tensorflow|machine-learning|keras|theano | 188,819 | <p>There are lots of things I have seen make a model diverge.</p>
<ol>
<li><p>Too high of a learning rate. You can often tell if this is the case if the loss begins to increase and then diverges to infinity. </p></li>
<li><p>I am not to familiar with the DNNClassifier but I am guessing it uses the categorical cross ... |
5,283,090 | Clean solution (project) structure with EF, Repositories, Entities | <p>I like to keep the structure of the project as clean as possible.
Sample:</p>
<pre><code>--BlogApp.sln
--BlogApp.Data
BlogModel.edmx (the EF mappings)
Post.cs (I end up having partial classes in here with attributes)
--BlogApp.Domain
--Entities
Post.cs (I would like to have my POCOs her... | 5,283,973 | 2 | 4 | null | 2011-03-12 14:29:26.347 UTC | 9 | 2011-03-12 16:59:55.19 UTC | 2011-03-12 15:44:31.367 UTC | null | 67,392 | null | 420,555 | null | 1 | 10 | asp.net-mvc|entity-framework|projects-and-solutions|project-structure | 10,426 | <p>My preferred structure is:</p>
<blockquote>
<pre><code>Solution
-- Common
- Shared features used accross all layers
- You can also place interfaces for repositories and uow here
-- Entities - shared among DataAccess, Business (and UI in small projects)
- T4 template + partial classes + cust... |
5,223,763 | How to FTP in Ruby without first saving the text file | <p>Since Heroku does not allow saving dynamic files to disk, I've run into a dilemma that I am hoping you can help me overcome. I have a text file that I can create in RAM. The problem is that I cannot find a gem or function that would allow me to stream the file to another FTP server. The Net/FTP gem I am using requir... | 7,589,083 | 2 | 0 | null | 2011-03-07 18:47:42.85 UTC | 9 | 2015-03-29 00:09:23.143 UTC | 2011-03-07 20:23:16.153 UTC | null | 405,017 | null | 307,308 | null | 1 | 12 | ruby|ftp|heroku | 7,661 | <p><a href="http://ruby-doc.org/stdlib/libdoc/stringio/rdoc/classes/StringIO.html#M003790" rel="noreferrer">StringIO.new</a> provides an object that acts like an opened file. It's easy to create a method like <a href="http://ruby-doc.org/stdlib/libdoc/net/ftp/rdoc/classes/Net/FTP.html#M001277" rel="noreferrer">puttextf... |
5,237,611 | itertools.cycle().next()? | <p>Well, I was using <code>itertools.cycle().next()</code> method with Python 2.6.6, but now that I updated to 3.2 I noticed that <code>itertools.cycle()</code> object has no method <code>next()</code>.</p>
<p>I used it to cycle a string in the <code>spin()</code>method of a <code>Spinner</code> class. So if we cycle ... | 5,237,664 | 2 | 1 | null | 2011-03-08 20:00:50.64 UTC | 6 | 2014-05-19 07:26:54.247 UTC | null | null | null | null | 222,758 | null | 1 | 48 | python-3.x|cycle|next|itertools | 31,708 | <p><code>iter.next()</code> was removed in python 3. Use <code>next(iter)</code> instead. So in your example change <code>itertools.cycle().next()</code> to <code>next(itertools.cycle())</code></p>
<p>There is a <a href="http://www.diveintopython3.net/porting-code-to-python-3-with-2to3.html#next" rel="noreferrer">good... |
369,438 | Smooth spectrum for Mandelbrot Set rendering | <p>I'm currently writing a program to generate really enormous (65536x65536 pixels and above) Mandelbrot images, and I'd like to devise a spectrum and coloring scheme that does them justice. The <a href="http://en.wikipedia.org/wiki/File:Mandel_zoom_00_mandelbrot_set.jpg" rel="noreferrer">wikipedia featured mandelbrot ... | 374,216 | 7 | 0 | null | 2008-12-15 19:26:33.75 UTC | 24 | 2019-04-04 17:42:56.41 UTC | null | null | null | Arachnid | 12,030 | null | 1 | 37 | algorithm|colors|fractals|mandelbrot | 35,887 | <p>My eventual solution was to create a nice looking (and fairly large) palette and store it as a constant array in the source, then interpolate between indexes in it using the smooth coloring algorithm. The palette wraps (and is designed to be continuous), but this doesn't appear to matter much.</p> |
870,173 | Is there a limit on number of open files in Windows | <p>I'm opening lots of files with fopen() in VC++ but after a while it fails.</p>
<p>Is there a limit to the number of files you can open simultaneously?</p> | 870,224 | 7 | 3 | null | 2009-05-15 18:31:08.3 UTC | 9 | 2017-10-25 09:14:32.393 UTC | null | null | null | null | 73,869 | null | 1 | 44 | c++|windows | 76,882 | <p>The C run-time libraries have a 512 limit for the number of files that can be open at any one time. Attempting to open more than the maximum number of file descriptors or file streams causes program failure. Use <code>_setmaxstdio</code> to change this number. More information about this can be read <a href="http://... |
1,218,034 | HTML anchor link with no scroll or jump | <p>I have various links which all have unique id's that are "pseudo-anchors." I want them to affect the url hash value and the click magic is all handled by some mootools code. However, when I click on the links they scroll to themselves (or to the top in one case). I don't want to scroll anywhere, but also need my jav... | 1,218,038 | 8 | 4 | null | 2009-08-02 02:40:28.457 UTC | 9 | 2021-04-13 20:54:13.023 UTC | null | null | null | null | 49,411 | null | 1 | 29 | javascript|html|xhtml|scroll|anchor | 52,544 | <p>I'm probably missing something, but why not just give them different IDs?</p>
<pre><code><a href="#button1" id="button-1">button 1</a>
<a href="#button2" id="button-2">button 2</a>
<a href="#" id="reset">Home</a>
</code></pre>
<p>Or whatever convention you'd prefer.</p> |
226,693 | Python Disk-Based Dictionary | <p>I was running some dynamic programming code (trying to brute-force disprove the Collatz conjecture =P) and I was using a dict to store the lengths of the chains I had already computed. Obviously, it ran out of memory at some point. Is there any easy way to use some variant of a <code>dict</code> which will page part... | 226,796 | 8 | 0 | null | 2008-10-22 17:00:11.053 UTC | 18 | 2022-01-01 08:43:05.11 UTC | null | null | null | Claudiu | 15,055 | null | 1 | 44 | python|database|dictionary|disk-based | 18,085 | <p>Hash-on-disk is generally addressed with Berkeley DB or something similar - several options are listed in the <a href="http://docs.python.org/library/persistence.html" rel="noreferrer">Python Data Persistence documentation</a>. You can front it with an in-memory cache, but I'd test against native performance first; ... |
510,216 | Can you make the settings in Settings.bundle default even if you don't open the Settings App | <p>I have an iPhone application with a settings.bundle that handles various settings for my application. I can set default values in my root.plist file (using the DefaultValue property), but these only get used the first time the user opens the settings app. Is there any way to get these values written out when your ap... | 510,329 | 8 | 0 | null | 2009-02-04 05:51:15.597 UTC | 48 | 2016-11-21 09:36:05.64 UTC | null | null | null | rustyshelf | 6,044 | null | 1 | 58 | iphone|cocoa-touch | 30,148 | <p>If I understood you correctly, you want to avoid having default values specified twice (once as "DefaultValue" keys in your Settings.bundle/Root.plist file, and once in your app initialization code) so you do not have to keep them in sync.</p>
<p>Since Settings.bundle is stored within the app bundle itself, you can... |
1,026,220 | How to find out next character alphabetically? | <p>How we can find out the next character of the entered one. For example, if I entered the character "b" then how do I get the answer "c"?</p> | 1,026,271 | 9 | 2 | null | 2009-06-22 09:15:20.85 UTC | 3 | 2019-12-11 15:47:07.11 UTC | 2009-09-04 09:23:54.81 UTC | null | 124,875 | null | 124,875 | null | 1 | 39 | c#|char | 56,798 | <p>Try this:</p>
<pre><code>char letter = 'c';
if (letter == 'z')
nextChar = 'a';
else if (letter == 'Z')
nextChar = 'A';
else
nextChar = (char)(((int)letter) + 1);
</code></pre>
<p>This way you have no trouble when the char is the last of the alphabet.</p> |
1,237,778 | How do I break down an NSTimeInterval into year, months, days, hours, minutes and seconds on iPhone? | <p>I have a time interval that spans years and I want all the time components from year down to seconds.</p>
<p>My first thought is to integer divide the time interval by seconds in a year, subtract that from a running total of seconds, divide that by seconds in a month, subtract that from the running total and so on.... | 1,386,746 | 9 | 3 | null | 2009-08-06 09:08:48.853 UTC | 29 | 2016-10-19 12:52:37.213 UTC | 2010-02-02 03:13:17.363 UTC | null | 30,461 | null | 23,973 | null | 1 | 55 | iphone|cocoa|time|nstimeinterval | 48,645 | <p><strong>Brief Description</strong></p>
<ol>
<li><p>Just another approach to complete the answer of JBRWilkinson but adding some code. It can also offers a solution to Alex Reynolds's comment. </p></li>
<li><p>Use NSCalendar method:</p>
<ul>
<li><p><code>(NSDateComponents *)components:(NSUInteger)unitFlags fromDate... |
485,175 | Is it safe to check floating point values for equality to 0? | <p>I know you can't rely on equality between double or decimal type values normally, but I'm wondering if 0 is a special case.</p>
<p>While I can understand imprecisions between 0.00000000000001 and 0.00000000000002, 0 itself seems pretty hard to mess up since it's just nothing. If you're imprecise on nothing, it's n... | 485,741 | 9 | 3 | null | 2009-01-27 20:50:14.62 UTC | 26 | 2021-02-26 14:36:38.7 UTC | 2016-02-21 12:38:22.657 UTC | null | 96,780 | PhoenixRedeemer | 47,544 | null | 1 | 108 | c#|.net|floating-point|precision|zero | 81,652 | <p>It is <strong>safe</strong> to expect that the comparison will return <code>true</code> if and only if the double variable has a value of exactly <code>0.0</code> (which in your original code snippet is, of course, the case). This is consistent with the semantics of the <code>==</code> operator. <code>a == b</code> ... |
427,151 | Algorithms for Simulating Fluid Flow | <p>I've got a game idea that requires some semi-realistic simulation of a fluid flowing around various objects. Think of a pool of mercury on an irregular surface that is being tilted in various directions.</p>
<p>This is for a game, so 100% physical realism is not necessary. What is most important is that the calcu... | 427,157 | 10 | 0 | 2009-01-09 15:43:30.027 UTC | 2009-01-09 05:20:11.853 UTC | 11 | 2021-06-04 09:13:35.37 UTC | 2009-01-09 15:46:40.723 UTC | nemo | 20,774 | Kristopher Johnson | 1,175 | null | 1 | 15 | algorithm|simulation|cellular-automata | 12,900 | <p>This is not my area of research but I believe this is considered the canonical work:</p>
<p>Fluid Simulation for Computer Graphics</p>
<p><a href="https://www.routledge.com/Fluid-Simulation-for-Computer-Graphics/Bridson/p/book/9781482232837" rel="nofollow noreferrer">https://www.routledge.com/Fluid-Simulation-for-Co... |
210,635 | Teacher time schedule algorithm | <p>This is a problem I've had on my mind for a long time. Being the son of a teacher and a programmer, it occurred to me early on... but I still haven't found a solution for it.</p>
<p>So this is the problem. One needs to create a time schedule for a school, using some constraints. These are generally divided in two c... | 210,700 | 10 | 1 | null | 2008-10-16 23:27:33.18 UTC | 26 | 2016-05-30 15:47:28.423 UTC | 2017-05-23 11:53:38.5 UTC | Sklivvz | -1 | Sklivvz | 7,028 | null | 1 | 30 | algorithm|scheduling|np-hard | 20,747 | <p>I am one of the developer that works on the scheduler part of a student information system.
During our original approach of the scheduling problem, we researched genetic algorithms to solve constraint satisfaction problems, and even though we were successful initially, we realized that there was a less complicated s... |
132,867 | I have a gem installed but require 'gemname' does not work. Why? | <p>The question I'm really asking is why require does not take the name of the gem. Also, In the case that it doesn't, what's the easiest way to find the secret incantation to require the damn thing!?</p>
<p>As an example if I have <code>memcache-client</code> installed then I have to require it using</p>
<pre><code>... | 132,970 | 11 | 0 | null | 2008-09-25 12:01:13.993 UTC | 9 | 2020-06-10 01:05:54.393 UTC | null | null | null | mloughran | 18,751 | null | 1 | 63 | ruby|rubygems | 71,410 | <p>There is no standard for what the file you need to include is. However there are some commonly followed conventions that you can can follow try and make use of:</p>
<ul>
<li>Often the file is called the same
name as the gem. So <code>require mygem</code>
will work. </li>
<li>Often the file is
the only .rb file in t... |
526,255 | Probability distribution in Python | <p>I have a bunch of keys that each have an unlikeliness variable. I want to randomly choose one of these keys, yet I want it to be more unlikely for unlikely (key, values) to be chosen than a less unlikely (a more likely) object. I am wondering if you would have any suggestions, preferably an existing python module th... | 526,300 | 12 | 12 | 2009-02-09 01:00:32.423 UTC | 2009-02-08 19:52:22.713 UTC | 23 | 2014-01-19 00:25:27.99 UTC | 2009-02-10 15:56:55.267 UTC | Nicholas Leonard | 49,985 | Nicholas Leonard | 49,985 | null | 1 | 21 | python|algorithm|random|distribution|probability | 20,787 | <p><a href="http://code.activestate.com/recipes/117241/" rel="noreferrer">This activestate recipe</a> gives an easy-to-follow approach, specifically the version in the comments that doesn't require you to pre-normalize your weights:</p>
<pre><code>import random
def weighted_choice(items):
"""items is a list of tu... |
576,775 | As a programmer how would you explain imaginary numbers? | <p>As a programmer I think it is my job to be good at math but I am having trouble getting my head round imaginary numbers. I have tried google and <a href="http://en.wikipedia.org/wiki/Imaginary_number" rel="noreferrer">wikipedia</a> with no luck so I am hoping a programmer can explain in to me, give me an example of ... | 576,800 | 13 | 0 | null | 2009-02-23 07:16:18.627 UTC | 9 | 2015-03-11 21:47:14.183 UTC | 2013-01-17 07:07:41.373 UTC | David Segonds | 225,647 | Ctrl Alt D-1337 | 36,157 | null | 1 | 18 | math|complex-numbers | 5,310 | <p>I guess this <a href="http://betterexplained.com/articles/a-visual-intuitive-guide-to-imaginary-numbers/" rel="nofollow noreferrer">blog entry</a> is one good explanation:</p>
<p>The key word is <strong>rotation</strong> (as opposed to <strong><em>direction</em></strong> for negative numbers, which are as stranger ... |
180,947 | Base64 decode snippet in C++ | <p>Is there a freely available Base64 decoding code snippet in C++?</p> | 180,949 | 13 | 3 | null | 2008-10-08 00:25:26.463 UTC | 43 | 2022-01-19 05:00:53.637 UTC | 2021-01-09 16:46:23.643 UTC | null | 63,550 | null | 19,104 | null | 1 | 94 | c++|base64 | 199,010 | <p>See <em><a href="http://www.adp-gmbh.ch/cpp/common/base64.html" rel="noreferrer">Encoding and decoding base 64 with C++</a></em>.</p>
<p>Here is the implementation from that page:</p>
<pre><code>/*
base64.cpp and base64.h
Copyright (C) 2004-2008 René Nyffenegger
This source code is provided 'as-is', witho... |
652,770 | Delete with Join in MySQL | <p>Here is the script to create my tables: </p>
<pre><code>CREATE TABLE clients (
client_i INT(11),
PRIMARY KEY (client_id)
);
CREATE TABLE projects (
project_id INT(11) UNSIGNED,
client_id INT(11) UNSIGNED,
PRIMARY KEY (project_id)
);
CREATE TABLE posts (
post_id INT(11) UNSIGNED,
project_id INT(... | 4,192,849 | 14 | 5 | null | 2009-03-17 01:44:05.523 UTC | 115 | 2020-10-27 10:14:23.037 UTC | 2018-10-26 14:07:35.047 UTC | null | 8,810,495 | brioblue | 74,980 | null | 1 | 564 | mysql | 372,098 | <p>You just need to specify that you want to delete the entries from the <code>posts</code> table:</p>
<pre><code>DELETE posts
FROM posts
INNER JOIN projects ON projects.project_id = posts.project_id
WHERE projects.client_id = :client_id
</code></pre>
<p>EDIT: For more information you can see <a href="https://stacko... |
249,357 | Are there any CSS standards that I should follow while writing my first stylesheet? | <p>I am currently working on my first website. I have no idea where to start on the CSS page, or if there are any standards that I should be following.</p>
<p>I would appreciate any links or first-hand advise.</p> | 249,387 | 17 | 0 | null | 2008-10-30 05:34:42.283 UTC | 14 | 2014-09-18 09:44:45.667 UTC | null | null | null | jjnguy | 2,598 | null | 1 | 15 | css | 2,708 | <p>An error that beginners make quite often:</p>
<p>CSS is semantic as well. Try to express concepts, not formats. Contrived example:</p>
<h3>Wrong:</h3>
<pre><code>div.red
{
color: red;
}
</code></pre>
<p>as opposed to:</p>
<h3>Good:</h3>
<pre><code>div.error
{
color: red;
}
</code></pre>
<p>CSS should be the ... |
126,445 | Any way to remove IEs black border around submit button in active forms? | <p>I am implementing a design that uses custom styled submit-buttons. They are quite simply light grey buttons with a slightly darker outer border:</p>
<pre><code>input.button {
background: #eee;
border: 1px solid #ccc;
}
</code></pre>
<p>This looks just right in Firefox, Safari and Opera. The problem is with... | 126,517 | 18 | 0 | null | 2008-09-24 10:46:10.39 UTC | 22 | 2014-12-23 10:58:41.243 UTC | null | null | null | Magnar | 1,123 | null | 1 | 40 | css|internet-explorer | 65,424 | <p>Well this works here:</p>
<pre><code><html>
<head>
<style type="text/css">
span.button {
background: #eee;
border: 1px solid #ccc;
}
span.button input {
background:none;
border:0;
... |
1,073,384 | What strategies have you used to improve build times on large projects? | <p>I once worked on a C++ project that took about an hour and a half for a full rebuild. Small edit, build, test cycles took about 5 to 10 minutes. It was an unproductive nightmare.</p>
<p>What is the worst build times you ever had to handle? </p>
<p>What strategies have you used to improve build times on large proje... | 1,073,434 | 20 | 2 | null | 2009-07-02 09:26:09.29 UTC | 11 | 2014-05-26 07:02:50.773 UTC | 2011-12-19 18:43:16.317 UTC | null | 105,971 | null | 4,012 | null | 1 | 24 | c++|compiler-construction|build-process|build-automation | 5,403 | <ol>
<li>Forward declaration</li>
<li>pimpl idiom</li>
<li>Precompiled headers</li>
<li>Parallel compilation (e.g. MPCL add-in for Visual Studio).</li>
<li>Distributed compilation (e.g. Incredibuild for Visual Studio).</li>
<li>Incremental build</li>
<li>Split build in several "projects" so not compile all the code if ... |
196,017 | Unique (non-repeating) random numbers in O(1)? | <p>I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible?</p> | 196,065 | 22 | 7 | null | 2008-10-12 20:34:22.297 UTC | 117 | 2019-11-02 09:44:16.297 UTC | 2015-07-16 18:08:47.61 UTC | Pete Kirkham | 1,711,796 | dicroce | 3,886 | null | 1 | 188 | algorithm|math|random|language-agnostic | 109,105 | <p>Initialize an array of 1001 integers with the values 0-1000 and set a variable, max, to the current max index of the array (starting with 1000). Pick a random number, r, between 0 and max, swap the number at the position r with the number at position max and return the number now at position max. Decrement max by... |
895,371 | Why is Bubble Sort implementation looping forever? | <p>In class we are doing sorting algorithms and, although I understand them fine when talking about them and writing pseudocode, I am having problems writing actual code for them.</p>
<p>This is my attempt in Python:</p>
<pre><code>mylist = [12, 5, 13, 8, 9, 65]
def bubble(badList):
length = len(badList) - 1
... | 902,736 | 28 | 16 | null | 2009-05-21 21:47:24.853 UTC | 26 | 2022-04-06 15:24:11.58 UTC | 2022-04-06 15:24:11.58 UTC | null | 8,372,853 | null | 2,592 | null | 1 | 131 | python|algorithm|sorting|bubble-sort | 112,947 | <p>To explain why your script isn't working right now, I'll rename the variable <code>unsorted</code> to <code>sorted</code>.</p>
<p>At first, your list isn't yet sorted. Of course, we set <code>sorted</code> to <code>False</code>.</p>
<p>As soon as we start the <code>while</code> loop, we assume that the list is alr... |
34,722,862 | How to remove time part from Date? | <p>I have a date <code>'12/12/1955 12:00:00 AM'</code> stored in a hidden column. I want to display the date without the time.</p>
<p>How do I do this?</p> | 34,722,927 | 8 | 8 | null | 2016-01-11 13:34:05.62 UTC | 6 | 2022-09-16 11:49:43.42 UTC | 2022-03-14 18:41:38.82 UTC | null | 3,345,644 | null | 3,913,690 | null | 1 | 103 | javascript | 211,191 | <p>Split it by <code>space</code> and take first part like below. Hope this will help you.</p>
<pre><code>var d = '12/12/1955 12:00:00 AM';
d = d.split(' ')[0];
console.log(d);
</code></pre> |
7,002,477 | SQL Server default date time stamp? | <p>I have a field that when something is inserted I want it to get the current Date & Time and insert this into the database. Is there a way to get the date & time, and set it as the default value? </p>
<p>Currently the default value is: (getdate()) Which sets only the date. How do I also set the time? </p> | 7,002,513 | 5 | 5 | null | 2011-08-09 20:25:27.353 UTC | 1 | 2014-03-24 08:36:02.197 UTC | 2011-08-09 20:28:25.897 UTC | null | 280,598 | null | 494,901 | null | 1 | 16 | sql|sql-server | 66,730 | <p><code>GETDATE()</code> is a date and time in SQL Server.</p>
<p>Run <code>SELECT GETDATE()</code> to verify this.</p>
<p>What is the datatype of your field? If it's <code>DATE</code> then it will not hold time values as well.</p> |
6,736,023 | Which browsers (and versions) support the Canvas.toBlob method? | <p>I'm working on a minimalist image creation project and I need to have the ability to create images within the browser that are in-turn used on a server. So far, the <code>Canvas.toDataUrl()</code> method has met our needs, but I just learned of the <code>Canvas.toBlob()</code> method which would be much more conven... | 56,499,809 | 5 | 3 | null | 2011-07-18 16:22:02.31 UTC | 2 | 2019-09-16 19:03:02.493 UTC | 2019-06-12 15:29:06.15 UTC | null | 469,319 | null | 469,319 | null | 1 | 38 | html|html5-canvas | 19,358 | <p>It's been nearly 8 years since I first asked this question. Considering that I still get a trickle-in of upvotes and this question is often at the top of Google Searches, I figured I'd give an update to the state of <code>Canvas.toBlob(...)</code> and it's implementation.</p>
<p>The following table:</p>
<pre><cod... |
6,449,345 | How to show a Horizontal Android Indeterminate Progress Bar | <p>How to show an indeterminate horizontal progress bar in android? The animation of the progress bar should start from 0 to 100 and then go back from 100 to 0 continuously. I am not looking for the wheel progress bar.</p> | 6,450,417 | 5 | 2 | null | 2011-06-23 04:29:47.933 UTC | 9 | 2018-10-03 13:09:46.04 UTC | 2018-01-25 09:38:31.907 UTC | null | 2,598,247 | null | 608,209 | null | 1 | 50 | android|android-progressbar | 90,030 | <p>I already knew that <code>setIndeterminate</code> will give an infinite horizontal progress bar. But it will be similar to the loading wheel, except that it will be horizontal. If you see my question I was looking for horizontal bar which starts from 0 and goes all the way to 100 (a gradual increase). If you want to... |
6,583,746 | Matching Kinect Audio with Video | <p>I have a project dealing with video conferencing using the Kinect (or, more likely, four of them). Right now, my company uses these stupidly expensive cameras for our VTC rooms. The hope is, using a couple Kinects linked together, we can reduce the costs. The plan is to have four/five of them covering a 180 degree a... | 6,674,061 | 6 | 4 | null | 2011-07-05 13:52:14.67 UTC | 8 | 2011-07-15 13:10:50.177 UTC | 2011-07-15 13:10:50.177 UTC | null | 610,634 | null | 610,634 | null | 1 | 28 | c#|kinect | 2,496 | <p>The API provided by Microsoft Research doesn't actually provide this capability. Kinect is essentially multiple cameras, and a microphone array with each sensor having a unique driver stack so there is no linkage to the physical hardware device. The best way to achieve this would be to use the Windows API instead, b... |
6,928,374 | Example of the Scala aggregate function | <p>I have been looking and I cannot find an example or discussion of the <code>aggregate</code> function in Scala that I can understand. It seems pretty powerful.</p>
<p>Can this function be used to reduce the values of tuples to make a multimap-type collection? For example:</p>
<pre><code>val list = Seq(("one", "i")... | 6,932,050 | 7 | 0 | null | 2011-08-03 14:47:30.347 UTC | 28 | 2019-04-21 17:35:42.807 UTC | 2016-08-12 21:43:27.533 UTC | null | 442,945 | null | 235,820 | null | 1 | 36 | scala|aggregate-functions | 40,583 | <p>The aggregate function does not do that (except that it is a very general function, and it could be used to do that). You want <code>groupBy</code>. Close to at least. As you start with a <code>Seq[(String, String)]</code>, and you group by taking the first item in the tuple (which is <code>(String, String) => St... |
6,929,662 | How do I abort image <img> load requests without using window.stop() | <p>I have a very long page that dynamically loads images as users scroll through.</p>
<p>However, if a user quickly scrolls away from a certain part of the page, I don't want the images to continue loading in that now out-of-view part of the page.</p>
<p>There are lots of other requests happening on the page simultan... | 6,974,878 | 7 | 3 | null | 2011-08-03 16:13:06.697 UTC | 16 | 2017-06-01 23:10:36.557 UTC | 2017-05-23 12:00:24.427 UTC | null | -1 | null | 793,472 | null | 1 | 48 | javascript|jquery|html|ajax|image | 27,229 | <p>What you are trying to do is the wrong approach, as mentioned by <a href="https://stackoverflow.com/users/380487/nrabinowitz">nrabinowitz</a>. You can't just "cancel" the loading process of an image (setting the <code>src</code> attribute to an empty string is <a href="http://www.nczonline.net/blog/2009/11/30/empty-... |
38,442,901 | Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.) | <p>I am getting this kind of error, how to fix it.</p>
<pre><code>Error:Unable to load class 'org.gradle.tooling.internal.protocol.test.InternalTestExecutionConnection'.
Possible causes for this unexpected error Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.)
Re-dow... | 42,622,353 | 40 | 2 | null | 2016-07-18 17:41:54.393 UTC | 31 | 2021-05-06 13:42:26.277 UTC | 2016-07-22 13:31:45.3 UTC | null | 2,741,598 | null | 4,693,397 | null | 1 | 111 | android|gradle|gradle-plugin | 204,057 | <p>I updated my Android Studio to 2.3 and it asked me to update my gradle plugin to 3.3 that created issues with my running projects.
I've gone through all the Stack solutions and nothing worked for me except this workaround:
<strong>I changed my distribution url in gradle-wrapper.properties with this one.</strong></p... |
15,675,689 | How to upload a file to Google Drive | <p>So im trying to upload a text file to my google drive from an android app I am creating. I learned how to upload a picture from the Google tutorial. Also, I will be using the strings from my app in the text file. Potentially, I want to make it a spreadsheet. Any help?</p> | 15,676,970 | 2 | 0 | null | 2013-03-28 06:38:44.96 UTC | 10 | 2021-06-25 21:26:28.917 UTC | 2013-03-28 08:00:41.587 UTC | null | 2,178,759 | null | 2,178,759 | null | 1 | 14 | android|google-drive-api | 46,316 | <p>Read <a href="https://developers.google.com/drive/quickstart-android" rel="noreferrer">Quick Start</a> on Google Android site. </p>
<p>When you are done with all the authentication process, go for <a href="https://developers.google.com/drive/manage-uploads" rel="noreferrer">How to upload file to Google Drive</a>.<... |
15,962,745 | Draw a semicircle in the background of a View | <p>I am trying to create a TextView whose background is a half circle. I create a oval using a ShapeDrawable. I tried to create a semicircle by using ScaleDrawable to double the size vertical size of the oval and clip it. However, the ScaleDrawable has no effect. Why not? What is the best way to draw a semicircle in th... | 15,963,620 | 5 | 1 | null | 2013-04-12 03:51:32.773 UTC | 14 | 2021-05-25 15:47:39.6 UTC | 2013-04-12 03:59:40.193 UTC | null | 766,900 | null | 766,900 | null | 1 | 19 | android | 38,741 | <p>You can implement you own Drawable. But that cannot be inflated from XML. You need to set the drawable from code using View.setBackgroundDrawable();</p>
<p>See my sample implementation to draw a semi circle using drawable.</p>
<pre><code>public class SemiCircleDrawable extends Drawable {
private Paint paint;
... |
15,952,812 | Multiple command parameters wpf button object | <p>How can I send multiple parameters from <code>Button</code> in <code>WPF</code>? I am able to send single parameter which is value of <code>TextBox</code> properly. Here is the code.</p>
<p><code>XAML</code></p>
<pre><code><TextBox Grid.Row="1" Height="23" HorizontalAlignment="Left" Margin="133,22,0,0" Name... | 15,952,864 | 2 | 4 | null | 2013-04-11 15:27:37.463 UTC | 6 | 2017-11-13 07:45:51.503 UTC | 2013-07-06 16:30:28.023 UTC | null | 2,176,945 | null | 945,175 | null | 1 | 20 | c#|wpf|button|mvvm|icommand | 42,270 | <blockquote>
<p>How can i send multiple parameters from button in wpf. </p>
</blockquote>
<p>You can only send one parameter as the <code>CommandParameter</code>.</p>
<p>A better solution is typically to just bind the <code>TextBox</code> and other controls to multiple properties in your ViewModel. The command wou... |
15,907,079 | CSS3 Transition - Fade out effect | <p>I am trying to implement the "fade out" effect in pure CSS. Here is the <a href="http://jsfiddle.net/dYBD2/" rel="noreferrer">fiddle</a>. I did look into a couple of solutions online, however, after reading the <a href="http://www.w3schools.com/css3/css3_animations.asp" rel="noreferrer">documentation online</a>, I a... | 16,611,735 | 8 | 0 | null | 2013-04-09 16:10:52.48 UTC | 36 | 2022-02-02 07:58:49.637 UTC | 2020-05-20 06:24:54.577 UTC | null | 6,904,888 | user2246087 | null | null | 1 | 126 | css|css-transitions | 472,975 | <p>You can use transitions instead:</p>
<pre><code>.successfully-saved.hide-opacity{
opacity: 0;
}
.successfully-saved {
color: #FFFFFF;
text-align: center;
-webkit-transition: opacity 3s ease-in-out;
-moz-transition: opacity 3s ease-in-out;
-ms-transition: opacity 3s ease-in-out;
-o-tran... |
36,233,477 | Implementing an interface with two abstract methods by a lambda expression | <p>In Java 8 the <strong><em>lambda expression</em></strong> is introduced to help with the reduction of boilerplate code. If the interface has only one method it works fine. If it consists of multiple methods, then none of the methods work. How can I handle multiple methods? </p>
<p>We may go for the following exampl... | 36,233,545 | 4 | 6 | null | 2016-03-26 09:03:47.573 UTC | 8 | 2018-12-06 14:10:54.013 UTC | 2017-03-01 03:33:27.063 UTC | null | 4,539,511 | null | 4,999,323 | null | 1 | 32 | java|lambda|java-8|functional-interface | 13,650 | <p>Lambda expressions are only usable with functional interface as said by Eran but if you really need multiple methods within the interfaces, you may change the modifiers to <code>default</code> or <code>static</code> and override them within the classes that implement them if necessary.</p>
<pre><code>public class T... |
50,298,114 | Django 2 - How to register a user using email confirmation and CBVs? | <p>This question specifically aims for a Django 2.0 answer as the <code>registration</code> module isn't available (yet) for it.</p>
<p><em>More, this might seem to broad, but I often found myself in situations where I can't use any 3rd party module because ... oh well..policies. I'm sure many did. And I know that look... | 50,330,016 | 3 | 4 | null | 2018-05-11 18:20:28.563 UTC | 16 | 2020-08-20 23:18:41.133 UTC | 2020-06-20 09:12:55.06 UTC | null | -1 | null | 3,316,077 | null | 1 | 21 | python|django|authentication | 14,286 | <h2>The User Model</h2>
<p>First, you will need to create a custom <code>User</code> model and a custom <code>UserManager</code> to remove the <code>username</code> field and use <code>email</code> instead.</p>
<p>In <code>models.py</code> the <code>UserManager</code> should look like this:</p>
<pre><code>from django.c... |
25,127,468 | Android: Placing ImageView on overlap between layouts | <p>I am trying to place an <code>ImageView</code> on the overlap point between two layouts. In the picture below, my goal would be to place the <code>ImageView</code> where the white square is. <b>NOTE: The overlap point will not necessarily be centered vertically as shown below</b></p>
<p><img src="https://i.stack.i... | 25,143,739 | 4 | 6 | null | 2014-08-04 21:01:39.383 UTC | 8 | 2022-01-14 16:19:32.673 UTC | 2016-08-03 17:43:34.547 UTC | null | 3,019,655 | null | 3,019,655 | null | 1 | 15 | android|android-layout|android-xml | 19,239 | <p>This will do what you want, with either an image of fixed height, or calculated programatically.</p>
<pre><code><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<RelativeLayout
android:... |
37,876,288 | Is there a one-liner to unpack tuple/pair into references? | <p>I frequently write snippets like</p>
<pre><code>int x,y,z; tie(x,y,z) = g[19];
</code></pre>
<p>where, for instance, <code>g</code> was declared earlier</p>
<pre><code>vector<tuple<int,int,int>> g(100);
</code></pre>
<p>Problem is, maybe later I actually want <code>x</code> and <code>y</code> to poin... | 45,866,028 | 3 | 6 | null | 2016-06-17 08:06:23.867 UTC | 7 | 2018-08-20 23:28:39.087 UTC | null | null | null | null | 6,478,097 | null | 1 | 46 | c++ | 19,845 | <p>Fortunately, C++17 has a solution for exactly this problem, the <a href="http://en.cppreference.com/w/cpp/language/structured_binding" rel="noreferrer">structured binding declaration</a>. Even the non-reference interface can be improved.</p>
<pre><code>auto[x, y, z] = g[i];
</code></pre>
<p>The above line declares... |
37,714,152 | How to select range of columns in a dataframe based on their name and not their indexes? | <p>In a pandas dataframe created like this:</p>
<pre><code>import pandas as pd
import numpy as np
df = pd.DataFrame(np.random.randint(10, size=(6, 6)),
columns=['c' + str(i) for i in range(6)],
index=["r" + str(i) for i in range(6)])
</code></pre>
<p>which could look as follows:</... | 37,714,216 | 5 | 7 | null | 2016-06-08 22:45:40.797 UTC | 1 | 2017-04-25 22:12:01.53 UTC | 2017-05-23 12:17:56.673 UTC | null | -1 | null | 1,534,017 | null | 1 | 5 | r|dataframe|subset|code-conversion | 39,657 | <p>It looks like you can accomplish this with a <code>subset</code>:</p>
<pre><code>> df <- data.frame(c1=1:6, c2=2:7, c3=3:8, c4=4:9, c5=5:10, c6=6:11)
> rownames(df) <- c('r1', 'r2', 'r3', 'r4', 'r5', 'r6')
> subset(df, select=c1:c4)
c1 c2 c3 c4
r1 1 2 3 4
r2 2 3 4 5
r3 3 4 5 6
r4 4 5... |
38,009,060 | Is List<?> the common parent of List<Integer> and List<Number>? | <p>From <a href="https://docs.oracle.com/javase/tutorial/java/generics/subtyping.html">this Oracle tutorial</a>,</p>
<blockquote>
<p>Although <code>Integer</code> is a subtype of <code>Number</code>, <code>List<Integer></code> is not a
subtype of <code>List<Number></code> and, in fact, these two types ... | 38,009,294 | 5 | 14 | null | 2016-06-24 08:40:15.47 UTC | 10 | 2016-06-29 12:08:37.86 UTC | 2016-06-24 23:44:48.647 UTC | null | 63,550 | null | 3,395,512 | null | 1 | 42 | java|generics|inheritance|polymorphism | 3,111 | <p>The context you need to understand is not of <code>Integer</code> or <code>Number</code> but it's the <strong><code>List</code></strong>. Let's suppose you were the one creating the <code>List</code> class then how would you create the class so it will only support a specific type of class. </p>
<p>Yes, that <code>... |
35,452,178 | What can `__init__` do that `__new__` cannot? | <p>In Python, <code>__new__</code> is used to initialize immutable types and <code>__init__</code> typically initializes mutable types. If <code>__init__</code> were removed from the language, what could no longer be done (easily)?</p>
<p>For example,</p>
<pre><code>class A:
def __init__(self, *, x, **kwargs):
... | 35,452,516 | 3 | 9 | null | 2016-02-17 09:09:05.063 UTC | 4 | 2020-05-09 02:41:57.213 UTC | 2016-02-17 09:40:51.827 UTC | null | 99,989 | null | 99,989 | null | 1 | 30 | python|initialization | 3,091 | <p>Everything you can do in <code>__init__</code> can also be done in <code>__new__</code>.</p>
<p>Then, why use <code>__init__</code>?<br>
Because you don't have to store instance in variable (<code>obj</code> in your example code), and later bother returning it. You can focus on what you realy want to do – ini... |
22,666,828 | No "pull" in Git Gui? | <p>How can I make a pull using Git GUI tool? It seems there is no pull command anywhere.</p>
<p>Is there an equivalent menu option using Git GUI?</p>
<p>Any help will be appreciated.</p> | 22,666,879 | 3 | 2 | null | 2014-03-26 16:07:52.203 UTC | 23 | 2022-06-06 06:51:45.397 UTC | 2014-03-26 16:16:38.13 UTC | null | 261,122 | null | 2,848,629 | null | 1 | 132 | git-pull|git-gui | 98,758 | <p>Well, I found this useful forum post:
<a href="https://web.archive.org/web/20200211180001/http://git.661346.n2.nabble.com/No-quot-pull-quot-in-git-gui-td1121058.html" rel="noreferrer">https://web.archive.org/web/20200211180001/http://git.661346.n2.nabble.com/No-quot-pull-quot-in-git-gui-td1121058.html</a></p>
<p>A f... |
13,579,632 | Android: Date (year,month,day) | <p>I want to get the date as a <em>year, month ,day</em> without hours or minutes or any thing else, and I don't want to get the year alone and the month and the day each by its self. Because as a full date I need it to comparison with another date </p>
<p>such as today <code>28.11.2012</code> and to compare it to <c... | 13,579,719 | 5 | 5 | null | 2012-11-27 07:53:43.92 UTC | null | 2020-04-23 15:56:36.503 UTC | 2012-11-28 07:08:29.117 UTC | null | 1,838,457 | null | 1,838,457 | null | 1 | 9 | android|date|calendar|gettime | 42,169 | <p>you can use <code>SimpleDateFormat</code>.</p>
<p>The basics for getting the current date </p>
<pre><code>DateFormat df = new SimpleDateFormat("MMM d, yyyy");
String now = df.format(new Date());
</code></pre>
<p>or</p>
<pre><code>DateFormat df = new SimpleDateFormat("MM/dd/yy");
String now = df.format(new Date()... |
13,458,992 | Angle between two Vectors 2D | <p>I'm trying to compute the angle between two vectors.
I tried this, but it always returns zero:</p>
<pre><code>public double GetAngle(Vector2 a, Vector2 b)
{
double angle = Math.Atan2(b.Y, b.X) - Math.Atan2(a.Y, a.X);
return angle;
}
GetAngle(new Vector2(1,1), new Vector2(50,50));
</code></pre>
<p><a href="h... | 13,459,068 | 9 | 5 | null | 2012-11-19 17:27:20.637 UTC | 5 | 2022-08-24 19:27:48.267 UTC | 2022-04-11 09:24:29.537 UTC | null | 4,298,200 | null | 1,697,953 | null | 1 | 15 | c#|vector|xna | 56,560 | <p>You should take a look at the documentation of <code>atan2</code> (<a href="http://msdn.microsoft.com/en-us/library/system.math.atan2.aspx" rel="noreferrer">here</a>).</p>
<p>What you're looking of is finding the difference between B (your upper left vector) and A (your bottom right vector), then pass this as a para... |
13,784,434 | How to use OpenSSL's SHA256 functions | <p>I'm writing a program to get myself acquainted with OpenSSL, libncurses, and UDP networking. I decided to work with OpenSSL's SHA256 to become familiar with industry encryption standards, but I'm having issues with getting it working. I've isolated the error to the linking of OpenSSL with the compiled program. I'm w... | 13,784,484 | 2 | 0 | null | 2012-12-09 03:47:05.427 UTC | 5 | 2017-10-09 02:23:09.133 UTC | 2017-10-09 02:23:09.133 UTC | null | 608,639 | null | 1,633,848 | null | 1 | 16 | c++|gcc|openssl|sha256 | 41,271 | <p>You make a very common beginners mistake... Putting the libraries you link with in the wrong place on the command line when you build.</p>
<p>Dependencies are reversed on the command line, so something that depends on something else should actually be put <em>before</em> what it depends on on the command line.</p>
... |
13,320,011 | Bootstrap modal dismiss if user click anywhere else..how to prevent this? | <p>I am using Twitter's Bootstrap modal.</p>
<p>The modal is dismissed whenever the user clicks anywhere else on the screen except the modal.</p>
<p>Is there a way I can prevent this, so the user has to click the Close button to dismiss the modal?</p>
<p>Best,</p> | 13,320,021 | 3 | 2 | null | 2012-11-10 06:48:45.02 UTC | 5 | 2017-05-18 18:18:09.273 UTC | 2012-11-10 06:59:19.867 UTC | null | 1,725,145 | null | 1,260,138 | null | 1 | 44 | javascript|jquery|css|twitter-bootstrap | 29,615 | <p>you can pass these options:</p>
<pre><code>{
keyboard: false,
backdrop: 'static'
}
</code></pre> |
13,698,978 | Git - undoing git rm | <blockquote>
<p><strong>Possible Duplicate:</strong><br>
<a href="https://stackoverflow.com/questions/2125710/how-to-revert-a-git-rm-r">How to revert a “git rm -r .”?</a> </p>
</blockquote>
<p>Git SOS here. I worked 10 hours on a project without committing (I know, I know) and then I git added too many files, s... | 13,699,072 | 1 | 0 | null | 2012-12-04 08:46:21.78 UTC | 22 | 2019-10-15 09:00:16.853 UTC | 2017-05-23 10:31:13.547 UTC | null | -1 | null | 1,436,111 | null | 1 | 97 | git|git-rm | 80,091 | <p>If you already commited changes, then:</p>
<pre><code>git reset (--hard) HEAD~1
</code></pre>
<p>If not then:</p>
<pre><code>git reset
git ls-files -d -z | xargs -0 git checkout --
</code></pre> |
13,246,211 | How to get stage from controller during initialization? | <p>I want to handle stage events (i.e. hiding) from my controller class. So all I have to do is to add a listener like this:</p>
<pre><code>((Stage) myPane.getScene().getWindow()).setOn*whatIwant*(...);
</code></pre>
<p>But the problem is that initialization starts right after this code:</p>
<pre><code>Parent root = FX... | 13,247,005 | 7 | 0 | null | 2012-11-06 07:18:36.13 UTC | 23 | 2022-04-10 12:31:48.113 UTC | 2022-04-10 12:31:48.113 UTC | null | 452,775 | null | 1,711,975 | null | 1 | 99 | javafx|initialization|javafx-2|javafx-8|stage | 168,602 | <p>You can get the instance of the controller from the <code>FXMLLoader</code> after initialization via <code>getController()</code>, but you need to instantiate an <code>FXMLLoader</code> instead of using the static methods then. </p>
<p>I'd pass the stage after calling <code>load()</code> directly to the controller ... |
13,483,430 | How to make rounded percentages add up to 100% | <p>Consider the four percentages below, represented as <code>float</code> numbers:</p>
<pre><code> 13.626332%
47.989636%
9.596008%
28.788024%
-----------
100.000000%
</code></pre>
<p>I need to represent these percentages as whole numbers. If I simply use <code>Math.round()</code>, I end up with ... | 13,485,888 | 22 | 10 | null | 2012-11-20 22:38:55.757 UTC | 102 | 2021-11-04 03:21:15.773 UTC | 2017-06-03 15:41:43.807 UTC | user6547518 | null | null | 25,842 | null | 1 | 251 | algorithm|math|rounding|percentage | 135,533 | <p>Since none of the answers here seem to solve it properly, here's my semi-obfuscated version using <a href="http://underscorejs.org/" rel="noreferrer">underscorejs</a>:</p>
<pre class="lang-js prettyprint-override"><code>function foo(l, target) {
var off = target - _.reduce(l, function(acc, x) { return acc + Mat... |
51,973,856 | How is the smooth dice loss differentiable? | <p>I am training a U-Net in keras by minimizing the <code>dice_loss</code> function that is popularly used for this problem: <a href="https://github.com/keras-team/keras/issues/3611" rel="noreferrer">adapted from here</a> and <a href="https://gist.github.com/wassname/7793e2058c5c9dacb5212c0ac0b18a8a" rel="noreferrer">h... | 51,979,012 | 1 | 4 | null | 2018-08-22 19:27:16.41 UTC | 8 | 2022-04-26 10:22:14.637 UTC | 2021-12-05 12:35:42.893 UTC | null | 1,714,410 | null | 7,892,871 | null | 1 | 11 | tensorflow|image-processing|keras|image-segmentation|semantic-segmentation | 5,235 | <p>Adding <code>smooth</code> to the loss does not make it differentiable. What makes it differentiable is</p>
<ol>
<li>Relaxing the threshold on the prediction: You do not cast <code>y_pred</code> to <code>np.bool</code>, but leave it as a <em>continuous</em> value between 0 and 1</li>
<li>You do not use set operation... |
20,365,334 | php - syntax error, unexpected T_DOUBLE_ARROW | <p>how i can rid of this error??</p>
<pre><code>Parse error: syntax error, unexpected T_DOUBLE_ARROW in /var/www/core/restvt.api.php on line 35
</code></pre>
<p>PHP Code :</p>
<pre><code> $datax = Array();
foreach ($inis as $key => $data){
if ($data=="mem"){
$str = number_form... | 20,365,479 | 2 | 2 | null | 2013-12-04 01:50:50.833 UTC | null | 2016-10-17 19:46:53.943 UTC | 2013-12-04 02:00:57.647 UTC | null | 3,051,384 | null | 3,051,384 | null | 1 | 15 | php|syntax | 77,554 | <p>I <strong>hate</strong> seeing people use array_push - I know it's legal. In this case, you can't <strong>push</strong> a <code>key => value</code> to your array, just do this instead:</p>
<pre><code>$datax['mem'] = $str;
</code></pre>
<p>Manual: <a href="http://php.net/manual/en/function.array-push.php" rel="n... |
3,877,006 | where can I find mysql.data.dll for c# | <p>All I keep on finding are source files for compiling the project myself (which keeps on failing).</p>
<p>Any ideas please?</p>
<p>Thank You!</p> | 3,877,080 | 2 | 4 | null | 2010-10-06 21:22:17.643 UTC | 1 | 2015-05-07 06:15:41.677 UTC | null | null | null | null | 126,015 | null | 1 | 14 | c#|mysql | 77,472 | <p><a href="http://dev.mysql.com/downloads/connector/net/" rel="noreferrer">Here is where you can download the latest MySql .NET driver for ADO.NET.</a> </p>
<p>Enjoy!</p> |
3,552,223 | ASP.NET - AppDomain.CurrentDomain.GetAssemblies() - Assemblies missing after AppDomain restart | <p>I have a Bootstrapper that looks through all Assemblies in an ASP.NET MVC application to find types that implement an <code>IBootstrapperTask</code> interface, and then registers them with an IOC Contrainer. The idea is that you can literaly place your IBootstrapperTasks anywhere, and organise your Projects how you ... | 3,704,939 | 2 | 1 | null | 2010-08-23 22:34:30.137 UTC | 12 | 2014-06-09 15:31:34.493 UTC | 2017-05-23 12:17:14.827 UTC | null | -1 | null | 143,253 | null | 1 | 32 | c#|asp.net|asp.net-mvc|reflection|assemblies | 13,463 | <p>I looked through the ASP.NET MVC 2.0 source code and looked up how <code>AreaRegistration.RegisterAllAreas();</code> is implemented. This line is usually put into the Global.asax Application_Start() method and internally it scans all Assemblies for types that implement the AreaRegistration abstract type. This is kin... |
3,875,195 | Google Chrome > Textboxes > Yellow border when active..? | <p>Ive been modifying a form today, and testing it in Chrome. I noticed that on selecting a textbox, with border: 0 or none, it still puts a yellow border around it. Does anyone know of a way to get rid of this border? I usually wouldnt be that bothered but it looks really horrible with the colour scheme I am using.</p... | 3,875,216 | 2 | 3 | null | 2010-10-06 17:19:43.273 UTC | 11 | 2014-03-13 00:39:12.847 UTC | null | null | null | null | 297,683 | null | 1 | 43 | css|google-chrome|input|textbox|border | 42,683 | <p>This is caused by an <a href="http://www.w3.org/TR/CSS2/ui.html#dynamic-outlines" rel="noreferrer">outline</a>, not a border. The specific style you see is defined in the user agent (browser) stylesheet.</p>
<p>I agree that Chrome's large, highlighted outline looks bad in many cases, although it does make it obviou... |
3,826,580 | What rules does software version numbering follow? | <p>I have been developing some software and want to give it version numbers.</p>
<p>How do I do this? </p>
<p>How is it that some software gets two versions like 1.3v1.1</p>
<p>or some have 3 numbers - 4.0.1 </p>
<p>What is the method behind all this?</p>
<p>Thanks.</p> | 3,826,643 | 2 | 0 | null | 2010-09-29 23:18:33.49 UTC | 72 | 2016-06-14 21:32:28.563 UTC | null | null | null | null | 52,256 | null | 1 | 129 | version-control | 131,721 | <p>The usual method I have seen is X.Y.Z, which generally corresponds to major.minor.patch:</p>
<ul>
<li>Major version numbers change whenever there is some significant change being introduced. For example, a large or potentially backward-incompatible change to a software package.</li>
<li>Minor version numbers change... |
45,493,948 | Error: The truth value of a Series is ambiguous - Python pandas | <p>I know this question has been asked before, however, when I am trying to do an <code>if</code> statement and I am getting an error. I looked at this <a href="https://stackoverflow.com/questions/36921951/truth-value-of-a-series-is-ambiguous-use-a-empty-a-bool-a-item-a-any-o">link</a> , but did not help much in my cas... | 45,494,393 | 3 | 14 | null | 2017-08-03 20:26:39.563 UTC | 5 | 2020-05-16 11:01:55.697 UTC | 2018-09-02 12:27:08.273 UTC | null | 6,605,349 | null | 6,626,093 | null | 1 | 16 | python|pandas|logic | 69,573 | <p>Here is a small demo, which shows why this is happenning:</p>
<pre><code>In [131]: df = pd.DataFrame(np.random.randint(0,20,(5,2)), columns=list('AB'))
In [132]: df
Out[132]:
A B
0 3 11
1 0 16
2 16 1
3 2 11
4 18 15
In [133]: res = df['A'] > 10
In [134]: res
Out[134]:
0 False
1 False
... |
29,473,830 | Image in tooltip using bootstrap? | <pre><code><button title="Tooltip on right" data-placement="right" data-toggle="tooltip" class="btn btn-default mrs" type="button">Tooltip on right</button>
<script>
$(function () {
$('[data-toggle=tooltip]').tooltip();
});
</script>
</code></pre>
<p>This works fine but I'd like to in... | 29,474,000 | 1 | 3 | null | 2015-04-06 15:02:56.83 UTC | 3 | 2015-04-06 15:12:22.777 UTC | 2015-04-06 15:03:50.257 UTC | null | 616,443 | null | 3,916,237 | null | 1 | 22 | javascript|jquery|twitter-bootstrap|frontend | 63,175 | <p>You have to pass in the html option to when you initialize .tooltip.
e.g. </p>
<pre><code><div class="cart">
<a data-toggle="tooltip" title="<img src='http://getbootstrap.com/apple-touch-icon.png' />">
<i class="icon-shopping-cart"></i>
</a>
</code></pre>
<h2> ... |
16,462,163 | Java - How to access an ArrayList of another class? | <p>Hello I'm a beginner in Java and this is my question:
I have this first class with the following variables:</p>
<pre><code>import java.util.ArrayList;
public class numbers {
private int number1 = 50;
private int number2 = 100;
}
</code></pre>
<p>And I have this class too:</p>
<pre><code>import java.util.... | 16,462,257 | 5 | 3 | null | 2013-05-09 12:48:41.287 UTC | 13 | 2019-03-18 08:35:54.553 UTC | 2013-05-09 14:53:48.677 UTC | null | 1,622,894 | null | 2,304,521 | null | 1 | 19 | java|arraylist | 157,932 | <pre><code>import java.util.ArrayList;
public class numbers {
private int number1 = 50;
private int number2 = 100;
private List<Integer> list;
public numbers() {
list = new ArrayList<Integer>();
list.add(number1);
list.add(number2);
}
public List<Integer> getLi... |
16,492,940 | How to install and run lessc on top of node.js and Windows? | <p>Hi I am learning LESS and I would like to install lessc on my Windows 7.</p>
<p>Following this tutorial <a href="http://verekia.com/less-css/dont-read-less-css-tutorial-highly-addictive">http://verekia.com/less-css/dont-read-less-css-tutorial-highly-addictive</a></p>
<p>The first step is I dowloaded and installed ... | 16,493,186 | 9 | 1 | null | 2013-05-11 01:42:14.863 UTC | 3 | 2019-06-16 23:03:30.66 UTC | 2013-08-29 21:56:43.167 UTC | null | 404,623 | null | 997,474 | null | 1 | 19 | windows|node.js|less | 38,384 | <p>In a console, run the following:</p>
<pre><code>node C:\Users\Me\AppData\Roaming\npm\node_modules\less\bin\lessc style.less > style.css
</code></pre>
<p><code>style.less</code> must be in the console's directory.</p> |
16,549,137 | How to get the style value using attr | <p>My HTML CODE HERE:</p>
<pre><code> <i id="bgcolor" style="background-color: rgb(255, 146, 180)"></i>
</code></pre>
<p>I want to get the background-color value using jquery attr. What i tried is below:</p>
<pre><code>$("#bgcolor").mouseleave(function(){
var bodyColor = $(this).attr("style");
... | 16,549,201 | 5 | 2 | null | 2013-05-14 17:18:47.1 UTC | 2 | 2020-01-31 22:32:08.507 UTC | 2020-01-31 22:32:08.507 UTC | null | 2,912,011 | null | 2,373,354 | null | 1 | 20 | jquery|html|css|attr | 58,658 | <p>Check out the documentation for .css: <a href="http://api.jquery.com/css/" rel="noreferrer">http://api.jquery.com/css/</a></p>
<pre><code>var bodyColor = $(this).css("backgroundColor");
</code></pre> |
16,077,341 | How to reset all default styles of the HTML5 button element | <h2>Scenario</h2>
<p>I use the <code><button></code> element which appeares just as plain text with an "+" on right end.
<br/>On click a div element expands and reveals some information. I think the button element is semanticaley correct to represent such a ... button ... trigger.</p>
<h2>Problem</h2>
<p>So I ... | 16,077,726 | 1 | 0 | null | 2013-04-18 07:50:15.3 UTC | 5 | 2014-11-12 04:57:17.98 UTC | null | null | null | null | 497,060 | null | 1 | 23 | css|html|button|default|user-agent | 59,035 | <pre><code>button::-moz-focus-inner,
input::-moz-focus-inner {
border: 0;
padding: 0;
}
</code></pre>
<p>add this one also in css it will solve your problem.</p> |
16,164,044 | What is the correct way to silently close InputStream in finally block without losing the original exception? | <p>I am wondering if the below code closes InputStream in finally block correctly</p>
<pre><code>InputStream is = new FileInputStream("test");
try {
for(;;) {
int b = is.read();
...
}
} finally {
try {
is.close();
} catch(IOException e) {
}
}
</code></pre>
<p>If an exceptio... | 16,164,100 | 9 | 2 | null | 2013-04-23 08:01:30.047 UTC | null | 2020-01-14 09:48:20.383 UTC | null | null | null | null | 1,831,293 | null | 1 | 30 | java | 28,681 | <p>The exception from is.close() will be suppressed and the exception from is.read() will be the one that propagates up.</p> |
12,864,999 | Sending and Receiving UDP packets | <p>The following code sends a packet on port 15000:</p>
<pre><code>int port = 15000;
UdpClient udp = new UdpClient();
//udp.EnableBroadcast = true; //This was suggested in a now deleted answer
IPEndPoint groupEP = new IPEndPoint(IPAddress.Broadcast, port);
string str4 = "I want to receive this!";
byte[] sendBytes4 = ... | 12,867,005 | 1 | 7 | null | 2012-10-12 18:26:45.203 UTC | 3 | 2017-12-20 13:23:00.157 UTC | 2012-10-12 19:42:56.743 UTC | null | 1,742,063 | null | 1,742,063 | null | 1 | 5 | c#|udp|message|broadcast|packet | 64,104 | <p>Here is the <code>simple</code> version of Server and Client to send/receive UDP packets</p>
<p><strong>Server</strong></p>
<pre><code>IPEndPoint ServerEndPoint= new IPEndPoint(IPAddress.Any,9050);
Socket WinSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
WinSocket.Bind(ServerE... |
15,374,969 | Determining if a string contains a word | <p>In Python, what is the syntax for a statement that, given the following context:</p>
<pre><code>words = 'blue yellow'
</code></pre>
<p>would be an if statement that checks to see if <code>words</code> contains the word "blue"? I.e.,</p>
<pre><code>if words ??? 'blue':
print 'yes'
elif words ??? 'blue':
pr... | 15,374,983 | 4 | 4 | null | 2013-03-13 00:37:51.817 UTC | 4 | 2013-03-13 01:11:42.847 UTC | 2013-03-13 00:52:31.447 UTC | null | 722,332 | null | 2,157,472 | null | 1 | 6 | python|if-statement | 57,775 | <pre><code>words = 'blue yellow'
if 'blue' in words:
print 'yes'
else:
print 'no'
</code></pre>
<h1>Edit</h1>
<p>I just realized that <code>nightly blues</code> would contain <code>blue</code>, but not as a whole word. If this is not what you want, split the wordlist:</p>
<pre><code>if 'blue' in words.split... |
17,184,242 | Command Prompt/Bat file - Create new folder named with today's date | <p>I use the following code to create a new folder that is named with todays date:</p>
<pre><code>for /f "tokens=1* delims=" %%a in ('date /T') do set datestr=%%a
mkdir c:\%date:/=%
</code></pre>
<p>Now the format is as follows:</p>
<pre><code>20130619
</code></pre>
<p>How do I change the format to?: </p>
<pre><co... | 17,184,479 | 4 | 0 | null | 2013-06-19 06:25:13.62 UTC | 3 | 2017-09-17 00:23:18.53 UTC | null | null | null | null | 1,140,828 | null | 1 | 5 | command-line|batch-file | 53,072 | <pre><code>for /f "tokens=1-3 delims=/" %%a in ("%date%") do md "%%a_%%b_%%c"
</code></pre> |
24,614,474 | Pandas Merge on Name and Closest Date | <p>I am trying to merge two dataframes on both name and the closest date (WRT the left hand dataframe). In my research I found one similar question <a href="https://stackoverflow.com/questions/21201618/pandas-merge-match-the-nearest-time-stamp-the-series-of-timestamps">here</a> but it doesn't account for the name as we... | 25,962,323 | 3 | 6 | null | 2014-07-07 15:39:00.62 UTC | 12 | 2018-07-18 14:25:35.84 UTC | 2017-05-23 12:01:33.313 UTC | null | -1 | null | 3,314,282 | null | 1 | 18 | python|date|pandas|merge | 21,337 | <p>I'd also love to see the final solution you came up with to know how it shook out in the end.</p>
<p>One thing you can do to find the closest date might be something to calc the number of days between each date in the first DataFrame and the dates in the second DataFrame. Then you can use <code>np.argmin</code> to ... |
21,983,097 | Testflight: Cannot upload build, cannot download SDK | <p>I'm having difficulties with TestFlight today. I've tried to upload ipa for the new app but getting this error:</p>
<blockquote>
<p>Sorry, we are no longer accepting any new builds that use the TestFlight SDK. Please remove the SDK and re-upload. Learn More.</p>
</blockquote>
<p>Learn more just point to generic ... | 21,983,289 | 2 | 3 | null | 2014-02-24 09:02:36.447 UTC | 4 | 2015-03-02 07:26:54.813 UTC | 2014-11-17 18:28:29.347 UTC | null | 1,192,479 | null | 211,765 | null | 1 | 35 | ios|testflight | 13,836 | <p>I think this is related to the <a href="http://techcrunch.com/2014/02/21/rumor-testflight-owner-burstly-is-being-acquired-by-apple/" rel="noreferrer">Apple purchase of TestFlight</a>.</p>
<p>My colleague told me that Android has also been disabled for TestFlight so it wouldn't surprise me if they have taken the who... |
21,891,218 | Using $state methods with $stateChangeStart toState and fromState in Angular ui-router | <p>I'm writing a handler for <code>$stateChangeStart</code>:</p>
<pre><code>var stateChangeStartHandler = function(e, toState, toParams, fromState, fromParams) {
if (toState.includes('internal') && !$cookies.MySession) {
e.preventDefault();
// Some login stuff.
}
};
$rootScope.$on('$st... | 24,010,392 | 1 | 7 | null | 2014-02-19 20:05:15.827 UTC | 19 | 2018-07-20 12:56:30.32 UTC | 2016-10-25 14:06:30.377 UTC | null | 3,146,716 | null | 1,032,590 | null | 1 | 36 | angularjs|angular-ui-router | 104,647 | <h3>Suggestion 1</h3>
<p>When you add an object to <code>$stateProvider.state</code> that object is then passed with the state. So you can add additional properties which you can read later on when needed.</p>
<p><strong>Example route configuration</strong></p>
<pre><code>$stateProvider
.state('public', {
abstra... |
17,283,018 | The call is ambiguous between single method i.e extension method | <p>I have an extension method like</p>
<pre><code>public static class Extension
{
public static string GetTLD(this string str)
{
var host = new System.Uri(str).Host;
int index = host.LastIndexOf('.'), last = 3;
while (index >= last - 3)
{
last = index;
... | 17,285,002 | 6 | 18 | null | 2013-06-24 19:00:55.073 UTC | 3 | 2017-10-24 12:08:20.373 UTC | 2013-06-24 20:30:46.48 UTC | null | 270,348 | null | 1,306,394 | null | 1 | 29 | c#|asp.net|runtime-error|ambiguous | 11,083 | <p>This is not a real solution and I can't explain how did it work but it worked.</p>
<p>I was trying everything in Project Properties, References, bin, obj but nothing helped me really. And I was just trying every option and chose 'Convert to Web Application' from the context menu. Although It was a Web Application i... |
17,178,907 | How to get a permanent user token for writes using the Trello API? | <p>I'm trying to write an app that updates my Trello cards with the API. How do I get a permanent user token for the app to write to my Trello board?</p>
<p>Thanks</p> | 17,301,115 | 3 | 0 | null | 2013-06-18 21:04:21.397 UTC | 17 | 2017-03-14 10:24:04.463 UTC | null | null | null | null | 233,798 | null | 1 | 34 | trello | 13,818 | <p>You can do this in one of 2 ways -</p>
<p>Direct the user to the below address. This will direct the user to a page that has a token that she can copy and paste back to you. The important bit is that you ask for <code>expiration = never</code> and <code>scope = read,write</code></p>
<pre><code>https://trello.com/1... |
17,505,835 | How do I set up the hosts file for multiple domains/hosts with the same IP? | <p>As you surely know you can map host names to IP addresses with the "hosts" file. This is very useful especially when you are developing as you can change localhost for project1.</p>
<p>That part is clear, but unfortunately I can't figure out how to set this up to open multiple projects with the same IP. I've tried ... | 17,893,591 | 3 | 0 | null | 2013-07-06 18:25:11.633 UTC | 15 | 2022-09-15 07:49:27.263 UTC | 2019-07-24 17:22:41.673 UTC | null | 964,243 | null | 736,086 | null | 1 | 50 | hosts|web-development-server | 103,855 | <p>I got this resolved thanks to Google and the collaborators, @jvilhena and @DRC. Here's how I did it:</p>
<p>If you are using Windows and XAMPP as in my case the first step is to set up the 'hosts' file. If you are using Windows it's likely that you will find it in C:\Windows\System32\drivers\etc\hosts. You can use ... |
18,647,611 | Posting JSON data to API using CURL | <p>When I'm posting <code>json</code> data to API using <code>curl</code> - I'm not getting any output. I would like to send email invitation to recipient. </p>
<pre><code>$url_send ="http://api.address.com/SendInvitation?";
$str_data = json_encode($data);
function sendPostData ($url, $post) {
$ch = curl_init($u... | 18,648,053 | 3 | 0 | null | 2013-09-05 23:36:36.303 UTC | 2 | 2018-09-12 15:57:13.337 UTC | 2014-07-14 09:22:00.313 UTC | null | 542,420 | null | 2,729,422 | null | 1 | 12 | php|json|api|curl | 77,320 | <p>Try adding <code>curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);</code><br>
And changing <code>http_build_query($post)</code> to <code>$post</code></p>
<p>The implementation:</p>
<pre><code><?php
$data = array(
"authorizedKey" => "abbad35c5c01-xxxx-xxx",
"senderEmail" => "myemail@yahoo.com",
"recipien... |
9,796,101 | Exchange - listing mailboxes in an OU with their mailbox size | <p>I'm trying to display all the mailboxes and their sizes for all our users in our Departed OU. I seem to be very close but my command seems to be adding some padding to the results.</p>
<pre><code>[PS] C:\Windows\system32>dsquery user "ou=Departed,ou=Staff,dc=COMPANY,dc=local" -limit 4 | dsget user -samid | Get-M... | 9,796,371 | 2 | 0 | null | 2012-03-20 22:40:17.063 UTC | 2 | 2019-01-25 10:34:55.07 UTC | null | null | null | null | 1,273,286 | null | 1 | 3 | powershell|exchange-server | 103,260 | <p>Why the dsquery?</p>
<pre><code>get-mailbox -OrganizationalUnit "ou=Departed,ou=Staff,dc=COMPANY,dc=local" -resultsize unlimited |
get-mailboxstatistics | ft DisplayName,TotalItemSize,Itemcount
</code></pre> |
23,401,652 | fatal: The current branch master has no upstream branch | <p>I'm trying to push one of my projects to github, and I keep getting this error:</p>
<pre><code>peeplesoft@jane3:~/846156 (master) $ git push
fatal: The current branch master has no upstream branch.
To push the current branch and set the remote as upstream, use
git push --set-upstream origin master
</code></p... | 23,402,125 | 31 | 7 | null | 2014-05-01 03:38:33.823 UTC | 98 | 2022-09-21 06:53:39.03 UTC | 2015-01-05 02:44:14.237 UTC | null | 31,671 | null | 1,524,361 | null | 1 | 372 | git|github | 945,488 | <p>You fixed the push, but, independently of that push issue (which I explained in "<a href="https://stackoverflow.com/a/17096880/6309">Why do I need to explicitly push a new branch?</a>": <code>git push -u origin master</code> or <code>git push -u origin --all</code>), you need now to resolve the authentication issue.... |
5,502,688 | Using Markov chains (or something similar) to produce an IRC-bot | <p>I tried google and found little that I could understand.</p>
<p>I understand <a href="http://en.wikipedia.org/wiki/Markov_chain" rel="noreferrer">Markov chains</a> to a very basic level: It's a mathematical model that only depends on previous input to change states..so sort of a FSM with weighted random chances ins... | 5,502,971 | 3 | 0 | null | 2011-03-31 15:54:46.017 UTC | 15 | 2011-06-16 11:42:40.12 UTC | 2011-03-31 16:22:59.563 UTC | null | 166,749 | null | 407,879 | null | 1 | 20 | artificial-intelligence|nlp|markov-chains | 8,164 | <p>Yes, a Markov chain is a finite-state machine with probabilistic state transitions. To generate random text with a simple, first-order Markov chain:</p>
<ol>
<li>Collect bigram (adjacent word pair) statistics from a corpus (collection of text).</li>
<li>Make a markov chain with one state per word. Reserve a special... |
25,642,585 | How to check if object is null or not except == null | <p>I want to make method that will check if the class instance is null or not.</p>
<p>Simply I know that i can use <code>== null</code>, but I want to know that is there any other way that can be implemented to check if instance is null or not ?</p>
<p>I have nearly <code>70-80</code> class instance. & all that c... | 25,642,884 | 1 | 3 | null | 2014-09-03 10:58:35.083 UTC | 5 | 2014-09-03 11:34:10.003 UTC | null | null | null | null | 3,145,373 | null | 1 | 21 | java|null | 124,732 | <p>The easiest way to check is <code>entity == null</code>. There is no shorter way to do that.</p>
<p>Note that there is a method for this in the standard lib:</p>
<p><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Objects.html#isNull-java.lang.Object-" rel="noreferrer">Objects.isNull(Object obj)</a></p>... |
25,802,786 | Is there any way to recover recently deleted documents in MongoDB? | <p>I have removed some documents in my last query by mistake, Is there any way to rollback my last query mongo collection.</p>
<p>Here it is my last query :</p>
<pre><code> db.foo.remove({ "name" : "some_x_name"})
</code></pre>
<p>Is there any rollback/undo option? Can I get my data back?</p> | 25,809,807 | 2 | 3 | null | 2014-09-12 07:15:25.057 UTC | 10 | 2020-01-20 05:28:24.657 UTC | 2020-01-20 05:28:24.657 UTC | null | 3,835,758 | null | 3,835,758 | null | 1 | 33 | mongodb|rollback | 81,051 | <p>There is no rollback option (<a href="http://docs.mongodb.org/manual/core/replica-set-rollbacks/">rollback has a different meaning</a> in a MongoDB context), and strictly speaking there is no supported way to get these documents back - the precautions you can/should take are covered in the comments. With that said ... |
9,136,674 | Verify a method call using Moq | <p>I am fairly new to unit testing in C# and learning to use Moq. Below is the class that I am trying to test.</p>
<pre><code>class MyClass
{
SomeClass someClass;
public MyClass(SomeClass someClass)
{
this.someClass = someClass;
}
public void MyMethod(string method)
{
meth... | 9,136,721 | 1 | 5 | null | 2012-02-03 23:01:32.34 UTC | 24 | 2019-11-24 10:43:40.777 UTC | 2019-11-24 10:43:40.777 UTC | null | 4,551,041 | null | 591,410 | null | 1 | 214 | c#|testing|methods|moq | 283,596 | <p>You're checking the wrong method. Moq requires that you Setup (and then optionally Verify) the method in the dependency class.</p>
<p>You should be doing something more like this:</p>
<pre><code>class MyClassTest
{
[TestMethod]
public void MyMethodTest()
{
string action = "test";
Mock&l... |
18,588,927 | Elasticsearch 503 error when checking server status | <p>I've been using elasticsearch as a search engine for my Rails application, however it stopped working properly due to a reason i can't understand. When making a curl request to elasticsearch server i get a 503 error.</p>
<pre><code>curl -XGET http://localhost:9200
{
"ok" : true,
"status" : 503,
"name" : "Kill... | 21,629,814 | 4 | 1 | null | 2013-09-03 09:40:48.493 UTC | 4 | 2020-08-27 09:00:45.653 UTC | null | null | null | null | 1,022,108 | null | 1 | 28 | search|curl|full-text-search|elasticsearch|tire | 54,724 | <p>There could be another instance in your local network with elasticsearch server up and running. Since shards in elasticsearch are working from the box and enabled by default there could be a conflict of master node. Please review your elasticsearch.log file. If there is something like </p>
<pre><code>{"error":"Mast... |
18,544,359 | How to read user input into a variable in Bash? | <p>I'm trying to create a script that simplifies the process of creating a new user on an iOS device. Here are the steps broken down:</p>
<pre class="lang-bash prettyprint-override"><code>fullname="USER INPUT"
user="USER INPUT"
group=$user
uid=1000
gid=1000
home=/var/$user
echo "$group:*:$gid:$... | 18,546,416 | 5 | 0 | null | 2013-08-31 04:03:08.007 UTC | 40 | 2022-08-07 11:07:49.293 UTC | 2022-08-07 11:04:09.283 UTC | null | 775,954 | null | 2,602,638 | null | 1 | 162 | bash|shell | 220,330 | <p>Use <a href="https://wiki.bash-hackers.org/commands/builtin/read" rel="noreferrer"><code>read -p</code></a>:</p>
<pre><code># fullname="USER INPUT"
read -p "Enter fullname: " fullname
# user="USER INPUT"
read -p "Enter user: " user
</code></pre>
<p>If you like to get the user'... |
18,538,428 | Loading a .json file into c# program | <p>I am trying to move my website from XML based config files to JSON based ones. Is there a way to load in a <code>.json</code> file in so that it turns into the object? I have been searching the web and I cannot find one. I already have the <code>.xml</code> file converted and saved as a <code>.json</code>. I would r... | 18,538,469 | 6 | 5 | null | 2013-08-30 17:28:25.99 UTC | 4 | 2020-04-16 02:18:21.023 UTC | 2020-03-27 00:29:56.93 UTC | null | 1,127,428 | null | 2,654,083 | null | 1 | 51 | c#|json | 217,499 | <p>You <strong><em>really</em></strong> should use an established library, such as <a href="http://www.nuget.org/packages/NewtonSoft.Json/">Newtonsoft.Json</a> (which even Microsoft uses for frameworks such as MVC and WebAPI), or .NET's built-in <a href="http://msdn.microsoft.com/en-us/library/bb355316.aspx">Javascript... |
18,580,066 | How to Allow Remote Access to PostgreSQL database | <p>I have PostgreSQL 9.2 Installed in Windows 7 and I have windows XP installed in Virtual Machine, how do I connect these two databases and allow remote access to add/edit the database from both Systems ?</p> | 18,580,598 | 8 | 1 | null | 2013-09-02 20:05:38.643 UTC | 49 | 2022-02-08 10:08:58.957 UTC | null | null | null | null | 2,355,951 | null | 1 | 100 | windows|postgresql|virtual-machine | 224,899 | <p>In order to remotely access a PostgreSQL database, you must set the two main PostgreSQL configuration files:</p>
<p>postgresql.conf<br>
pg_hba.conf</p>
<p>Here is a brief description about how you can set them (note that the following description is purely indicative: To configure a machine safely, you must be fam... |
18,344,569 | setting ng-href in <tr> elements | <p>The following code makes the client.name an anchor on each client in clients. I am interested in having the entire <code><tr></code> element be that link however. <code>ng-href</code> does not work on the <code><tr></code> element.. what can I do so that the entire row is a single link instantiated by <c... | 18,344,639 | 9 | 2 | null | 2013-08-20 20:40:56.537 UTC | 3 | 2021-07-17 19:09:49.837 UTC | null | null | null | null | 759,466 | null | 1 | 19 | angularjs | 46,012 | <p>You can use an <a href="http://docs.angularjs.org/api/ng.directive:ngClick" rel="noreferrer">ng-click</a> (instead of onClick) as Jason suggests as well.</p>
<p>Something like:</p>
<p><strong>HTML</strong></p>
<pre><code><tr ng-repeat="client in clients" ng-click="showClient(client)">
<td><a ng... |
18,389,124 | Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL? | <p>I want to create a database which does not exist through JDBC. Unlike MySQL, PostgreSQL does not support <code>create if not exists</code> syntax. What is the best way to accomplish this?</p>
<p>The application does not know if the database exists or not. It should check and if the database exists it should be used... | 18,389,184 | 10 | 0 | null | 2013-08-22 19:21:08.99 UTC | 39 | 2021-08-03 21:21:51.433 UTC | 2013-09-16 18:24:11.217 UTC | null | 939,860 | null | 1,317,240 | null | 1 | 191 | sql|database|postgresql|jdbc|ddl | 210,174 | <h3>Restrictions</h3>
<p>You can ask the system catalog <a href="https://www.postgresql.org/docs/current/catalog-pg-database.html" rel="noreferrer"><code>pg_database</code></a> - accessible from any database in the same database cluster. The tricky part is that <a href="https://www.postgresql.org/docs/current/sql-creat... |
15,007,637 | Deleting carriage returns caused by line reading | <p>I have a list:</p>
<pre><code>Cat
Dog
Monkey
Pig
</code></pre>
<p>I have a script:</p>
<pre><code>import sys
input_file = open('list.txt', 'r')
for line in input_file:
sys.stdout.write('"' + line + '",')
</code></pre>
<p>The output is:</p>
<pre><code>"Cat
","Dog
","Monkey
","Pig",
</code></pre>
<p>I'd like... | 15,007,662 | 3 | 0 | null | 2013-02-21 16:41:40.34 UTC | 3 | 2013-02-21 16:50:32.937 UTC | null | null | null | null | 1,721,444 | null | 1 | 26 | python|python-2.7 | 74,995 | <p><a href="http://docs.python.org/2/library/stdtypes.html#str.rstrip" rel="noreferrer">str.rstrip</a> or simply <a href="http://docs.python.org/2/library/stdtypes.html#str.strip" rel="noreferrer">str.strip</a> is the right tool to split carriage return (newline) from the data read from the file. Note str.strip will st... |
14,954,220 | How to check if obtained homography matrix is good? | <p>This question was already <a href="https://stackoverflow.com/questions/11053099/how-can-you-tell-if-a-homography-matrix-is-acceptable-or-not">asked</a>, but I still don't get it. I obtain a homography matrix by calling <code>cv::findHomography</code> from a set of points. I need to check whether it's relevant or not... | 14,965,352 | 2 | 1 | null | 2013-02-19 09:37:27.51 UTC | 19 | 2017-02-08 10:46:14.423 UTC | 2017-05-23 10:30:49.723 UTC | null | -1 | null | 609,063 | null | 1 | 29 | opencv|image-processing|computer-vision|homography|ransac | 15,520 | <p>Your question is mathematical. Given a matrix of 3x3 decide whether it represents a good rigid transformation.
It is hard to define what is "good" but here are some clues that can help you</p>
<ol>
<li>Homography should preserve the direction of polygonal points. Design a simple test. points (0,0), (imwidth,0), (wi... |
15,085,118 | PrettyPrint python into a string, and not stdout | <p>I'd like to use prettyprint to print out a dictionary, but into a string and not to console.
This string is to be passed on to other functions.</p>
<p>I know I can use the "stream" parameter to specify a file instead of sys.out but I want a string.</p>
<p>How do I do that?</p> | 15,085,170 | 3 | 5 | null | 2013-02-26 09:09:15.513 UTC | 4 | 2013-02-26 10:42:24.72 UTC | null | null | null | null | 1,724,926 | null | 1 | 40 | python | 15,196 | <p>Just use the <a href="http://docs.python.org/2/library/stringio.html" rel="nofollow"><code>StringIO</code> module</a>:</p>
<pre><code>import StringIO
output = StringIO.StringIO()
</code></pre>
<p>Now you may pass <code>output</code> as a stream to <code>prettyprint</code>.</p> |
28,099,683 | Algorithm for dependency resolution | <p>I'm in the process of writing a package manager, and for that I want the dependency resolution to be as powerful as possible.</p>
<p>Each package has a list of versions, and each version contains the following information:</p>
<ul>
<li>A comparable ID</li>
<li><strong>Dependencies</strong> (a list of packages and ... | 28,102,139 | 1 | 2 | null | 2015-01-22 22:17:02.93 UTC | 17 | 2015-01-23 02:38:24.487 UTC | null | null | null | null | 953,222 | null | 1 | 27 | algorithm|dependency-management | 12,461 | <h2>It's NP-hard</h2>
<p>Some bad news: This problem is NP-hard, so unless P=NP, there is no algorithm that can efficiently solve all instances of it. I'll prove this by showing how to convert, in polynomial time, any given instance of the NP-hard problem <a href="http://en.wikipedia.org/wiki/Boolean_satisfiability_p... |
45,021,644 | Is there way to determine why Azure App Service restarted? | <p>I have a bunch of websites running on a single instance of Azure App Service, and they're all set to Always On. They all suddenly restarted at the same time, causing everything to go slow for a few minutes as everything hit a cold request. </p>
<p>I would expect this if the service had moved me to a new host, but t... | 45,242,214 | 2 | 9 | null | 2017-07-10 21:10:38.603 UTC | 21 | 2022-04-02 10:45:58.11 UTC | null | null | null | null | 32,187 | null | 1 | 40 | azure|azure-web-app-service | 15,213 | <p>So, it seems the answer to this is "no, you can't really know <em>why</em>, you can just infer that it <em>did</em>."</p>
<p>I mean, you can add some Application Insights logging like</p>
<pre><code> private void Application_End()
{
log.Warn($"The application is shutting down because of... |
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