id int64 4 73.8M | title stringlengths 10 150 | body stringlengths 17 50.8k | accepted_answer_id int64 7 73.8M | answer_count int64 1 182 | comment_count int64 0 89 | community_owned_date stringlengths 23 27 ⌀ | creation_date stringlengths 23 27 | favorite_count int64 0 11.6k ⌀ | last_activity_date stringlengths 23 27 | last_edit_date stringlengths 23 27 ⌀ | last_editor_display_name stringlengths 2 29 ⌀ | last_editor_user_id int64 -1 20M ⌀ | owner_display_name stringlengths 1 29 ⌀ | owner_user_id int64 1 20M ⌀ | parent_id null | post_type_id int64 1 1 | score int64 -146 26.6k | tags stringlengths 1 125 | view_count int64 122 11.6M | answer_body stringlengths 19 51k |
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2,226,227 | Embedded C++ : to use exceptions or not? | <p>I realize this may be subjective, so will ask a concrete question, but first, background: </p>
<p>I have always been an embedded software engineer, but usually at Layer 3 or 2 of the OSI stack. I am not really a hardware guy. I have generally always done telecoms products, usually hand/cell-phones, which generally... | 2,226,262 | 5 | 9 | null | 2010-02-09 01:46:56.687 UTC | 18 | 2022-07-30 16:09:17.313 UTC | 2010-02-09 01:50:33.97 UTC | null | 59,111 | null | 192,910 | null | 1 | 48 | c++|exception|exception-handling|embedded | 17,414 | <p>In terms of performance, my understanding is that exceptions actually reduce the size and increase the performance of the <em>normal</em> execution paths of code, but make the exceptional/error paths more expensive. (often a <em>lot</em> more expensive). </p>
<p>So if your only concern is performance, I would say d... |
1,641,580 | What is data oriented design? | <p>I was reading <a href="http://gamesfromwithin.com/data-oriented-design" rel="noreferrer">this article</a>, and this guy goes on talking about how everyone can greatly benefit from mixing in data oriented design with OOP. He doesn't show any code samples, however.</p>
<p>I googled this and couldn't find any real inf... | 2,021,868 | 6 | 3 | null | 2009-10-29 04:13:33.353 UTC | 133 | 2022-08-22 20:16:00.36 UTC | 2017-02-03 00:14:30.53 UTC | null | 792,066 | null | 49,018 | null | 1 | 208 | data-oriented-design | 94,869 | <p>First of all, don't confuse this with data-driven design.</p>
<p>My understanding of Data-Oriented Design is that it is about organizing your data for efficient processing. Especially with respect to cache misses etc. Data-Driven Design on the other hand is about letting data control a lot of the behavior of your pr... |
1,420,724 | cobertura on maven multi module project | <p>I have a Maven project with 4 modules - 3 of them contain code and some tests (testing equals and hashcode of the classes) whereas the 4th module is for testing the 3 other modules.</p>
<p>Now I want to run the cobertura code coverage tool to get an overview which classes are well tested and which are not. I did so... | 18,282,605 | 7 | 0 | null | 2009-09-14 10:21:54.143 UTC | 5 | 2019-05-30 12:45:22.493 UTC | 2012-05-31 09:53:12.87 UTC | null | 65,542 | null | 65,542 | null | 1 | 30 | maven-2|cobertura | 19,792 | <p>As of version 2.6, there is an aggregate option that can be set to true in the parent pom:</p>
<pre><code><reporting>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
<version>2.6</version>
... |
1,543,481 | How to convert String object to Date object? | <p>How can I convert a String object to a Date object?</p>
<p>I think I need to do something like this:</p>
<pre><code>Date d=(some conversion ) "String "
</code></pre>
<p>Any help would be greatly appreciated.</p> | 1,543,487 | 8 | 0 | null | 2009-10-09 12:28:27.737 UTC | 2 | 2017-05-22 12:17:27.897 UTC | 2011-11-08 05:41:54.867 UTC | user166390 | null | null | 96,180 | null | 1 | 10 | java|date | 38,576 | <pre><code> SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");
Date date = dateFormat.parse("1.1.2001");
</code></pre>
<p>For details refer to: <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/text/SimpleDateFormat.html" rel="nofollow noreferrer">SimpleDateFormat documentation</a></p> |
2,227,702 | PHP mailer error | <p>I tried to use php mailer but errors as follows.</p>
<pre><code>SMTP -> FROM SERVER:
SMTP -> FROM SERVER:
SMTP -> ERROR: EHLO not accepted from server:
SMTP -> FROM SERVER:
SMTP -> ERROR: HELO not accepted from server:
SMTP -> ERROR: AUTH not accepted from server:
SMTP -> NOTICE: EOF caught whi... | 2,228,063 | 9 | 1 | null | 2010-02-09 08:32:21.67 UTC | 3 | 2015-11-06 06:36:36.133 UTC | 2013-04-20 05:37:34.987 UTC | null | 166,476 | null | 166,476 | null | 1 | 10 | php|phpmailer | 58,283 | <p>Some servers (especially shared hosting) will block you from using SSL with SMTP, I had the same problem once.</p>
<p>Either change host if you can, try using the default PHP mail() function or send through another mail server that does not require SSL e.g. port 25 not 465.</p>
<p>Something like <a href="http://ww... |
2,007,357 | How to set DOM element as first child? | <p>I have an element E and I'm appending some elements to it. All of a sudden, I find out that the next element to append should be the first child of E. What's the trick, how to do it? Method unshift doesn't work because E is an object, not array.</p>
<p>Long way would be to iterate through E's children and to move'em... | 2,007,473 | 9 | 1 | null | 2010-01-05 16:19:40.37 UTC | 49 | 2022-06-17 04:17:03.923 UTC | 2022-06-17 04:17:03.923 UTC | null | 1,402,846 | null | 83,910 | null | 1 | 356 | javascript|jquery|arrays|dom|element | 298,474 | <pre><code>var eElement; // some E DOM instance
var newFirstElement; //element which should be first in E
eElement.insertBefore(newFirstElement, eElement.firstChild);
</code></pre> |
1,602,451 | C++ valarray vs. vector | <p>I like vectors a lot. They're nifty and fast. But I know this thing called a valarray exists. Why would I use a valarray instead of a vector? I know valarrays have some syntactic sugar, but other than that, when are they useful?</p> | 1,602,594 | 9 | 3 | null | 2009-10-21 17:53:31.017 UTC | 57 | 2022-04-02 16:22:05.83 UTC | 2016-07-22 19:21:39.55 UTC | null | 2,411,320 | null | 72,631 | null | 1 | 180 | c++|stl|stdvector|c++-standard-library|valarray | 62,888 | <p>Valarrays (value arrays) are intended to bring some of the speed of Fortran to C++. You wouldn't make a valarray of pointers so the compiler can make assumptions about the code and optimise it better. (The main reason that Fortran is so fast is that there is no pointer type so there can be no pointer aliasing.)</p>
... |
1,903,453 | What disadvantages are there to the <button> tag? | <p>I started using a diagnostic css stylesheet, e.g.
<a href="http://snipplr.com/view/6770/css-diagnostics--highlight-deprecated-html-with-css--more/" rel="nofollow noreferrer">http://snipplr.com/view/6770/css-diagnostics--highlight-deprecated-html-with-css--more/</a></p>
<p>One of the suggested rules highlights input... | 2,205,598 | 11 | 7 | null | 2009-12-14 20:59:07.383 UTC | 15 | 2019-01-17 03:25:07.75 UTC | 2018-12-30 03:22:55.527 UTC | null | 69,993 | null | 69,993 | null | 1 | 64 | css|button|tags|internet-explorer-7|diagnostics | 33,516 | <p>Answering from an ASP.NET perspective.</p>
<p>I was excited when I found <a href="https://stackoverflow.com/questions/187482/how-can-i-use-the-button-tag-with-asp-net">this question</a> and some code for a ModernButton control, which, in the end, is a <code><button></code> control.</p>
<p>So I started adding... |
1,861,294 | How to Calculate Execution Time of a Code Snippet in C++ | <p>I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines.</p>
<p>I use code the following code to do this. (import before)</p>
<pre><code>clock_t startTime = clock();
// some code here
// to compute its execution duration in runtime
cout << dou... | 1,861,337 | 18 | 7 | null | 2009-12-07 16:56:07.237 UTC | 62 | 2021-03-09 20:37:39.58 UTC | 2014-08-03 13:09:59.433 UTC | null | 1,009,479 | null | 54,929 | null | 1 | 127 | c++|benchmarking | 175,753 | <p>You can use this function I wrote. You call <code>GetTimeMs64()</code>, and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like <code>time(NULL)</code>, except in milliseconds.</p>
<p>It works on both windows and linux; it is thread safe.</p>
<p>Note that the g... |
17,833,674 | Sass ampersand, select immmediate parent? | <p>Is there a way in Sass to use the ampersand to select the immediate parent, rather than the parent selector of the entire group? For example:</p>
<pre><code>.wrapper{
background-color: $colour_nav_bg;
h1{
color: $colour_inactive;
.active &{
color: red;
}
}
}
</cod... | 17,842,684 | 6 | 3 | null | 2013-07-24 12:11:11.643 UTC | 6 | 2021-01-16 07:07:49.65 UTC | 2013-07-24 13:47:37.477 UTC | null | 1,026,353 | null | 963,903 | null | 1 | 39 | sass | 22,788 | <p>As of this writing, there is no Sass selector for the direct parent instead of the root parent of an element. There is <code>&</code> which (as you know) selects the root parent. There are also <code>%</code> <a href="http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#placeholder_selectors_" rel="norefe... |
6,642,599 | How to add new button to order view in Magento admin panel? | <p>How to add custom button to order view page near "Back" and "Edit"?</p> | 25,565,340 | 4 | 0 | null | 2011-07-10 17:21:13.647 UTC | 9 | 2014-08-29 09:22:12.907 UTC | null | null | null | null | 748,779 | null | 1 | 24 | magento|button|admin | 30,818 | <p>Instead of core hacks or rewrites, just use an observer to add the button to the order:</p>
<pre><code><adminhtml>
<events>
<adminhtml_widget_container_html_before>
<observers>
<your_module>
<class>your_module/observer&l... |
11,172,956 | How do I know if a specific twitter user is online or not? | <p>How do I know if a specific twitter user is currently online by writing programs? Is there any API or data field in the web page showing this information? Both browsing Twitter webpage and using Twitter app are considered "online".</p> | 11,173,464 | 4 | 0 | null | 2012-06-23 21:01:59.57 UTC | 1 | 2020-02-21 19:15:26.217 UTC | 2012-06-23 21:11:39.627 UTC | null | 1,042,359 | null | 1,042,359 | null | 1 | 2 | twitter | 72,253 | <p>Although this information is not readily available, you can do a work around. Make use of Twitter's Streaming API: <a href="https://dev.twitter.com/docs/streaming-apis/streams/public" rel="nofollow">https://dev.twitter.com/docs/streaming-apis/streams/public</a> (have a read through this document).</p>
<p>You'll mos... |
23,603,735 | attempting to reference a deleted function | <p>I'm trying to learn about the fstream class and I'm having some trouble. I created a couple of txt files, one with a joke and the other with a punchline (joke.txt) and (punchline.txt) just for the sake of reading in and displaying content. I ask the user for the file name and if found it should open it up, clear the... | 23,603,847 | 1 | 3 | null | 2014-05-12 07:55:27.443 UTC | 2 | 2019-07-14 10:01:58.2 UTC | 2018-02-21 20:37:10.757 UTC | null | 2,881,149 | null | 2,881,149 | null | 1 | 21 | c++|string|function|fstream|ifstream | 87,122 | <p>You do call a deleted function, being the copy constructor of the class <code>std::ifstream</code>.</p>
<p>If you take a look <a href="http://www.cplusplus.com/reference/fstream/ifstream/ifstream/">at the reference</a> you notice, that the copy constructor is not allowed.</p>
<p>so instead of using:</p>
<pre><cod... |
18,338,908 | Determining proxy server/port | <p>I apologize if this is a simplistic question, I am not familiar with this kind of thing.</p>
<p>I am trying to determine my proxy server ip and port number in order to use a google calendar syncing program. I downloaded the proxy.pac file using google chrome. The last line reads:</p>
<pre><code>return "PROXY proxy... | 21,248,806 | 2 | 1 | null | 2013-08-20 15:20:53.667 UTC | 1 | 2017-03-28 06:02:24.673 UTC | null | null | null | null | 2,700,426 | null | 1 | 2 | proxy|pac | 38,209 | <p>Are you using the Windows operating system? </p>
<p>You can press <kbd>Win</kbd>+<kbd>R</kbd>, input "cmd" in the run box, you will get the "command Prompt", then input the following command and press <kbd>Enter</kbd>.</p>
<p>command 1</p>
<pre><code>ipconfig /all | find /i "Dns Suffix"
</code></pre>
<p>it will... |
15,812,191 | Set JFrame to center of Screen in NetBeans | <p>I am developing a java swing desktop application
with NetBeans and I want to set the JFrame to the centre of the screen.</p>
<p>from the net I understand that I can use </p>
<pre><code>setLocationRelativeTo(null);
</code></pre>
<p>to set the frame to the centre
But i am unable to insert the code into the NetBea... | 15,812,361 | 9 | 2 | null | 2013-04-04 13:09:55.607 UTC | 2 | 2018-08-01 18:52:59.87 UTC | 2018-08-01 18:52:59.87 UTC | null | 9,991,599 | null | 2,213,170 | null | 1 | 9 | java|swing|jframe|netbeans-7 | 80,662 | <p>Is <code>setVisible()</code> on generated code? Strange. Anyway, you can right click the <code>JFrame</code> in <code>Navigator</code> and select <code>Properties</code>. Go to <code>Code</code> and select it to do nothing. Then manually insert you code after <code>initComponents()</code> in the <code>JFrame</code> ... |
19,284,012 | Python SQLAlchemy Query: AttributeError: 'Connection' object has no attribute 'contextual_connect' | <p>I am trying to follow this <a href="http://docs.sqlalchemy.org/en/rel_0_8/orm/tutorial.html" rel="noreferrer">tutorial</a> from <code>SQLAlchemy</code> on how to create entries in and query a MYSQL database in python. When I try and query the database for the first time following along in their <a href="http://docs.... | 19,284,123 | 2 | 2 | null | 2013-10-09 22:36:49.38 UTC | 1 | 2019-03-11 12:37:56.54 UTC | 2013-10-09 23:35:45.263 UTC | null | 2,327,821 | null | 2,327,821 | null | 1 | 12 | python|mysql|database|orm|sqlalchemy | 38,811 | <p>You must bind the session to a SQLAlchemy engine, not directly to a MySQLDb connection object.</p>
<pre><code>engine = create_engine("mysql://user:password@host/dbname")
Session.configure(bind=engine)
</code></pre>
<p>(You can remove your <code>db1</code> variable.)</p>
<p>From the tutorial:</p>
<blockquote>
<... |
40,167,038 | Using Realm in React Native app with Redux | <p>I am about to undertake the development of a React Native app and am thoroughly convinced of the benefits of managing the app's state using Redux, however I'd like to make the app's data available whilst offline by using Realm for persistent storage. What I'm wondering is how Redux will play with Realm?</p>
<p>The ... | 42,073,959 | 1 | 4 | null | 2016-10-21 01:38:19.28 UTC | 3 | 2017-02-06 17:49:17.773 UTC | null | null | null | null | 2,987,737 | null | 1 | 29 | sqlite|react-native|redux|realm|asyncstorage | 7,528 | <p>The redux store is good when you have only react components dealing with the data. The store is a good way to maintain your application's state. For example, you do not need Realm to store the current login status or flags indicating whether the user has skipped login. The redux store wins the game here.</p>
<p>On ... |
27,474,764 | Changing fontsize in python subplots | <p>I have made a phase plot of a bistable stable, with the nulclines on the main graph and have added a subplot with the trajectories overlaying it. However, no matter what I try, I cannot seem to get the x and y labels to increase in font size to 20.</p>
<p>Any help would be greatly appreciated.</p>
<p>Although ther... | 27,475,301 | 2 | 2 | null | 2014-12-14 22:16:29.403 UTC | 4 | 2014-12-14 23:34:03.517 UTC | 2014-12-14 23:25:25.643 UTC | null | 95,852 | null | 4,132,451 | null | 1 | 15 | python|matplotlib|font-size|subplot | 76,993 | <p>Here are the changes I made to the last bit of your code:</p>
<pre><code>fig = plt.figure(figsize=(6,6)) # 6x6 image
ax = plt.gca() #SubplotZero(fig,111,) #Plot arrows over figure
#fig.add_subplot(ax) # Plot arrows over figure
# Plot both nulcines on same graph
plt.axis((0,1,0,1))
ax.set_title('v = 1',fon... |
51,159,010 | How do I upgrade "keras" from 1.2.0 to 2.0.0? | <p>I am running an image classifier but it keeps producing the error </p>
<blockquote>
<p>Keras loaded from keras Python module v1.2.0, however version 2.0.0 is required. Please update the keras Python package.
Error in py_call_impl(callable, dots$args, dots$keywords) :
TypeError: <strong>init</strong>() got ... | 51,159,501 | 5 | 6 | null | 2018-07-03 16:10:39.17 UTC | 0 | 2020-09-06 11:44:18.66 UTC | 2018-07-03 16:24:22.053 UTC | null | 10,027,843 | null | 10,027,843 | null | 1 | 3 | python|r|keras | 42,222 | <p>Try to uninstall the keras first:</p>
<pre><code>pip uninstall keras
</code></pre>
<p>then install it :</p>
<pre><code>pip install keras==version_number
</code></pre> |
4,985,917 | cocos2d-iOS - Gesture recognisers | <p>Has anyone managed to get the gesture recognition working in cocos-2d?</p>
<p>I have read a post here that claimed to have achieved it, here: <a href="http://www.cocos2d-iphone.org/forum/topic/8929" rel="noreferrer">http://www.cocos2d-iphone.org/forum/topic/8929</a></p>
<p>I patched from the git hub here: <a href=... | 5,019,536 | 2 | 0 | null | 2011-02-13 18:13:06.61 UTC | 12 | 2012-03-15 09:15:20.223 UTC | null | null | null | null | 296,446 | null | 1 | 9 | iphone|cocos2d-iphone | 14,788 | <p>You need to attach the gesture recognizer to something "up the chain". Don't attach them to the individual nodes; attach them to the UIView (i.e., [[CCDirector sharedDirector] openGLView]).</p>
<p>Here's what I did:</p>
<pre><code>- (UIPanGestureRecognizer *)watchForPan:(SEL)selector number:(int)tapsRequired {
... |
5,292,184 | Merging multiple branches with git | <p>I have 2 local branches called "develop" and "master"; they are similar. On my company's server there's one "main" repo (production) and several branches that were made by other developers:</p>
<pre>
$ git branch -a
* develop
master
remotes/origin/HEAD -> origin/master
remotes/origin/some-test
remotes/origi... | 5,292,267 | 2 | 0 | null | 2011-03-13 20:33:11.523 UTC | 17 | 2018-10-03 02:04:40.563 UTC | 2018-10-03 02:04:40.563 UTC | null | 9,598,095 | null | 598,717 | null | 1 | 30 | git|merge|rebase | 55,698 | <ol>
<li><code>git checkout master</code></li>
<li><code>git pull origin feature1 feature2</code></li>
<li><code>git checkout develop</code></li>
<li><code>git pull . master</code> (or maybe <code>git rebase ./master</code>)</li>
</ol>
<p>The first command changes your current branch to <code>master</code>.</p>
<p>Th... |
1,088,752 | How to programmatically discover mapped network drives on system and their server names? | <p>I'm trying to find out how to programmatically (I'm using C#) determine the name (or i.p.) of servers to which my workstation has current maps. In other words, at some point in Windows Explorer I mapped a network drive to a drive letter (or used "net use w: " to map it). I know how to get the network drives on the... | 1,088,905 | 7 | 1 | null | 2009-07-06 19:14:03.78 UTC | 16 | 2015-10-21 10:38:50.157 UTC | null | null | null | null | 16,964 | null | 1 | 28 | c#|.net|windows | 51,974 | <p>Have you tried to use WMI to do it?</p>
<pre><code>using System;
using System.Management;
using System.Windows.Forms;
public static void Main()
{
try
{
var searcher = new ManagementObjectSearcher(
"root\\CIMV2",
"SELECT * FROM Win32_MappedLogicalDisk");
foreach (M... |
244,183 | How to display a loading screen while site content loads | <p>I'm working on a site which contains a whole bunch of mp3s and images, and I'd like to display a loading gif while all the content loads. </p>
<p>I have no idea how to achieve this, but I do have the animated gif I want to use. </p>
<p>Any suggestions?</p> | 244,190 | 7 | 0 | null | 2008-10-28 17:52:25.167 UTC | 34 | 2017-04-14 15:27:29.497 UTC | 2014-04-25 14:06:45.63 UTC | null | 1,366,033 | null | 27,171 | null | 1 | 31 | javascript|html|css|loading|pageload | 175,507 | <p>Typically sites that do this by loading content via ajax and listening to the <code>readystatechanged</code> event to update the DOM with a loading GIF or the content.</p>
<p>How are you currently loading your content?</p>
<p>The code would be similar to this:</p>
<pre class="lang-js prettyprint-override"><code>f... |
475,804 | SVG Word Wrap - Show stopper? | <p>For fun I am trying to see how far I can get at implementing an SVG browser client for a RIA I'm messing around with in my spare time.</p>
<p>But have hit what appears to be a HUGE stumbling block. There is no word wrap!!</p>
<p>Does anyone know of any work around (I'm thinking some kind of JavaScript or special t... | 475,813 | 8 | 0 | null | 2009-01-24 09:44:36.287 UTC | 12 | 2022-02-26 20:54:50.097 UTC | 2011-07-14 07:31:58.22 UTC | null | 213,269 | ChrisInCambo | 37,196 | null | 1 | 24 | svg|word-wrap | 35,328 | <p>Per this <a href="http://apike.ca/prog_svg_text.html" rel="noreferrer">document</a>, it appears that <b>tspan</b> can give the illusion of word wrap:</p>
<blockquote>
<p>The tspan tag is identical to the text tag but can be nested inside text tags and inside itself. Coupled with the 'dy' attribute this allows the... |
647,074 | How to make Linux C++ GUI apps | <p>What is the easiest way to make Linux C++ GUI apps? I'm using GNOME and ubuntu 8.10.</p> | 647,075 | 8 | 0 | null | 2009-03-15 01:27:29.263 UTC | 13 | 2011-02-09 15:25:54.423 UTC | 2010-02-16 00:35:50.89 UTC | null | 56,555 | Lucas Aardvark | 56,555 | null | 1 | 24 | c++|user-interface|ubuntu|gnome | 54,445 | <p>I personally prefer QT as I prefer working with the signal/slots mechanism and just find it easy to develop applications quickly with it. Some of your other options would be wxWidgets and GTK+.</p> |
942,251 | In C/C++ why does the do while(expression); need a semi colon? | <p>My guess is it just made parsing easier, but I can't see exactly why.</p>
<p>So what does this have ...</p>
<pre><code>do
{
some stuff
}
while(test);
more stuff
</code></pre>
<p>that's better than ...</p>
<pre><code>do
{
some stuff
}
while(test)
more stuff
</code></pre> | 942,261 | 8 | 0 | null | 2009-06-02 22:31:17.47 UTC | 9 | 2014-06-09 18:42:37.347 UTC | null | null | null | null | 53,120 | null | 1 | 34 | c++|c|language-design | 13,155 | <p>Because you're ending the statement. A statement ends either with a block (delimited by curly braces), or with a semicolon. "do this while this" is a single statement, and can't end with a block (because it ends with the "while"), so it needs a semicolon just like any other statement.</p> |
531,621 | How to make a simple hyperlink in XAML? | <p>All I want to do is make a little hyperlink in XAML. I've tried everything. I give up.</p>
<p>What is the syntax for this?</p>
<pre><code><StackPanel Width="70" HorizontalAlignment="Center">
<Hyperlink Click="buttonClose_Click" Cursor="Hand"
Foreground="#555" Width="31" Margin="0 0 0 15"
... | 536,559 | 8 | 3 | null | 2009-02-10 09:22:02.43 UTC | 13 | 2018-10-15 00:42:29.703 UTC | 2009-02-10 09:28:13.867 UTC | Edward Tanguay | 4,639 | Edward Tanguay | 4,639 | null | 1 | 58 | wpf|xaml|hyperlink | 89,943 | <p>You can use a Button with a custom control template, the code below is a limited hyperlink style button (for example it only support textual hyperlinks) but maybe it'll point you in the right direction.</p>
<pre><code><Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http:/... |
1,094,269 | What's the purpose of git-mv? | <p>From what I understand, Git doesn't really need to track <em>file</em> rename/move/copy operations, so what's the real purpose
of <a href="https://git-scm.com/docs/git-mv" rel="noreferrer"><code>git mv</code></a>? The man page isn't specially descriptive...</p>
<p>Is it obsolete? Is it an internal command, not meant... | 1,094,392 | 8 | 0 | null | 2009-07-07 19:22:06.633 UTC | 70 | 2021-08-08 05:37:44.007 UTC | 2021-01-16 09:23:47.557 UTC | null | 1,108,305 | null | 21,239 | null | 1 | 373 | git|git-mv | 160,607 | <pre><code>git mv oldname newname
</code></pre>
<p>is just shorthand for:</p>
<pre><code>mv oldname newname
git add newname
git rm oldname
</code></pre>
<p>i.e. it updates the index for both old and new paths automatically.</p> |
37,030 | How to best implement software updates on windows? | <p>I want to implement an "automatic update" system for a windows application.
Right now I'm semi-manually creating an <a href="http://connectedflow.com/appcasting/" rel="noreferrer">"appcast"</a> which my program checks, and notifies the user that a new version is available. (I'm using
<a href="http://nsis.sourcefo... | 37,035 | 9 | 0 | null | 2008-08-31 18:57:29.05 UTC | 24 | 2013-03-04 06:38:45.843 UTC | null | null | null | dF | 3,002 | null | 1 | 23 | windows|installation | 7,885 | <p>There is no solution quite as smooth as Sparkle (that I know of).</p>
<p>If you need an easy means of deployment and updating applications, <a href="http://en.wikipedia.org/wiki/ClickOnce" rel="noreferrer">ClickOnce</a> is an option. Unfortunately, it's inflexible (e.g., no per-machine installation instead of per-u... |
1,151,658 | Python hashable dicts | <p>As an exercise, and mostly for my own amusement, I'm implementing a backtracking packrat parser. The inspiration for this is i'd like to have a better idea about how hygenic macros would work in an algol-like language (as apposed to the syntax free lisp dialects you normally find them in). Because of this, differe... | 1,151,705 | 9 | 2 | 2009-07-21 00:08:46.513 UTC | 2009-07-20 04:04:30.27 UTC | 51 | 2015-04-16 12:37:02.353 UTC | 2015-04-13 10:47:03.087 UTC | null | 336,527 | null | 65,696 | null | 1 | 115 | python | 82,569 | <p>Here is the easy way to make a hashable dictionary. Just remember not to mutate them after embedding in another dictionary for obvious reasons.</p>
<pre><code>class hashabledict(dict):
def __hash__(self):
return hash(tuple(sorted(self.items())))
</code></pre> |
154,185 | What is object marshalling? | <p>I have heard this concept used frequently, but I don't have a really good grasp of what it is.</p> | 154,201 | 10 | 1 | null | 2008-09-30 17:49:10.907 UTC | 18 | 2021-02-19 11:23:56.45 UTC | 2013-01-08 14:47:16.297 UTC | Rich B | 527,702 | Brian G | 3,208 | null | 1 | 64 | marshalling|terminology|glossary | 32,941 | <p>Converting an object in memory into a format that can be written to disk, or sent over the wire, etc. </p>
<p><a href="http://en.wikipedia.org/wiki/Marshalling_(computer_science)" rel="noreferrer">Wikipedia's description</a>.</p> |
779,016 | Is it possible to specify a starting number for an ordered list? | <p>I have a ordered list where I would like the initial number to be 6. I found that this was <a href="http://www.w3schools.com/TAGS/tag_ol.asp" rel="noreferrer">supported</a> (now deprecated) in HTML 4.01. In this specification they say that you can specify the starting integer by using CSS. (instead of the <code>star... | 779,052 | 10 | 1 | null | 2009-04-22 20:19:52.717 UTC | 13 | 2022-02-16 21:34:50.167 UTC | 2015-06-30 10:08:51.88 UTC | null | 502,381 | null | 72,113 | null | 1 | 134 | html|css|html-lists | 111,566 | <p>If you need the functionality to start an ordered list (OL) at a specific point, you'll have to specify your doctype as HTML 5; which is:</p>
<pre><code><!doctype html>
</code></pre>
<p>With that doctype, it is valid to set a <code>start</code> attribute on an ordered list. Such as:</p>
<p><div class="snipp... |
227,545 | How can I get "Copy to Output Directory" to work with Unit Tests? | <p>When I build a unit test project before the tests are executed the test output is copied to a TestResults folder and then the tests are executed. The issue I'm having is that not all the files in the Debug/bin directory are copied to the TestResults project.</p>
<p>How can I get a file that is copied to the Debug/... | 227,713 | 11 | 0 | null | 2008-10-22 21:06:27.767 UTC | 29 | 2018-10-27 19:38:14.503 UTC | 2015-09-30 08:55:58.067 UTC | spoon16 | 411,718 | spoon16 | 3,957 | null | 1 | 128 | c#|.net|visual-studio-2008|unit-testing|mstest | 73,886 | <p>The standard way to do this is by specifying the <a href="http://msdn.microsoft.com/en-us/library/ms182473.aspx" rel="noreferrer" title="MSDN: Team System Test Deployment">deployment items</a> in the <em><code>.testrunconfig</code></em> file, which can be accessed via the <em>Edit Test Run Configurations</em> item i... |
722,980 | Is there a better Windows command-line shell? | <p>CMD.EXE is posing lots of problems for me. I have Cygwin installed and use bash regularly, and I also have the mingwin bash shell that comes with mSysGit, but sometimes I really do need to run things from the Windows shell.</p>
<p>Is there a replacement for the Windows shell that:</p>
<ul>
<li>has a persistent co... | 723,181 | 12 | 3 | null | 2009-04-06 20:06:11.977 UTC | 15 | 2013-05-23 04:17:20.937 UTC | 2017-05-23 12:33:18.493 UTC | null | -1 | null | 18,103 | null | 1 | 33 | windows|shell|cmd | 30,722 | <p>I've always liked 4NT (haven't used it for a while now).</p>
<p>It's an enhanced command interpreter for windows, and it's mostly backwards compatible (meaning you can run normal windows batchfiles). The only reason not to use it is that it doesn't ship with Windows like the default command.exe does.</p>
<p>Compared... |
517,355 | String formatting in Python | <p>I want to do something like <code>String.Format("[{0}, {1}, {2}]", 1, 2, 3)</code> which returns:</p>
<pre><code>[1, 2, 3]
</code></pre>
<p>How do I do this in Python?</p> | 517,471 | 14 | 1 | null | 2009-02-05 18:53:29.103 UTC | 11 | 2022-06-27 17:28:52.837 UTC | 2022-06-27 17:15:39.127 UTC | Niyaz | 8,172,439 | Joan Venge | 51,816 | null | 1 | 42 | python|python-3.x|string|formatting|python-2.x | 100,456 | <p>The previous answers have used % formatting, which is being phased out in Python 3.0+. Assuming you're using Python 2.6+, a more future-proof formatting system is described here:</p>
<p><a href="http://docs.python.org/library/string.html#formatstrings" rel="noreferrer">http://docs.python.org/library/string.html#fo... |
472,000 | Usage of __slots__? | <p>What is the purpose of <a href="https://docs.python.org/3/reference/datamodel.html#slots" rel="noreferrer"><code>__slots__</code></a> in Python — especially with respect to when I would want to use it, and when not?</p> | 28,059,785 | 14 | 0 | null | 2009-01-23 05:37:23.087 UTC | 513 | 2022-09-11 06:46:47.553 UTC | 2019-05-02 11:23:24.527 UTC | Roger Pate | 2,956,066 | Jeb | 31,830 | null | 1 | 1,104 | python|oop|python-internals|slots | 320,070 | <blockquote>
<h1>In Python, what is the purpose of <code>__slots__</code> and what are the cases one should avoid this?</h1>
</blockquote>
<h2>TLDR:</h2>
<p>The special attribute <a href="https://docs.python.org/3/reference/datamodel.html#slots" rel="noreferrer"><code>__slots__</code></a> allows you to explicitly state... |
360,643 | Is it a bad practice to have multiple classes in the same file? | <p>I used to have one class for one file. For example <em>car.cs</em> has the class <em>car</em>. But as I program more classes, I would like to add them to the same file. For example <em>car.cs</em> has the class <em>car</em> and the <em>door</em> class, etc.</p>
<p>My question is good for Java, C#, PHP or any other ... | 360,656 | 15 | 0 | null | 2008-12-11 19:50:37.303 UTC | 13 | 2018-02-03 23:16:24.55 UTC | 2018-02-03 23:16:24.55 UTC | mdb | 4,389,437 | Pokus | 21,386 | null | 1 | 89 | file|class|oop|language-agnostic | 54,064 | <p>I think you should try to keep your code to 1 class per file.</p>
<p>I suggest this because it will be easier to find your class later. Also, it will work better with your source control system (if a file changes, then you know that a particular class has changed). </p>
<p>The only time I think it's correct to use... |
1,309,728 | Best way to do a PHP switch with multiple values per case? | <p>How would you do this PHP switch statement?</p>
<p>Also note that these are much smaller versions, the 1 I need to create will have a lot more values added to it.</p>
<p>Version 1: </p>
<pre><code>switch ($p) {
case 'home':
case '':
$current_home = 'current';
break;
case 'users.onlin... | 1,309,872 | 16 | 3 | null | 2009-08-21 01:52:38.023 UTC | 24 | 2021-09-08 19:29:23.957 UTC | 2012-02-06 15:39:07.25 UTC | null | 143,030 | null | 143,030 | null | 1 | 76 | php|switch-statement | 213,479 | <p>For any situation where you have an unknown string and you need to figure out which of a bunch of <em>other</em> strings it matches up to, the only solution which doesn't get slower as you add more items is to use an array, but have all the possible strings as keys. So your switch can be replaced with the following:... |
424,800 | What is the best way to get the minimum or maximum value from an Array of numbers? | <p>Let's say I have an Array of numbers: <code>[2,3,3,4,2,2,5,6,7,2]</code></p>
<p>What is the best way to find the minimum or maximum value in that Array?</p>
<p>Right now, to get the maximum, I am looping through the Array, and resetting a variable to the value if it is greater than the existing value:</p>
<pre><c... | 426,538 | 17 | 3 | null | 2009-01-08 15:57:19.57 UTC | 20 | 2018-10-24 16:27:47.257 UTC | 2012-11-24 08:39:07.193 UTC | Aryabhatta | 184,572 | Eric Belair | 31,298 | null | 1 | 41 | algorithm|actionscript-3|apache-flex|actionscript|complexity-theory | 163,553 | <p>The theoretical answers from everyone else are all neat, but let's be pragmatic. ActionScript provides the tools you need so that you don't even have to write a loop in this case!</p>
<p>First, note that <code>Math.min()</code> and <code>Math.max()</code> can take any number of arguments. Also, it's important to un... |
191,364 | Quick unix command to display specific lines in the middle of a file? | <p>Trying to debug an issue with a server and my only log file is a 20GB log file (with no timestamps even! Why do people use <code>System.out.println()</code> as logging? In production?!)</p>
<p>Using grep, I've found an area of the file that I'd like to take a look at, line 347340107.</p>
<p>Other than doing someth... | 191,385 | 19 | 2 | null | 2008-10-10 13:51:18.32 UTC | 88 | 2022-05-30 10:02:24.833 UTC | 2016-04-27 09:11:46.14 UTC | matt b | 7,028 | matt b | 4,249 | null | 1 | 240 | linux|bash|unix|text | 420,919 | <p>with GNU-grep you could just say </p>
<pre>grep --context=10 ...</pre> |
215,548 | What's the hardest or most misunderstood aspect of LINQ? | <p>Background: Over the next month, I'll be giving three talks about or at least including <code>LINQ</code> in the context of <code>C#</code>. I'd like to know which topics are worth giving a fair amount of attention to, based on what people may find hard to understand, or what they may have a mistaken impression of. ... | 215,562 | 42 | 11 | 2009-06-04 12:12:37.373 UTC | 2008-10-18 20:47:40.003 UTC | 261 | 2011-08-04 08:50:01.047 UTC | 2009-06-27 13:50:26.3 UTC | John Sheehan | 16,853 | Jon Skeet | 22,656 | null | 1 | 282 | c#|linq|c#-3.0 | 50,490 | <p>Delayed execution</p> |
6,424,301 | Using a SELECT statement within a WHERE clause | <pre><code>SELECT * FROM ScoresTable WHERE Score =
(SELECT MAX(Score) FROM ScoresTable AS st WHERE st.Date = ScoresTable.Date)
</code></pre>
<p>Is there a name to describe using a SELECT statement within a WHERE clause? Is this good/bad practice?</p>
<p>Would this be a better alternative?</p>
<pre><code>SELECT Sc... | 6,424,322 | 7 | 5 | null | 2011-06-21 11:09:12.063 UTC | 3 | 2016-03-02 03:42:51.213 UTC | 2011-06-21 12:51:15.937 UTC | null | 808,261 | null | 808,261 | null | 1 | 14 | sql|select|where-clause | 118,025 | <p>It's called correlated subquery. It has it's uses.</p> |
6,687,580 | Header changes as you scroll down (jQuery) | <p>TechCrunch recently redesigned their site and they have a sweet header that minifies into a thinner version of their branding as you scroll down.</p>
<p>You can see what I mean here: <a href="http://techcrunch.com/" rel="noreferrer">http://techcrunch.com/</a></p>
<p>How would I go about creating something like thi... | 6,687,664 | 7 | 0 | null | 2011-07-14 01:41:53.18 UTC | 16 | 2014-09-12 14:42:15.513 UTC | null | null | null | null | 843,750 | null | 1 | 20 | jquery | 40,798 | <p>It's not too hard, it's just a simple <a href="http://api.jquery.com/scroll/"><code>.scroll()</code></a> event. <strike>I can't seem to do it in fiddle because of the way the panels are positioned</strike> <strong>Check EDIT!</strong>. But basically what you have is have a <code>div</code> on the top that is <cod... |
41,370,560 | In Javadocs, how should I write plural forms of singular Objects in <code> tags? | <p>I have a class named <code>Identity</code>. In my javadoc comments I am referencing it as a plural. I can think of two solutions: change the reference to <code><code>Identities</code></code> or <code><code>Identity</code></code>s. Neither of these feel correct, and I'm wondering if there's a ... | 41,370,725 | 5 | 1 | null | 2016-12-28 22:24:00.087 UTC | 6 | 2020-06-10 09:27:06.267 UTC | 2016-12-29 00:55:23.247 UTC | null | 2,518,200 | null | 4,756,763 | null | 1 | 41 | java|javadoc|grammar | 2,724 | <p>Use a "...(s)" style plural label, with a <a href="http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#link" rel="noreferrer"><code>{@link}</code></a> to the class:</p>
<pre><code>/**
* Returns an {@link IdentityBank} of {@link Identity Identity(s)} with the given sex.
*/
</code></pre>
<p... |
15,884,309 | PostgreSQL Full Text Search and Trigram Confusion | <p>I'm a little bit confused with the whole concept of PostgreSQL, full text search and Trigram. In my full text search queries, I'm using tsvectors, like so:</p>
<pre><code>SELECT * FROM articles
WHERE search_vector @@ plainto_tsquery('english', 'cat, bat, rat');
</code></pre>
<p>The problem is, this method doesn't ... | 15,884,833 | 1 | 0 | null | 2013-04-08 16:30:33.377 UTC | 12 | 2013-04-08 18:55:14.71 UTC | 2013-04-08 18:55:14.71 UTC | null | 939,860 | null | 456,850 | null | 1 | 46 | postgresql|full-text-search|pattern-matching | 9,142 | <p>They serve very different purposes. </p>
<ul>
<li>Full Text Search is used to return documents that match a search query of stemmed words.</li>
<li>Trigrams give you a method for comparing two strings and determining how similar they look.</li>
</ul>
<p>Consider the following examples:</p>
<pre><code>SELECT 'cat'... |
35,402,862 | This certificate has an invalid issuer : Keychain marks all certificates as "Invalid Issuer" | <p>Keychain shows all the certificates as Invalid in my keychain suddenly, as it working before 2 days and i also check in Developer portal and it shows valid there. It marks each and every certificate in Keychain as <strong>"This certificate has invalid issuer"</strong> . As message suggesting that it must be problem ... | 35,403,096 | 1 | 5 | null | 2016-02-15 06:32:21.94 UTC | 15 | 2016-08-10 20:05:03 UTC | 2016-02-15 17:56:26.463 UTC | null | 3,045,336 | null | 3,045,336 | null | 1 | 70 | ios|xcode|certificate|ssl-certificate|keychain | 47,350 | <p>In Keychain access,
-> View -> Show Expired Certificates, then in your login keychain click on expired certificate and delete it. I also had the same expired certificate in my System keychain, so I deleted it from there too.</p>
<p>-> After deleting the expired cert from the login and System keychains,download ce... |
22,856,635 | How do I make a div link open in a new tab Javascript onClick="window.location | <p>I created a range of social media buttons which when the mouse hovers it switches to a different image (giving it a highlight effect). The images work as I want them to, however, I can't seem to figure out how to load the page into a new tab/screen. I need to implement the equivalent of . </p>
<p>Assuming I have to... | 22,856,728 | 2 | 3 | null | 2014-04-04 07:45:43.167 UTC | 2 | 2019-08-21 07:44:48.027 UTC | null | null | null | null | 3,249,472 | null | 1 | 14 | javascript|html|css | 47,560 | <p><code>onclick="window.open('http://google.pl', '_blank');"</code></p> |
13,503,840 | What is the code to exit/ stop VBscript from running in the event of a condition not being met? | <p>I have looked on Google and the answer is not there! </p>
<p>First things first. WScript.Quit DOES NOT WORK! I have no idea what "WScript" is but it clearly has nothing to do with client side scripting for a web page. I have seen this "WScript" thing somewhere before and it just produces errors (maybe obsolete or s... | 13,631,660 | 5 | 3 | null | 2012-11-21 23:40:14.79 UTC | 2 | 2020-07-17 10:06:48.273 UTC | 2012-11-22 21:04:16.4 UTC | null | 1,778,482 | null | 1,778,482 | null | 1 | 8 | vbscript | 78,354 | <p>You can use something like this:</p>
<pre><code>Sub MyFunc
----------
My Code
----------
End Sub
Function Main
On Error Resume Next
MyFunc
If Err.Number <> 0
Exit Function
End Function
</code></pre>
<p>It'll stop executing the code, the point it finds an exception or throws an error.</p> |
13,617,843 | "unary operator expected" error in Bash if condition | <p>This script is getting an error:</p>
<pre><code>elif [ $operation = "man" ]; then
if [ $aug1 = "add" ]; then # <- Line 75
echo "Man Page for: add"
echo ""
echo "Syntax: add [number 1] [number 2]"
echo ""
echo "Descrip... | 13,618,376 | 6 | 3 | null | 2012-11-29 02:22:47.243 UTC | 69 | 2022-07-05 23:33:57.647 UTC | 2021-05-14 16:52:43.633 UTC | null | 3,474,146 | null | 1,832,837 | null | 1 | 314 | bash|shell | 523,486 | <p>If you know you're always going to use Bash, it's much easier to always use the double bracket conditional compound command <code>[[ ... ]]</code>, instead of the POSIX-compatible single bracket version <code>[ ... ]</code>. Inside a <code>[[ ... ]]</code> compound, word-splitting and pathname expansion are not appl... |
13,242,414 | Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax | <p>I'm trying to pass an array of objects into an MVC controller method using
jQuery's ajax() function. When I get into the PassThing() C# controller method,
the argument "things" is null. I've tried this using a type of List for
the argument, but that doesn't work either. What am I doing wrong?</p>
<pre><code><scr... | 13,255,459 | 16 | 4 | null | 2012-11-06 00:01:08.24 UTC | 50 | 2022-06-28 11:00:05.743 UTC | 2012-11-06 00:56:25.127 UTC | null | 727,208 | null | 705,132 | null | 1 | 129 | c#|asp.net-mvc|jquery | 354,600 | <p>Using NickW's suggestion, I was able to get this working using <code>things = JSON.stringify({ 'things': things });</code> Here is the complete code.</p>
<pre><code>$(document).ready(function () {
var things = [
{ id: 1, color: 'yellow' },
{ id: 2, color: 'blue' },
{ id: 3, color: 'red' ... |
51,656,838 | __attribute__((weak)) and static libraries | <p>I wanted to introduce a weak symbol into my code, however, I am unable to comprehend its behavior when *.a files are used. </p>
<p>This is my minimal example:</p>
<p><i>file a.h:</i></p>
<pre><code>void foo() __attribute__((weak));
</code></pre>
<p><i>file a.c:</i></p>
<pre><code>#include "a.h"
#include <std... | 51,970,423 | 2 | 5 | null | 2018-08-02 15:04:30.633 UTC | 15 | 2020-02-14 07:41:26.29 UTC | 2018-08-17 09:59:12.853 UTC | null | 9,702,768 | null | 9,702,768 | null | 1 | 22 | c++|g++ | 28,764 | <p>To explain what's going on here, let's talk first about your original source files, with</p>
<p><strong>a.h (1)</strong>:</p>
<pre><code>void foo() __attribute__((weak));
</code></pre>
<p>and:</p>
<p><strong>a.c (1)</strong>:</p>
<pre><code>#include "a.h"
#include <stdio.h>
void foo() { printf("%s\n", __... |
23,974,639 | Bootstrap 3 modal responsive | <p>I have a modal but it's not resizing on smaller screens ( tablets, etc ). Is there a way to make it responsive ? Couldn't find any information on bootstrap docs. Thanks</p>
<p>I update my html code: ( its inside a django for loop )</p>
<pre><code> <div class="modal fade " id="{{ p.id }}" tabindex="-1" role="... | 30,873,219 | 6 | 4 | null | 2014-05-31 21:27:20.613 UTC | 3 | 2021-04-19 16:20:14.333 UTC | 2020-02-25 13:02:56.01 UTC | null | 1,438,038 | null | 1,579,883 | null | 1 | 25 | html|css|twitter-bootstrap-3 | 104,986 | <p>I had the same issue I have resolved by adding a media query for @screen-xs-min in less version under Modals.less</p>
<pre><code>@media (max-width: @screen-xs-min) {
.modal-xs { width: @modal-sm; }
}
</code></pre> |
3,491,721 | LINQ to Entities - Where IN clause in query | <blockquote>
<p><strong>Possible Duplicates:</strong><br>
<a href="https://stackoverflow.com/questions/857973/linq-to-entities-sql-in-clause">Linq to Entities - Sql “IN” clause</a><br>
<a href="https://stackoverflow.com/questions/2973755/how-to-implement-sql-in-in-entity-framework-4-0">How to implemen... | 3,491,736 | 2 | 0 | null | 2010-08-16 08:49:08.31 UTC | 4 | 2010-08-16 08:52:47.75 UTC | 2017-05-23 10:30:46.267 UTC | null | -1 | null | 97,010 | null | 1 | 18 | c#|sql|entity-framework | 57,543 | <p>Use <code>Contains</code>:</p>
<pre><code>int[] ids = { 1, 2, 3, 4, 5};
var query = db.myTable.Where(item => ids.Contains(item.ID));
</code></pre>
<p>or in query syntax:</p>
<pre><code>int[] ids = { 1, 2, 3, 4, 5};
var query = from item in db.myTable
where ids.Contains(item.ID)
select... |
3,689,925 | struct sockaddr_un vs. sockaddr | <p>How is <code>struct sockaddr</code> different from <code>struct sockaddr_un</code> ?</p>
<p>I know that we use these structures in client-server modules, for binding the socket to the socket address. And we use a cast operator for it to accept struct <code>sockaddr_un</code>.</p>
<p>I want to know how different/si... | 3,689,966 | 2 | 0 | null | 2010-09-11 05:32:48.307 UTC | 8 | 2018-12-19 09:48:14.727 UTC | 2018-12-19 09:48:14.727 UTC | null | 72,882 | null | 425,094 | null | 1 | 38 | c|linux|sockets|struct|client-server | 36,647 | <p>"struct sockaddr" is a generic definition. It's used by any socket function that requires an address.</p>
<p>"struct sockaddr_un" (a "Unix sockets" address) is a specific kind of address family.</p>
<p>The more commonly seen "struct sockaddr_in" (an "Internet socket" address) is another specific kind of address f... |
3,549,713 | Controller helper_method | <p>I was wondering why someone should use helper_method inside a controller to create a helper method, instead of creating the "normal" way, which is inside the helper file. What the pros and cons of that?</p> | 3,549,739 | 2 | 0 | null | 2010-08-23 16:43:48.75 UTC | 13 | 2013-07-31 13:33:33.2 UTC | null | null | null | null | 370,927 | null | 1 | 44 | ruby-on-rails|ruby-on-rails-3 | 23,350 | <p><code>helper_method</code> is useful when the functionality is something that's used between both the controller and the view. A good example is something like <code>current_user</code>.</p>
<p>If the method deals more with controller logic and not formatting then it belongs in the controller. Something like <code>... |
9,182,428 | Force Internet Explorer 9 to use IE 9 Mode | <p>I'm using the HTML5 doctype with X-UA-Compatible meta tag near the top:</p>
<pre><code><!DOCTYPE html>
<!--[if lt IE 7]> <html lang="en-us" class="ie6"> <![endif]-->
<!--[if IE 7]> <html lang="en-us" class="ie7"> <![endif]-->
<!--[if IE 8]> <html lang="en-us"... | 9,182,704 | 7 | 2 | null | 2012-02-07 19:18:07.53 UTC | 10 | 2014-12-15 13:44:26.343 UTC | null | null | null | null | 188,740 | null | 1 | 19 | internet-explorer|internet-explorer-9|cross-browser|doctype | 54,279 | <p>It turns out that the solution is to set X-UA-Compatible in the HTTP header and not in the HTML:</p>
<pre><code> X-UA-Compatible: IE=edge,chrome=1
</code></pre>
<p>This will force Internet Explorer to use the latest rendering engine, even if "Display all websites in Compatibility View" is turned on.</p> |
9,055,015 | Difference between accessing cell elements using curly braces and parentheses | <p>What is the difference between accessing elements in a cell array using parentheses <code>()</code> and curly braces <code>{}</code>?</p>
<p>For example, I tried to use <code>cell{4} = []</code> and <code>cell(4) = []</code>. In the first case it sets the 4<sup>th</sup> element to <code>[]</code>, but in the secon... | 9,055,336 | 2 | 2 | null | 2012-01-29 17:12:19.3 UTC | 16 | 2018-05-22 09:38:02.19 UTC | 2018-05-22 09:38:02.19 UTC | null | 3,924,118 | null | 729,294 | null | 1 | 29 | matlab|cell-array | 25,766 | <p>Think of cell array as a regular homogenic array, whose elements are all <code>cell</code>s. Parentheses (<code>()</code>) simply access the <code>cell</code> wrapper object, while accessing elements using curly bracers (<code>{}</code>) gives the actual object contained within the cell.</p>
<p>For example, </p>
<... |
29,424,944 | RecyclerView itemClickListener in Kotlin | <p>I'm writing my first app in Kotlin after 3 years of experience with Android.
Just confused as to how to utilize itemClickListener with a RecyclerView in Kotlin.</p>
<p>I have tried the trait (edit: now interface) approach, very Java-like</p>
<pre><code>public class MainActivity : ActionBarActivity() {
protected... | 29,428,715 | 24 | 3 | null | 2015-04-03 01:19:33.037 UTC | 22 | 2022-09-09 11:03:57.807 UTC | 2018-02-06 16:23:36.527 UTC | null | 507,142 | null | 507,142 | null | 1 | 85 | android|android-recyclerview|kotlin | 152,797 | <p>I have a little bit different approach. You can create an extension for your ViewHolder</p>
<pre><code>fun <T : RecyclerView.ViewHolder> T.listen(event: (position: Int, type: Int) -> Unit): T {
itemView.setOnClickListener {
event.invoke(getAdapterPosition(), getItemViewType())
}
return ... |
16,440,661 | Declaration is incompatible with type | <p>header file:</p>
<pre><code>#ifndef H_bankAccount;
#define H_bankAccount;
class bankAccount
{
public:
string getAcctOwnersName() const;
int getAcctNum() const;
double getBalance() const;
virtual void print() const;
void setAcctOwnersName(string);
void setAcctNum(int);
void setBalance(... | 16,440,705 | 3 | 2 | null | 2013-05-08 12:26:45.09 UTC | 2 | 2022-03-22 17:16:44.36 UTC | null | null | null | null | 2,362,280 | null | 1 | 15 | c++|string|types | 61,798 | <p>You need to </p>
<pre><code>#include <string>
</code></pre>
<p>in your <code>bankAccount</code> header file, and refer to the strings as <code>std::string</code>.</p>
<pre><code>#ifndef H_bankAccount;
#define H_bankAccount;
#include <string>
class bankAccount
{
public:
std::string getAcctOwnersN... |
16,552,710 | How do you get the start and end addresses of a custom ELF section? | <p>I'm working in C on Linux. I've seen the usage of of the gcc <a href="http://gcc.gnu.org/onlinedocs/gcc/Variable-Attributes.html" rel="noreferrer"><code>__section__</code> attribute</a> (especially in the Linux kernel) to collect data (usually function pointers) into custom ELF sections. How is the "stuff" that gets... | 16,552,711 | 5 | 2 | null | 2013-05-14 20:57:00.44 UTC | 12 | 2022-03-30 10:40:17.227 UTC | 2019-03-09 03:53:21.693 UTC | null | 608,639 | null | 209,050 | null | 1 | 23 | c|gcc|elf | 18,866 | <p>As long as the section name results in a valid C variable name, <code>gcc</code> (<code>ld</code>, rather) generates two magic variables: <code>__start_SECTION</code> and <code>__stop_SECTION</code>. Those can be used to retrieve the start and end addresses of a section, like so:</p>
<pre><code>/**
* Assuming you'v... |
16,377,432 | benefit of using angular js on top of asp.net mvc | <p>Is there much point to using angular js on top of asp.net mvc since they're kind of both doing the same thing? What are the advantages to using angular over asp.net mvc + jquery? What kind of scenario would you pick angular in? If you do pick angular in a microsoft environment, what would you run on the server si... | 16,381,080 | 3 | 5 | null | 2013-05-04 18:11:30.913 UTC | 10 | 2013-09-12 06:41:33.367 UTC | null | null | null | null | 155,909 | null | 1 | 46 | asp.net-mvc|angularjs | 15,766 | <p>On my site <a href="http://www.reviewstoshare.com">http://www.reviewstoshare.com</a>, I am using AngularJS along with ASP.NET MVC. <strong>The main reason I did not go all the way with AngularJS was that SEO is not easily achieved with AngularJS.</strong>
Keep in mind that my site was already built using ASP.MVC + ... |
16,205,778 | What are Maven goals and phases and what is their difference? | <p>What is the difference/relation between Maven goals and phases? How they are related to each other?</p> | 16,205,812 | 8 | 2 | null | 2013-04-25 03:16:23.603 UTC | 181 | 2020-10-12 07:37:05.06 UTC | 2016-08-31 19:13:06.83 UTC | null | 1,743,880 | null | 1,031,863 | null | 1 | 373 | maven | 299,293 | <p>Goals are executed in phases which help determine the order goals get executed in. The best understanding of this is to look at the <a href="http://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html#Built-in_Lifecycle_Bindings" rel="noreferrer">default Maven lifecycle bindings</a> which shows w... |
24,880,430 | Azure Blob Storage vs. File Service | <p>Please correct my wrongs. From my reading on the topic so far, it appears to me that both, Azure Blob Storage and File Service offer the ability to store file(s) and folder(s) (I understand that blobs can store any binary object, but any serialized binary stream is just a file at the end of the day) in a hierarchica... | 24,880,544 | 3 | 7 | null | 2014-07-22 06:36:21.917 UTC | 34 | 2017-09-28 00:31:34.66 UTC | null | null | null | null | 303,685 | null | 1 | 157 | azure|azure-storage|azure-blob-storage | 71,742 | <p>A few items for your question:</p>
<ol>
<li>You can't mount Azure Blob Storage as a native share on a virtual machine.</li>
<li>Azure Blob Storage isn't hierarchical beyond containers. You can add files that have / or \ characters in them that are interpreted as folders by many apps that read blob storage.</li>
<l... |
22,317,951 | Export html table data to Excel using JavaScript / JQuery is not working properly in chrome browser | <p>I have a HTML table in velocity template. I want to export the html table data to excel using either java script or jquery, comatibale with all browser.
I am using below script </p>
<pre><code><script type="text/javascript">
function ExportToExcel(mytblId){
var htmltable= document.getElementById('my-t... | 24,081,343 | 16 | 2 | null | 2014-03-11 06:22:13.867 UTC | 78 | 2022-08-02 05:09:53.363 UTC | 2019-05-16 06:31:23.24 UTC | null | 3,980,621 | null | 2,085,703 | null | 1 | 121 | javascript|jquery|html|excel|google-chrome | 685,645 | <p>Excel export script works on IE7+, Firefox and Chrome.</p>
<pre><code>function fnExcelReport()
{
var tab_text="<table border='2px'><tr bgcolor='#87AFC6'>";
var textRange; var j=0;
tab = document.getElementById('headerTable'); // id of table
for(j = 0 ; j < tab.rows.length ; j++)
... |
26,852,922 | Inspect webkit-input-placeholder with developer tools | <p>It's possible to style a text input's placeholder with the following:</p>
<pre class="lang-css prettyprint-override"><code>-webkit-input-placeholder {
color: red;
}
</code></pre>
<p>I am looking at a website online and I would like to use the same placeholder color as they do. Is it possible to figure out what c... | 26,853,319 | 2 | 3 | null | 2014-11-10 21:01:16.953 UTC | 51 | 2022-01-07 18:22:01.46 UTC | 2022-01-07 18:22:01.46 UTC | null | 1,526,037 | null | 633,438 | null | 1 | 321 | html|css | 77,087 | <p>I figured it out.</p>
<p>The trick is to enable 'Show user agent shadow DOM' in the Settings panel of Chrome Developer Tools:</p>
<p><img src="https://i.imgur.com/bVq5voX.png" alt="enter image description here" /></p>
<p>To get to settings, click the Gear icon at the top right of your Dev Tools panel, then make sure... |
19,485,004 | Android app Key Hash doesn't match any stored key hashes | <p>I have an application on production on Play Store which uses a login with the Facebook SDK.
When I debug the application from Eclipse there is no problem, but when its on production it gives me the following error after Facebook asks me for the permissions.
I have added on my app page on developers.facebook.com the ... | 19,499,368 | 14 | 4 | null | 2013-10-21 01:39:55.477 UTC | 15 | 2021-10-05 07:22:54.503 UTC | 2017-04-16 04:29:34.303 UTC | null | 1,033,581 | null | 799,979 | null | 1 | 33 | android|facebook-android-sdk | 53,059 | <p>Facebook some how replaces +,- and / with _</p>
<p>So just try replacing _ with +, - and / and add that hash-key.</p>
<p>Hopefully it should work.</p> |
21,506,195 | Prevent overlapping elements in CSS | <p>This question has been asked before, however each situation is unique. I have a screenshot of a website that has a login box (registration box) with a sticky note on the side to tell the users what information to enter. </p>
<p>Screenshot below:</p>
<p><img src="https://i.stack.imgur.com/1AQgO.png" alt="enter imag... | 21,506,858 | 3 | 13 | null | 2014-02-02 02:04:43.643 UTC | null | 2014-02-02 04:00:00.967 UTC | 2014-02-02 02:43:18.273 UTC | null | 1,614,936 | null | 1,614,936 | null | 1 | 2 | html|css | 57,071 | <p>Try this <a href="http://jsfiddle.net/ab5KN/" rel="nofollow">http://jsfiddle.net/ab5KN/</a></p>
<p>HTML:</p>
<pre><code><body>
<div class="img">
<img src="http://rye-high.ca/images/logo.png" />
</div>
<div class="sticky">
<p> <strong>Please Note</strong>
... |
17,567,176 | How to call a function inside $(document).ready | <p>Im trying to debug my web app that uses <code>jQuery.</code></p>
<p>In firebug im calling functions inside the $(document).ready..</p>
<pre><code> function val() { console.log('validated outside doc.ready'); }
$(document).ready(function()
{
console.log('document ready...');
function validate() { consol... | 17,567,235 | 4 | 2 | null | 2013-07-10 09:33:59.453 UTC | 5 | 2021-10-15 01:02:49.167 UTC | null | null | null | null | 692,228 | null | 1 | 35 | jquery|debugging|firebug | 106,707 | <p>You are not calling a function like that, you just <strong>define</strong> the function.</p>
<p>The correct approach is to define the function outside <code>document.ready</code> and call it inside:</p>
<pre><code>// We define the function
function validate(){
console.log('validated!');
}
$(document).ready(func... |
17,490,716 | Lifetimes in Rust | <p>Occasionally I've found myself wanting to write functions that can be called in either of two ways:</p>
<pre><code>// With a string literal:
let lines = read_file_lines("data.txt");
// With a string pointer:
let file_name = ~"data.txt";
let lines = read_file_lines(file_name);
</code></pre>
<p>My first guess was t... | 17,493,553 | 1 | 1 | null | 2013-07-05 14:00:43.117 UTC | 15 | 2016-09-08 14:22:12.917 UTC | 2016-09-08 14:22:12.917 UTC | null | 1,870,153 | null | 259,747 | null | 1 | 68 | rust|lifetime | 13,424 | <p><em>Update 2015-05-16</em>: the code in the original question applied to an old version of Rust, but the concepts remain the same. This answer has been updated to use modern Rust syntax/libraries. (Essentially changing <code>~[]</code> to <code>Vec</code> and <code>~str</code> to <code>String</code> and adjusting th... |
17,493,738 | What is a TypeScript Map file? | <p>I have seen <code>.map</code> files for TypeScript. What I want to know is what these files are for. Do they contain references to other files referenced in the .ts file?</p> | 17,493,808 | 3 | 0 | null | 2013-07-05 17:00:55.073 UTC | 7 | 2020-07-28 11:57:36.8 UTC | 2013-12-27 15:33:12.497 UTC | null | 913,707 | null | 991,788 | null | 1 | 104 | typescript | 45,166 | <p>.map files are source map files that let tools map between the emitted JavaScript code and the TypeScript source files that created it. Many debuggers (e.g. Visual Studio or Chrome's dev tools) can consume these files so you can debug the TypeScript file instead of the JavaScript file.</p>
<p>This is the same sourc... |
26,063,877 | Python multiprocessing module: join processes with timeout | <p>I'm doing an optimization of parameters of a complex simulation. I'm using the multiprocessing module for enhancing the performance of the optimization algorithm. The basics of multiprocessing I learned at <a href="http://pymotw.com/2/multiprocessing/basics.html" rel="nofollow noreferrer">http://pymotw.com/2/multipr... | 26,064,238 | 3 | 2 | null | 2014-09-26 16:12:20.963 UTC | 6 | 2021-09-14 15:07:21.293 UTC | 2021-09-14 15:05:58.15 UTC | null | 6,630,397 | null | 4,083,929 | null | 1 | 16 | python|timeout|python-multiprocessing | 38,301 | <p>You can do this by creating a loop that will wait for some timeout amount of seconds, frequently checking to see if all processes are finished. If they don't all finish in the allotted amount of time, then terminate all of the processes:</p>
<pre class="lang-py prettyprint-override"><code>TIMEOUT = 5
start = time.... |
5,054,057 | PHP include in a cron job | <p>I'm trying to setup a PHP file as a cron job, where that PHP file includes other PHP files.</p>
<p>The file itself is located at /var/www/vhosts/domain.com/httpdocs/app/protected/classes/cron/runner.php</p>
<p>The include file is at
/var/www/vhosts/domain.com/httpdocs/app/protected/config.php</p>
<p>How do I inc... | 5,054,064 | 4 | 1 | null | 2011-02-19 22:51:55.17 UTC | 9 | 2017-07-01 09:50:59.553 UTC | null | null | null | null | 471,628 | null | 1 | 7 | php|cron | 11,611 | <p>Your cron should change the working directory before running PHP:</p>
<pre><code>cd /var/www/vhosts/domain.com/httpdocs/app/protected/classes/cron/ && /usr/bin/php -q runner.php
</code></pre>
<p>Note that if the directory does not exist, PHP will not run runner.php.</p> |
43,274,925 | Development server of create-react-app does not auto refresh | <p>I am following a <a href="https://egghead.io/courses/react-fundamentals" rel="noreferrer">tutorial</a> on React using create-react-app.
The application is created by <a href="https://github.com/facebookincubator/create-react-app" rel="noreferrer">create-react-app</a> v1.3.0</p>
<pre><code>create-react-app my-app
<... | 43,281,575 | 32 | 3 | null | 2017-04-07 09:47:25.723 UTC | 37 | 2022-09-15 08:03:55.973 UTC | null | null | null | null | 3,625,171 | null | 1 | 127 | javascript|reactjs|create-react-app | 164,199 | <p>Have you seen the “Troubleshooting” section of the User Guide?<br />
It describes <a href="https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md#npm-start-doesnt-detect-changes" rel="noreferrer">a few common causes of this problem</a>:</p>
<blockquote>
<p>When yo... |
9,363,827 | Building GPL C program with CUDA module | <p>I am attempting to modify a GPL program written in C. My goal is to replace one method with a CUDA implementation, which means I need to compile with nvcc instead of gcc. I need help building the project - not implementing it (You don't need to know anything about CUDA C to help, I don't think).</p>
<p>This is my f... | 9,369,408 | 1 | 4 | null | 2012-02-20 15:39:24.227 UTC | 9 | 2018-10-24 21:55:00.57 UTC | null | null | null | null | 124,593 | null | 1 | 12 | cuda|makefile|nvcc | 7,296 | <p>You don't need to compile everything with nvcc. Your guess that you can just compile your CUDA code with NVCC and leave everything else (except linking) is correct. Here's the approach I would use to start. </p>
<ol>
<li><p>Add a 1 new header (e.g. myCudaImplementation.h) and 1 new source file (with .cu extensio... |
9,575,122 | Can I assume that calling realloc with a smaller size will free the remainder? | <p>Let’s consider this very short snippet of code:</p>
<pre><code>#include <stdlib.h>
int main()
{
char* a = malloc(20000);
char* b = realloc(a, 5);
free(b);
return 0;
}
</code></pre>
<p>After reading the man page for realloc, I was not entirely sure that the second line would cause the 19995 ... | 9,575,348 | 5 | 4 | null | 2012-03-05 22:36:53.14 UTC | 9 | 2014-03-21 00:50:39.103 UTC | 2012-03-05 22:46:27.44 UTC | null | 748,175 | null | 748,175 | null | 1 | 35 | c|malloc|free|realloc | 29,383 | <p>Yes, guaranteed by the C Standard if the new object can be allocated.</p>
<blockquote>
<p>(C99, 7.20.3.4p2) "The realloc function deallocates the old object pointed to by ptr and returns a pointer to a new object that has the size specified by size."</p>
</blockquote> |
9,073,148 | glibc detected free(): invalid next size (fast) | <p>This code generates random numbers and then produces a histogram based on input to the functions regarding the intervals. "bins" represents the histogram intervals and "bin_counts" holds the number of random numbers in a given interval.</p>
<p>I've reviewed several of the posts dealing with similiar issues and I un... | 9,073,290 | 1 | 5 | null | 2012-01-31 01:08:32.57 UTC | null | 2012-01-31 01:28:01.13 UTC | null | null | null | null | 1,179,234 | null | 1 | 5 | c|linux|free|glibc | 39,613 | <pre><code>bins =(double*)malloc(nbins * sizeof(double));
bin_counts =(int*)malloc((nbins-1) * sizeof(int));
//create bins from intervals
for(j=0; j<=(nbins); j++)
{
bins[j] = m + (j*interval);
}
//generate "bin_counts[]" with all 0's
for(y=0; y<=(nbins-1); y++)
{
bin_counts[y] = 0;
}
</code></pre>
... |
18,605,563 | href must not reload | <p>I am testing the following link:</p>
<pre><code><a href="#">Link</a>
</code></pre>
<p>But, as expected, it reloads my current page. How can I prevent it from reloading the page, but maintaining the <em>-a-</em> tag assigned to it?</p>
<p>Thanks ;)</p> | 18,605,588 | 5 | 1 | null | 2013-09-04 04:46:00.98 UTC | 8 | 2021-12-24 13:23:48.48 UTC | null | null | null | null | 2,714,670 | null | 1 | 46 | html|hyperlink | 100,255 | <p>If you don't want it to behave like a link, then don't use a link tag. Doing so hurt accessibility of a page, and you don't want that. There are other ways of browsing a website than a browser (think about the screen readers), which relies on the semantics of the page elements. Use a <code>span</code> if you simply ... |
27,582,757 | Catch duplicate entry Exception | <p>How can i catch this Exception : </p>
<pre><code>com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException:
Duplicate entry '22-85' for key 'ID_CONTACT'
</code></pre> | 27,583,544 | 9 | 5 | null | 2014-12-20 17:48:03.713 UTC | 9 | 2021-04-04 11:33:13.273 UTC | 2018-04-05 10:05:52.89 UTC | null | 3,128,926 | null | 1,383,538 | null | 1 | 35 | java|mysql|hibernate|jpa|sqlexception | 115,975 | <p>I use spring so we resolve it by <code>org.springframework.dao.DataIntegrityViolationException</code></p>
<pre><code>try {
ao_history_repository.save(new AoHistory(..));
} catch (DataIntegrityViolationException e) {
System.out.println("history already exist");
}
</code></pre>
<p>But as <a href="https://sta... |
15,047,775 | Do Hask or Agda have equalisers? | <p>I was somewhat undecided as to whether this was a math.SE question or an SO one, but I suspect that mathematicians in general are fairly unlikely to know or care much about this category in particular, whereas Haskell programmers might well do.</p>
<p>So, we know that <strong>Hask</strong> has products, more or les... | 15,136,620 | 2 | 3 | null | 2013-02-24 01:44:19 UTC | 13 | 2013-02-28 14:26:40.697 UTC | null | null | null | null | 812,053 | null | 1 | 36 | haskell|agda|category-theory | 1,615 | <p><strong>tl;dr the proposed candidate is not quite an equaliser, but its irrelevant counterpart is</strong></p>
<p>The candidate for an equaliser in Agda looks good. So let's just try it. We'll need some basic kit. Here are my refusenik ASCII dependent pair type and homogeneous intensional equality.</p>
<pre><code>... |
38,270,661 | Displaying a YouTube video with iframe full width of page | <p>I've put a video in my site using an <code>iframe</code> from YouTube, while the <code>iframe</code> is full width (<code>100%</code>) the video is very small (height) within the frame. How do I make it fit the width of the container? </p>
<p>Code: </p>
<pre><code><iframe width="100%" height="100%" src="https:/... | 38,270,745 | 3 | 5 | null | 2016-07-08 15:42:11.313 UTC | 10 | 2021-04-23 02:13:22.743 UTC | 2017-07-05 00:24:44.973 UTC | null | 5,526,060 | null | 2,953,989 | null | 1 | 45 | html|css|iframe|youtube | 91,494 | <p>To make a You Tube Video full width and preserve the height (and keep it responsive) you can use the following setup.</p>
<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-css lang-css prettyprint-override"><code>.vide... |
8,217,742 | One to Many MySQL | <blockquote>
<p><strong>Possible Duplicate:</strong><br>
<a href="https://stackoverflow.com/questions/8216865/mysql-relationships">MySQL Relationships</a> </p>
</blockquote>
<p>I am trying to create a one to many relationship in MySQL with foreign keys.</p>
<p>Two tables, <code>user</code> and <code>location</... | 8,217,964 | 2 | 3 | null | 2011-11-21 19:57:58.577 UTC | 4 | 2020-12-11 11:02:32.87 UTC | 2017-05-23 12:09:33.837 UTC | null | -1 | null | 801,858 | null | 1 | 19 | mysql|database-design|foreign-keys|foreign-key-relationship | 86,713 | <p>MySQL does not know, nor does it need to know if a relationship is 1-1, or 1-many.<br />
No SQL supports many-many relationships, all require a intermediate table which splits a many-many relationship into 2 separate 1-many.</p>
<p>The difference is in the logic that controls the relationships, which is in the code ... |
23,594,266 | r package KernSmooth copyright | <p>I am new to R. Was able to install a package called KernSmooth using R console. Is there a place where I can figure out the copyright info for KernSmooth? Below is what I did. </p>
<pre><code>> install.packages("KernSmooth")
--- Please select a CRAN mirror for use in this session ---
trying URL 'http://mir... | 25,799,293 | 4 | 12 | null | 2014-05-11 15:10:52.213 UTC | 3 | 2018-06-26 19:54:48.547 UTC | 2016-05-22 07:33:49.353 UTC | null | 4,533,771 | null | 3,621,202 | null | 1 | 15 | r | 70,979 | <p>If you just want to view the copyright, after you install the package, do a library() call</p>
<pre><code>> library(KernSmooth)
KernSmooth 2.23 loaded
Copyright M. P. Wand 1997-2009
</code></pre>
<p><a href="https://youtu.be/xzvGA2zKLDc" rel="noreferrer">video explanation</a> (if needed)</p> |
5,046,100 | Prevent access to files in a certain folder | <p>I have a folder with a lot of <code>.php</code> files. I would like to deny access to them (using <code>.htaccess</code>). I know an option is to move this folder outside <code>public_html</code>, but this is not possible in this situation.</p>
<p>Is is possible to block access to a whole folder?</p> | 5,046,130 | 4 | 0 | null | 2011-02-18 20:17:45.957 UTC | 2 | 2019-12-03 19:48:34.637 UTC | 2016-04-12 22:36:49.683 UTC | null | 5,299,236 | null | 618,622 | null | 1 | 26 | apache|.htaccess | 60,065 | <p>Add this to the <code>.htaccess</code> file:</p>
<pre><code>order deny,allow
deny from all
</code></pre> |
5,465,245 | Create a nullable column using SQL Server SELECT INTO? | <p>When I create a temp table using a <code>select into</code> in SQL Server, is there a way to specify that a column should be nullable? I have a multi-step process where I'm making a temp table by selecting a lot of columns (which is why I'm not doing a <code>create table #tmp (...)</code>). After I make that temp ... | 5,465,288 | 5 | 0 | null | 2011-03-28 21:23:49.697 UTC | 4 | 2020-06-15 15:01:16.57 UTC | null | null | null | null | 83,144 | null | 1 | 36 | sql-server|tsql | 67,251 | <p>Nullability is inherited from the source column.</p>
<p>You can lose or gain nullability with an expression:</p>
<p>Example (constant literals appear to be problematic - need a good NOOP function which can return NULL):</p>
<pre><code>CREATE TABLE SO5465245_IN
(
a INT NOT NULL
,b INT NULL
) ;
GO
... |
5,404,342 | ASP.NET XML Parsing Error: no element found Line Number 1, Column 1 Error | <p>Hey I found a weird temperamental page which randomly gives me the following error</p>
<pre>XML Parsing Error: no element found
Location: http://kj2011/site_2011/nonprofit-database/overview.aspx
Line Number 1, Column 1:</pre>
<p>This page was fine for like 2 weeks but as of yesterday I randomly get the above error... | 5,553,459 | 12 | 1 | null | 2011-03-23 11:13:01.623 UTC | 2 | 2020-07-14 08:51:24.247 UTC | 2011-03-29 15:47:33.08 UTC | null | 102,112 | null | 215,541 | null | 1 | 11 | asp.net|xml | 50,358 | <p>This was an issue with an external DLL, which created a page called view.aspx in the same folder which caused an issue with our overview.aspx. We just renamed the page and the issue went away.</p> |
5,129,624 | Convert JS date time to MySQL datetime | <p>Does anyone know how to convert JS dateTime to MySQL datetime? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime?</p> | 11,150,727 | 23 | 0 | null | 2011-02-26 20:44:53.363 UTC | 59 | 2022-09-10 10:04:10.227 UTC | null | null | null | null | 382,906 | null | 1 | 173 | javascript|mysql | 290,104 | <pre class="lang-js prettyprint-override"><code>var date;
date = new Date();
date = date.getUTCFullYear() + '-' +
('00' + (date.getUTCMonth()+1)).slice(-2) + '-' +
('00' + date.getUTCDate()).slice(-2) + ' ' +
('00' + date.getUTCHours()).slice(-2) + ':' +
('00' + date.getUTCMinutes()).slice(-2) + ':' +... |
16,683,944 | AndroidAnnotations Nothing Generated, Empty Activity | <p>I am trying to create a project using AndroidAnnotations in Android Studio. When I build and run the project, everything seems to compile fine, yet I get nothing but a blank activity for the app. In addition, it does not appear that anything is generated by AndroidAnnotations. </p>
<p>I have added <code>androidanno... | 16,802,216 | 6 | 1 | null | 2013-05-22 05:16:03.787 UTC | 21 | 2014-01-31 23:07:41.217 UTC | 2013-05-24 06:13:08.077 UTC | null | 1,277,679 | null | 1,277,679 | null | 1 | 10 | android|gradle|android-studio|android-annotations | 12,986 | <p>This is similar to robotoaster's response, but it works in 0.4.1 and it places the generated java source files in a new directory (consistent with the other generated source folders), which allows Android Studio to see the source and stop complaining. It also works with more annotation processors. Just add your anno... |
29,699,451 | Appending element into an array of strings in C | <p>I have an array of strings with a given size, without using any memory allocation, how do I append something into it?</p>
<p>Say I run the code, its waiting for something you want to enter, you enter <code>"bond"</code>, how do I append this into an array ? A[10] ? </p> | 29,699,688 | 5 | 5 | null | 2015-04-17 12:37:33.86 UTC | 4 | 2022-02-20 17:44:51.74 UTC | 2022-02-20 17:44:51.74 UTC | null | 2,877,241 | null | 3,928,326 | null | 1 | 9 | c|append|c-strings|strcpy|strcat | 61,657 | <p>If the array declared like</p>
<pre><code>char A[10];
</code></pre>
<p>then you can assign string "bond" to it the following way</p>
<pre><code>#include <string.h>
//...
strcpy( A, "bond" );
</code></pre>
<p>If you want to append the array with some other string then you can write</p>
<pre><code>#includ... |
12,470,156 | AutoMapper Custom Type Converter not working | <p>I am using <a href="https://github.com/TroyGoode/PagedList">Troy Goode's PagedList</a> to provide paging information in my WebApi. His package returns an IPagedList that implements IEnumerable but also contains custom properties such as IsLastPage, PageNumber, PageCount, etc.</p>
<p>When you try to return this cla... | 12,538,611 | 1 | 0 | null | 2012-09-18 03:54:32.117 UTC | 8 | 2012-09-21 21:47:43.537 UTC | 2012-09-20 13:28:44.227 UTC | null | 332,022 | null | 332,022 | null | 1 | 9 | automapper|automapper-2 | 2,842 | <p>After pulling my hair out, I finally figured this one out. There isn't anything at all wrong with the code. It turned out to be a threading issue where the configured mappings were getting cleared out. The code above is the proper way to do what I wanted. I am leaving this here so that I can point another questi... |
12,345,292 | How do enable a .Net web-API to accept g-ziped posts | <p>I have a fairly bog standard .net MVC 4 Web API application. </p>
<pre><code> public class LogsController : ApiController
{
public HttpResponseMessage PostLog(List<LogDto> logs)
{
if (logs != null && logs.Any())
{
var goodLogs = new List<Log>();
v... | 14,990,735 | 4 | 1 | null | 2012-09-10 04:18:32.5 UTC | 9 | 2017-03-31 01:47:23.103 UTC | 2013-02-20 22:12:09.95 UTC | null | 123,378 | null | 507,669 | null | 1 | 16 | c#|asp.net-web-api | 13,435 | <p>I had the same requirement to POST gzipped data to a .NET web api controller. I came up with this solution:</p>
<pre><code>public class GZipToJsonHandler : DelegatingHandler
{
protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request,
... |
12,586,132 | Java Regex matching between curly braces | <p>I need to parse a log file and get the times and associated function call string
This is stored in the log file as so: {"time" : "2012-09-24T03:08:50", "message" : "Call() started"}</p>
<p>There will be multiple logged time function calls in between other string characters, so hence I am hoping to use regex to go t... | 12,586,201 | 5 | 0 | null | 2012-09-25 15:25:02.03 UTC | 7 | 2016-03-02 06:57:21.397 UTC | null | null | null | null | 1,224,079 | null | 1 | 19 | java|regex | 58,827 | <p>you need to escape '{' & '}' with a '\'</p>
<p>so: <code>"{(.*?)}"</code> becomes: <code>"\\{(.*?)\\}"</code></p>
<p>where you have to escape the '\' with another '\' first</p>
<p>see: <a href="http://www.regular-expressions.info/reference.html" rel="noreferrer">http://www.regular-expressions.info/reference.h... |
12,427,449 | ElasticSearch -- boosting relevance based on field value | <p>Need to find a way in ElasticSearch to boost the relevance of a document based on a particular value of a field. Specifically, there is a special field in all my documents where the higher the field value is, the more relevant the doc that contains it should be, regardless of the search.</p>
<p>Consider the follow... | 12,430,664 | 4 | 1 | null | 2012-09-14 15:20:42.87 UTC | 27 | 2019-09-19 13:39:27.05 UTC | 2012-09-14 15:25:48.997 UTC | null | 84,131 | null | 943,184 | null | 1 | 67 | search|elasticsearch | 48,267 | <p>You can either boost at index time or query time. I usually prefer query time boosting even though it makes queries a little bit slower, otherwise I'd need to reindex every time I want to change my boosting factors, which usally need fine-tuning and need to be pretty flexible.</p>
<p>There are different ways to app... |
12,453,160 | Remove empty lines in text using Visual Studio or VS Code | <p>How to remove empty lines in Visual Studio?</p> | 12,453,161 | 13 | 3 | null | 2012-09-17 04:32:48.307 UTC | 77 | 2022-04-09 17:29:05.267 UTC | 2022-02-18 14:23:33.77 UTC | null | 510,558 | null | 510,558 | null | 1 | 170 | regex|visual-studio|visual-studio-2010|visual-studio-code|line | 120,278 | <p>It's very useful especially if you want to arrange or compare codes, thanks to the people who answer this question, I've got the answer from <a href="http://wblo.gs/VGx" rel="noreferrer">here</a> and would like to share it with Stackoverflow:</p>
<p><strong>Visual Studio</strong> (Visual Studio Code) has the ability... |
19,151,940 | git remove trailing whitespace in new files before commit | <p>I know removing trailing whitespace can be done with a pre-commit hook. I am interested in doing it manually. I read the question here:<br>
<a href="https://stackoverflow.com/questions/591923/make-git-automatically-remove-trailing-whitespace-before-committing">Make git automatically remove trailing whitespace before... | 19,156,679 | 4 | 4 | null | 2013-10-03 06:05:42.193 UTC | 10 | 2014-03-06 00:14:15.917 UTC | 2017-05-23 12:03:05.607 UTC | null | -1 | null | 4,704,515 | null | 1 | 16 | git|whitespace|removing-whitespace | 22,796 | <p>To manually clean up whitespace from your last 3 commits, you can do this:</p>
<p><code>git rebase --whitespace=fix HEAD~3</code></p>
<p>When I work on a topic branch, I track the upstream branch (usually by creating it like this)</p>
<p><code>git checkout -b topic -t</code></p>
<p>Which allows me to drop the la... |
3,548,635 | Python + JSON, what happened to None? | <p>Dumping and loading a dict with <a href="https://docs.python.org/3/library/constants.html#None" rel="noreferrer"><code>None</code></a> as key, results in a <a href="https://docs.python.org/3.7/tutorial/datastructures.html#dictionaries" rel="noreferrer">dictionary</a> with <code>'null'</code> as the key.</p>
<p>Valu... | 3,548,740 | 3 | 1 | null | 2010-08-23 14:44:32.357 UTC | 7 | 2019-09-16 08:15:05.583 UTC | 2018-07-25 06:40:47.743 UTC | user8554766 | null | null | 294,585 | null | 1 | 30 | python|json|dictionary | 88,173 | <p>JSON objects are maps of <em>strings</em> to values. If you try to use another type of key, they'll get converted to strings.</p>
<pre><code>>>> json.loads(json.dumps({123: None}))
{'123': None}
>>> json.loads(json.dumps({None: None}))
{'null': None}
</code></pre> |
3,842,616 | Organizing Python classes in modules and/or packages | <p>I like the Java convention of having one public class per file, even if there are sometimes good reasons to put more than one public class into a single file. In my case I have alternative implementations of the same interface. But if I would place them into separate files, I'd have redundant names in the import sta... | 3,842,687 | 3 | 1 | null | 2010-10-01 19:58:31.987 UTC | 22 | 2020-10-10 06:58:11.937 UTC | 2010-10-02 08:47:43.073 UTC | null | 238,134 | null | 238,134 | null | 1 | 60 | python|class|module|package | 35,453 | <p>A lot of it is personal preference. Using python modules, you do have the option to keep each class in a separate file and still allow for <code>import converters.SomeConverter</code> (or <code>from converters import SomeConverter</code>)</p>
<p>Your file structure could look something like this:</p>
<pre><code>* ... |
3,266,524 | How to get user password for database | <p>I am using phpMyAdmin; I created a database; now I want to locate the username and password for this new database I created. Note, I am not sys admin, I am only the developer, but I do have access to create db on MySQL in phpMyAdmin. Does my sys admin needs to tell me the username and password to access this db, or ... | 3,266,546 | 4 | 0 | null | 2010-07-16 15:38:42.387 UTC | 1 | 2022-01-21 09:37:30.77 UTC | 2022-01-21 09:37:30.77 UTC | null | 1,839,439 | null | 255,391 | null | 1 | 10 | php|mysql|phpmyadmin | 111,078 | <p>In MySQL creating a database doesn't automatically create a user to go with it.
You must explicitly create the user and grant acess.</p>
<p><a href="http://dev.mysql.com/doc/refman/5.1/en/adding-users.html" rel="noreferrer">http://dev.mysql.com/doc/refman/5.1/en/adding-users.html</a></p> |
24,270,036 | Listening to all scroll events on a page | <p><strong>Background:</strong></p>
<p>I'm writing a component that opens up a sub-menu on click. I can't know where this component will be placed on the page or how far it will be nested in areas that may have the <code>overflow</code> property set.</p>
<p>Given that the overflow may clip the sub-menu I am instead m... | 30,723,677 | 4 | 11 | null | 2014-06-17 17:34:51.037 UTC | 4 | 2015-06-09 18:59:33.143 UTC | 2014-06-17 17:45:19.827 UTC | null | 573,634 | null | 573,634 | null | 1 | 28 | javascript|jquery | 15,258 | <p>You should be able to attach a document-level listener with a third parameter of <code>true</code> to capture the scroll events on all elements. Here's what that looks like:</p>
<pre><code>document.addEventListener('scroll', function(e){ }, true);
</code></pre>
<p>The <code>true</code> at the end is the important ... |
19,252,777 | .Net Remoting versus WCF | <p>I am wondering that I can do same thing from both .net remoting and WCF, then why WCF is more preferred over .Net remoting. Where can I choose (or in which situation) .Net remoting or WCF?</p> | 19,252,815 | 2 | 12 | null | 2013-10-08 16:04:23.857 UTC | 12 | 2016-02-19 04:19:17.59 UTC | 2013-10-09 04:24:26.007 UTC | null | 1,501,794 | null | 2,779,561 | null | 1 | 24 | c#|wcf|.net-remoting | 18,864 | <p><strong>.NET Remoting</strong> applications can use the HTTP, TCP, and SMTP protocols whereas <strong>WCF</strong> can use named pipes and MSMQ as well along with all these protocols.</p>
<p>You may find the best answer here: <a href="http://msdn.microsoft.com/en-us/library/aa730857%28v=vs.80%29.aspx" rel="noreferre... |
8,650,463 | groupby multiple columns in a F# 3.0 query | <p>Just trying out F# 3.0 and hit a bit of a wall when it comes to grouping by multiple columns. The obvious thing to try was</p>
<pre><code>query {
for d in context.table do
groupBy (d.col1,d.col2) into g
select (g.Key)
}
</code></pre>
<p>But I get a "Only parameterless constructors and initializers are ... | 16,826,263 | 8 | 8 | null | 2011-12-27 23:49:09.967 UTC | 8 | 2019-04-10 06:38:23.47 UTC | 2017-05-23 12:16:43.803 UTC | null | -1 | null | 926,042 | null | 1 | 38 | f#|f#-3.0 | 3,045 | <p>The following is an example of multiple columns being used for grouping in c# and converted to f# (overly paranoid management has made me rename everything, but I believe I have been consistent):</p>
<p>(TheDatabase was generated by SqlMetal, GetSummedValuesResult is a F# record type)</p>
<p>c#</p>
<pre><code>pub... |
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