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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1,915,829 | Learning C when you already know C++? | <p>I think I have an advanced knowledge of C++, and I'd like to learn C.</p>
<p>There are a lot of resources to help people going from C to C++, but I've not found anything useful to do the opposite of that. </p>
<p>Specifically:</p>
<ol>
<li>Are there widely used general purpose libraries every C programmer should ... | 1,917,084 | 10 | 0 | null | 2009-12-16 16:25:30.187 UTC | 16 | 2014-02-18 17:50:12.723 UTC | 2014-02-18 17:50:12.723 UTC | null | 191,367 | null | 191,367 | null | 1 | 22 | c++|c | 15,137 | <p>There's a lot here already, so maybe this is just a minor addition but here's what I find to be the biggest differences.</p>
<p>Library:</p>
<ul>
<li>I put this first, because this in my opinion this is the biggest difference in practice. The C standard library is very(!) sparse. It offers a bare minimum of serv... |
2,108,503 | Code Sign error: The identity 'iPhone Developer' doesn't match any valid certificate/private key pair in the default keychain | <p>How do you fix this <strong>XCode error</strong> :</p>
<blockquote>
<p>Code Sign error: The identity 'iPhone Developer' doesn't match any
valid certificate/private key pair in the default keychain</p>
</blockquote> | 4,453,252 | 12 | 7 | null | 2010-01-21 10:43:33.917 UTC | 17 | 2013-06-10 11:08:16.793 UTC | 2013-06-10 11:08:16.793 UTC | null | 1,603,072 | null | 210,188 | null | 1 | 77 | iphone | 114,679 | <p>This happens if you forgot to change your build settings to <code>Simulator</code>. Unless you want to build to a device, in which case you should see the other answers.</p> |
8,765,879 | how to limit foreach loop to three loops | <p>how to limit this loop ..just thee loops..thanks for helping</p>
<pre><code><?php
foreach($section['Article'] as $article) :
?>
<tr>
<td>
<?php
if ($article['status'] == 1) {
echo $article['title'];
}
?>
</td>
<... | 8,765,910 | 6 | 2 | null | 2012-01-06 23:35:30.077 UTC | 14 | 2019-08-01 09:11:39.227 UTC | 2012-08-01 07:50:16.447 UTC | null | 367,456 | null | 1,080,247 | null | 1 | 21 | php | 98,298 | <p>Slice the array.</p>
<pre><code>foreach(array_slice($section['Article'], 0, 3) as $article ):
</code></pre> |
8,486,414 | Check image dimensions (height and width) before uploading image using PHP | <p>How can I check for height and width before uploading image, using PHP.</p>
<p>Must I upload the image first and use "getimagesize()"? Or can I check this before uploading it using PHP?</p>
<pre><code><?php
foreach ($_FILES["files"]["error"] as $key => $error) {
if(
$error == UPLOAD_ERR_OK
&& $_FILE... | 8,486,471 | 8 | 2 | null | 2011-12-13 08:49:57.243 UTC | 5 | 2016-07-01 08:45:52.44 UTC | null | null | null | null | 673,108 | null | 1 | 30 | php|image|file-upload|dimensions | 96,611 | <p>You need something that is executed on the client before the actual upload happens.<br>
With (server-side) php you can check the dimension only after the file has been uploaded or with <a href="https://www.ibm.com/developerworks/library/os-php-v525/" rel="nofollow">upload hooks</a> <em>maybe</em> while the image is ... |
46,562,561 | Apollo/GraphQL field type for object with dynamic keys | <p>Let's say my graphql server wants to fetch the following data as JSON where <code>person3</code> and <code>person5</code> are some id's:</p>
<pre><code>"persons": {
"person3": {
"id": "person3",
"name": "Mike"
},
"person5": {
"id": "person5",
"name": "Lisa"
}
}
</code></pre>
<p><strong>Ques... | 46,563,788 | 3 | 4 | null | 2017-10-04 10:24:38.057 UTC | 7 | 2021-07-26 01:58:06.76 UTC | 2017-10-04 11:09:47.073 UTC | null | 3,210,677 | null | 3,210,677 | null | 1 | 45 | graphql|apollo|apollo-server | 28,772 | <p>GraphQL relies on both the server and the client knowing ahead of time what fields are available available for each type. In some cases, the client can discover those fields (via introspection), but for the server, they always need to be known ahead of time. So to somehow dynamically generate those fields based on t... |
18,163,404 | spring mvc date format with form:input | <p>I have hibernate entity and a bean:</p>
<pre><code>@Entity
public class GeneralObservation {
@DateTimeFormat(pattern = "dd/MM/yyyy")
Date date;
@Column
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
}
</code></pre>
<p>also I... | 18,686,172 | 4 | 6 | null | 2013-08-10 15:30:07.087 UTC | 9 | 2014-11-19 20:16:34.293 UTC | 2013-08-11 00:38:41.917 UTC | null | 1,941,151 | null | 517,073 | null | 1 | 20 | java|spring|spring-mvc|jpa|jstl | 91,216 | <p>The solution is to put<br>
<code><mvc:annotation-driven/></code>
to
mvc-dispatcher-servlet.xml
and also xmlns:mvc="http://www.springframework.org/schema/mvc"
to the begining of xml file.</p> |
18,014,834 | How to make line with rounded (smooth) corners with AndroidPlot | <p>I have a small problem with ploting my graph. On a picture below is what I have already done.</p>
<hr>
<p>The graph should represent the actual signal strength of available Wi-Fi network(s). It's a simple <code>XYPlot</code> here data are represented with <code>SimpleXYSeries</code> (values are dynamically created... | 18,353,513 | 6 | 3 | null | 2013-08-02 10:35:05.317 UTC | 8 | 2021-08-17 03:51:23.017 UTC | 2014-02-01 13:54:01.397 UTC | null | 63,550 | null | 1,331,415 | null | 1 | 11 | android|androidplot | 16,503 | <p>You can use <a href="http://developer.android.com/reference/android/graphics/Path.html#cubicTo%28float,%20float,%20float,%20float,%20float,%20float%29" rel="nofollow noreferrer">Path.cubicTo()</a> method. It draws a line using cubic spline algorithm which results in the smoothing effect you want.</p>
<p>Checkout th... |
17,818,167 | Find a Pull Request on GitHub where a commit was originally created | <p>Pull Requests are great for understanding the larger thinking around a change or set of changes made to a repo. Reading pull requests are a great way to quickly "grok" a project as, instead of small atomic changes to the source, you get larger groupings of logical changes. Analogous to organizing the lines in your c... | 25,914,885 | 7 | 1 | null | 2013-07-23 18:28:19.717 UTC | 40 | 2022-05-12 10:43:40.283 UTC | 2021-01-09 03:20:20.31 UTC | null | 1,402,846 | null | 92,694 | null | 1 | 245 | git|github|pull-request | 80,270 | <p><strike>You can just go to GitHub and enter the SHA into the search bar, make sure you select the "Issues" link on the left.</strike></p>
<p><strong>UPDATED 13 July 2017</strong></p>
<p>Via the GitHub UI there is a now a really easy way to do this. If you are looking at a commit in the list of commits in a... |
18,099,653 | Removing everything except numbers in a string | <p>I've made a small calculator in javascript where users enter the interest rate and amount the they want to borrow, and it calculates how much of an incentive they might get.</p>
<p>The problem is that I'm worried users will enter symbols, e.g. </p>
<blockquote>
<p>Loan amount: £360,000 - Interest Rate: 4.6%</p>... | 18,099,759 | 7 | 4 | null | 2013-08-07 09:27:19.26 UTC | 3 | 2021-06-09 09:14:35.583 UTC | 2016-05-19 01:02:04.653 UTC | null | 5,818,631 | null | 2,660,049 | null | 1 | 55 | javascript|regex | 59,097 | <p>Note that you should use the correct DOM id to refer via getElementById.
You can use the <a href="http://www.w3schools.com/jsref/jsref_replace.asp" rel="noreferrer">.replace()</a> method for that:</p>
<pre><code>var loan_amt = document.getElementById('loan_amt');
loan_amt.value = loan_amt.value.replace(/[^0-9]/g, '... |
6,828,124 | How to find user control of an ASP.NET page inside of event of another user control on that ASP.NET page EDIT: different content placeholders? | <p>I have a ASP.NET page with 2 user controls registered. The first one has only one button in it. The second one is simple text and hidden on default. What I want is to make the second one visible when the button in the first one is clicked (that is on button click event). </p>
<p>ASP.NET page:</p>
<pre><code><%@... | 6,844,214 | 4 | 0 | null | 2011-07-26 09:42:44.207 UTC | null | 2017-03-21 03:59:02.533 UTC | 2011-07-27 09:51:02.81 UTC | null | 672,630 | null | 672,630 | null | 1 | 3 | asp.net|user-controls|findcontrol|contentplaceholder | 42,381 | <p>Ok I found solution until better one comes my way. The problem is, as Jamie Dixon pointed out (thank you Jamie):</p>
<p><em><code>The FindControl method does not do a deep search for controls. It looks directly in the location you specify for the control you're requesting.</code></em></p>
<p>So because I have user... |
57,030,018 | React context with hooks prevent re render | <p>I use React context with hooks as a state manager for my React app. Every time the value changes in the store, all the components re-render. </p>
<p>Is there any way to prevent React component to re-render?</p>
<p>Store config:</p>
<pre><code>import React, { useReducer } from "react";
import rootReducer from "./r... | 57,031,877 | 4 | 3 | null | 2019-07-14 18:20:54.643 UTC | 10 | 2020-04-14 15:09:57.177 UTC | 2019-07-14 23:57:56.693 UTC | null | 9,886,585 | null | 9,886,585 | null | 1 | 19 | javascript|reactjs|react-native|react-context | 23,273 | <p>I believe what is happening here is expected behavior. The reason it renders twice is because you are automatically grabbing a new book/user when you visit the book or user page respectively.</p>
<p>This happens because the page loads, then <code>useEffect</code> kicks off and grabs a book or user, then the page n... |
39,990,017 | Should I commit the yarn.lock file and what is it for? | <p>Yarn creates a <code>yarn.lock</code> file after you perform a <code>yarn install</code>. </p>
<p>Should this be committed to the repository or ignored? What is it for?</p> | 39,992,365 | 9 | 4 | null | 2016-10-12 03:24:53.737 UTC | 60 | 2022-03-21 10:33:22.487 UTC | 2016-11-23 18:13:55.17 UTC | null | 6,650,102 | null | 1,403,314 | null | 1 | 498 | yarnpkg | 185,323 | <p>Yes, you should check it in, see <a href="https://yarnpkg.com/en/docs/migrating-from-npm" rel="noreferrer">Migrating from npm</a></p>
<p><strong>What is it for?</strong><br>
The npm client installs dependencies into the <code>node_modules</code> directory non-deterministically. This means that based on the order dep... |
27,480,134 | Inserting Date() in to Mongodb through mongo shell | <p>I am inserting document through following query: </p>
<pre><code>db.collection.insert(
{
date: Date('Dec 12, 2014 14:12:00')
})
</code></pre>
<p>But it will give me an error. </p>
<p>How can I insert a date in my collection without getting an error?</p> | 27,480,559 | 2 | 2 | null | 2014-12-15 08:40:10.683 UTC | 4 | 2018-05-21 07:57:46.487 UTC | 2018-05-21 07:57:46.487 UTC | null | 4,015,870 | null | 3,528,347 | null | 1 | 16 | javascript|mongodb|mongodb-query | 39,611 | <p>You must be getting a different error as the code above will result in the <code>Date()</code> method returning the current date as a string, regardless of the arguments supplied with the object. From the <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date" rel="noreferrer"... |
27,613,310 | Rounding selected columns of data.table | <p>I have following data and code to round selected columns of this data.table:</p>
<pre><code>mydf = structure(list(vnum1 = c(0.590165705411504, -1.39939534199836,
0.720226053660755, -0.253198380120377, -0.783366825121657), vnum2 = c(0.706508400384337,
0.526770398486406, 0.863136084517464, 0.838245498016477, 0.55677... | 27,613,444 | 9 | 4 | null | 2014-12-23 02:35:26.207 UTC | 14 | 2022-09-19 08:43:33.493 UTC | 2022-09-19 08:43:33.493 UTC | null | 5,784,757 | null | 3,522,130 | null | 1 | 47 | r|data.table | 92,741 | <p>If you don't mind overwriting your original <code>mydf</code>:</p>
<pre><code>cols <- names(mydf)[1:2]
mydf[,(cols) := round(.SD,1), .SDcols=cols]
mydf
# vnum1 vnum2 vch1
#1: 0.6 0.7 B
#2: -1.4 0.5 E
#3: 0.7 0.9 A
#4: -0.3 0.8 C
#5: -0.8 0.6 C
</code></pre> |
723,791 | What are best practices for self-updating PHP+MySQL applications? | <p>It is pretty standard practice now for desktop applications to be self-updating. On the Mac, every non-Apple program that uses <a href="http://sparkle.andymatuschak.org/" rel="noreferrer">Sparkle</a> in my book is an instant win. For Windows developers, <a href="https://stackoverflow.com/questions/232347/how-should-... | 723,855 | 7 | 2 | null | 2009-04-07 00:58:47.343 UTC | 12 | 2012-05-23 10:26:00.7 UTC | 2017-05-23 12:25:51.337 UTC | null | -1 | null | 53,182 | null | 1 | 29 | php|mysql|security|upgrade | 8,144 | <p>Frankly, it really does depend on your userbase. There are tons of PHP applications that don't automatically upgrade themselves. Their users are either technical enough to handle the upgrade process, or just don't upgrade.</p>
<p>I purpose two steps:</p>
<p>1) Seriously ask yourself what your users are likely to... |
544,450 | Detecting honest web crawlers | <p>I would like to detect (on the server side) which requests are from bots. I don't care about malicious bots at this point, just the ones that are playing nice. I've seen a few approaches that mostly involve matching the user agent string against keywords like 'bot'. But that seems awkward, incomplete, and unmaint... | 544,485 | 7 | 0 | null | 2009-02-13 01:55:33.483 UTC | 43 | 2022-08-08 15:08:28.853 UTC | 2013-01-26 11:03:21.617 UTC | null | 569,101 | CynicalTyler | 9,304 | null | 1 | 44 | c#|web-crawler|bots | 20,022 | <p>You can find a very thorough database of data on known "good" web crawlers in the robotstxt.org <a href="http://www.robotstxt.org/db.html" rel="noreferrer">Robots Database</a>. Utilizing this data would be far more effective than just matching <em>bot</em> in the user-agent.</p> |
115,850 | What pre-existing services exist for calculating distance between two addresses? | <p>I'd like to implement a way to display a list of stored addresses sorted by proximity to a given address.</p>
<p>Addresses in the list will be stored in a database table. Separate parts have separate fields (we have fields for postal code, city name, etc.) so it is not just a giant <code>varchar</code>. These are... | 115,902 | 8 | 0 | null | 2008-09-22 16:19:54.363 UTC | 10 | 2009-06-08 20:58:11.983 UTC | 2009-06-08 20:58:11.983 UTC | Yadyn | 7,290 | Yadyn | 7,290 | null | 1 | 12 | algorithm|geolocation|distance | 10,375 | <p><a href="http://code.google.com/apis/maps/documentation/services.html#Geocoding" rel="noreferrer">Google</a> and <a href="http://developer.yahoo.com/maps/rest/V1/geocode.html" rel="noreferrer">Yahoo!</a> both provide geocoding services for free. You can calculate distance using the <a href="http://en.wikipedia.org/... |
718,479 | What is the best way to produce a tilde in LaTeX for a website? | <p>Following the <a href="https://stackoverflow.com/questions/682201/latex-tildes-and-verbatim-mode">previous questions</a> on this topic, when you produce a website in LaTeX what is the best way to produce a url that contains a tilde? <code>\verb</code> produces the upper tilde that does not read well, and <code>$\sim... | 718,484 | 9 | 1 | null | 2009-04-05 06:43:54.847 UTC | 2 | 2021-06-05 17:10:01.23 UTC | 2017-05-23 12:34:24.807 UTC | null | -1 | vgm64 | 51,532 | null | 1 | 14 | latex|tilde | 39,267 | <p>I'd look at the <a href="http://www.ctan.org/tex-archive/help/Catalogue/entries/url.html" rel="noreferrer"><code>url</code> package</a>.</p> |
230,407 | What is the unix command to see how much disk space there is and how much is remaining? | <p>I'm looking for the equivalent of right clicking on the drive in windows and seeing the disk space used and remaining info.</p> | 230,412 | 10 | 0 | null | 2008-10-23 16:26:24.32 UTC | 5 | 2018-12-24 09:16:22.657 UTC | 2008-10-23 17:08:25.187 UTC | Alex B | 6,180 | Brian | 700 | null | 1 | 22 | unix|aix|diskspace | 141,534 | <p>Look for the commands <code>du</code> (disk usage) and <code>df</code> (disk free)</p> |
177,514 | Good XMPP Java Libraries for server side? | <p>I was hoping to implement a simple XMPP server in Java. </p>
<p>What I need is a library which can parse and understand xmpp requests from a client. I have looked at Smack (mentioned below) and JSO. Smack appears to be client only so while it might help parsing packets it doesn't know how to respond to clients. I... | 177,581 | 10 | 4 | null | 2008-10-07 07:43:22.01 UTC | 38 | 2015-12-02 13:39:01.14 UTC | 2012-05-04 12:49:09.217 UTC | Taylor Gautier | 1,288 | Taylor Gautier | 19,013 | null | 1 | 63 | java|xmpp | 49,916 | <p><a href="http://xmpp.org/xmpp-software/libraries/" rel="noreferrer">http://xmpp.org/xmpp-software/libraries/</a> has a list of software libraries for XMPP. Here is an <em>outdated</em> snapshot of it:</p>
<p><h3>ActionScript</h3> </p>
<ul>
<li><a href="http://code.google.com/p/as3xmpp/" rel="noreferrer">as3xmpp</... |
1,147,706 | how to hide status bar when splash screen appears in iphone? | <p>Is there a way to hide the status bar when showing splash screen in iPhone
and then show again in application?</p> | 1,147,732 | 10 | 0 | null | 2009-07-18 14:40:28.267 UTC | 28 | 2021-10-13 06:58:01.297 UTC | 2021-10-13 06:58:01.297 UTC | null | 16,439,658 | null | 83,905 | null | 1 | 85 | objective-c|iphone|xcode|splash-screen|statusbar | 49,676 | <p>I'm pretty sure that if your Info.plist file has the <code>Status bar is initially hidden</code> value set to <code>YES</code>, then it won't show while your application is loading. Once your application has loaded, you can re-show the status bar using UIApplication's <code>setStatusBarHidden:animated:</code> metho... |
970,198 | How to mock the Request on Controller in ASP.Net MVC? | <p>I have a controller in C# using the ASP.Net MVC framework</p>
<pre><code>public class HomeController:Controller{
public ActionResult Index()
{
if (Request.IsAjaxRequest())
{
//do some ajaxy stuff
}
return View("Index");
}
}
</code></pre>
<p>I got some tips on mockin... | 970,272 | 10 | 3 | null | 2009-06-09 13:51:01.17 UTC | 48 | 2021-05-16 11:26:34.047 UTC | 2009-06-09 18:09:35.98 UTC | null | 85,231 | null | 85,231 | null | 1 | 184 | asp.net-mvc|unit-testing|mocking|rhino-mocks|moq | 96,226 | <p>Using <a href="https://github.com/Moq/moq4" rel="noreferrer">Moq</a>:</p>
<pre><code>var request = new Mock<HttpRequestBase>();
// Not working - IsAjaxRequest() is static extension method and cannot be mocked
// request.Setup(x => x.IsAjaxRequest()).Returns(true /* or false */);
// use this
request.SetupGe... |
469,798 | Konami Code in C# | <p>I am looking to have a C# application implement the Konami Code to display an Easter Egg.
<a href="http://en.wikipedia.org/wiki/Konami_Code" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/Konami_Code</a></p>
<p>What is the best way to do this?</p>
<p>This is in a standard C# windows forms app.</p> | 469,970 | 11 | 2 | null | 2009-01-22 16:17:17.74 UTC | 16 | 2016-11-26 01:33:29.083 UTC | 2015-06-12 12:42:22.257 UTC | Sam Meldrum | 1,015,495 | Anthony D | 52,622 | null | 1 | 24 | c#|.net|winforms | 9,531 | <p>In windows forms I would have a class that knows what the sequence is and holds the state of where you are in the sequence. Something like this should do it.</p>
<pre><code>using System;
using System.Collections.Generic;
using System.Windows.Forms;
namespace WindowsFormsApplication3 {
public class KonamiSequen... |
1,030,782 | The benefits and advantages of being a jack of all trades programmer? | <p>I've been doing web dev for 10 years now, mostly the MS stack but some LAMP as well. There are so many choices these days for programmers and the job market seems to be all over the place. </p>
<p>Before I dive into some new technology once again I was hoping to get some perspective from others in regards to addi... | 1,032,507 | 12 | 4 | 2009-06-23 05:42:45.44 UTC | 2009-06-23 05:42:45.44 UTC | 11 | 2017-10-20 09:00:09.917 UTC | 2009-06-23 05:44:39.057 UTC | null | 61,027 | null | 110,897 | null | 1 | 10 | language-agnostic | 5,330 | <p>Here are some thoughts on the benefits of having diverse experience in the field of programming:</p>
<ul>
<li><strong>Each language and technology offers an opportunity to learn a different approach to problem solving.</strong> Having different problem solving techniques in your toolset is an invaluable way to stay... |
34,249 | Best algorithm to test if a linked list has a cycle | <p>What's the best (halting) algorithm for determining if a linked list has a cycle in it?</p>
<p>[Edit] Analysis of asymptotic complexity for both time and space would be sweet so answers can be compared better.</p>
<p>[Edit] Original question was not addressing nodes with outdegree > 1, but there's some talk about ... | 34,255 | 12 | 2 | null | 2008-08-29 09:30:05.51 UTC | 22 | 2022-03-25 10:18:55.68 UTC | 2011-10-18 17:18:38.86 UTC | cdleary | 976,554 | cdleary | 3,594 | null | 1 | 32 | algorithm|data-structures|linked-list | 20,671 | <p>Have two pointers iterating through the list; make one iterate through at twice the speed of the other, and compare their positions at each step. Off the top of my head, something like:</p>
<pre><code>node* tortoise(begin), * hare(begin);
while(hare = hare->next)
{
if(hare == tortoise) { throw std::logic_er... |
91,688 | What are the differences between a clustered and a non-clustered index? | <p>What are the differences between a <code>clustered</code> and a <code>non-clustered index</code>?</p> | 91,725 | 13 | 7 | null | 2008-09-18 11:14:23.283 UTC | 116 | 2021-07-20 07:11:28.597 UTC | 2018-03-23 07:05:10.277 UTC | Nigel Campbell | 3,876,565 | Eric Labashosky | 6,522 | null | 1 | 304 | sql-server|indexing|clustered-index|non-clustered-index | 293,703 | <p>Clustered Index</p>
<ul>
<li>Only one per table</li>
<li>Faster to read than non clustered as data is physically stored in index order</li>
</ul>
<p>Non Clustered Index</p>
<ul>
<li>Can be used many times per table</li>
<li>Quicker for insert and update operations than a clustered index</li>
</ul>
<p>Both types ... |
1,117,916 | Merge keys array and values array into an object in JavaScript | <p>I have:</p>
<pre><code>var keys = [ "height", "width" ];
var values = [ "12px", "24px" ];
</code></pre>
<p>And I'd like to convert it into this object:</p>
<pre><code>{ height: "12px", width: "24px" }
</code></pre>
<p>In Python, there's the simple idiom <code>dict(zip(keys,values))</code>. Is there something sim... | 1,117,927 | 13 | 1 | null | 2009-07-13 06:18:22.393 UTC | 15 | 2021-08-26 13:55:42.383 UTC | 2020-05-15 03:13:16.187 UTC | null | 6,904,888 | null | 7,581 | null | 1 | 49 | javascript|json|object | 42,912 | <p>Simple JS function would be:</p>
<pre><code>function toObject(names, values) {
var result = {};
for (var i = 0; i < names.length; i++)
result[names[i]] = values[i];
return result;
}
</code></pre>
<p>Of course you could also actually implement functions like zip, etc as JS supports higher or... |
57,923 | What exactly is "managed" code? | <p>I've been writing C / C++ code for almost twenty years, and I know Perl, Python, PHP, and some Java as well, and I'm teaching myself JavaScript. But I've never done any .NET, VB, or C# stuff. What exactly does <strong>managed</strong> code mean?</p>
<p>Wikipedia <a href="http://en.wikipedia.org/wiki/Managed_code" r... | 57,945 | 15 | 2 | null | 2008-09-11 23:38:58.157 UTC | 10 | 2016-09-13 20:56:08.813 UTC | 2016-05-21 08:35:41.403 UTC | Cristián Romo | 5,104,596 | Graeme | 1,821 | null | 1 | 57 | c#|.net|vb.net|managed-code | 25,298 | <p>When you compile C# code to a .exe, it is compiled to Common Intermediate Language(CIL) bytecode. Whenever you run a CIL executable it is executed on Microsofts Common Language Runtime(CLR) virtual machine. So no, it is not possible to include the VM withing your .NET executable file. You must have the .NET runtime ... |
343,368 | error LNK2005: _DllMain@12 already defined in MSVCRT.lib | <p>I am getting this linker error.</p>
<blockquote>
<p><strong>mfcs80.lib(dllmodul.obj) : error LNK2005: _DllMain@12 already defined in MSVCRT.lib(dllmain.obj)</strong></p>
</blockquote>
<p>Please tell me the correct way of eliminating this bug. I read solution on microsoft support site about this bug but it didnt ... | 343,467 | 17 | 0 | null | 2008-12-05 10:01:43.533 UTC | 7 | 2021-11-10 04:53:23.443 UTC | 2015-07-08 10:20:49.76 UTC | null | 3,383,213 | mahesh | 38,038 | null | 1 | 38 | c++|visual-c++|linker | 56,573 | <p>If you read the linker error thoroughly, and apply some knowledge, you may get there yourself:</p>
<p>The linker links a number of compiled objects and libraries together to get a binary.</p>
<p>Each object/library describes</p>
<ul>
<li>what symbols it expects to be present in other objects</li>
<li>what symbols... |
242,822 | Why would someone use WHERE 1=1 AND <conditions> in a SQL clause? | <p>Why would someone use <code>WHERE 1=1 AND <conditions></code> in a SQL clause (Either SQL obtained through concatenated strings, either view definition)</p>
<p>I've seen somewhere that this would be used to protect against SQL Injection, but it seems very weird.</p>
<p>If there is injection <code>WHERE 1 = 1... | 242,831 | 21 | 2 | null | 2008-10-28 10:37:04.78 UTC | 84 | 2021-06-03 11:33:23.747 UTC | 2011-11-17 02:38:53.427 UTC | Thomas Owens | 54,680 | Bogdan Maxim | 23,795 | null | 1 | 304 | sql|dynamic-sql | 251,404 | <p>If the list of conditions is not known at compile time and is instead built at run time, you don't have to worry about whether you have one or more than one condition. You can generate them all like:</p>
<pre><code>and <condition>
</code></pre>
<p>and concatenate them all together. With the <code>1=1</code> ... |
365,191 | How to get time difference in minutes in PHP | <p>How to calculate minute difference between two date-times in PHP?</p> | 365,214 | 21 | 0 | null | 2008-12-13 13:05:25.16 UTC | 72 | 2021-11-30 17:11:20.717 UTC | 2012-07-21 07:58:41.5 UTC | null | 812,149 | tomaszs | 38,940 | null | 1 | 327 | php|date|time|minute | 702,456 | <p>Subtract the past most one from the future most one and divide by 60. </p>
<p>Times are done in Unix format so they're just a big number showing the number of seconds from <code>January 1, 1970, 00:00:00 GMT</code></p> |
34,833,653 | filter spark dataframe with row field that is an array of strings | <p>Using Spark 1.5 and Scala 2.10.6</p>
<p>I'm trying to filter a dataframe via a field "tags" that is an array of strings. Looking for all rows that have the tag 'private'.</p>
<pre><code>val report = df.select("*")
.where(df("tags").contains("private"))
</code></pre>
<p>getting:</p>
<blockquote>
<p>Exception... | 34,843,830 | 2 | 5 | null | 2016-01-17 00:14:14.99 UTC | 3 | 2017-02-09 23:41:16.403 UTC | 2016-01-17 16:11:04.92 UTC | null | 7,223 | null | 7,223 | null | 1 | 19 | scala|apache-spark | 45,976 | <p>I think if you use <code>where(array_contains(...))</code> it will work. Here's my result:</p>
<pre><code>scala> import org.apache.spark.SparkContext
import org.apache.spark.SparkContext
scala> import org.apache.spark.sql.DataFrame
import org.apache.spark.sql.DataFrame
scala> def testData (sc: SparkConte... |
6,426,142 | How to append a string to each element of a Bash array? | <p>I have an array in Bash, each element is a string. How can I append another string to each element? In Java, the code is something like:</p>
<pre><code>for (int i=0; i<array.length; i++)
{
array[i].append("content");
}
</code></pre> | 6,426,365 | 4 | 1 | null | 2011-06-21 13:35:45.18 UTC | 13 | 2019-01-17 07:00:20.953 UTC | 2015-07-06 19:32:33.847 UTC | null | 1,245,190 | null | 486,720 | null | 1 | 55 | arrays|bash | 54,679 | <p>Tested, and it works:</p>
<pre><code>array=(a b c d e)
cnt=${#array[@]}
for ((i=0;i<cnt;i++)); do
array[i]="${array[i]}$i"
echo "${array[i]}"
done
</code></pre>
<p>produces:</p>
<pre><code>a0
b1
c2
d3
e4
</code></pre>
<p>EDIT: declaration of the <code>array</code> could be shortened to</p>
<pre><code... |
6,918,623 | CURLOPT_FOLLOWLOCATION cannot be activated | <p>So I keep getting this annoying error on multiple servers(its a warning, so I'd ignore it, but I need the function)</p>
<blockquote>
<p>Warning: curl_setopt() [function.curl-setopt]: CURLOPT_FOLLOWLOCATION cannot be activated when safe_mode is enabled or an open_basedir is set in /home/xxx/public_html/xxx.php on... | 6,918,685 | 5 | 1 | null | 2011-08-02 21:06:57.67 UTC | 3 | 2016-01-26 20:32:37.38 UTC | 2013-03-13 08:43:34.853 UTC | null | 367,456 | null | 810,304 | null | 1 | 16 | curl|php | 97,133 | <p>Set <code>safe_mode = Off</code> in your php.ini file (it's usually in /etc/ on the server). If that's already off, then look around for the <code>open_basedir</code> stuff in the php.ini file, and change it accordingly.</p>
<p>Basically, the follow location option has been disabled as a security measure, but PHP's... |
6,647,783 | Check value of least significant bit (LSB) and most significant bit (MSB) in C/C++ | <p>I need to check the value of the least significant bit (LSB) and most significant bit (MSB) of an integer in C/C++. How would I do this?</p> | 6,647,792 | 5 | 0 | null | 2011-07-11 08:52:55.043 UTC | 11 | 2017-02-19 14:06:54.47 UTC | 2012-12-20 06:43:22.313 UTC | null | 922,184 | null | 554,785 | null | 1 | 27 | c++|c|integer|bit-manipulation|bit | 98,291 | <pre><code>//int value;
int LSB = value & 1;
</code></pre>
<p>Alternatively <em>(which is not theoretically portable, but practically it is - see Steve's comment)</em></p>
<pre><code>//int value;
int LSB = value % 2;
</code></pre>
<p><strong><em>Details:</em></strong>
The second formula is simpler. The % operat... |
6,997,187 | How to check for empty value in Javascript? | <p>I am working on a method of retrieving an array of hidden inputs in my form like so</p>
<pre><code><input type="hidden" value="12:34:00" name="timetemp0">
<input type="hidden" value="14:45:00" name="timetemp1">
<input type="hidden" value="15:12:00" name="timetemp2">
<input type="hidden" value="... | 6,997,562 | 6 | 4 | null | 2011-08-09 13:48:27.953 UTC | 7 | 2022-06-12 13:23:42.53 UTC | 2016-09-30 09:22:20.623 UTC | null | 206,730 | null | 859,615 | null | 1 | 15 | javascript|html|null | 115,019 | <p>Comment as an answer:</p>
<pre><code>if (timetime[0].value)
</code></pre>
<p>This works because any variable in JS can be evaluated as a boolean, so this will generally catch things that are empty, null, or undefined.</p> |
6,420,813 | width of grid view boundfield | <p>I can not set the width of bound field. Is there any problem in the following markup. </p>
<pre><code> <asp:BoundField DataField="UserName" HeaderText="User Name"
meta:resourcekey="BoundFieldUNCUserNameResource1">
<HeaderStyle Width="50%" />
</as... | 6,420,912 | 6 | 0 | null | 2011-06-21 05:39:16.517 UTC | 6 | 2020-06-29 21:00:04.247 UTC | 2013-12-06 05:26:27.167 UTC | null | 1,459,996 | null | 767,445 | null | 1 | 21 | asp.net|gridview|boundfield | 62,579 | <p>Try This:</p>
<p><code>ItemStyle-Width="50%" ItemStyle-Wrap="false"</code> in the BoundField tag</p> |
7,008,214 | php string to int | <pre><code>$a = '88';
$b = '88 8888';
echo (int)$a;
echo (int)$b;
</code></pre>
<p>as expected, both produce 88. Anyone know if there's a string to int function that will work for $b's value and produce 888888? I've googled around a bit with no luck.</p>
<p>Thanks</p> | 7,008,242 | 6 | 2 | null | 2011-08-10 08:58:57.057 UTC | 2 | 2019-01-25 15:05:54.56 UTC | null | null | null | null | 788,952 | null | 1 | 25 | php|string|int | 179,312 | <p>You can remove the spaces before casting to <code>int</code>:</p>
<pre><code>(int)str_replace(' ', '', $b);
</code></pre>
<p>Also, if you want to strip other commonly used digit delimiters (such as <code>,</code>), you can give the function an array (beware though -- in some countries, like mine for example, the c... |
6,995,946 | Log4J: How do I redirect an OutputStream or Writer to logger's writer(s)? | <p>I have a method which runs asynchronously after start, using OutputStream or Writer as parameter.</p>
<p>It acts as a recording adapter for an OutputStream or Writer (<em>it's a third party API I can't change</em>).</p>
<p><strong>How could I pass Log4J's internal OutputStream or Writer to that method?</strong><br... | 6,996,147 | 7 | 4 | null | 2011-08-09 12:08:28.2 UTC | 7 | 2022-02-16 10:07:48.793 UTC | 2011-08-09 12:33:09.187 UTC | null | 680,925 | null | 853,728 | null | 1 | 37 | java|logging|log4j|outputstream|writer | 47,238 | <p>My suggestion is, why dont you write your OutputStream then?! I was about to write one for you, but I found this good example on the net, check it out!</p>
<p><a href="https://web.archive.org/web/20130527080241/http://www.java2s.com/Open-Source/Java/Testing/jacareto/jacareto/toolkit/log4j/LogOutputStream.java.htm" ... |
57,630,924 | How many String objects would be created when concatenating multiple Strings? | <p>I was asked in an interview about the number of objects that will be created on the given problem:</p>
<pre><code>String str1 = "First";
String str2 = "Second";
String str3 = "Third";
String str4 = str1 + str2 + str3;
</code></pre>
<p>I answered that there would be <strong>6 objects</strong> created in the string ... | 57,631,217 | 7 | 7 | null | 2019-08-23 17:48:47.937 UTC | 6 | 2019-08-28 10:04:10.273 UTC | 2019-08-24 10:52:01.773 UTC | null | 1,711,796 | null | 11,650,948 | null | 1 | 38 | java|string|string-concatenation|string-pool|string-building | 2,926 | <p>Any answer to your question will depend on the JVM implementation and the Java version currently being used. I think it's an unreasonable question to ask in an interview.</p>
<h2>Java 8</h2>
<p>On my machine, with Java 1.8.0_201, your snippet results in this bytecode</p>
<pre><code>L0
LINENUMBER 13 L0
LDC "Firs... |
15,655,073 | setTimeout and window.location (location.href) not working | <p>I want to redirect user to index.php in 5 seconds, but it redirects me right away. I don't want to use jQuery in this simple code.</p>
<pre><code><script>
setTimeout(function(){location.href="index.php", 5000} );
</script>
</code></pre> | 15,655,220 | 3 | 3 | null | 2013-03-27 09:06:34.237 UTC | 1 | 2018-10-29 14:12:10.233 UTC | 2013-03-27 09:12:43.66 UTC | null | 2,118,700 | null | 1,860,890 | null | 1 | 14 | javascript | 70,968 | <p>This is the right way...</p>
<pre><code>setTimeout(function(){location.href="index.php"} , 5000);
</code></pre>
<p>You can check the docs here:</p>
<p><a href="https://developer.mozilla.org/en/docs/DOM/window.setTimeout" rel="noreferrer">https://developer.mozilla.org/en/docs/DOM/window.setTimeout</a></p>
<p><... |
10,650,528 | Access to path **** is denied | <p>I know there is a ton of stuff on this already and have tried a few things but have had no luck in fixing it. </p>
<p>I have a C# program that has built an XML Document and im trying to save it to a folder thats in MyDocuments. I am getting the folliwing exception when calling the <code>XMLDoc.Save</code> function.... | 10,651,042 | 5 | 4 | null | 2012-05-18 09:59:52.247 UTC | null | 2016-06-28 09:12:48.957 UTC | 2016-06-28 09:12:48.957 UTC | null | 975,520 | null | 589,195 | null | 1 | 8 | c# | 38,814 | <p>There are a few possibilities:</p>
<ul>
<li>ConfigOutput is a folder</li>
<li>ConfigOutput is a file that is in use (opened)</li>
<li>You're not logged in as User 'Ash'</li>
</ul>
<p>You should not normally have to run as Admin to write to your own Documents folder. </p> |
10,474,306 | What's the main benefit of using eval() in JavaScript? | <p>I know this may be a newbie question, but I'm curious as to the main benefit of <code>eval()</code> - where would it be used best? I appreciate any info.</p> | 10,474,424 | 15 | 5 | null | 2012-05-06 21:06:11.143 UTC | 11 | 2019-12-24 10:10:35.56 UTC | 2012-05-06 21:30:12.957 UTC | null | 763,029 | null | 763,029 | null | 1 | 51 | javascript|eval | 43,347 | <p>The <code>eval</code> function is best used: Never.</p>
<p>It's purpose is to evaluate a string as a Javascript expression. Example:</p>
<pre><code>eval('x = 42');
</code></pre>
<p>It has been used a lot before, because a lot of people didn't know how to write the proper code for what they wanted to do. For examp... |
31,715,310 | Convert timestamp string to long in java | <p>I have to fetch time stamp from DB and retrieve only time and compare two time.</p>
<p>//below are the string values</p>
<pre><code> String st1 = "2015-07-24T09:39:14.000Z";
String st2 = "2015-07-24T09:45:44.000Z";
</code></pre>
<p>//retrieving only time <strong>09:39:14</strong></p>
<pre><code> String s ... | 31,715,446 | 6 | 3 | null | 2015-07-30 04:43:18.597 UTC | 1 | 2019-03-21 00:26:14.62 UTC | 2019-03-21 00:26:14.62 UTC | null | 4,257,225 | null | 4,257,225 | null | 1 | 8 | java|string|numberformatexception | 53,470 | <p>Another option is by using SimpleDateFormat (May not be the best compare to JODA Time)</p>
<pre><code>public static void main(String[] args) throws ParseException {
String st1 = "2015-07-24T09:39:14.000Z";
String st2 = "2015-07-24T09:45:44.000Z";
String time1 = st1.substring(st1.indexOf("T"... |
10,312,521 | How do I fetch all Git branches? | <p>I cloned a Git repository containing many branches. However, <code>git branch</code> only shows one:</p>
<pre><code>$ git branch
* master
</code></pre>
<p>How would I pull all the branches locally so when I do <code>git branch</code>, it shows the following?</p>
<pre><code>$ git branch
* master
* staging
* etc...
</... | 10,312,587 | 36 | 10 | null | 2012-04-25 09:05:26.403 UTC | 695 | 2022-08-06 10:04:49.363 UTC | 2022-07-17 00:46:35.037 UTC | null | 365,102 | null | 651,174 | null | 1 | 2,096 | git|branch|git-branch | 2,226,135 | <h3>TL;DR answer</h3>
<pre class="lang-sh prettyprint-override"><code>git branch -r | grep -v '\->' | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g" | while read remote; do git branch --track "${remote#origin/}" "$remote"; done
git fetch --all
git pull --all
</code></pre>
<p>(It seems that pull fetch... |
33,961,756 | Disabling Pylint no member- E1101 error for specific libraries | <p>Is there anyway to hide <code>E1101</code> errors for objects that are created from a specific library? Our large repository is littered with <code>#pylint: disable=E1101</code> around various objects created by pandas.</p>
<p>For example, pylint will throw a no member error on the following code:</p>
<pre><code>... | 35,106,735 | 3 | 5 | null | 2015-11-27 16:48:01.087 UTC | 5 | 2019-06-21 09:02:22.927 UTC | 2015-11-27 22:24:23.797 UTC | null | 1,064,197 | null | 1,064,197 | null | 1 | 42 | pandas|pylint | 22,515 | <p>You can mark their attributes as dynamically generated using <code>generated-members</code> option.</p>
<p>E.g. for pandas:</p>
<pre><code>generated-members=pandas.*
</code></pre> |
22,736,641 | XOR on two lists in Python | <p>I'm a beginner in Python, and I have to do the XOR between two lists (the first one with the length : 600 and the other 60)</p>
<p>I really don't know how to do that, if somebody can explain me how, it will be a pleasure.</p>
<p>I have to do that to find the BPSK signal module, and I'm wondering on how doing that ... | 22,736,711 | 2 | 2 | null | 2014-03-29 20:42:08.503 UTC | 1 | 2014-03-30 00:24:11.62 UTC | 2017-05-23 12:06:48.517 UTC | null | -1 | user3464216 | null | null | 1 | 18 | python|list|python-2.7|xor | 47,015 | <p>Given sequences <code>seq1</code> and <code>seq2</code>, you can calculate the <a href="http://docs.python.org/2/library/stdtypes.html#set.symmetric_difference" rel="noreferrer">symmetric difference</a> with</p>
<pre><code>set(seq1).symmetric_difference(seq2)
</code></pre>
<p>For example,</p>
<pre><code>In [19]: ... |
22,715,086 | Scheduling Python Script to run every hour accurately | <p>Before I ask, <strong>Cron Jobs and Task Scheduler</strong> will be my last options, this script will be used across Windows and Linux and I'd prefer to have a coded out method of doing this than leaving this to the end user to complete.</p>
<p>Is there a library for Python that I can use to schedule tasks? I will n... | 22,715,345 | 14 | 3 | null | 2014-03-28 14:05:37.127 UTC | 75 | 2022-07-12 20:05:58.59 UTC | 2020-06-20 09:12:55.06 UTC | null | -1 | null | 2,453,153 | null | 1 | 90 | python|python-3.x|cron|scheduled-tasks|cron-task | 200,171 | <p>Maybe this can help: <a href="http://apscheduler.readthedocs.io/" rel="noreferrer">Advanced Python Scheduler</a></p>
<p>Here's a small piece of code from their documentation:</p>
<pre><code>from apscheduler.schedulers.blocking import BlockingScheduler
def some_job():
print "Decorated job"
scheduler = Blockin... |
13,478,464 | How to send data from JQuery AJAX request to Node.js server | <p><strong>What i want to do:</strong><br>
Simply send some data (json for example), to a node.js http server, using jquery ajax requests.</p>
<p>For some reason, i can't manage to get the data on the server, cause it never fires the 'data' event of the request.</p>
<p><strong>Client code:</strong></p>
<pre><code>$.... | 13,479,273 | 1 | 2 | null | 2012-11-20 17:14:44.487 UTC | 12 | 2012-11-20 21:08:26.747 UTC | 2012-11-20 21:08:26.747 UTC | null | 608,097 | null | 608,097 | null | 1 | 20 | node.js|jquery|request | 61,606 | <p>To get the 'data' event to fire on the node.js server side, you have to POST the data. That is, the 'data' event only responds to POSTed data. Specifying 'jsonp' as the data format forces a GET request, since jsonp is defined in the jquery documentation as:</p>
<blockquote>
<p>"jsonp": Loads in a JSON block usi... |
13,436,467 | JavaScript NoSQL Injection prevention in MongoDB | <p>How can I prevent JavaScript NoSQL injections into MongoDB?</p>
<p>I am working on a Node.js application and I am passing <code>req.body</code>, which is a json object, into the mongoose model's save function. I thought there were safeguards behind the scenes, but this doesn't appear to be the case.</p> | 13,438,800 | 4 | 6 | null | 2012-11-18 01:00:02.917 UTC | 8 | 2019-10-22 23:15:58.41 UTC | 2016-07-16 21:50:58.953 UTC | null | 1,476,885 | null | 1,810,660 | null | 1 | 26 | javascript|node.js|mongodb|mongoose|javascript-injection | 25,872 | <p><strong>Note</strong>
My answer is incorrect. Please refer to other answers.</p>
<p>--</p>
<p>As a client program assembles a query in MongoDB, it builds a BSON object,
not a string. Thus traditional SQL injection attacks are not a problem. </p>
<p>For details follow the <a href="http://docs.mongodb.org/manual/f... |
13,416,502 | Django: Search form in Class Based ListView | <p>I am trying to realize a <code>Class Based ListView</code> which displays a selection of a table set. If the site is requested the first time, the dataset should be displayed. I would prefer a POST submission, but GET is also fine.</p>
<p>That is a problem, which was easy to handle with <code>function based views</... | 13,528,456 | 7 | 4 | null | 2012-11-16 12:22:04.207 UTC | 20 | 2022-04-21 21:53:21.27 UTC | 2012-11-24 22:36:10.08 UTC | null | 631,348 | null | 729,241 | null | 1 | 31 | django|forms|listview|django-class-based-views | 49,419 | <p>I think your goal is trying to filter queryset based on form submission, if so, by using GET :</p>
<pre><code>class ProfileSearchView(ListView)
template_name = '/your/template.html'
model = Person
def get_queryset(self):
name = self.kwargs.get('name', '')
object_list = self.model.objects... |
13,532,084 | Set rowSpan or colSpan of a child of a GridLayout programmatically? | <p>I have a <code>GridLayout</code> with 5 columns and 3 rows. Now I can insert arbitrary child views, which is great. Even better is, that I can assign <code>columnSpan=2</code> to some item in order to span it to 2 columns (the same with rowSpan).</p>
<p>The problem now is, that I cannot assign rowSpan or columnSpan... | 13,536,958 | 6 | 0 | null | 2012-11-23 15:38:06.357 UTC | 12 | 2022-05-20 11:49:27.887 UTC | 2017-10-04 23:22:44.357 UTC | null | 3,755,692 | null | 1,463,757 | null | 1 | 34 | android|html|grid-layout|html-table|columnspan | 61,762 | <p>OK, I spent some hours figuring out what's going on here. Well, I didn't find any working way to set columnSpan or rowSpan at runtime.</p>
<p>But I found a solution that works (at least for me):</p>
<h3>Java code</h3>
<pre><code>private LinearLayout addNewSpannedView(Integer resourceId, ViewGroup rootElement) {
... |
13,713,572 | How is dynamic programming different from greedy algorithms? | <p>In the book I am using <a href="https://rads.stackoverflow.com/amzn/click/com/0201743957" rel="noreferrer" rel="nofollow noreferrer">Introduction to the Design & Analysis of Algorithms</a>, <em>dynamic programming</em> is said to focus on the <strong>Principle of Optimality</strong>, "An optimal solution to any ... | 13,713,735 | 7 | 3 | null | 2012-12-04 23:05:14.373 UTC | 28 | 2019-02-22 14:22:25.197 UTC | 2015-05-24 18:52:41 UTC | null | 3,924,118 | null | 27,483 | null | 1 | 43 | algorithm|dynamic-programming|greedy | 33,778 | <p>Dynamic programming is applicable to problems exhibiting the properties of:</p>
<ul>
<li>overlapping subproblems, and</li>
<li>optimal substructure.</li>
</ul>
<p>Optimal substructure means that you can greedily solve subproblems and combine the solutions to solve the larger problem. <strong>The difference betwee... |
3,821,468 | SQL atomic increment and locking strategies - is this safe? | <p>I have a question about SQL and locking strategies. As an example, suppose I have a view counter for the images on my website. If I have a sproc or similar to perform the following statements:</p>
<pre><code>START TRANSACTION;
UPDATE images SET counter=counter+1 WHERE image_id=some_parameter;
COMMIT;
</code></pre>
... | 3,821,780 | 2 | 1 | null | 2010-09-29 12:15:34.64 UTC | 15 | 2010-12-13 14:33:09.567 UTC | 2010-09-29 12:44:36.63 UTC | null | 83,741 | null | 83,741 | null | 1 | 47 | sql|locking|atomic|increment | 15,643 | <p><code>UPDATE</code> query places an update lock on the pages or records it reads.</p>
<p>When a decision is made whether to update the record, the lock is either lifted or promoted to the exclusive lock.</p>
<p>This means that in this scenario:</p>
<pre><code>s1: read counter for image_id=15, get 0, store in temp... |
45,553,339 | How use Kotlin enum with Retrofit? | <p>How can I parse JSON to model with enum?</p>
<p>Here is my enum class:</p>
<pre><code>enum class VehicleEnumEntity(val value: String) {
CAR("vehicle"),
MOTORCYCLE("motorcycle"),
VAN("van"),
MOTORHOME("motorhome"),
OTHER("other")
}
</code></pre>
<p>and I need to parse <code>type</code> into an enum<... | 45,553,707 | 2 | 6 | null | 2017-08-07 18:18:48.793 UTC | 6 | 2022-02-06 11:21:32.943 UTC | 2017-08-07 18:47:14.633 UTC | null | 1,011,435 | null | 3,198,230 | null | 1 | 32 | android|enums|gson|kotlin|retrofit2 | 17,912 | <pre><code>enum class VehicleEnumEntity(val value: String) {
@SerializedName("vehicle")
CAR("vehicle"),
@SerializedName("motorcycle")
MOTORCYCLE("motorcycle"),
@SerializedName("van")
VAN("van"),
@SerializedName("motorhome")
MOTORHOME("motorhome"),
@SerializedName("other")
OTHER("other"... |
28,498,295 | Spring Boot ConflictingBeanDefinitionException: Annotation-specified bean name for @Controller class | <p>I keep getting the <code>ConflictingBeanDefinitionException</code> error in my Spring boot application. I am not entirely sure as to how to address it, I have several <code>@Configuration</code> annotated classes helping to set up Thymeleaf, Spring Security and Web. Why is the application trying to setup the <code>h... | 28,503,680 | 7 | 5 | null | 2015-02-13 11:10:57.403 UTC | 2 | 2021-09-13 21:28:47.073 UTC | 2020-10-19 12:43:09.227 UTC | null | 1,746,685 | null | 1,384,464 | null | 1 | 26 | java|spring|spring-mvc|spring-security|spring-boot | 62,371 | <p>The solution, as I found out, is to disable double initialization by including a filter in the component scan. In my case:</p>
<pre><code>@EnableScheduling
@EnableAspectJAutoProxy
@EnableCaching
@Configuration
@ComponentScan(basePackages = { "org.kemri.wellcome.hie" },
excludeFilters = {@Filter(value = Control... |
9,198,440 | is there a maximum size to android internal storage allocated for an app? | <p>I want to save a json file with all the application data (something similar to preference) but im not sure what is the limit size, because if the app cant use this file it will not function probably. is this information known beforehand and the OS reserve some space for your app or its based on the size available. <... | 9,198,511 | 5 | 2 | null | 2012-02-08 17:31:29.343 UTC | 10 | 2021-04-09 07:58:28.863 UTC | 2017-05-23 10:30:46.61 UTC | null | -1 | null | 302,707 | null | 1 | 46 | android|storage|android-sdcard | 38,503 | <p>If you use <a href="http://developer.android.com/reference/android/os/Environment.html#getExternalStorageDirectory%28%29" rel="noreferrer"><code>Environment.getExternalStorageDirectory()</code></a> (or <a href="http://developer.android.com/reference/android/content/Context.html#getExternalFilesDir%28java.lang.String... |
16,054,596 | Change color of non-transparent parts of png in Java | <p>I am trying to automatically change the color for a set of icons.
Every icon has a white filled layer and the other part is transparent.
Here is an example: (in this case it's green, just to make it visible)</p>
<p><img src="https://i.stack.imgur.com/NWvnS.png" alt="icon search"></p>
<p>I tried to do the followin... | 16,054,867 | 4 | 0 | null | 2013-04-17 07:58:48.41 UTC | 12 | 2022-01-23 12:02:11.333 UTC | 2017-04-26 10:01:06.29 UTC | null | 1,177,083 | null | 1,177,083 | null | 1 | 19 | java|image|colors|png|transparency | 17,302 | <p>The problem is, that </p>
<pre><code>Color originalColor = new Color(image.getRGB(xx, yy));
</code></pre>
<p>discards all the alpha values. Instead you have to use </p>
<pre><code> Color originalColor = new Color(image.getRGB(xx, yy), true);
</code></pre>
<p>to keep alpha values available.</p> |
16,543,446 | how to make leaflet map height variable | <p>In my Application I was making div of map as</p>
<pre><code><div id="map" style="height: 610px; width:100%"></div>
</code></pre>
<p>but to make my map responsive I want to make height also 100%, if I make <code>height: 100%</code> then it is not working.</p>
<p>How can I make height also variable like... | 16,543,492 | 4 | 2 | null | 2013-05-14 12:41:36.923 UTC | 6 | 2021-12-10 06:17:58.223 UTC | 2013-05-14 13:02:38.967 UTC | null | 1,498,159 | null | 1,498,159 | null | 1 | 40 | css|leaflet | 62,911 | <p>You need to set the parent elements to <code>height: 100%;</code> first</p>
<pre><code>html, body {
height: 100%;
}
</code></pre>
<p><a href="http://jsfiddle.net/y8m7z/" rel="noreferrer"><strong>Demo</strong></a></p>
<p><a href="http://jsfiddle.net/y8m7z/1/" rel="noreferrer"><strike>Demo</strike></a> (This won... |
16,493,368 | Can TortoiseMerge be used as a difftool with Windows Git Bash? | <p>I'm just starting to work with Git. I would like to use TortoiseMerge as the difftool and mergetool.</p>
<p>In my <code>$HOME/.gitconfig</code> I have the following sections. I've removed the user and color sections for this question.</p>
<pre><code>[merge]
tool = tortoisemerge
[mergetool "tortoisemerge&qu... | 16,494,703 | 7 | 0 | null | 2013-05-11 03:10:27.21 UTC | 14 | 2022-03-17 01:30:41.443 UTC | 2020-07-16 10:13:32.88 UTC | null | 5,534,993 | null | 439,320 | null | 1 | 52 | git|tortoisegit|git-diff|tortoisegitmerge | 19,046 | <p>The following settings work fine for me. However, I am using TortoiseGit not TortoiseSVN. Notice the difference in the parameters for diff.</p>
<pre><code>[diff]
tool = tortoisediff
[difftool]
prompt = false
[merge]
tool = tortoisemerge
[mergetool]
prompt = false
keepBackup = false
[difftool "tortoisediff... |
41,762,947 | How to get and print response from Httpclient.SendAsync call | <p>I'm trying to get a response from a HTTP request but i seem to be unable to. I have tried the following:</p>
<pre><code>public Form1() {
HttpClient client = new HttpClient();
client.BaseAddress = new Uri("someUrl");
string content = "someJsonString";
HttpRequestMessage sendRequest = new HttpRe... | 41,764,220 | 1 | 6 | null | 2017-01-20 11:46:11.073 UTC | 1 | 2022-08-16 09:48:28.483 UTC | 2018-01-16 12:38:53.65 UTC | null | 4,390,133 | null | 7,127,982 | null | 1 | 6 | c#|asynchronous|httpclient | 50,129 | <p>here is a way to use <code>HttpClient</code>, and this should read the response of the request, in case the request return status 200, (the request is not <code>BadRequest</code> or <code>NotAuthorized</code>)</p>
<pre><code>string url = 'your url here';
// usually you create on HttpClient per Application (it is th... |
60,518,658 | How to get logs of deployment from Kubernetes? | <p>I am creating an InfluxDB deployment in a Kubernetes cluster (v1.15.2), this is my yaml file:</p>
<pre><code>apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: monitoring-influxdb
namespace: kube-system
spec:
replicas: 1
template:
metadata:
labels:
task: monitoring
k8s-... | 62,831,466 | 3 | 4 | null | 2020-03-04 03:30:29.117 UTC | 7 | 2021-06-29 08:33:06.177 UTC | 2021-06-29 08:33:06.177 UTC | null | 16,281,483 | null | 2,628,868 | null | 1 | 45 | kubernetes | 48,776 | <pre class="lang-sh prettyprint-override"><code>kubectl logs deployment/<name-of-deployment> # logs of deployment
kubectl logs -f deployment/<name-of-deployment> # follow logs
</code></pre> |
17,537,687 | If Cell in Range Contains Value Then Insert Comment in Adjacent Cell | <p>I hope the title clarifies the objective. All of my attempts fail miserably, for example:</p>
<pre><code>Private Sub Worksheet_Change(ByVal Target As Range)
With Range("A1:A10") = "blah"
Range("A1:A10").Offset(0, 1).AddComment "fee"
Range("A1:A10").Offset(0, 2).AddComment "fi"
Range("A1... | 17,537,877 | 1 | 0 | null | 2013-07-08 23:36:26.777 UTC | 1 | 2013-07-09 17:01:42.803 UTC | 2018-07-09 19:34:03.733 UTC | null | -1 | null | 2,487,576 | null | 1 | 4 | vba|excel | 41,526 | <pre><code>Private Sub Worksheet_Change(ByVal Target As Range)
Dim rng As Range, cell as Range
On Error Goto haveError
'see if any changes are in the monitored range...
Set rng = Application.Intersect(Target, Me.Range("A1:A10"))
If Not rng is Nothing Then
'Next line prevents code updates fro... |
17,539,236 | How to replace/name keys in a Javascript key:value object? | <p>How should I replace the key strings in a Javascript key:value hash map (as an object)?</p>
<p>This is what I have so far:</p>
<pre><code>var hashmap = {"aaa":"foo", "bbb":"bar"};
console.log("before:");
console.log(hashmap);
Object.keys(hashmap).forEach(function(key){
key = key + "xxx";
console.log("changi... | 17,539,261 | 5 | 1 | null | 2013-07-09 03:06:52.543 UTC | 3 | 2022-06-09 06:17:23.193 UTC | 2018-10-31 14:55:54.267 UTC | null | 114,900 | null | 733,034 | null | 1 | 13 | javascript | 64,292 | <p>It has nothing to do with scope. <code>key</code> is just a local variable, it's not an alias for the actual object key, so assigning it doesn't change the object.</p>
<pre><code>Object.keys(hashmap).forEach(function(key) {
var newkey = key + "xxx";
hashmap[newkey] = hashmap[key];
delete hashmap[key];
});
</c... |
11,499,287 | Editing data from MySQL via PHP | <p>I am running into a frustrating problem with a PHP script that's supposed to allow me to edit individual rows within my MySQL database.</p>
<p>This is the file where all of the rows from the database are displayed; it works just like it's supposed to. </p>
<pre><code><table cellpadding="10">
<tr>
<t... | 11,499,460 | 9 | 2 | null | 2012-07-16 06:44:11.25 UTC | 5 | 2021-09-28 16:19:02.457 UTC | null | null | null | null | 1,010,462 | null | 1 | 4 | php|mysql | 46,387 | <p><strong>StudentEdit.php:</strong> you forgot to call <code>@mysql_select_db($database) or die( "Unable to select database");</code> before you executed the query</p> |
21,517,102 | Regex to match md5 hashes | <p>What type of regex should be used to match a md5 hash. </p>
<p>how to validate this type of string <code>00236a2ae558018ed13b5222ef1bd987</code></p>
<p>i tried something like this: <code>('/^[a-z0-9]/')</code> but it didnt work.</p>
<p>how to achieve this? thanks</p> | 21,517,123 | 2 | 7 | null | 2014-02-02 22:28:31.533 UTC | 0 | 2014-02-02 22:38:03.69 UTC | null | null | null | null | 2,244,946 | null | 1 | 23 | php|regex|match | 41,064 | <p>This is a PCRE that will match a MD5 hash:</p>
<pre><code>define('R_MD5_MATCH', '/^[a-f0-9]{32}$/i');
if(preg_match(R_MD5_MATCH, $input_string)) {
echo "It matches.";
} else {
echo "It does not match.";
}
</code></pre> |
19,813,719 | await keyword blocks main thread | <p>So I have the following code</p>
<pre><code>private async void button1_Click(object sender, EventArgs e)
{
await DoSomethingAsync();
MessageBox.Show("Test");
}
private async Task DoSomethingAsync()
{
for (int i = 0; i < 1000000000; i++)
{
int a = 5;
}; // simulate job
MessageBo... | 19,813,877 | 4 | 4 | null | 2013-11-06 13:44:33.337 UTC | 12 | 2021-12-30 11:07:59.563 UTC | 2018-02-07 14:51:20.083 UTC | null | 2,463,281 | null | 2,463,281 | null | 1 | 22 | c#|async-await | 23,152 | <p>I think you misunderstand what async means. <strong>It doesn't mean that the method runs in another thread!!</strong></p>
<p>An async method runs synchronously until the first <code>await</code>, then returns a <code>Task</code> to the caller (unless it's <code>async void</code>, then it returns nothing). When the t... |
17,161,285 | Exception :com.sun.jersey.spi.inject.Errors$ErrorMessagesException | <p>I am using the Jersey API for the web services. I am sending the multipart data from client to server. I am getting exception when web services start to execute.</p>
<pre><code>@POST
@Path("uploadphoto")
@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces("text/plain")
public String uploadNotices(@FormDataParam("fil... | 17,161,572 | 11 | 1 | null | 2013-06-18 05:39:08.42 UTC | 3 | 2020-09-04 20:07:02.543 UTC | 2018-10-03 08:06:02.333 UTC | null | 839,554 | null | 2,455,259 | null | 1 | 23 | java|jakarta-ee|jersey | 57,848 | <p>It seems your missing few jars in your project.Try adding these to your project:</p>
<blockquote>
<p><strong>jersey-multipart.jar</strong></p>
<p><strong>mimepull.jar</strong></p>
</blockquote>
<p>If you are using maven, you can add this dependency:</p>
<pre><code><dependency>
<groupId>com.sun.je... |
17,612,364 | Difference between save and saveOrUpdate method hibernate | <p>Normally I had read about save() method generates new identifier for object and only fire <strong>INSERT</strong> and save it, it does not update it, while saveOrUpdate() method may <strong>INSERT</strong> or <strong>UPDATE</strong> record.</p>
<p>But as per my experience, Here I can explains better by sample code,... | 17,612,564 | 4 | 1 | null | 2013-07-12 10:02:34.997 UTC | 7 | 2015-10-05 16:18:35.603 UTC | null | null | null | null | 1,508,629 | null | 1 | 25 | java|hibernate | 91,146 | <p><strong>save</strong></p>
<p>Save <code>method</code> stores an <code>object</code> into the database. It will Persist the given transient instance, first assigning a generated identifier.
It <code>returns</code> the <strong>id</strong> of the entity created.</p>
<p>Whereas,</p>
<p><strong>SaveOrUpdate()</strong>... |
17,520,964 | How to create ArrayList (ArrayList<Integer>) from array (int[]) in Java | <p>I have seen the question: <a href="https://stackoverflow.com/questions/157944/how-to-create-arraylist-arraylistt-from-array-t">Create ArrayList from array</a></p>
<p>However when I try that solution with following code, it doesn't quite work in all the cases:</p>
<pre><code>import java.util.ArrayList;
import java.... | 17,520,983 | 5 | 2 | null | 2013-07-08 07:15:52.927 UTC | 15 | 2014-11-02 09:47:13.053 UTC | 2017-05-23 11:46:58.05 UTC | null | -1 | null | 1,119,997 | null | 1 | 29 | java|arrays|generics|collections | 103,296 | <p>The problem in</p>
<pre><code>intList = new ArrayList<Integer>(Arrays.asList(intArray));
</code></pre>
<p>is that <code>int[]</code> is considered as a single <code>Object</code> instance since a primitive array extends from <code>Object</code>. This would work if you have <code>Integer[]</code> instead of <... |
17,474,412 | Removing Ignored Android Studio (or Intellij) Update Builds | <p>When an Android Studio update is posted and you mistakenly click on <code>Ignore This Update</code> how do you apply the update without having to reinstall Android Studio?</p> | 17,474,413 | 4 | 1 | null | 2013-07-04 16:00:17.63 UTC | 10 | 2019-11-02 15:15:47.923 UTC | null | null | null | null | 1,373,278 | null | 1 | 46 | android|intellij-idea|updates|android-studio | 9,130 | <p><strong>Update</strong></p>
<p>As of the latest version of Android Studio, there is now a Preference in the UI <a href="https://stackoverflow.com/a/46999038/1373278">noted in an answer by Yogesh Umesh Vaity</a></p>
<p><strong>Original Answer</strong></p>
<p>The simple way to revert a mistaken choice is to close A... |
17,202,128 | Rounded cornes (border radius) Safari issue | <pre class="lang-css prettyprint-override"><code>.activity_rounded {
-webkit-border-radius: 50%;
-moz-border-radius: 50%;
border-radius: 50%;
-khtml-border-radius: 50%;
border: 3px solid #fff;
behavior: url(css/PIE.htc);
}
</code></pre>
<pre class="lang-html prettyprint-override"><code><img s... | 17,210,864 | 11 | 7 | null | 2013-06-19 21:59:43.26 UTC | 15 | 2022-06-19 07:41:28.843 UTC | 2022-06-19 07:41:28.843 UTC | null | 11,870,285 | null | 867,418 | null | 1 | 61 | html|css | 96,571 | <p>To illustrate the problem in Safari, let's begin with a plain image.</p>
<p><img src="https://i.stack.imgur.com/yVesQ.png" height="150"></p>
<p>Here we have an image of 100px x 100px. Adding a border of 3px increases the element dimensions to 106px x 106px:</p>
<p><img src="https://i.stack.imgur.com/aCk3m.png" he... |
18,348,797 | Why is it considered bad practice in Java to call a method from within a constructor? | <p>In Java, why is it considered bad practice to call a method from within a constructor? Is it especially bad if the method is computationally heavy?</p> | 18,369,062 | 3 | 3 | null | 2013-08-21 04:20:11.463 UTC | 18 | 2020-01-12 05:06:08.217 UTC | 2020-01-12 05:06:08.217 UTC | null | 3,204,692 | null | 2,380,088 | null | 1 | 25 | java | 21,738 | <p>First, in general there's no problem with calling methods in a constructor. The issues are specifically with the particular cases of calling overridable methods of the constructor's class, and of passing the object's <code>this</code> reference to methods (including constructors) of other objects.</p>
<p>The reason... |
23,348,456 | Modify CSS classes using Javascript | <p>I was wondering if there is an easy way to change the CSS classes in JavaScript.
I have gone through all other similar questions here and I couldn't find an straight-forward and simple solution.</p>
<p>what I'm trying to do is to set the width and height of a <code><div></code> to match an image that I have o... | 23,348,564 | 3 | 6 | null | 2014-04-28 18:22:12.497 UTC | 7 | 2018-10-09 08:10:17.6 UTC | 2014-04-28 18:32:35.223 UTC | null | 1,326,008 | null | 1,326,008 | null | 1 | 29 | javascript|css | 73,200 | <p>The reason only one or the other works is because in your second line of code, you destroy the whole <code>style</code> attribute, and recreate it. Note that <code>setAttribute()</code> overwrites the whole attribute.</p>
<p>A better solution would be to use the <code>element.style</code> property, not the attribut... |
5,264,355 | RSpec failure: could not find table after migration...? | <p>I have a naked rails 3 app with one model, generated using <code>rails g model User</code>.</p>
<p>I've added a factory (using <code>factory_girl_rails</code>):</p>
<pre><code>Factory.define :user do |f|
f.email "test@test.com"
f.password "blah"
f.password_confirmation "blah"
f.display_name "neezer"
end
</... | 5,264,371 | 3 | 0 | null | 2011-03-10 18:53:54.247 UTC | 16 | 2014-08-04 09:53:28.557 UTC | 2014-08-03 19:03:02.99 UTC | user456814 | null | null | 32,154 | null | 1 | 29 | ruby-on-rails|ruby-on-rails-3|rspec|factory-bot | 10,320 | <p>Try to execute </p>
<pre><code>rake db:test:prepare
</code></pre>
<p>This should fix your tests db.</p> |
5,476,673 | CSS Justify text, fill space with dots | <blockquote>
<p><strong>Possible Duplicate:</strong><br>
<a href="https://stackoverflow.com/questions/3097851/fill-available-spaces-between-labels-with-dots-or-hyphens">Fill available spaces between labels with dots or hyphens</a> </p>
</blockquote>
<p>Any way to format text like this with simple CSS? I have a ... | 5,476,886 | 3 | 6 | null | 2011-03-29 17:44:10.9 UTC | 6 | 2011-08-11 07:00:58.22 UTC | 2017-05-23 12:02:48.803 UTC | null | -1 | null | 2,542 | null | 1 | 35 | css|xhtml | 35,798 | <p>Here's an elegant and unobtrusive one with some limitations (see below).</p>
<p><a href="http://jsfiddle.net/j6JWT/7/">JSFiddle</a></p>
<p>CSS:</p>
<pre><code>dl { width: 400px }
dt { float: left; width: 300px; overflow: hidden; white-space: nowrap }
dd { float: left; width: 100px; overflow: hidden }
dt:after { ... |
5,210,778 | Elegant way to make all dirs in a path | <p>Here are four paths:</p>
<pre><code>p1=r'\foo\bar\foobar.txt'
p2=r'\foo\bar\foo\foo\foobar.txt'
p3=r'\foo\bar\foo\foo2\foobar.txt'
p4=r'\foo2\bar\foo\foo\foobar.txt'
</code></pre>
<p>The directories may or may not exist on a drive. What would be the most elegant way to create the directories in each path?</p>
<p>... | 5,210,790 | 3 | 1 | null | 2011-03-06 13:32:26.81 UTC | 6 | 2020-07-29 12:33:41.943 UTC | null | null | null | null | 559,807 | null | 1 | 65 | python|path | 32,393 | <p>You are looking for <a href="http://docs.python.org/library/os.html#os.makedirs" rel="noreferrer"><code>os.makedirs()</code></a> which does exactly what you need.</p>
<p>The documentation states:</p>
<blockquote>
<p>Recursive directory creation function.
Like mkdir(), but makes all
intermediate-level directo... |
5,200,187 | Convert InputStream to BufferedReader | <p>I'm trying to read a text file line by line using InputStream from the assets directory in Android.</p>
<p>I want to convert the InputStream to a BufferedReader to be able to use the readLine().</p>
<p>I have the following code:</p>
<pre><code>InputStream is;
is = myContext.getAssets().open ("file.txt");
Buffered... | 5,200,207 | 3 | 0 | null | 2011-03-04 22:56:53.61 UTC | 23 | 2019-10-10 16:48:32.05 UTC | 2019-10-10 16:48:32.05 UTC | null | 140,750 | null | 591,452 | null | 1 | 166 | java|android|inputstream|readline|bufferedreader | 205,519 | <p><code>BufferedReader</code> can't wrap an <code>InputStream</code> directly. It wraps another <code>Reader</code>. In this case you'd want to do something like:</p>
<pre><code>BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
</code></pre> |
9,606,614 | Cleaning noise out of Java stack traces | <p>My Java stack traces have a lot of entries that I don't care about, showing method invocation going through proxies and Spring reflection methods and stuff like that. It can make it pretty hard to pick out the part of the stack trace that's actually from my code. Ruby on Rails includes a "stack trace cleaner" where ... | 9,607,068 | 6 | 4 | null | 2012-03-07 17:51:59.397 UTC | 6 | 2019-08-18 03:11:55.07 UTC | null | null | null | null | 11,284 | null | 1 | 33 | java|exception|stack-trace | 8,365 | <p><a href="/questions/tagged/eclipse" class="post-tag" title="show questions tagged 'eclipse'" rel="tag">eclipse</a> has a preference <strong>Stack trace filter patterns</strong> (look at <em>java</em> > <em>junit</em> or search for <code>stacktrace</code> in the preferences). You can ignore packages (also with wildca... |
9,570,642 | Send SMS programmatically, without the SMS composer window | <p>Until yesterday I thought that it was not possible to send background SMS without using the IOS SMS interface (Which many people here assure also). However, today I downloaded a new app called SmartSender, which schedules your SMS and then sends it automatically.</p>
<p>I tested it and the SMS is not actually sent ... | 13,143,305 | 6 | 5 | null | 2012-03-05 16:56:28.777 UTC | 9 | 2014-11-26 13:32:25 UTC | 2012-11-25 18:49:05.583 UTC | null | 815,724 | null | 505,152 | null | 1 | 15 | iphone|interface|sms | 25,944 | <p>In fact it is not possible; however it was when the question was answered. </p>
<p>The App in question has now specified in its description that it won't work under IOS 6, so I think apple patched some bug that could be exploited to achieve this functionality.</p> |
18,372,961 | How to search a file in PhpStorm? | <ol>
<li><p>Eclipse has this feature where you can <em>search any file in your folder</em>. Is there any such feature in PhpStorm?</p></li>
<li><p>Is there a shortcut for indentation and how can I customize that?</p></li>
</ol>
<p>Googled it, but no results.</p> | 18,373,397 | 5 | 5 | null | 2013-08-22 06:16:18.247 UTC | 11 | 2019-06-14 10:04:36.917 UTC | 2016-04-20 04:18:35.537 UTC | null | 1,402,846 | null | 2,463,734 | null | 1 | 87 | php|phpstorm | 88,647 | <p>From the Menu of PHPStorm Choose <strong>Navigate</strong> -> <strong>File</strong> or use the shortcut <kbd>ALT</kbd>+<kbd>SHIFT</kbd>+<kbd>O</kbd> or <kbd>CMD</kbd>+<kbd>SHIFT</kbd>+<kbd>O</kbd> or <kbd>CTRL</kbd>+<kbd>SHIFT</kbd>+<kbd>N</kbd> (as per the edit). Type the required file name you want to search. Done... |
18,759,206 | How to add subview inside UIAlertView for iOS 7? | <p>I am having an application on iTunes store which displays some <code>UILabel</code> and <code>UIWebView</code> on <code>UIAlertView</code>. According to session video, <code>addSubView</code> for <code>UIAlertView</code> will not work. They have talked about <code>ContentView</code>. But in the GM Seeds SDK, I could... | 21,067,447 | 6 | 4 | null | 2013-09-12 08:28:32.893 UTC | 15 | 2014-11-04 20:27:30.117 UTC | 2014-07-20 15:04:36.35 UTC | null | 2,792,531 | null | 1,168,908 | null | 1 | 22 | ios|objective-c|ios7|uialertview | 41,461 | <p>You can really change <em>accessoryView</em> to <em>customContentView</em> in iOS7 (and it seems that in iOS8 as well) UIAlertView</p>
<pre><code>[alertView setValue:customContentView forKey:@"accessoryView"];
</code></pre>
<p>Try this code:</p>
<pre><code>UIAlertView *av = [[UIAlertView alloc] initWithTitle:@"TE... |
18,406,369 | Qt: can't find -lGL error | <p>I just reinstalled QtCreator, created new project (<em>Qt Application</em>) an got this after compilation: </p>
<pre><code>/usr/bin/ld: **cannot find -lGL**
collect2: error: ld returned 1 exit status
make: *** [untitled1] Error 1
18:07:41: The process "/usr/bin/make" exited with code 2.
Error while building/deployi... | 18,503,519 | 8 | 3 | null | 2013-08-23 15:18:28.483 UTC | 32 | 2020-05-16 08:23:07.037 UTC | 2014-04-21 06:45:37.85 UTC | null | 2,682,142 | null | 1,953,342 | null | 1 | 122 | c++|qt|compiler-construction|qt-creator|ubuntu-13.04 | 103,995 | <p>You should install package "libgl1-mesa-dev":</p>
<pre><code>sudo apt install libgl1-mesa-dev
</code></pre> |
15,422,527 | Best practices: how do you list required dependencies in your setup.py? | <p>This is how I do it currently:</p>
<pre><code>import os
from setuptools import setup, find_packages
here = os.path.abspath(os.path.dirname(__file__))
requires = [
'pyramid',
'pyramid_debugtoolbar',
'waitress',
'requests',
'mock',
'gunicorn',
'mongoengine',
]
setup(name='repoapi',
... | 15,422,703 | 2 | 1 | null | 2013-03-15 00:09:33.307 UTC | 12 | 2020-04-16 11:09:16.363 UTC | 2018-01-18 10:22:09.683 UTC | null | 509,706 | null | 230,884 | null | 1 | 59 | python | 42,185 | <p>You can split up your requirements into "install" dependencies and "test" dependencies like this:</p>
<pre><code>import os
from setuptools import setup, find_packages
here = os.path.abspath(os.path.dirname(__file__))
install_requires = [
'pyramid',
'pyramid_debugtoolbar',
'waitress',
'requests',
... |
15,315,452 | Selecting with complex criteria from pandas.DataFrame | <p>For example I have simple DF:</p>
<pre><code>import pandas as pd
from random import randint
df = pd.DataFrame({'A': [randint(1, 9) for x in range(10)],
'B': [randint(1, 9)*10 for x in range(10)],
'C': [randint(1, 9)*100 for x in range(10)]})
</code></pre>
<p>Can I select values... | 15,315,507 | 5 | 2 | null | 2013-03-09 20:17:49.17 UTC | 147 | 2022-07-22 01:28:55.677 UTC | 2022-07-22 01:28:55.677 UTC | null | 19,123,103 | null | 1,818,608 | null | 1 | 327 | python|pandas | 833,481 | <p>Sure! Setup:</p>
<pre><code>>>> import pandas as pd
>>> from random import randint
>>> df = pd.DataFrame({'A': [randint(1, 9) for x in range(10)],
'B': [randint(1, 9)*10 for x in range(10)],
'C': [randint(1, 9)*100 for x in range(10)]})
>>> ... |
28,177,917 | Uncaught TypeError: Cannot read property 'createDocumentFragment' of undefined | <p>I am trying to grab a webpage and load into a bootstrap 2.3.2 popover. So far I have:</p>
<pre><code>$.ajax({
type: "POST",
url: "AjaxUpdate/getHtml",
data: {
u: 'http://stackoverflow.com'
},
dataType: 'html',
error: function(jqXHR, textStatus, errorThrown) {
console.log('error');
console.lo... | 28,179,245 | 3 | 2 | null | 2015-01-27 18:56:06.44 UTC | 7 | 2021-04-23 09:39:57.847 UTC | 2015-01-27 21:10:23.663 UTC | null | 1,960,455 | null | 1,592,380 | null | 1 | 67 | javascript|jquery|twitter-bootstrap | 99,295 | <p>The reason for the error is the <code>$(this).html($link);</code> in your <code>.done()</code> callback.</p>
<p><code>this</code> in the callback refers to the <code>[...]object that represents the ajax settings used in the call ($.ajaxSettings merged with the settings passed to $.ajax)[...]</code> and not to the ... |
7,837,330 | Generic one-to-one relation in Django | <p>I need to set up one-to-one relation which must also be generic. May be you can advice me a better design. So far I came up to the following models</p>
<pre><code>class Event(models.Model):
# skip event related fields...
content_type = models.ForeignKey(ContentType)
object_id = models.Posit... | 9,295,723 | 2 | 1 | null | 2011-10-20 14:18:48.473 UTC | 4 | 2022-06-03 19:20:17.91 UTC | 2011-10-23 18:20:24.7 UTC | null | 179,581 | null | 179,581 | null | 1 | 28 | python|django|django-models|django-admin|one-to-one | 8,082 | <p>I recently <a href="https://stackoverflow.com/questions/9199000/reversing-a-unique-generic-foreign-key-and-returning-an-object-as-opposed-to-a">came across this problem</a>. What you have done is fine, but you can generalise it a little bit more by creating a mixin that reverses the relationship transparently:</p>
... |
9,642,205 | How to force a script reload and re-execute? | <p>I have a page that is loading a script from a third party (news feed). The <code>src</code> url for the script is assigned dynamically on load up (per third party code).</p>
<pre><code><div id="div1287">
<!-- dynamically-generated elements will go here. -->
</div>
<script id="script0348710... | 9,642,359 | 6 | 8 | null | 2012-03-09 23:10:28.697 UTC | 29 | 2022-05-19 19:38:18.317 UTC | 2012-03-09 23:19:55.59 UTC | null | 751,484 | null | 751,484 | null | 1 | 105 | javascript|html|feed|script-tag | 242,682 | <p>How about adding a new script tag to <head> with the script to (re)load? Something like below:</p>
<pre><code><script>
function load_js()
{
var head= document.getElementsByTagName('head')[0];
var script= document.createElement('script');
script.src= 'source_file.js';
head.appe... |
31,176,592 | How to scale an image to cover entire parent div? | <p><a href="http://jsfiddle.net/Log82brL/15/" rel="nofollow noreferrer">http://jsfiddle.net/Log82brL/15/</a></p>
<p>This <code><img></code> isn't shrink wrapping as I would expect with <code>min-width:100%</code></p>
<p>I'm trying to shrink the <code><img></code> until either height or width matches the co... | 31,355,127 | 12 | 7 | null | 2015-07-02 05:57:36.63 UTC | 6 | 2022-08-31 15:26:22.58 UTC | 2022-08-31 15:26:22.58 UTC | null | 1,264,804 | null | 1,487,102 | null | 1 | 29 | javascript|html|image|css | 32,562 | <p><a href="http://jsfiddle.net/Log82brL/7/" rel="noreferrer">http://jsfiddle.net/Log82brL/7/</a></p>
<pre><code>#img {
width: 100%;
height: 100%;
object-fit: cover;
}
</code></pre>
<p>object-fit: cover allows the replaced content is sized to maintain its aspect ratio while filling the element’s entire content ... |
5,412,019 | How to get the last month data and month to date data | <p>Need help in writing the query to get the last month data as well as month to date data.</p>
<p>If today's date is Mar 23 2011, I need to retrieve the data from last month and the data till todays date(means Mar 23 2011). </p>
<p>If date is Apr 3 2011, data should consists of March month data and the data till Apr... | 5,412,138 | 4 | 0 | null | 2011-03-23 21:45:22.55 UTC | 7 | 2020-09-21 03:33:14.673 UTC | 2011-03-23 21:49:47.443 UTC | null | 78,522 | null | 543,509 | null | 1 | 11 | sql|sql-server|tsql|sql-server-2008 | 56,452 | <pre><code>Today including time info : getdate()
Today without time info : DATEADD(DAY, DATEDIFF(day, 0, getdate()), 0)
Tomorrow without time info : DATEADD(DAY, DATEDIFF(day, 0, getdate()), 1)
Beginning of current month : DATEADD(month, datediff(month, 0, getdate()), 0)
Beginning of last month : DATEADD(month, ... |
4,935,655 | How to trap the backspace key using jQuery? | <p>It does not appear the jQuery keyup, keydown, or keypress methods are fired when the backspace key is pressed. How would I trap the pressing of the backspace key?</p> | 4,936,565 | 4 | 4 | null | 2011-02-08 16:36:00.867 UTC | 7 | 2015-09-04 18:21:19.79 UTC | null | null | null | null | 94,508 | null | 1 | 36 | jquery | 123,713 | <p>try this one :</p>
<pre><code> $('html').keyup(function(e){if(e.keyCode == 8)alert('backspace trapped')})
</code></pre> |
5,272,216 | Is it possible to install both 32bit and 64bit Java on Windows 7? | <p>Is it possible to install both 32bit and 64bit Java on Windows 7?</p>
<p>I have some applications that I can run under 64bit, but there are some that only run under 32bit.</p> | 5,272,255 | 4 | 4 | null | 2011-03-11 11:17:19.22 UTC | 17 | 2017-04-20 13:29:18.66 UTC | 2012-12-18 03:07:04.67 UTC | null | 815,724 | null | 229,510 | null | 1 | 82 | windows-7|32bit-64bit|java | 188,329 | <p>Yes, it is absolutely no problem. You could even have multiple versions of both 32bit and 64bit Java installed at the same time on the same machine.</p>
<p>In fact, i have such a setup myself.</p> |
5,384,847 | Adding an item to an associative array | <pre class="lang-php prettyprint-override"><code>//go through each question
foreach($file_data as $value) {
//separate the string by pipes and place in variables
list($category, $question) = explode('|', $value);
//place in assoc array
$data = array($category => $question);
print_r($data);
}
</code>... | 5,384,855 | 5 | 0 | null | 2011-03-21 23:11:23.09 UTC | 20 | 2022-09-19 05:50:18.07 UTC | 2021-02-03 09:31:28.813 UTC | null | 11,044,542 | null | 185,672 | null | 1 | 105 | php|arrays|associative-array | 287,788 | <p>I think you want <code>$data[$category] = $question;</code></p>
<p>Or in case you want an array that maps categories to array of questions:</p>
<pre><code>$data = array();
foreach($file_data as $value) {
list($category, $question) = explode('|', $value, 2);
if(!isset($data[$category])) {
$data[$ca... |
5,335,745 | How do I handle multiple kinds of missingness in R? | <p>Many surveys have codes for different kinds of missingness. For instance, a codebook might indicate:</p>
<blockquote>
<p>0-99 Data</p>
<p>-1 Question not asked</p>
<p>-5 Do not know</p>
<p>-7 Refused to respond</p>
<p>-9 Module not asked</p>
</blockquote>
<p>Stata has a beautiful facility for handling these multipl... | 5,341,302 | 6 | 0 | null | 2011-03-17 06:43:11.693 UTC | 12 | 2013-08-25 17:03:06.22 UTC | 2020-06-20 09:12:55.06 UTC | null | -1 | null | 636,656 | null | 1 | 19 | r|data-structures|stata|survey|missing-data | 1,660 | <p>I know what you look for, and that is not implemented in R. I have no knowledge of a package where that is implemented, but it's not too difficult to code it yourself.</p>
<p>A workable way is to add a dataframe to the attributes, containing the codes. To prevent doubling the whole dataframe and save space, I'd add... |
12,148,281 | Mask String with characters | <p>Hey guy's I tried to find a way to hide a string, but the code that I found just work with my application... Is there a way to hide the characters in a string with either <code>*</code> or <code>-</code> and if there is can someone please explain </p> | 12,148,388 | 5 | 4 | null | 2012-08-27 19:25:36.553 UTC | 2 | 2020-03-12 02:47:10.287 UTC | 2020-02-21 14:28:37.987 UTC | null | 6,904,888 | null | 1,617,498 | null | 1 | 8 | java | 46,332 | <p>Is this for making a password? Consider the following:</p>
<pre><code>class Password {
final String password; // the string to mask
Password(String password) { this.password = password; } // needs null protection
// allow this to be equal to any string
// reconsider this approach if adding it to a m... |
12,627,422 | Custom Texture Shader in Three.js | <p>I'm just looking to create a very simple Fragment Shader that draws a specified texture to the mesh. I've looked at a handful of custom fragment shaders that accomplished the same and built my own shaders and supporting JS code around it. However, it's just not working. Here's a working abstraction of the code I'm t... | 12,628,857 | 1 | 1 | null | 2012-09-27 18:00:35.12 UTC | 12 | 2018-08-08 19:53:54.177 UTC | 2015-08-16 02:32:20.157 UTC | null | 1,704,159 | null | 1,704,159 | null | 1 | 34 | shader|textures|three.js|fragment-shader | 34,062 | <p>You are still using the old syntax for uniforms</p>
<pre><code>var uniforms = {
texture1: {
type: "t",
value: 0,
texture: THREE.ImageUtils.loadTexture("texture.jpg")
}
};
</code></pre>
<p>This is the new syntax </p>
<pre><code>var uniforms = {
texture1: { type: "t", value: THR... |
12,400,071 | ServiceStack: RESTful Resource Versioning | <p>I've taken a read to the <a href="https://github.com/ServiceStack/ServiceStack/wiki/Advantages-of-message-based-web-services">Advantages of message based web services</a> article and am wondering if there is there a recommended style/practice to versioning Restful resources in ServiceStack? The different versions ... | 12,413,091 | 3 | 0 | null | 2012-09-13 05:40:28.853 UTC | 38 | 2012-10-17 01:52:17.423 UTC | null | null | null | null | 1,667,502 | null | 1 | 39 | servicestack | 10,589 | <h2>Try to evolve (not re-implement) existing services</h2>
<p>For versioning, you are going to be in for a world of hurt if you try to maintain different static types for different version endpoints. We initially started down this route but as soon as you start to support your first version the development effort to ... |
12,268,835 | Is it possible to run python SimpleHTTPServer on localhost only? | <p>I have a vpn connection and when I'm running python -m SimpleHTTPServer, it serves on 0.0.0.0:8000, which means it can be accessed via localhost <strong>and</strong> via my real ip.
I don't want robots to scan me and interested that the server will be accessed only via localhost.</p>
<p>Is it possible? </p>
<pre><... | 12,268,922 | 3 | 3 | null | 2012-09-04 17:50:44.63 UTC | 34 | 2018-09-12 17:13:09.367 UTC | 2018-09-12 17:13:09.367 UTC | null | 745,828 | null | 1,639,431 | null | 1 | 100 | python|http|command-line|python-2.x|simplehttpserver | 121,101 | <p>If you read the source you will see that only the port can be overridden on the command line. If you want to change the host it is served on, you will need to implement the <code>test()</code> method of the <code>SimpleHTTPServer</code> and <code>BaseHTTPServer</code> yourself. But that should be really easy.</p>
... |
24,267,080 | Calling stored procedure using VBA | <p>I am working in Access 2010 user front-end with a Microsoft SQL Server 2008 back-end.</p>
<p>The tables in Access are all linked to the SQL server database.</p>
<p>I have a stored procedure that inserts new values (supplied by the parameters) into a table.</p>
<p>I asked a similar question previously and got a go... | 24,269,044 | 2 | 5 | null | 2014-06-17 14:57:31.433 UTC | 7 | 2020-07-08 19:46:10.597 UTC | 2020-07-08 19:46:10.597 UTC | null | 8,422,953 | null | 3,661,943 | null | 1 | 11 | sql-server|vba|ms-access|stored-procedures | 49,508 | <p>Victoria,</p>
<p>You can run a stored procedure using ADO, like below...</p>
<pre><code>Set mobjConn = New ADODB.Connection
mobjConn.Open "your connection string"
Set mobjCmd = New ADODB.Command
With mobjCmd
.ActiveConnection = mobjConn
.CommandText = "your stored procedure"
.CommandType = adCmdStored... |
22,493,723 | Node.js Asynchronous Library Comparison - Q vs Async | <p>I have used <a href="https://github.com/kriskowal/q">kriskowal's Q library</a> for a project (web scraper / human-activity simulator) and have become acquainted with promises, returning them and resolving/rejecting them, and the library's basic asynchronous control flow methods and error-throwing/catching mechanisms... | 26,883,101 | 3 | 7 | null | 2014-03-19 00:11:49.07 UTC | 10 | 2015-12-19 10:47:26.323 UTC | 2014-03-19 01:16:38.32 UTC | null | 1,468,130 | null | 1,468,130 | null | 1 | 28 | javascript|node.js|asynchronous|q | 12,956 | <p>Both libraries are good. I have discovered that they serve separate purposes and can be used in tandem.</p>
<p>Q provides the developer with promise objects, which are future representations of values. Useful for time travelling.</p>
<p>Async provides the developer with asynchronous versions of control structures ... |
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