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51k
18,789,973
Sortable table columns with AngularJs
<p>I'm trying to sort a table of data which is populated from a JSON source. The code I have is as follows:</p> <p>HTML:</p> <pre><code>&lt;div ng-app="myApp"&gt; &lt;div ng-controller="PurchasesCtrl"&gt; &lt;table cellspacing="0"&gt; &lt;tr class="first"&gt; &lt;th class="fir...
18,790,499
5
2
null
2013-09-13 15:26:06.56 UTC
6
2019-10-08 16:23:23.28 UTC
null
null
null
null
405,781
null
1
11
angularjs|angularjs-ng-repeat
40,165
<p>Updated jsfiddle: <a href="http://jsfiddle.net/gweur/">http://jsfiddle.net/gweur/</a></p> <p>sza is right, you did forget the $scope.sort object, but you are also missing the orderBy filter in your ng-repeat</p> <pre><code>|orderBy:sort.column:sort.descending </code></pre> <p>Additionally, you'll need to explicit...
19,205,547
Implementing Simple SeekBar in android
<p><strong>Filters.java</strong></p> <pre><code>public class Filters extends Activity implements OnSeekBarChangeListener{ private SeekBar PRICEbar,DISTANCEbar, RATINGbar; // declare seekbar object variable // declare text label objects private TextView PRICEtextProgress,DISTANCEtextProgress, RATINGtextProgr...
19,205,579
5
2
null
2013-10-06 04:50:23.433 UTC
3
2021-03-25 05:12:07.34 UTC
2021-03-25 05:10:50.347 UTC
null
874,188
null
1,083,093
null
1
14
android|xml|seekbar
54,770
<p>You have already defined max value of seekbar </p> <pre><code>android:max="100" </code></pre> <p>Now you need to add <strong>two textviews on left and right of seekbar</strong>. Use <strong>Relative layout</strong> and align both <strong>textviews Left and Right</strong> to the parent.</p>
27,711,184
Why is PIP raising an AssertionError on pip freeze?
<p>My console:</p> <pre><code>desarrollador@desarrollador-HP-14-Notebook-PC1:~$ pip freeze Exception: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 126, in main self.run(options, args) File "/usr/lib/python2.7/dist-packages/pip/commands/freeze.py"...
27,948,576
7
4
null
2014-12-30 19:15:29.453 UTC
6
2019-12-02 05:09:08.793 UTC
2019-12-02 05:09:08.793 UTC
null
498,256
null
1,105,249
null
1
39
pip
14,924
<p>Reason: The python-pip package in Ubuntu 12.04 is seriously outdated and has some bugs with certain package names (as I can see) and cannot parse them correctly.</p> <p>Solution: install a newer version of pip, via easy_install.</p>
1,104,599
Convert byte array to short array in C#
<p>I'm currently reading a file and wanted to be able to convert the array of bytes obtained from the file into a short array.</p> <p>How would I go about doing this?</p>
1,104,615
7
1
null
2009-07-09 15:23:28.097 UTC
4
2016-11-15 09:59:24.383 UTC
null
null
null
null
47,013
null
1
15
c#|bytearray
40,587
<p>One possibility is using <a href="http://msdn.microsoft.com/en-us/library/bb548891.aspx" rel="noreferrer"><code>Enumerable.Select</code></a>:</p> <pre><code>byte[] bytes; var shorts = bytes.Select(b =&gt; (short)b).ToArray(); </code></pre> <p>Another is to use <a href="http://msdn.microsoft.com/en-us/library/exc45...
748,965
What is a multibyte character set?
<p>Does the term multibyte refer to a charset whose characters can - but don't have to be - wider than 1 byte, (e.g. UTF-8) or does it refer to character sets which are in any case wider than 1 byte (e.g. UTF-16) ? In other words: What is meant if anybody talks about multibyte character sets?</p>
749,028
9
0
null
2009-04-14 19:17:46.103 UTC
8
2021-09-09 07:48:57.857 UTC
null
null
null
null
49,628
null
1
45
utf-8|terminology|multibyte
92,935
<p>The term is ambiguous, but in my internationalization work, we typically avoided the term "multibyte character sets" to refer to Unicode-based encodings. Generally, we used the term only for legacy encoding schemes that had one or more bytes to define each character (excluding encodings that require only one byte pe...
455,061
how do I check that two folders are the same in linux
<p>I have moved a web site from one server to another and I copied the files using SCP </p> <p>I now wish to check that all the files have been copied OK.</p> <p>How do I compare the sites?</p> <p>Count files for a folder?</p> <p>Get the total files size for folder tree?</p> <p>or is there a better way to compare ...
455,085
10
1
null
2009-01-18 12:36:32.797 UTC
12
2016-03-14 10:05:07.88 UTC
2009-01-18 13:27:52.577 UTC
Rob Wells
2,974
null
3,582
null
1
30
linux|web
26,828
<p>If you were using scp, you could probably have used <a href="http://samba.anu.edu.au/rsync/" rel="noreferrer">rsync</a>. </p> <p>rsync won't transfer files that are already up to date, so you can use it to verify a copy is current by simply running rsync again.</p> <p>If you were doing something like this on the o...
124,143
Why are Exceptions not Checked in .NET?
<p>I know Googling I can find an appropriate answer, but I prefer listening to your personal (and maybe technical) opinions.<br/> <strong>What is the main reason of the difference between Java and C# in throwing exceptions?</strong><br/> In Java the signature of a method that throws an exception has to use the "throws"...
124,175
10
0
null
2008-09-23 21:52:24.603 UTC
17
2016-03-11 21:47:50.383 UTC
2008-09-26 20:06:31.53 UTC
Dima
13,313
Scuffia
68,336
null
1
42
java|.net|exception
9,997
<p>Because the response to checked exceptions is almost always:</p> <pre><code>try { // exception throwing code } catch(Exception e) { // either log.error("Error fooing bar",e); // OR throw new RuntimeException(e); } </code></pre> <p>If you actually know that there is something you can do if a particula...
248,760
VB6 Editor changing case of variable names
<p>I'm not much of a Visual Basic person, but I am tasked with maintaining an old VB6 app. Whenever I check out a file, the editor will replace a bunch of the uppercase variable names with lowercase automatically. How can I make this stop!? I don't want to have to change them all back, and it's a pain to have these ...
248,853
10
1
null
2008-10-29 23:11:37.143 UTC
11
2021-03-17 20:36:16.273 UTC
2019-12-17 09:16:22.187 UTC
Mike Spross
12,258,312
Laure
32,613
null
1
42
ide|vb6
19,057
<p>Continuing from <a href="https://stackoverflow.com/questions/248760/vb6-editor-changing-case-of-variable-names#248773">DJ's answer</a>...</p> <p>And it won't only change the case of variables in the same scope either.</p> <p>It will change the case of all variables with the same name in your entire project. So eve...
270,138
How do I draw lines using XNA?
<p>I've read a bunch of tutorials involving XNA (and it's various versions) and I still am a little confused on drawing primitives. Everything seems to be really convoluted.</p> <p>Can someone show me, using code, the simplest XNA implementation of drawing one or two lines on to the screen? Perhaps with a brief expl...
270,179
10
0
null
2008-11-06 20:32:02.497 UTC
10
2020-04-25 18:34:42.12 UTC
2008-11-06 20:37:38.6 UTC
Simucal
2,635
Simucal
2,635
null
1
46
drawing|xna|lines|primitive|shapes
63,927
<p>When working with XNA, everything (even 2d primitives) have to be expressed in a way that a 3d card can understand, which means that a line is just a set of vertices.</p> <p>MSDN has a pretty good walkthrough here:</p> <p><a href="http://msdn.microsoft.com/en-us/library/bb196414.aspx#ID2EEF" rel="noreferrer">http:...
322,470
Can I invoke an instance method on a Ruby module without including it?
<h3>Background:</h3> <p>I have a module which declares a number of instance methods</p> <pre><code>module UsefulThings def get_file; ... def delete_file; ... def format_text(x); ... end </code></pre> <p>And I want to call some of these methods from within a class. How you normally do this in ruby is like this...
322,526
10
2
null
2008-11-26 23:03:37.793 UTC
52
2019-10-01 23:48:14.28 UTC
2014-09-11 16:06:09.63 UTC
Orion Edwards
322,020
Orion Edwards
234
null
1
206
ruby|module|methods
155,639
<p>If a method on a module is turned into a module function you can simply call it off of Mods as if it had been declared as</p> <pre><code>module Mods def self.foo puts "Mods.foo(self)" end end </code></pre> <p>The module_function approach below will avoid breaking any classes which include all of Mods.</p>...
708,352
How do I reinitialize or reset the properties of a class?
<p>I've created a class with properties that have default values. At some point in the object's lifetime, I'd like to "reset" the object's properties back to what they were when the object was instantiated. For example, let's say this was the class:</p> <pre><code>public class Truck { public string Name = "Super Tr...
708,363
11
0
null
2009-04-02 04:56:26.79 UTC
1
2022-05-18 20:32:38.503 UTC
null
null
null
Dylan
551
null
1
15
c#|class|properties|instantiation
59,586
<p>You can have the initialization in a method instead of inlining with the declaration. Then have the constructor and reset method call the initialization method:</p> <pre><code>public class Truck { public string Name; public int Tires; public Truck() { Init(); } public void ResetTruck() { ...
1,341,847
Apostrophe (') in XPath query
<p>I use the following <code>XPATH Query</code> to list the object under a site. <code>ListObject[@Title='SomeValue']</code>. SomeValue is dynamic. This query works as long as SomeValue does not have an apostrophe ('). Tried using escape sequence also. Didn't work. </p> <p>What am I doing wrong?</p>
1,352,556
11
2
null
2009-08-27 15:31:12.493 UTC
12
2022-06-09 05:31:17.26 UTC
2021-10-10 13:42:44.827 UTC
null
290,085
null
141,282
null
1
42
c#|java|xml|xpath
44,283
<p>This is surprisingly difficult to do.</p> <p>Take a look at the <a href="http://www.w3.org/TR/xpath" rel="noreferrer">XPath Recommendation</a>, and you'll see that it defines a literal as:</p> <pre><code>Literal ::= '"' [^"]* '"' | "'" [^']* "'" </code></pre> <p>Which is to say, string literals in ...
447,456
What the typical viewport size on a 1024x768 screen?
<p>I am designing a web application, and I wish to know the largest size (x and y) that I can design for.</p> <p><a href="http://www.w3schools.com/browsers/browsers_display.asp" rel="nofollow noreferrer">As of January 2008</a>, about half of users are using 1024x278 screens, and probably less than 10% are using smalle...
1,921,958
13
0
null
2009-01-15 16:28:01.26 UTC
8
2015-04-15 22:56:04.003 UTC
2017-05-23 12:17:05.463 UTC
null
-1
mcherm
14,570
null
1
25
html|browser|cross-browser
69,763
<p>Today I just came across a site which is HIGHLY relevant to this old question of mine. Apparently Google is willing to share their knowledge about browser window sizes. Their new service is at <a href="http://browsersize.googlelabs.com/" rel="nofollow noreferrer">http://browsersize.googlelabs.com/</a> and it basical...
226,689
Unique element ID, even if element doesn't have one
<p>I'm writing a GreaseMonkey script where I'm iterating through a bunch of elements. For each element, I need a string ID that I can use to reference that element later. The element itself doesn't have an <code>id</code> attribute, and I can't modify the original document to give it one (although I can make DOM change...
230,114
13
4
null
2008-10-22 16:58:56.097 UTC
8
2017-07-07 07:36:52.02 UTC
2008-10-23 15:04:27.76 UTC
Robert J. Walker
4,287
Robert J. Walker
4,287
null
1
42
javascript|firefox|dom|greasemonkey
43,020
<p><strong>UPDATE:</strong> Closures are indeed the answer. So after fiddling with it some more, I figured out why closures were initially problematic and how to fix it. The tricky thing with a closure is you have to be careful when iterating through the elements not to end up with all of your closures referencing the ...
334,708
GET parameters in the URL with CodeIgniter
<p>I know that codeIgniter turns off GET parameters by default. </p> <p>But by having everything done in POST, don't you get annoyed by the re-send data requests if ever you press back after a form submission?</p> <p>It annoys me, but I'm not sure if I want to allow GET purely for this reason.</p> <p>Is it such a b...
334,787
17
1
null
2008-12-02 17:05:36.66 UTC
22
2021-02-02 23:40:45.673 UTC
2011-11-09 11:40:40.303 UTC
null
42,106
null
42,106
null
1
49
html|codeigniter|post|get
205,596
<p>When I first started working with CodeIgniter, not using GET really threw me off as well. But then I realized that you can simulate GET parameters by manipulating the URI using the built-in <a href="http://codeigniter.com/user_guide/libraries/uri.html" rel="noreferrer">URI Class</a>. It's fantastic and it makes your...
6,935,006
Making curl send errors to stderr and everything else to stdout
<p>Is there a way to tell curl to output errors to stderr, and everything else to stdout?</p> <p>The reason is that I am using curl from the command line (actually a cronjob) to upload a file to an FTP site every evening. Unfortunately because curl outputs status information on stderr, I receive an e-mail about an er...
6,935,338
4
0
null
2011-08-04 00:49:35.463 UTC
3
2022-03-08 09:54:15.87 UTC
2016-12-22 08:16:57.887 UTC
null
308,237
null
308,237
null
1
43
curl|stdout|stderr
46,103
<p>After some more experimentation I have come up with the following workaround, but I'm still open to better alternatives.</p> <p>It works by temporarily storing all output (stdout and stderr) in a temporary file, and then sending the contents of that file to stderr or stdout depending on curl's exit code. If curl f...
6,374,874
How to change the default time zone in R?
<p>How can I change the default timezone in R? I'm working with time series. All my time series are defined in UTC time zone, but if I print a date it is always done in CET/CEST time zone. </p>
6,408,072
4
2
null
2011-06-16 15:55:52.107 UTC
21
2018-05-25 09:25:54.893 UTC
2018-05-25 09:25:54.893 UTC
null
202,229
Paul PUGET
802,890
null
1
69
r|timezone|date-arithmetic
59,375
<p>Another way to do it, without changing the whole computer time is using the setenv command like this : <code>Sys.setenv(TZ='GMT')</code></p>
6,873,973
How to find Control in TemplateField of GridView?
<p>How does <code>FindControl</code> method works if I need to find any <code>Control</code> which is inside <code>GridView</code> <code>Template</code>, more specifically <code>ItemTemplate</code>?</p> <p>I have a <code>hyperlink</code> but it is not able to find the same.</p> <p><strong>Question updated with code</...
6,874,083
7
0
null
2011-07-29 13:34:57.077 UTC
5
2019-02-18 13:00:34.183 UTC
2017-07-01 11:39:14.99 UTC
null
1,305,969
null
224,636
null
1
29
c#|asp.net|gridview|findcontrol|templatefield
212,320
<p>Try this:</p> <pre><code>foreach(GridViewRow row in GridView1.Rows) { if(row.RowType == DataControlRowType.DataRow) { HyperLink myHyperLink = row.FindControl("myHyperLinkID") as HyperLink; } } </code></pre> <p>If you are handling RowDataBound event, it's like this:</p> <pre><code>protected void Gr...
6,549,149
Extending the defaults of a Model superclass in Backbone.js
<p>I would like to pose this as a question to <a href="https://stackoverflow.com/questions/6505873/in-backbone-js-how-can-i-get-model-superclass-defaults-to-act-as-defaults-for-sub/6508530#6508530">this</a> answer but I can't seem to do so, I apologize.</p> <p>Extending the defaults for the subclass are reflected in t...
6,550,191
7
0
null
2011-07-01 14:15:48.157 UTC
8
2015-10-25 23:33:15.307 UTC
2017-05-23 12:16:50.12 UTC
null
-1
null
307,827
null
1
37
javascript|backbone.js|prototypal-inheritance
17,867
<p>The problem is that <code>Inventory.prototype.defaults</code> and <code>Extended.prototype.defaults</code> has the same reference, because you have not override the reference.</p> <p>So you can do this in 2 ways, maybe more but i only found this 2:</p> <p><strong>Edit:</strong> The first example is incorrect (see ...
6,340,664
Delete a particular local notification
<p>I am developing an iPhone alarm app based on local notifications.</p> <p>On deleting an alarm, the related local notification should get cancelled. But how can I determine exactly which object from the array of local notifications is to be cancelled?</p> <p>I am aware of <code>[[UIApplication sharedApplication] ca...
6,341,476
13
0
null
2011-06-14 07:57:36.77 UTC
47
2019-08-29 21:58:54.603 UTC
2017-11-06 04:58:21.453 UTC
null
2,303,865
null
770,817
null
1
92
objective-c|iphone|uilocalnotification|usernotifications
71,817
<p>You can save a unique value for key in your local notification's userinfo. Get all local notification, loop through the array and delete the particular notification.</p> <p>Code as follows,</p> <p><strong>OBJ-C:</strong></p> <pre><code>UIApplication *app = [UIApplication sharedApplication]; NSArray *eventArray = ...
45,500,836
Close multiple goroutine if an error occurs in one in go
<p>consider this function :</p> <pre><code>func doAllWork() error { var wg sync.WaitGroup for i := 0; i &lt; 2; i++ { wg.add(1) go func() { defer wg.Done() for j := 0; j &lt; 10; j++ { result, err := work(j) if err != nil { ...
45,502,591
3
4
null
2017-08-04 07:37:37.303 UTC
9
2020-09-30 17:01:11.623 UTC
2020-07-02 22:52:28.45 UTC
null
6,858,274
null
6,858,274
null
1
22
go|error-handling|synchronization|exit|goroutine
16,536
<p>You may use the <a href="https://golang.org/pkg/context/" rel="noreferrer"><code>context</code></a> package which was created for things like this (<em>"carries deadlines, cancelation signals..."</em>).</p> <p>You create a context capable of publishing cancelation signals with <a href="https://golang.org/pkg/contex...
41,495,658
Use custom build output folder when using create-react-app
<p>Facebook provides a <code>create-react-app</code> <a href="https://github.com/facebookincubator/create-react-app" rel="noreferrer">command</a> to build react apps. When we run <code>npm run build</code>, we see output in <code>/build</code> folder. </p> <blockquote> <p>npm run build</p> <p>Builds the app for...
41,495,859
17
2
null
2017-01-05 22:13:16.807 UTC
35
2022-01-10 23:07:52.497 UTC
null
null
null
null
4,130,867
null
1
142
reactjs|create-react-app
222,039
<p>Edit: Support for a configurable <code>BUILD_PATH</code> just landed into v4.0.2. See <a href="https://stackoverflow.com/a/66036117/1333836">t_dom93's answer</a>.</p> <p>You can't change the build output folder name with the current configuration options.</p> <p>Moreover, you shouldn't. This is a part of <a href="ht...
15,751,723
How to train a neural network to supervised data set using pybrain black-box optimization?
<p>I have played around a bit with pybrain and understand how to generate neural networks with custom architectures and train them to supervised data sets using backpropagation algorithm. </p> <p>However I am confused by the optimization algorithms and the concepts of tasks, learning agents and environments. </p> <p>...
15,868,489
1
1
null
2013-04-01 20:55:20.637 UTC
12
2015-08-05 00:39:35.81 UTC
2013-04-13 13:19:47.567 UTC
null
1,376,627
null
1,376,627
null
1
20
python|artificial-intelligence|neural-network|pybrain
10,815
<p>I finally worked it out!! Its always easy once you know how! </p> <p>Essentially the first arg to the GA is the fitness function (called evaluator in docs) which must take the second argument (an individual, called evaluable in docs) as its only arg. </p> <p>In this example will train to XOR</p> <pre><code>from p...
15,814,346
Is it possible to use css to make a background image "fade" or gradient the bottom portion to transparent so that a background color shows?
<p>I know that this can easily be done in any image editing program, I was just curious if there was a way just using css.</p> <p>Example:</p> <pre><code>body {background-color: #837960; background-image: url("Images/background.jpg") background-repeat: no-repeat;} </code></pre> <p>Could you use css to fade the backg...
15,814,561
3
7
null
2013-04-04 14:39:28.387 UTC
3
2019-02-23 14:27:05.74 UTC
null
null
null
null
1,839,715
null
1
23
css
67,623
<p>It is possible - in CSS3 you can set multiple values for background</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>body { background: #837960 url("https://i.stack.im...
15,641,898
Python: timezone.localize() not working
<p>I am having some issues getting <code>timezone.localize()</code> to work correctly. My goal is to grab today's date and convert it from CST to EST. Then finally format the datetime before spitting it out. I am able to format the date correctly, but the datetime is not changing from CST to EST. Additionally when I fo...
15,642,065
2
2
null
2013-03-26 16:09:21.183 UTC
2
2013-03-26 16:29:54.82 UTC
2013-03-26 16:29:54.82 UTC
null
1,086,571
null
1,086,571
null
1
27
python|datetime|timezone
41,632
<p><code>.localize()</code> takes a naive datetime object and interprets it <em>as if</em> it is in that timezone. It does <em>not</em> move the time to another timezone. A naive datetime object has <em>no</em> timezone information to be able to make that move possible.</p> <p>You want to interpret <code>now()</code> ...
15,576,009
How to make HashMap work with Arrays as key?
<p>I am using boolean arrays as keys for a HashMap. But the problem is HashMap fails to get the keys when a different array is passed as key, although the elements are same. (As they are different objects). </p> <p>How can I make it work with arrays as keys ? Here is the code :</p> <pre><code>public class main { pub...
15,576,112
9
2
null
2013-03-22 17:02:20.137 UTC
11
2020-02-21 19:28:35.923 UTC
null
null
null
null
564,503
null
1
35
java|arrays|hashmap
44,088
<p>You cannot do it this way. Both <code>t</code> and <code>a</code> will have different <code>hashCode()</code> values because the the <code>java.lang.Array.hashCode()</code> method is inherited from <code>Object</code>, which uses the reference to compute the hash-code (default implementation). Hence the hash code fo...
15,872,254
Android NDK: WARNING: APP_PLATFORM android-9 is larger than android:minSdkVersion 8
<p>I am getting the following warning when compiling my cocos2d-x project with cygwin.</p> <pre><code>`/cygdrive/e/project/MyGame/proj.android ` /cygdrive/e/android-ndk-r8e/build/core/add-application.mk:128: Android NDK: WARNING:APP_PLATFORM android-9 is larger than android:minSdkVersion 8 in ./AndroidManifest.xml </c...
15,887,984
3
3
null
2013-04-08 06:01:19.777 UTC
7
2016-12-10 20:28:01.723 UTC
null
null
null
null
1,495,342
null
1
42
android|android-ndk|cygwin|cocos2d-x
36,002
<p>It seems that you are using Android-9 as runtime. You can put <code>APP_PLATFORM := android-8</code> in your <code>Application.mk</code> file and the warning will disappear.</p>
15,750,535
Using mysqldump to format one insert per line?
<p>This has been asked a few times but I cannot find a resolution to my problem. Basically when using mysqldump, which is the built in tool for the MySQL Workbench administration tool, when I dump a database using extended inserts, I get massive long lines of data. I understand why it does this, as it speeds inserts by...
19,961,480
9
2
null
2013-04-01 19:43:09.16 UTC
11
2020-05-22 09:19:04.483 UTC
null
null
null
null
443,943
null
1
61
mysql|mysqldump|mysql-workbench|mysqladministrator
27,512
<p>With the default mysqldump format, each record dumped will generate an individual INSERT command in the dump file (i.e., the sql file), each on its own line. This is perfect for source control (e.g., svn, git, etc.) as it makes the diff and delta resolution much finer, and ultimately results in a more efficient sour...
15,734,031
Why does the preflight OPTIONS request of an authenticated CORS request work in Chrome but not Firefox?
<p>I am writing a JavaScript client to be included on 3rd party sites (think Facebook Like button). It needs to retrieve information from an API that requires basic HTTP authentication. The simplified setup looks like this:</p> <p>A 3rd party site includes this snippet on their page:</p> <pre><code>&lt;script async=...
15,734,032
3
1
null
2013-03-31 20:14:42.697 UTC
19
2020-06-26 12:54:29.03 UTC
2017-05-23 12:18:11.943 UTC
null
-1
null
613,588
null
1
70
javascript|ajax|cors
114,088
<p><strong>Why <em>does</em> it work in Chrome and not Firefox?</strong></p> <p>The <a href="https://fetch.spec.whatwg.org/#cors-protocol-and-credentials" rel="noreferrer">W3 spec for CORS preflight requests</a> clearly states that user credentials should be excluded. There is a bug in <a href="https://code.google.com/...
15,821,532
Get current AUTO_INCREMENT value for any table
<p>How do I get the current AUTO_INCREMENT value for a table in MySQL?</p>
15,821,543
9
1
null
2013-04-04 20:55:27.94 UTC
81
2021-12-25 03:09:55.113 UTC
2014-05-05 18:47:56.21 UTC
null
19,405
null
2,246,727
null
1
357
mysql|auto-increment
375,131
<p>You can get all of the table data by using this query:</p> <pre><code>SHOW TABLE STATUS FROM `DatabaseName` WHERE `name` LIKE 'TableName' ; </code></pre> <p>You can get exactly this information by using this query:</p> <pre><code>SELECT `AUTO_INCREMENT` FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'Databa...
10,415,653
Run Batch file as administrator - Windows 7 - Command "Run As" from network file system
<p>I need to set up the delivery of a program installer.</p> <p>This program has a program_installer.exe and a folder that i cannot include in the installer at the time in which i create the installer.</p> <p>therefore, when a user needs to install the program i send him a BATCH file via MAIL</p> <pre><code>@echo of...
10,415,764
3
4
null
2012-05-02 14:19:56.487 UTC
1
2014-09-17 09:53:48.773 UTC
2012-05-02 14:31:17.433 UTC
null
1,207,195
null
958,744
null
1
7
shell|batch-file|cmd|dos|administration
50,014
<p>It's a little bit tricky but it can be done.</p> <p>First you have to know (from the batch file) if the user is an administrator. If it is then you can simply go on with installation. If it's not you can run another cmd.exe instance to run the batch file as administrator (using the <code>runas</code> command).</p> ...
10,717,249
Get current domain
<p>I have my site on the server <code>http://www.myserver.uk.com</code>.</p> <p>On this server I have two domains:</p> <pre class="lang-none prettyprint-override"><code>one.com and two.com </code></pre> <p>I would like to get the current domain using PHP, but if I use <code>$_SERVER['HTTP_HOST']</code> then it is showi...
10,717,309
8
7
null
2012-05-23 09:36:29.727 UTC
37
2021-08-21 18:11:11.337 UTC
2021-08-21 17:50:25.993 UTC
null
63,550
null
1,381,903
null
1
182
php|url|php-5.2
443,353
<p>Try using this:</p> <pre><code>$_SERVER['SERVER_NAME'] </code></pre> <p>Or parse:</p> <pre><code>$_SERVER['REQUEST_URI'] </code></pre> <p>Reference: <em><a href="http://php.net/manual/en/function.apache-request-headers.php" rel="noreferrer">apache_request_headers()</a></em></p>
67,798,798
Unhandled Exception: Null check operator used on a null value shared preference
<p>so I tried Shared preference to make user still logged in until they log out but when i tried to restart the app this appears</p> <pre><code>[VERBOSE-2:ui_dart_state.cc(199)] Unhandled Exception: Null check operator used on a null value #0 MethodChannel.binaryMessenger (package:flutter/src/services/platform_cha...
68,178,721
4
9
null
2021-06-02 04:08:59.21 UTC
3
2021-06-29 12:30:42.837 UTC
null
null
null
null
15,957,792
null
1
29
flutter|dart
9,333
<p>Make sure to call <code>WidgetsFlutterBinding.ensureInitialized();</code> before <code>await SharedPreferences.getInstance();</code></p> <p>For example in your main.dart:</p> <pre><code>void main() async { await runZonedGuarded( () async { WidgetsFlutterBinding.ensureInitialized(); final prefs = a...
25,081,757
What's NSLocalizedString equivalent in Swift?
<p>Is there an Swift equivalent of <code>NSLocalizedString(...)</code>? In <code>Objective-C</code>, we usually use:</p> <pre><code>NSString *string = NSLocalizedString(@"key", @"comment"); </code></pre> <p>How can I achieve the same in Swift? I found a function:</p> <pre><code>func NSLocalizedString( key: Strin...
25,081,758
16
4
null
2014-08-01 13:48:47.663 UTC
63
2021-04-14 13:30:38.18 UTC
2016-01-18 20:12:12.293 UTC
null
1,634,890
null
348,796
null
1
239
ios|swift|localization|nslocalizedstring
124,119
<p>The <code>NSLocalizedString</code> exists also in the Swift's world.</p> <pre><code>func NSLocalizedString( key: String, tableName: String? = default, bundle: NSBundle = default, value: String = default, #comment: String) -&gt; String </code></pre> <p>The <code>tableName</code>, <code>bundle</c...
31,978,324
What exactly is std::atomic?
<p>I understand that <code>std::atomic&lt;&gt;</code> is an atomic object. But atomic to what extent? To my understanding an operation can be atomic. What exactly is meant by making an object atomic? For example if there are two threads concurrently executing the following code:</p> <pre><code>a = a + 12; </code></pre...
31,978,762
3
4
null
2015-08-13 02:00:06.16 UTC
137
2021-05-24 11:48:00.55 UTC
2019-06-02 04:01:21.827 UTC
user4386938
963,864
user4386938
null
null
1
246
c++|multithreading|c++11|atomic
212,735
<p>Each instantiation and full specialization of <a href="http://en.cppreference.com/w/cpp/atomic/atomic" rel="noreferrer">std::atomic&lt;></a> represents a type that different threads can simultaneously operate on (their instances), without raising undefined behavior:</p> <blockquote> <p>Objects of atomic types are...
10,408,740
Why does in_array() wrongly return true with these (large numeric) strings?
<p>I am not getting what is wrong with this code. It's returning "Found", which it should not.</p> <pre><code>$lead = "418176000000069007"; $diff = array("418176000000069003","418176000000057001"); if (in_array($lead,$diff)) echo "Found"; else echo "Not found"; </code></pre>
10,408,802
9
10
null
2012-05-02 06:27:13.65 UTC
13
2020-05-18 11:46:31.857 UTC
2012-05-31 13:15:17.807 UTC
null
367,456
null
929,265
null
1
43
php|arrays
8,189
<p><strong>Note: <em>This was a bug in PHP old versions and is corrected in <code>PHP 5.4</code> and newer versions.</em></strong> </p> <p>It is because of the limitations of the number storage in <code>PHP</code></p> <p>The real problem here is because of the <code>PHP_INT_MAX</code> - the value exceeded in our case...
41,102,299
Pip Error : 'module' object has no attribute 'Cryptography_HAS_SSL_ST'
<p>I tried to install from pip and keep on getting similar type of errors.</p> <pre><code>$ pip install quandl Traceback (most recent call last): File "/usr/bin/pip", line 9, in &lt;module&gt; load_entry_point('pip==1.5.6', 'console_scripts', 'pip')() File "/usr/lib/python2.7/dist-packages/pkg_resources/__init...
45,853,179
9
7
null
2016-12-12 13:45:05.68 UTC
8
2019-01-20 20:58:30.053 UTC
2018-06-16 20:20:16.207 UTC
null
5,908,241
null
5,908,241
null
1
17
python|linux|ubuntu|openssl|pip
29,262
<p>Ubuntu 16.04.3 here:</p> <p>I think I have fixed this by removing the python-openssl package (and it's dependencies) with:</p> <pre><code>apt-get --auto-remove remove python-openssl </code></pre> <p>Then installing the latest version with pip:</p> <pre><code>pip install pyOpenSSL </code></pre> <p>Of course, if ...
51,911,368
What restriction is perf_event_paranoid == 1 actually putting on x86 perf?
<p>Newer Linux kernels have a sysfs tunable <code>/proc/sys/kernel/perf_event_paranoid</code> which allows the user to adjust the available functionality of <code>perf_events</code> for non-root users, with higher numbers being more secure (offering correspondingly less functionality):</p> <p>From the <a href="https:/...
51,919,744
1
5
null
2018-08-18 18:08:54.447 UTC
9
2018-08-19 16:36:25.46 UTC
null
null
null
null
149,138
null
1
27
linux-kernel|x86|profiling|perf|intel-pmu
23,689
<p>In this case <em>CPU event</em> refers to monitoring events per CPU rather than per task. For <code>perf</code> tools this restricts the usage of</p> <pre><code>-C, --cpu= Count only on the list of CPUs provided. Multiple CPUs can be provided as a comma-separated list with no space: 0,1. Ranges of CPUs are ...
51,891,415
NullPointerException on Meizu devices in Editor.updateCursorPositionMz
<p>Lately, there have been crashes on my Android app, on Meizu devices <strong>only</strong> (M5c, M5s, M5 Note). Android version: 6.0.</p> <p>Here is the full stack trace:</p> <pre><code>Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'int android.text.Layout.getLineForOffset(int)' ...
52,001,305
9
6
null
2018-08-17 08:34:49.783 UTC
16
2019-08-06 12:47:08.957 UTC
null
null
null
null
4,561,039
null
1
73
android|textview|meizu
10,715
<h2>Update (Aug. 8, 2019)</h2> <p>As @andreas-wenger, @waseefakhtar and @vadim-kotov mentioned, the fix is now included from <a href="https://github.com/material-components/material-components-android/releases" rel="noreferrer">com.google.android.material:material:1.1.0-alpha08</a> onwards.</p> <h2>Old answer</h2> <...
28,795,975
iOS App Rejection due to 2.23 - iOS Data Storage Guidelines
<p>Here's message from Apple about rejection : </p> <blockquote> <p>2.23 - Apps must follow the iOS Data Storage Guidelines or they will be rejected 2.23 Details</p> <p>On launch and content download, your app stores 6.5 MB, which does not comply with the iOS Data Storage Guidelines.</p> <p>Next Steps<...
29,182,488
3
11
null
2015-03-01 16:28:19.877 UTC
10
2016-07-15 03:17:59.737 UTC
2015-03-02 20:54:42.04 UTC
null
1,011,777
null
1,011,777
null
1
20
ios|objective-c|app-store|appstore-approval
7,006
<p>I just got the same rejection message yesterday.</p> <p>I use the following code in <code>application:didFinishLaunchingWithOptions:</code> to see what my application has inside the documents folder and what is the permission of each item about iCloud backup:</p> <pre><code>NSArray *paths = NSSearchPathForDirector...
28,521,583
UIPopoverPresentationController on iPhone doesn't produce popover
<p>I'm trying to implement the new <code>UIPopoverPresentationController</code> in my iPhone app (using Objective C). What I want is a simple popover with a tableview that emanates from the initiating button.</p> <p><strong>--Edit--</strong></p> <p>Here's my <strong>REVISED</strong> code, adapted from research in the...
28,521,768
5
13
null
2015-02-14 23:50:18.46 UTC
17
2022-05-25 12:22:21.257 UTC
2015-02-15 04:36:59.87 UTC
null
2,671,035
null
2,671,035
null
1
33
ios|objective-c|iphone|popover
37,356
<p>Steps:</p> <p>A) Link your <code>UIButton</code> to the popover's view controller using the <code>Present As Popover</code> segue type. I actually had to create a new project to get this to appear but it's probably something to do with the base SDK.</p> <p>B) Make the View Controller containing the <code>UIButton<...
9,440,380
Using an instance of an object as a key in hashmap, and then access it with exactly new object?
<p>I have a hasmap with a key object, </p> <pre><code>HashMap&lt;Key, Object&gt; test; </code></pre> <p>and make new Key("the same") as key..</p> <p>so its like..:</p> <pre><code>test.put(new Key("the same"), someObject); </code></pre> <p>(without storing that key in a variable)</p> <p>so.. after a while... i wan...
9,440,411
3
2
null
2012-02-25 01:44:37.703 UTC
18
2015-12-16 14:56:58.923 UTC
null
null
null
null
448,451
null
1
51
java|hashmap
138,678
<p>You need to implement <code>hashCode</code> and <code>equals</code> on <code>Key</code>. The <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html#equals%28java.lang.Object%29">default implementation</a> of these methods simply checks for <em>instance</em> equality (in other words, two <code>Objec...
16,062,893
Why does @Transactional(propagation = Propagation.SUPPORTS, readOnly = true) fix Hibernate Lazy Loading Exceptions?
<p>I switched an app I am working on from using AspectJ load time weaving to using Spring CGlib proxies and right after I did that there were many parts of the code where I started to get hibernate lazy loading exceptions where in the past there were no exceptions being thrown.</p> <p>I have been able to resolve these...
16,555,359
2
0
null
2013-04-17 14:33:03.803 UTC
9
2013-05-21 15:07:39.477 UTC
2013-05-21 15:07:39.477 UTC
null
438,319
null
438,319
null
1
18
java|spring|hibernate
9,392
<p>I assume your code is not using <code>OpenSessionInViewFilter</code> or anything similar.</p> <p>Without the <code>@Transactional</code> annotation, the Hibernate session is closed after leaving the <code>BarRepository.findSomeEntity()</code> method.</p> <p>When a <code>@Transactional</code> method is called and t...
16,455,777
Python Count Elements in a List of Objects with Matching Attributes
<p>I am trying to find a simple and fast way of counting the number of Objects in a list that match a criteria. e.g.</p> <pre><code>class Person: def __init__(self, Name, Age, Gender): self.Name = Name self.Age = Age self.Gender = Gender # List of People PeopleList = [Person("Joan", 15, "F...
16,455,812
5
0
null
2013-05-09 06:30:01.227 UTC
8
2016-11-24 15:24:22.57 UTC
null
null
null
null
1,148,991
null
1
60
python|list|object|attributes|count
72,620
<pre><code>class Person: def __init__(self, Name, Age, Gender): self.Name = Name self.Age = Age self.Gender = Gender &gt;&gt;&gt; PeopleList = [Person("Joan", 15, "F"), Person("Henry", 18, "M"), Person("Marg", 21, "F")] &gt;&gt;&gt; sum(p.Gender == "F" for p i...
16,132,759
Is there auto type inferring in Java?
<p>Is there an <code>auto</code> variable type in Java like you have in C++?</p> <p>An example:</p> <pre><code>for ( auto var : object_array) std::cout &lt;&lt; var &lt;&lt; std::endl; for( auto var : object_array) var.do_something_that_only_this_particular_obj_can_do(); </code></pre> <p>I know that there i...
16,132,818
6
5
null
2013-04-21 15:23:15.607 UTC
17
2020-11-29 13:11:27.103 UTC
2017-06-18 16:17:30.07 UTC
null
1,033,581
null
1,624,921
null
1
155
java|c++|auto
115,105
<p>Java 10 introduced a <code>var</code> identifier which is like C++ <code>auto</code>; see <a href="https://stackoverflow.com/a/47037550/">sorrymissjackson's answer</a>.</p> <p>Prior to Java 10, there was no equivalent to the <code>auto</code> keyword. The same loop can be achieved as:</p> <pre><code>for ( Object var...
12,844,687
Code 128 Barcode generation in vb.net
<p>I am attempting to take a string and convert it into a code 128 barcode in vb.net. I am a novice programmer and was wondering what some people thought would be the best design practices for accomplishing this. </p> <p>A simple google search has yielded a few seemingly free solutions to this. <a href="http://www.onb...
13,234,682
5
1
null
2012-10-11 16:54:21.927 UTC
null
2019-03-26 18:32:46.053 UTC
null
null
null
null
1,665,657
null
1
3
vb.net|visual-studio-2010|barcode|code128
44,989
<p>If you don't want to write any code for string conversion in barcode and don't want to buy an external component, you can use the ItextSharp library ( <a href="http://sourceforge.net/projects/itextsharp/" rel="nofollow">http://sourceforge.net/projects/itextsharp/</a> ) which is in my opinion the simplest way to achi...
37,578,362
How to add "colSpan" attribute in ReactJS
<p>I'm getting the error "<strong>Type string is not assignable to type number</strong>" when I try to add a <strong>colSpan="2"</strong> attribute to the below ReactJS TypeScript code. How can I fix this?</p> <pre><code>class ProductCategoryRow extends React.Component&lt;MyProps, MyState&gt; { constructor(props: ...
37,579,218
1
4
null
2016-06-01 20:39:05.067 UTC
3
2017-11-10 08:01:40.46 UTC
2017-09-09 06:48:55.73 UTC
null
28,324
null
2,304,788
null
1
46
reactjs|typescript
36,613
<p>Have you tried <code>&lt;th colSpan={2}&gt;{ this.props.category}&lt;/th&gt;</code>?</p>
24,665,649
Why does C# not allow me to call a void method as part of the return statement?
<p>I am curious if there is a legitimate reason as to why C# does not support calling a void method as part of the return statement when the calling method's return type is also void.</p> <pre><code>public void MethodA() { return; } public void MethodB() { return MethodA(); } </code></pre> <p>So we would...
24,665,814
9
18
null
2014-07-10 00:15:54.937 UTC
4
2014-07-24 16:24:29.03 UTC
2014-07-11 18:38:56.1 UTC
null
302,939
null
302,939
null
1
38
c#|void
13,647
<p>Because it's simply the way <a href="http://msdn.microsoft.com/en-us/library/ms228593.aspx">the language is defined</a>.</p> <blockquote> <p>A method can use <code>return</code> statements to return control to its caller. <strong>In a method returning <code>void</code>, <code>return</code> statements cannot spe...
21,512,678
Check at compile-time is a template type a vector
<p>I can imagine the following code:</p> <pre><code>template &lt;typename T&gt; class X { public: T container; void foo() { if(is_vector(T)) container.push_back(Z); else container.insert(Z); } } // somewhere else... X&lt;std::vector&lt;sth&gt;&gt; abc; abc.foo(); </code><...
21,512,908
6
5
null
2014-02-02 15:59:41.03 UTC
11
2022-01-31 07:57:09.853 UTC
2014-02-02 16:14:32.13 UTC
null
515,203
null
3,127,595
null
1
19
c++|templates
6,496
<p>It is named tag dispatching :</p> <pre><code>#include &lt;vector&gt; #include &lt;set&gt; #include &lt;type_traits&gt; template&lt;typename T&gt; struct is_vector : public std::false_type {}; template&lt;typename T, typename A&gt; struct is_vector&lt;std::vector&lt;T, A&gt;&gt; : public std::true_type {}; templa...
19,691,920
Collision resolution in Java HashMap
<p>Java <code>HashMap</code> uses <code>put</code> method to insert the K/V pair in <code>HashMap</code>. Lets say I have used <code>put</code> method and now <code>HashMap&lt;Integer, Integer&gt;</code> has one entry with <code>key</code> as 10 and <code>value</code> as 17.</p> <p>If I insert 10,20 in this <code>Has...
19,691,998
9
4
null
2013-10-30 19:17:25.21 UTC
34
2021-12-22 14:58:45.577 UTC
2018-05-01 21:00:25.69 UTC
null
2,938,723
null
2,938,723
null
1
89
java|hashmap
150,050
<p>When you insert the pair <code>(10, 17)</code> and then <code>(10, 20)</code>, there is technically no collision involved. You are just replacing the old value with the new value for a given key <code>10</code> (since in both cases, 10 is equal to 10 and also the hash code for 10 is always 10).</p> <p>Collision hap...
19,794,739
What is the difference between iteration and recursion?
<p>What is the difference between <code>iteration</code> and <code>recursion</code> and why/when is one better:</p> <pre><code>while (true) { // Iterating } </code></pre> <p>And</p> <pre><code>private void recursion() { if (true) recursion(); // Recursing return; } </code></pre> <p>I see a lot ...
19,794,926
8
4
null
2013-11-05 17:10:04.88 UTC
16
2016-02-19 17:19:59.993 UTC
2014-03-12 12:40:01.48 UTC
user2742371
null
user2742371
null
null
1
24
c++|recursion|iteration
40,327
<p>There are two main differences between Recursion and an Iterative Version of the same algorithm. </p> <p>First of all, some times it is almost better to understand a recursive algorithm than an iterative one (At least if you are experienced programmer) So it does increase expressivity and in some cases readability ...
21,716,527
In Windows: How do you programatically launch a process in administrator mode under another user context?
<p><strong>Scenario</strong></p> <p>I have a remote computer that I want to run installers (arbitrary executables) on programatically. These installers require two things:</p> <ul> <li>They must run in Administrator mode.</li> <li>They must run under a specific user context (Specifically, a local user who is a member...
21,718,198
1
12
null
2014-02-12 00:58:09.337 UTC
9
2017-03-29 01:35:50.09 UTC
2017-05-23 12:10:18.85 UTC
null
-1
null
3,044,940
null
1
2
windows|batch-file
5,335
<p>OK, so it turns out that <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/ms682431%28v=vs.85%29.aspx" rel="noreferrer"><code>CreateProcessWithLogonW</code></a> function filters the user token, and so does <a href="http://msdn.microsoft.com/en-us/library/aa378184%28v=vs.85%29.aspx" rel="noreferrer"><c...
44,830,663
Docker Container Networking with Docker-in-Docker
<p>I would like to network with a child docker container from a parent docker container, with a docker-in-docker setup.</p> <p>Let's say I'm trying to connect to a simple Apache httpd server. When I run the httpd container on my host machine, everything works fine:</p> <pre><code>asnyder:~$ docker run -d -p 8080:80 h...
44,996,703
3
4
null
2017-06-29 16:34:57.97 UTC
8
2019-08-26 12:39:11.7 UTC
2017-08-06 03:12:02.41 UTC
null
5,091,191
null
5,091,191
null
1
31
networking|docker|docker-in-docker
8,884
<p>There are pros and cons for both DinD and bind mounting the Docker socket and there are certainly use cases for both. As an example, check out <a href="https://applatix.com/case-docker-docker-kubernetes-part/" rel="noreferrer">this set of blog posts</a>, which does a good job of explaining one of the use cases. </p>...
45,028,246
Android Studio 3.0 : canary 6 : android.content.res.Resources$NotFoundException inside Launching activity
<p>I update android-studio 3.0 from canary 5 to canary 6 and suddenly My app gives crash on KitKat(API 19) with below stacktrace.</p> <p>The Main2Activity.java:10 line is the first line in my activity onCreate() method. </p> <pre><code>07-11 13:00:39.523 8913-8913/dcpl.com.myapplication E/AndroidRuntime: FATAL EXCEP...
45,031,035
4
5
null
2017-07-11 07:37:36.113 UTC
7
2017-07-20 09:08:46.38 UTC
2017-07-17 02:48:14.133 UTC
null
1,402,846
null
5,144,038
null
1
29
android|android-4.4-kitkat|android-studio-3.0
3,757
<p>Seems like the issue is related to Aapt 2.</p> <p>Put </p> <p><code>android.enableAapt2=false </code></p> <p>In your <code>gradle.properties</code> file and it fixes the issue for me.</p>
17,193,825
Loading PictureBox Image from resource file with path (Part 3)
<p>I understand that this question has been asked (and answered) before. However, none of the solutions are working for me.</p> <p>Below is a screen capture of all the relevant pieces of the puzzle:</p> <p><a href="http://dinosaur-island.com/PlantPictureBoxScreenCap.jpg" rel="noreferrer">Screen capture http://dinosau...
17,194,695
5
0
null
2013-06-19 14:23:41.483 UTC
5
2020-03-13 05:30:29.217 UTC
2019-09-09 19:59:31.817 UTC
null
472,495
null
918,489
null
1
28
c#|picturebox
217,053
<p>The path should be something like: <code>"Images\a.bmp"</code>. (Note the lack of a leading slash, and the slashes being <strong>back</strong> slashes.)</p> <p>And then:</p> <pre><code>pictureBox1.Image = Image.FromFile(@"Images\a.bmp"); </code></pre> <p>I just tried it to make sure, and it works. This is besides...
17,225,088
$http get parameters does not work
<p>Does anyone know why this does not work?</p> <pre><code>$http .get('accept.php', { source: link, category_id: category }) .success(function (data, status) { $scope.info_show = data }); </code></pre> <p>and this does work:</p> <pre><code>$http .get('accept.php?source=' +...
17,225,186
2
0
null
2013-06-20 22:45:17.753 UTC
18
2017-05-23 09:58:57.147 UTC
2017-04-24 12:45:00.85 UTC
null
4,927,984
null
1,835,545
null
1
93
javascript|angularjs|http|angular-http
114,018
<p>The 2nd parameter in the <code>get</code> call is a config object. You want something like this:</p> <pre><code>$http .get('accept.php', { params: { source: link, category_id: category } }) .success(function (data,status) { $scope.info_show = data ...
17,202,548
Wavy shape with css
<p>I'm trying to recreate this image with CSS:</p> <p><img src="https://i.stack.imgur.com/Jq0kf.png" alt="wayvy shape"></p> <p>I would not need it to repeat. This is what I started but it just has a straight line:</p> <p><div class="snippet" data-lang="js" data-hide="false" data-console="false" data-babel="false"> <...
17,202,736
7
6
null
2013-06-19 22:38:16.367 UTC
51
2022-09-02 06:23:58 UTC
2018-07-29 20:12:55.68 UTC
null
8,620,333
null
1,411,004
null
1
107
css|css-shapes
282,790
<p>I'm not sure it's your shape but it's close - you can play with the values:</p> <p><a href="https://jsfiddle.net/7fjSc/9/" rel="noreferrer">https://jsfiddle.net/7fjSc/9/</a></p> <p><div class="snippet" data-lang="js" data-hide="false" data-console="false" data-babel="false"> <div class="snippet-code"> <pre class="...
17,385,916
IntelliJ how to zoom in / out
<p>The IntelliJ keymap says:</p> <pre><code>Zoom in: Keypad + = Zoom out Keypad - - </code></pre> <p>But they have no effect. Anyone have this working?</p> <p>New info: Now I have added more key-bindings:</p> <pre><code>Zoom in: Alt-Shift-= Zoom out: Alt-Shift-minus </code></pre> <p>But these still have no effect....
65,592,795
12
7
null
2013-06-30 00:20:02.053 UTC
24
2022-08-09 21:05:29.487 UTC
2020-12-22 15:40:31.033 UTC
null
1,056,563
null
1,056,563
null
1
138
intellij-idea|zooming
181,653
<p>Double click <code>Shift</code> to open the quick actions. Then search for &quot;Decrease Font Size&quot; or &quot;Increase Font Size&quot; and hit <code>Enter</code>. To repeat the action you can doubleclick <code>Shift</code> and <code>Enter</code></p> <p>I prefer that way because it works even when you're using n...
17,139,501
Using $_POST to get select option value from HTML
<p>I use <code>select</code> as below:</p> <pre><code>&lt;select name="taskOption"&gt; &lt;option&gt;First&lt;/option&gt; &lt;option&gt;Second&lt;/option&gt; &lt;option&gt;Third&lt;/option&gt; &lt;/select&gt; </code></pre> <p>How do I get the value from the <code>select</code> option and store it into a v...
17,139,538
8
0
null
2013-06-17 02:04:11.707 UTC
31
2022-09-20 13:17:06.927 UTC
2016-09-24 21:39:13.413 UTC
null
462,627
null
2,473,385
null
1
148
php|html|arrays
827,090
<p>Use this way:</p> <pre><code>$selectOption = $_POST['taskOption']; </code></pre> <p>But it is always better to give values to your <code>&lt;option&gt;</code> tags.</p> <pre><code>&lt;select name="taskOption"&gt; &lt;option value="1"&gt;First&lt;/option&gt; &lt;option value="2"&gt;Second&lt;/option&gt; &lt;...
17,162,308
Node.js Error: Cannot find module express
<p>I wrote my first node.js app, but it can't find express library:</p> <pre><code>C:\ChatServer\Server&gt;node server.js module.js:340 throw err; ^ Error: Cannot find module 'express' at Function.Module._resolveFilename (module.js:338:15) at Function.Module._load (module.js:280:25) at Modul...
17,162,384
15
3
null
2013-06-18 06:52:23.453 UTC
33
2021-01-29 01:37:14.483 UTC
null
null
null
null
966,972
null
1
168
node.js|express|npm
393,647
<p>You need to install Express locally into the context of your application (<code>node_modules</code> folder):</p> <pre><code>$ npm install express </code></pre> <p>The reason for this is that applications always look in their local context for any dependencies. The global installation is only for setting up system-...
31,868,639
How to ping an IP Address in golang
<p>How can you ping an IP address from a golang application? The ultimate goal is to check if a server is online.</p> <p>Does go have a way in the standard library to implement a network ping?</p>
35,194,144
6
9
null
2015-08-07 02:09:18.937 UTC
3
2020-06-14 06:04:50.603 UTC
2017-12-16 07:07:35.703 UTC
null
1,033,581
null
4,798,893
null
1
25
go
43,121
<p>As @desaipath mentions, there is no way to do this in the standard library. However, you do not need to write the code for yourself - it has already been done:</p> <blockquote> <p><a href="https://github.com/tatsushid/go-fastping" rel="noreferrer">https://github.com/tatsushid/go-fastping</a></p> </blockquote> <p...
5,256,516
MATLAB: print a figure to pdf as the figure shown in the MATLAB
<p>I am trying to export (save as, print) a figure into .pdf format. However, no matter how I configure the setting, there are large margins around the figure.</p> <p>When I export the figure into .eps format, there is no such problem --- i.e. the figure just looks like it is displayed in the MATLAB.</p> <p>How could...
5,256,555
3
2
null
2011-03-10 07:05:43.47 UTC
4
2019-06-05 08:48:36.957 UTC
null
null
null
null
468,841
null
1
7
matlab|figure|export-to-pdf
40,535
<p>You can try the following:</p> <p>1) After you plot the figure in <a href="http://en.wikipedia.org/wiki/MATLAB" rel="nofollow">MATLAB</a>, go to 'File->Export Setup', and input the size of the output you want. For example, Width: 6 inches, Height: 5 inches. Then click 'Apply to Figure' button.</p> <p>2) Don't clos...
5,282,099
Signal handling in pthreads
<p>I have created a pthread, and installed a signal handler inside that, same way as we do in <code>main( )</code> function. The thread's signal handler is a separate function. Surprisingly, it is not working, that is the thread's signal handler is not able to catch signals.</p> <p>Here is the code:</p> <pre><code>#inc...
5,282,181
3
3
null
2011-03-12 11:03:21.48 UTC
16
2021-12-07 11:07:07.743 UTC
2021-12-07 11:06:12.537 UTC
null
6,594,576
null
575,281
null
1
28
c|pthreads|signals
94,217
<p>There are several problems with your code:</p> <ul> <li><code>ptr</code> is not initialised, so all the <code>ptr-&gt;</code> parts will crash the program</li> <li>you are calling <code>pthread_kill()</code> immediately, very likely before the signal handler has been installed, and in a thread (which has unspecified...
5,042,379
In VB6 what is the difference between Property Set and Property Let?
<p>I have just created several <code>Property Set</code> methods, and they didn't compile. When I changed them to <code>Property Let</code>, everything was fine.</p> <p>I have since studied the documentation to find the difference between <code>Property Set</code> and <code>Property Let</code>, but must admit to being...
5,042,718
3
1
null
2011-02-18 14:21:10.373 UTC
7
2016-10-24 14:36:01.977 UTC
2015-11-11 19:11:47.483 UTC
null
4,865,599
null
326,900
null
1
40
oop|properties|vb6|setter|letter
54,646
<p><code>Property Set</code> is for objects (e.g., class instances) </p> <p><code>Property Let</code> is for "normal" datatypes (e.g., string, boolean, long, etc.)</p>
5,201,965
Objective-C (cocoa) equivalent to python's endswith/beginswith
<p>Python has <code>string.startswith()</code> and <code>string.endswith()</code> functions which are pretty useful. What NSString methods can I use to have the same function?</p>
5,202,006
3
0
null
2011-03-05 05:44:01.957 UTC
null
2011-12-05 19:04:42.473 UTC
2011-03-05 06:33:21.637 UTC
null
308,903
null
260,127
null
1
46
python|objective-c|cocoa
7,820
<p>Use <a href="http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSString_Class/Reference/NSString.html#//apple_ref/occ/instm/NSString/hasPrefix%3a"><code>-hasPrefix:</code></a> and <a href="http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/...
5,027,808
How to avoid DIVIDE BY ZERO error in an SQL query
<pre><code>SELECT YEAR, period, round((1- sum(rej_qty) / sum(recd_qty))*100, 0) FROM TAB_A WHERE sid = '200' AND sdid IN ('4750') AND ( ( YEAR ='2011' AND period IN('01_JAN') ) OR ( YEAR = '2010' AND period IN('02_FEB','03_MAR','04_APR','05_MAY'...
5,027,850
4
0
null
2011-02-17 10:38:55.767 UTC
7
2019-10-17 14:37:26.7 UTC
2012-10-01 08:16:21.307 UTC
null
309,086
null
157,705
null
1
10
sql|oracle9i|divide-by-zero
64,075
<p>If you want to ignore such records you can use a subquery</p> <pre><code>SELECT YEAR, period, round((1- rej_sum / recd_sum)*100, 0) FROM ( SELECT YEAR, sum(rej_qty) rej_sum, sum(recd_qty) recd_sum FROM TAB_A WHERE sid = '200' AND sdid IN ('4750') AND ( ( YEAR ='2011' AND ...
25,741,027
Default username and password for Oracle database
<p>I forgot to feed sys, system and hr password while Oracle DB installation and hit OK but now for SQ*Plus it needs those credentials for login in command prompt.How to get default user name and password?</p>
25,743,716
2
2
null
2014-09-09 09:24:12.897 UTC
3
2020-05-01 18:46:35.507 UTC
null
null
null
null
2,596,551
null
1
6
database|oracle
64,104
<p>You can simply login as :</p> <pre><code>sqlplus / as sysdba </code></pre> <p>Then give password to the respective users :</p> <pre><code>ALTER USER &lt;username&gt; IDENTIFIED BY &lt;password&gt;; </code></pre> <p>You can do that for all the three users.</p> <p>I hope you are not on 12c. Else, you need to ment...
25,616,382
how to set cornerRadius for only bottom-left,bottom-right and top-left corner of a UIView?
<p>Is there a way to set cornerRadius for only bottom-left,bottom-right and top-left corner of a UIView?</p> <p>I tried the following, but it ended up making the view disappear. Is there anything wrong with the code below?</p> <pre><code> UIBezierPath *maskPath; maskPath = [UIBezierPath bezierPathWithRoundedRe...
25,616,833
10
3
null
2014-09-02 05:22:43.66 UTC
35
2018-05-29 08:43:55.113 UTC
2014-09-02 06:31:27.087 UTC
null
3,830,876
null
1,595,141
null
1
37
ios|objective-c|iphone|xcode|ipad
47,242
<p>You can do it like this:</p> <pre><code>UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.viewOutlet.bounds byRoundingCorners:(UIRectCornerTopLeft | UIRectCornerBottomLeft | UIRectCornerBottomRight) cornerRadii:CGSizeMake(10.0, 10.0)]; CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init]; mask...
9,410,401
Adding Custom header to the excel file
<p>Is it possible to add a custom header to the Excel while exporting a <code>DataSet</code> to Excel in ASP.NET? I have one requirement like this. I can export the <code>DataSet</code> to the Excel successfully. But I can't add the custom header. Please help me if anybody have the solution. Thanks in advance.</p>
9,653,194
3
4
null
2012-02-23 09:38:19.19 UTC
2
2012-09-13 05:07:03.963 UTC
2012-02-23 09:43:02.317 UTC
null
26,396
null
124,875
null
1
6
c#|asp.net|header|export-to-excel
51,554
<p>IF you are using <code>Response.Write</code> to Export the Excel. You can use the following code with minimal effort and the <code>Header</code> can be customized as you want, just like HTML headers.</p> <pre><code>Response.ContentType = "application/vnd.ms-excel"; Response.AddHeader("Content-Disposition", "attachm...
9,522,631
How to put a line comment for a multi-line command
<p>I know how to write a multi-line command in a Bash script, but how can I add a comment for each line in a multiline command?</p> <pre><code>CommandName InputFiles \ # This is the comment for the 1st line --option1 arg1 \ # This is the comment for the 2nd line --option2 arg2 # This i...
9,525,753
4
4
null
2012-03-01 19:27:09.25 UTC
97
2021-02-17 17:11:58.897 UTC
2018-04-01 17:14:21.547 UTC
null
42,223
null
301,336
null
1
440
bash|shell|comments
88,099
<p>I'm afraid that, in general, you can't do what you're asking for. The best you can do is a comment on the lines before the command, or one single comment at the end of the command line, or a comment after the command.</p> <p>You can't manage to intersperse comments inside a command this way. The <code>\</code>s exp...
18,330,917
How to alert inline of button
<p>I know already how to alert by use javascript or Jquery. But just onclick button I apply javascript external or internal. What I need is we alert inline of button Example: </p> <pre><code>&lt;button name="my_btn" id="my_btn" onClick="alert('Hello I am alert')"&gt;Alert&lt;/button&gt; </code></pre> <p>If it is pos...
18,330,969
4
1
null
2013-08-20 08:57:33.02 UTC
0
2018-02-12 18:10:58.643 UTC
2013-08-20 09:04:46.343 UTC
null
2,572,353
null
2,605,515
null
1
7
javascript
40,624
<p>I never really understand why someone wants to do it this way, but here is an inline alert on a button.</p> <pre><code>&lt;button type="button" onclick="alert('Hello World')"&gt;Show Alert&lt;/button&gt; </code></pre> <p><a href="http://jsfiddle.net/pfQPT/" rel="noreferrer">Here is the fiddle</a></p> <p><a href="...
18,413,014
Run a JAR file from the command line and specify classpath
<p>I've compiled a <a href="http://en.wikipedia.org/wiki/JAR_%28file_format%29" rel="noreferrer">JAR</a> file and specified the Main-Class in the manifest (I used the Eclipse <em>Export</em> function). My dependencies are all in a directory labeled <code>lib</code>. I can't seem to get a straight answer on how to execu...
18,413,058
5
1
null
2013-08-23 22:50:19.597 UTC
32
2019-12-17 21:20:55.363 UTC
2016-04-04 18:11:49.383 UTC
null
63,550
null
2,161,954
null
1
143
java|shell|command-line|classpath
274,827
<p>When you specify <code>-jar</code> then the <code>-cp</code> parameter will be ignored. </p> <p>From <a href="http://docs.oracle.com/javase/7/docs/technotes/tools/solaris/java.html#jar">the documentation</a>:</p> <blockquote> <p><i>When you use this option, the JAR file is the source of all user classes, and oth...
20,257,266
How to access localhost from a Genymotion android emulator?
<p>I can not figure out how to access localhost from a Genymotion android emulator. By the way, Im using MAMP.</p>
20,257,547
10
2
null
2013-11-28 03:36:27.763 UTC
20
2022-08-17 12:57:42.323 UTC
null
null
null
null
2,940,948
null
1
73
android|emulation|mamp|genymotion
83,191
<p><Strong>Update</strong></p> <p>After genymotion update to 2.2 you can use <code>10.0.3.2</code>, <a href="https://stackoverflow.com/a/18940022/1729802">ref</a></p> <p><Strong>Another approach</Strong></p> <p>To access your localhost through Genymotion is using your PC IP address. to get your IP address go to:</p>...
15,204,470
Pyqt how to get a widget's dimensions
<p>I am currently developing an application in which i cannot use modal windows (due to some application constraints). However, in some cases i would like to simulate a popup window. To do so i dynamically create a widget that has the centralwidget as parent and i use the move() method to place it where i want. I would...
15,205,853
3
1
null
2013-03-04 14:59:45.73 UTC
3
2018-10-04 12:07:30.337 UTC
null
null
null
null
1,504,016
null
1
15
python|widget|size|pyqt
54,747
<p>You can use <a href="http://qt-project.org/doc/qt-4.8/qwidget.html#frameGeometry-prop" rel="nofollow"><code>frameGeometry</code></a> or <a href="http://qt-project.org/doc/qt-4.8/qwidget.html#geometry-prop" rel="nofollow"><code>geometry</code></a> depending on <a href="http://qt-project.org/doc/qt-4.8/application-win...
15,214,179
How to read the classifier confusion matrix in WEKA
<p>Sorry, I am new to WEKA and just learning.</p> <p>In my decision tree (J48) classifier output, there is a confusion Matrix:</p> <pre><code>a b &lt;----- classified as 130 8 a = functional 15 150 b = non-functional </code></pre> <ul> <li>How do I read this matrix? What's the difference between a &amp...
26,616,662
2
1
null
2013-03-05 01:21:40.093 UTC
7
2019-01-18 19:57:06.547 UTC
2013-12-12 17:01:59 UTC
null
1,693,859
null
1,267,180
null
1
17
classification|weka|decision-tree
46,151
<p>I'd put it this way:</p> <p>The confusion matrix is Weka reporting on how good this J48 model is in terms of what it gets right, and what it gets wrong.</p> <p>In your data, the target variable was either "functional" or "non-functional;" the right side of the matrix tells you that column "a" is functional, and "b...
15,024,383
Why are dates in match aggregate query being ignored?
<p>I'm trying to run an aggregation statement in my mongo db. I have a document whose structure is (at least) as follows:</p> <pre><code>{ "_id": ObjectId, "date": ISODate, "keywordGroupId": NumberLong, "ranking": NumberLong, } </code></pre> <p>I would like to run an aggregation statement that aggregates ...
15,025,828
3
0
null
2013-02-22 12:35:54.44 UTC
4
2022-08-19 09:25:10.893 UTC
2022-08-19 09:25:10.893 UTC
null
542,251
null
2,099,122
null
1
24
mongodb|aggregation-framework
86,063
<p>Remove the <code>$</code> prefix on the <code>$date</code> field of your <code>$match</code>:</p> <pre><code>{ $match: { keywordGroupId: 75, date: {$gte: ISODate("2013-01-01T00:00:00.0Z"), $lt: ISODate("2013-02-01T00:00:00.0Z")} }}, </code></pre> <p>You only use the <code>$</code> prefix when the field n...
43,811,434
Error: <path> attribute d: Expected number, "MNaN,NaNLNaN,NaN"
<p>I'm tring to create a multi-line chart using D3.js v4. I'm using this example: <a href="https://bl.ocks.org/mbostock/3884955" rel="noreferrer">https://bl.ocks.org/mbostock/3884955</a>.</p> <p>Sample csv Data:</p> <pre><code>storageSystem,poolId,availableVolumeCapacity,date system01,0,18031398,20170413 system01,1,1...
43,814,401
2
4
null
2017-05-05 18:17:07.623 UTC
1
2017-05-05 22:06:34.803 UTC
2017-05-05 18:46:44.74 UTC
null
7,259,469
null
7,259,469
null
1
18
javascript|d3.js
47,852
<p>The root of your problem is that the value <code>d</code> in your anonymous function passed to <code>dataNest.forEach</code> still contains one level of nesting but you are using it as if it doesn't have any nesting. Your code fails because it is looking for <code>date</code> and <code>availableVolumeCapacity</code...
7,890,685
Referencing "this" inside setInterval/setTimeout within object prototype methods
<p>Normally I'd assign an alternative "self" reference when referring to "this" within setInterval. Is it possible to accomplish something similar within the context of a prototype method? The following code errors.</p> <pre><code>function Foo() {} Foo.prototype = { bar: function () { this.baz(); }, ...
7,890,978
2
1
null
2011-10-25 14:15:40.96 UTC
19
2017-12-01 15:39:57.76 UTC
null
null
null
null
477,610
null
1
45
javascript|scope|lexical-scope
35,232
<p>Unlike in a language like Python, a Javascript method forgets it is a method after you extract it and pass it somewhere else. You can either</p> <h2>Wrap the method call inside an anonymous function</h2> <p>This way, accessing the <code>baz</code> property and calling it happen at the same time, which is necessary f...
23,531,608
How do I save streaming tweets in json via tweepy?
<p>I've been learning Python for a couple of months through online courses and would like to further my learning through a real world mini project. </p> <p>For this project, I would like to collect tweets from the twitter streaming API and store them in json format (though you can choose to just save the key informat...
23,547,623
3
6
null
2014-05-08 02:15:37.49 UTC
11
2014-10-31 12:12:40.21 UTC
2017-05-23 11:45:28.967 UTC
null
-1
null
3,611,239
null
1
7
python|json|tweepy
21,187
<p>In rereading your original question, I realize that you ask a <em>lot</em> of smaller questions. I'll try to answer most of them here but some may merit actually asking a separate question on SO.</p> <ul> <li><strong>Why does it break with the addition of</strong> <code>on_data</code> <strong>?</strong></li> </ul>...
8,945,879
How to get body of a POST in php?
<p>I submit as POST to a php page the following: </p> <pre><code>{a:1} </code></pre> <p>This is the body of the request (a POST request).<br> In php, what do I have to do to extract that value? </p> <pre><code>var_dump($_POST); </code></pre> <p>is not the solution, not working.</p>
8,945,912
9
3
null
2012-01-20 18:05:41.747 UTC
84
2021-05-01 01:03:42.687 UTC
2012-10-24 21:09:52.77 UTC
null
895,378
null
67,153
null
1
369
php|rest|post
396,532
<p>To access the entity body of a POST or PUT request (or any other HTTP method):</p> <pre><code>$entityBody = file_get_contents('php://input'); </code></pre> <p>Also, the <code>STDIN</code> constant is an already-open stream to <code>php://input</code>, so you can alternatively do:</p> <pre><code>$entityBody = stre...
8,672,401
Get random post in Wordpress
<p>How do I get a random post in Wordpress?</p> <p>I would like to display a button on a page that, when pressed, goes to a random post from the blog. I don't want a random post to be displayed on the page, I just want a link that leads to that post. I tried searching for a code on Google and here at stackoverflow but...
8,683,664
5
4
null
2011-12-29 19:20:20.227 UTC
2
2017-03-14 13:53:02.693 UTC
2011-12-30 20:03:10.37 UTC
null
1,038,471
null
1,038,471
null
1
16
wordpress|random
42,287
<p>I found <a href="http://www.wpbeginner.com/wp-tutorials/how-to-redirect-users-to-a-random-post-in-wordpress/" rel="noreferrer">this</a> post which gave me desired results...</p> <p>Here's a solution copy/pasted from the wpbeginner blog post. No copyright infringement intended.</p> <p>Just add the following code to...
5,172,630
How do I display protected Amazon S3 images on my secure site using PHP?
<p>I am trying to move images for my site from my host to Amazon S3 cloud hosting. These images are of client work sites and cannot be publicly available. I would like them to be displayed on my site preferably by using the PHP SDK available from Amazon.</p> <p>So far I have been able to script for the conversion so t...
5,181,773
4
0
null
2011-03-02 19:54:31.773 UTC
14
2015-01-20 22:10:15.61 UTC
null
null
null
null
599,105
null
1
27
php|image|amazon-s3|amazon-web-services|intranet
26,839
<p>The best way to serve your images is to generate a url using the PHP SDK. That way the downloads go directly from S3 to your users. </p> <p>You don't need to download via your servers as @mfonda suggested - you can set any caching headers you like on S3 objects - and if you did you would be losing some major benefi...
5,252,465
Android: enum vs static final ints?
<p>What are the advantages (or disadvantages) of having an <code>enum</code> versus having a set of <code>static final int</code>s in Java Android applications? Are there efficiency or performance optimizations that occur that favor the use of one or the other?</p> <p>I ask this in context of say intent requestCodes a...
5,252,563
4
3
null
2011-03-09 21:36:08.163 UTC
8
2015-06-09 15:37:10.003 UTC
null
null
null
null
649,066
null
1
31
java|android|enums
24,223
<p>Enum advantages from <a href="https://stackoverflow.com/questions/4822877/why-doesnt-android-use-more-enums">this question</a>:</p> <blockquote> <ul> <li>They are much more type-safe than integers, strings, or sets of boolean flags.</li> <li>They lead to more readable code.</li> <li>It's more difficult to...
5,447,278
Bash scripts with tmux to launch a 4-paned window
<p>Can anyone help explain what's going on with <code>tmux</code>, <code>bash</code>, and <code>exec</code>? I'm trying to set up a tmux session with a 4-pane window. Ideally, I want to run a command in 3 of the panes: e.g. a Ruby Thin server and a couple of Ruby daemons. This is what I have so far:</p> <p><code>~/.bi...
7,720,881
4
1
null
2011-03-27 04:42:30.07 UTC
27
2020-10-31 23:05:09.533 UTC
null
null
null
null
59,639
null
1
76
bash|exec|tmux
80,135
<p>As others have mentioned, your commands are being run by the shell script <em>before</em> launching your <code>$SHELL</code>; there is no general way the instance of <code>$SHELL</code> can know what its parent ran before starting it.</p> <p>To get the “initial command” into the shell history, you need to feed the ...
5,407,814
C++ - interval tree implementation
<p><em>Does someone know any good <code>interval tree</code> implementation in C++?</em></p> <p>Obviously, something template-driven, better in <code>boost</code>-like style.</p> <p>And another question - if somebody tested, does a basic <code>std::vector</code>-based interval tree implementation with sorting can bea...
5,408,008
5
0
null
2011-03-23 15:41:47.313 UTC
11
2020-12-18 20:29:42.933 UTC
null
null
null
null
346,332
null
1
35
c++|data-structures|interval-tree
21,718
<p>Boost-like ? <a href="http://www.boost.org/doc/libs/1_46_1/libs/icl/doc/html/index.html" rel="noreferrer">Boost ICL</a>!</p> <p><em>The Boost Interval Container Library</em></p>
5,013,717
Are inner classes in C++ automatically friends?
<p>If I define an inner class in C++, is it automatically a friend of the class that contains it? For example, is this legal:</p> <pre><code>class Outer { public: class Inner { public: void mutateOuter(Outer&amp; o); }; private: int value; }; void Outer::Inner::mutateOuter(Outer&amp; o) { ...
14,759,603
5
8
null
2011-02-16 07:37:05.057 UTC
15
2017-06-29 08:50:12.157 UTC
2015-08-07 14:37:53.77 UTC
null
5,640
null
501,557
null
1
81
c++|friend|nested-class
24,938
<p>After having asked more or less the same question <a href="https://stackoverflow.com/q/14758881/1984137">here</a> myself, I wanted to share the (apparently) updated answer for C++11: </p> <p>Quoted from <a href="https://stackoverflow.com/a/14759027/1984137">https://stackoverflow.com/a/14759027/1984137</a>:</p> <bl...
5,171,502
.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx
<blockquote> <p><strong>Possible Duplicates:</strong><br /> <a href="https://stackoverflow.com/questions/152555/h-or-hpp-for-your-class-definitions">*.h or *.hpp for your class definitions</a><br /> <a href="https://stackoverflow.com/questions/1545080/correct-c-code-file-extension-cc-vs-cpp">Correct C++ code file exten...
5,171,821
6
3
null
2011-03-02 18:04:59.567 UTC
82
2020-08-23 17:19:18.427 UTC
2020-08-23 17:19:18.427 UTC
null
5,740,428
null
541,686
null
1
296
c++|c|filenames|header-files|naming
230,968
<p>Historically, the first extensions used for C++ were <code>.c</code> and <code>.h</code>, exactly like for C. This caused practical problems, especially the <code>.c</code> which didn't allow build systems to easily differentiate C++ and C files.</p> <p>Unix, on which C++ has been developed, has case sensitive fil...
5,089,042
jarsigner: unable to sign jar: java.util.zip.ZipException: invalid entry compressed size (expected 463 but got 465 bytes)
<p>when I am signing the apk, I get "jarsigner: unable to sign jar: java.util.zip.ZipException: invalid entry compressed size (expected 463 but got 465 bytes)" this error message. The apk size is almost 1MB. When I reduce the size to 500KB, signing success. Why this so?..Any Idea?</p>
5,089,188
6
2
null
2011-02-23 09:29:06.157 UTC
31
2021-07-01 12:01:11.6 UTC
null
null
null
null
536,091
null
1
93
android
83,700
<p>You are trying to sign an already signed <code>.apk</code>. You need to export an unsigned <code>.apk</code> file and then sign it with <code>jarsigner</code>.</p>
5,484,809
Full url for an image-path in Rails 3
<p>I have an Image, which contains carrierwave uploads: </p> <pre><code>Image.find(:first).image.url #=&gt; "/uploads/image/4d90/display_foo.jpg" </code></pre> <p>In my view, I want to find the absolute url for this. Appending the <a href="https://stackoverflow.com/questions/1939942/generate-full-url-to-javascript-in...
5,484,829
9
0
null
2011-03-30 10:00:28.767 UTC
11
2017-11-21 19:20:56.69 UTC
2017-05-23 12:03:02.317 UTC
null
-1
null
73,673
null
1
37
ruby-on-rails|ruby|ruby-on-rails-3|url|path
43,109
<p>try <code>path</code> method</p> <pre><code>Image.find(:first).image.path </code></pre> <p><strong>UPD</strong></p> <pre><code>request.host + Image.find(:first).image.url </code></pre> <p>and you can wrap it as a helper to DRY it forever</p> <pre><code>request.protocol + request.host_with_port + Image.find(:fir...
5,074,893
How to remove the last character from a bash grep output
<pre><code>COMPANY_NAME=`cat file.txt | grep "company_name" | cut -d '=' -f 2` </code></pre> <p>outputs something like this</p> <pre><code>"Abc Inc"; </code></pre> <p>What I want to do is I want to remove the trailing ";" as well. How can i do that? I am a beginner to bash. Any thoughts or suggestions would be help...
5,074,995
14
2
null
2011-02-22 06:38:48.3 UTC
10
2018-03-27 20:24:08.4 UTC
2011-02-22 06:50:57.963 UTC
null
90,848
null
316,082
null
1
64
bash|grep
176,823
<p>I'd use <code>sed 's/;$//'</code>. eg:</p> <pre><code>COMPANY_NAME=`cat file.txt | grep "company_name" | cut -d '=' -f 2 | sed 's/;$//'` </code></pre>
12,132,060
confirm() on window.onbeforeunload
<p>I want to show a confirmation dialog if the user wants to leave the page with unsaved form data. What I have is:</p> <pre><code>window.onbeforeunload = function() { if (not_saved) if (confirm('Changes will not be saved')) return true; return false; } </code></pre> <p>But no matter what the user clicks, the...
12,132,076
3
0
null
2012-08-26 16:57:55.667 UTC
2
2018-08-21 13:23:01.273 UTC
null
null
null
null
993,110
null
1
11
javascript
42,972
<pre><code>window.onbeforeunload = function(e) { return 'Dialog text here.'; }; </code></pre> <p>Docs: </p> <ul> <li><a href="https://developer.mozilla.org/en-US/docs/DOM/window.onbeforeunload" rel="noreferrer">https://developer.mozilla.org/en-US/docs/DOM/window.onbeforeunload</a></li> <li><a href="http://dev.w3....
12,480,497
Why am I getting error for apple-touch-icon-precomposed.png
<p>I have created a new rails3 project but I am seeing following logs many times in my server logs. Why I am getting these request and how can I avoid these?</p> <blockquote> <p>Started GET "/apple-touch-icon-precomposed.png" for 192.168.6.2 at 2012-09-18 20:03:53 +0530</p> <p>ActionController::RoutingError (...
12,683,605
11
1
null
2012-09-18 15:46:38.53 UTC
51
2018-08-25 13:03:33.27 UTC
2013-03-13 15:23:12.39 UTC
null
425,313
null
624,657
null
1
269
apple-touch-icon
184,017
<p>I guess apple devices make those requests if the device owner adds the site to it. This is the equivalent of the favicon. To resolve, add 2 100×100 png files, save it as apple-touch-icon-precomposed.png and apple-touch-icon.png and upload it to the root directory of the server. After that, the error should be gone.<...
19,022,210
preferredStatusBarStyle isn't called
<p>I followed <a href="https://stackoverflow.com/questions/17678881/how-to-change-status-bar-text-color-in-ios-7">this thread</a> to override <code>-preferredStatusBarStyle</code>, but it isn't called. Are there any options that I can change to enable it? (I'm using XIBs in my project.)</p>
19,032,879
25
7
null
2013-09-26 07:42:14.107 UTC
118
2022-05-06 16:22:07.557 UTC
2017-05-23 12:26:38.723 UTC
null
-1
null
902,136
null
1
278
ios|ios7|uikit|uistatusbar
141,000
<h2>Possible root cause</h2> <p>I had the same problem, and figured out it was happening because I wasn't setting the root view controller in my application window. </p> <p>The <code>UIViewController</code> in which I had implemented the <code>preferredStatusBarStyle</code> was used in a <code>UITabBarController</cod...
43,343,231
Enhanced REP MOVSB for memcpy
<p>I would like to use enhanced REP MOVSB (ERMSB) to get a high bandwidth for a custom <code>memcpy</code>. </p> <p>ERMSB was introduced with the Ivy Bridge microarchitecture. See the section "Enhanced REP MOVSB and STOSB operation (ERMSB)" in the <a href="https://www-ssl.intel.com/content/www/us/en/architecture-and-...
43,574,756
6
51
null
2017-04-11 10:22:09.467 UTC
57
2022-07-05 03:27:38.697 UTC
2021-03-11 12:25:59.953 UTC
null
224,132
null
2,542,702
null
1
87
performance|assembly|x86|cpu-architecture|memcpy
25,031
<p>This is a topic pretty near to my heart and recent investigations, so I'll look at it from a few angles: history, some technical notes (mostly academic), test results on my box, and finally an attempt to answer your actual question of when and where <code>rep movsb</code> might make sense. </p> <p>Partly, this is a...
3,362,885
How to get Users Email Id in Facebook application using PHP?
<p>I have created a simple Facebook application in PHP, that greets user by there user name, I also want there Email id, to be displayed. But i am not able to do that. the code that i am using is,</p> <pre><code>require_once('facebook.php'); require_once('config.php'); $facebook = new Facebook(APIKEY, SECRETKEY); $use...
3,413,156
3
2
null
2010-07-29 13:20:52.5 UTC
7
2012-04-22 13:30:29.557 UTC
null
null
null
null
212,595
null
1
7
php|facebook
45,444
<p>You can get the Email Address, directly without using the FQL.</p> <pre><code>// initialize facebook $facebook = new Facebook(array( 'appId' =&gt; APP_ID, 'secret' =&gt; APP_SECRET)); $session = $facebook-&gt;getSession(); if ($session) { try { $fbme = $facebook-&gt;api('/me'); } catch (F...
3,730,358
How to add multiple headers throughout a single ListView with addHeaderView()?
<p>Can Android's addHeaderView() be used to add multiple headers throughout a single ListView? Can someone give an example of how to do this?</p> <p>I was able to accomplish what I wanted by manipulating the IconicAdapter Class... is there any reason why I should not do it this way? I feel this could be modified for m...
3,761,414
4
0
null
2010-09-16 20:04:23.013 UTC
9
2014-12-27 06:48:58.243 UTC
2014-12-27 06:48:58.243 UTC
null
474,189
null
300,129
null
1
13
android|listview|header
23,950
<p>What you want Android developers might call a list separator or subheading ("headers" and "footers" live only at the top or bottom of the list). The gist of how you can do this is by using a ListAdapter that wraps other ListAdapters and is smart enough to return a header view type for certain rows and keep track of ...
36,987,636
Cannot create an instance of OLE DB provider Microsoft.Jet.OLEDB.4.0 for linked server null
<p>I am trying to export from my <code>Table</code> data into <code>Excel</code> through <code>T-SQL</code> query. After little research I came up with this </p> <pre><code>INSERT INTO OPENROWSET ('Microsoft.Jet.OLEDB.4.0', 'Excel 8.0;Database=G:\Test.xls;', 'SELECT * ...
37,197,221
4
14
null
2016-05-02 16:55:52.233 UTC
17
2021-02-16 15:43:54.637 UTC
2016-05-12 17:08:20.117 UTC
null
3,349,551
null
3,349,551
null
1
33
sql|sql-server|export-to-excel|openrowset
114,931
<p>I have MS Sql server 2012, and Office 2013. This seems to be very finicky, so you may have to adjust to your particular versions.</p> <ol> <li>Download the Microsoft.ACE.OLEDB.12.0 for Windows, 64 bit version found here: <a href="https://www.microsoft.com/en-us/download/details.aspx?id=13255" rel="noreferrer">htt...
38,255,655
Trying to pull files from my Github repository: "refusing to merge unrelated histories"
<p>I'm learning git, and I'm following the Git community book. </p> <p>Previously (long time ago) I made a public repository on Github, with some files. Now I set up a local Git repository on my current computer, and committed some files. Then I added a remote pointing to my Github page:</p> <pre><code>[root@osboxes ...
38,680,153
8
7
null
2016-07-07 21:33:49.263 UTC
45
2021-11-09 14:15:49.92 UTC
null
null
null
null
2,722,504
null
1
155
git|github|git-pull|git-fetch
185,381
<p>Try <code>--allow-unrelated-histories</code></p> <p>Like max630 commented, or as explained here <a href="https://stackoverflow.com/questions/37937984/git-refusing-to-merge-unrelated-histories">Git refusing to merge unrelated histories</a></p>
8,430,777
Programmatically get path to Application Support folder
<p>I'm trying to get an NSString for the user's Application Support folder.</p> <p>I know I can do <code>NSString *path = @"~/Library/Application Support";</code> but this doesn't seem very elegant. I've played around with using <code>NSSearchPathForDirectoriesInDomains</code> but it seems to be quite long-winded and ...
8,430,843
7
6
null
2011-12-08 12:05:39.277 UTC
11
2020-05-13 14:44:17.137 UTC
2017-04-04 12:15:00.967 UTC
null
1,033,581
null
262,455
null
1
64
ios|objective-c|swift|cocoa
40,695
<p>This is outdated, for current best practice use <code>FileManager.default.urls(for:in:)</code> as in the comment by <a href="https://stackoverflow.com/users/151471/andyvn22">@andyvn22</a> below.</p> <p>the Best practice is to use <code>NSSearchPathForDirectoriesInDomains</code> with <code>NSApplicationSupportDirect...
22,155,832
Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
<p>Using Spring's Java Config, I need to acquire/instantiate a prototype-scoped bean with constructor arguments that are only obtainable at runtime. Consider the following code example (simplified for brevity):</p> <pre><code>@Autowired private ApplicationContext appCtx; public void onRequest(Request request) { ...
22,184,027
9
6
null
2014-03-03 19:43:43.6 UTC
72
2022-07-20 06:54:25.213 UTC
2018-12-14 19:21:58.367 UTC
null
407,170
null
407,170
null
1
170
java|spring|scope|prototype|spring-java-config
115,113
<p>In a <code>@Configuration</code> class, a <code>@Bean</code> method like so</p> <pre><code>@Bean @Scope(&quot;prototype&quot;) public Thing thing(String name) { return new Thing(name); } </code></pre> <p>is used to register a <strong>bean definition and provide the factory for creating the bean</strong>. The bea...