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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4,666,590 | Remove outliers from correlation coefficient calculation | <p>Assume we have two numeric vectors <code>x</code> and <code>y</code>. The Pearson correlation coefficient between <code>x</code> and <code>y</code> is given by</p>
<blockquote>
<p>cor(x, y)</p>
</blockquote>
<p>How can I automatically consider only a subset of <code>x</code> and <code>y</code> in the calculation... | 4,667,300 | 5 | 2 | null | 2011-01-12 08:20:33.197 UTC | 11 | 2017-03-20 10:17:42.993 UTC | 2011-01-12 12:26:29.927 UTC | null | 415,690 | null | 488,719 | null | 1 | 10 | r|statistics|correlation | 25,222 | <p>If you <em>really</em> want to do this (remove the largest (absolute) residuals), then we can employ the linear model to estimate the least squares solution and associated residuals and then select the middle n% of the data. Here is an example:</p>
<p>Firstly, generate some dummy data:</p>
<pre><code>require(MASS)... |
4,827,622 | Copy several byte arrays to one big byte array | <p>I have one big <code>byte[]</code> array and lot of small <code>byte</code> arrays ( length of big array is sum of lengths small arrays). Is there maybe some quick method to copy one array to another from starting position to ending, not to use for loop for every byte manually ?</p> | 4,827,732 | 5 | 0 | null | 2011-01-28 11:19:30.693 UTC | 6 | 2017-04-15 17:36:19.84 UTC | 2011-01-28 14:47:01.393 UTC | null | 342,852 | null | 486,578 | null | 1 | 35 | java|arrays | 64,729 | <p>You can use a <a href="http://download.oracle.com/javase/6/docs/api/java/nio/ByteBuffer.html" rel="noreferrer"><code>ByteBuffer</code></a>.</p>
<pre><code>ByteBuffer target = ByteBuffer.wrap(bigByteArray);
target.put(small1);
target.put(small2);
...;
</code></pre> |
4,256,329 | Cannot implicitly convert type 'System.Collections.Generic.IEnumerable<AnonymousType#1>' to 'System.Collections.Generic.List<string> | <p>I have the code below:</p>
<pre><code>List<string> aa = (from char c in source
select new { Data = c.ToString() }).ToList();
</code></pre>
<p>But what about </p>
<pre><code>List<string> aa = (from char c1 in source
from char c2 in source
select ... | 4,256,387 | 5 | 2 | null | 2010-11-23 13:12:20.247 UTC | 4 | 2016-06-08 05:36:44.217 UTC | 2012-08-01 10:30:20.157 UTC | null | 41,956 | user372724 | null | null | 1 | 42 | c#|.net|linq|compiler-errors | 236,569 | <pre><code>IEnumerable<string> e = (from char c in source
select new { Data = c.ToString() }).Select(t = > t.Data);
// or
IEnumerable<string> e = from char c in source
select c.ToString();
// or
IEnumerable<string> e = source.Select(c = > c.ToStrin... |
4,623,328 | Select first occurring element after another element | <p>I've got the following HTML code on a page:</p>
<pre><code><h4>Some text</h4>
<p>
Some more text!
</p>
</code></pre>
<p>In my <code>.css</code> I've got the following selector to style the <code>h4</code> element. The HTML code above is just a small part of the entire code; there are severa... | 4,623,351 | 5 | 0 | null | 2011-01-07 07:17:54.947 UTC | 14 | 2021-08-10 04:30:08.483 UTC | 2019-01-04 21:33:45.717 UTC | null | 3,345,644 | null | 291,293 | null | 1 | 149 | html|css|css-selectors | 166,673 | <pre><code>#many .more.selectors h4 + p { ... }
</code></pre>
<p>This is called the <a href="http://www.w3.org/TR/CSS2/selector.html#adjacent-selectors" rel="noreferrer">adjacent sibling selector</a>.</p> |
4,494,404 | Find large number of consecutive values fulfilling condition in a numpy array | <p>I have some audio data loaded in a numpy array and I wish to segment the data by finding silent parts, i.e. parts where the audio amplitude is below a certain threshold over a a period in time.</p>
<p>An extremely simple way to do this is something like this:</p>
<pre><code>values = ''.join(("1" if (abs(x) < SI... | 4,495,197 | 8 | 0 | null | 2010-12-20 22:02:05.607 UTC | 14 | 2021-01-31 22:46:58.237 UTC | null | null | null | null | 458,320 | null | 1 | 25 | python|search|numpy | 15,279 | <p>Here's a numpy-based solution.</p>
<p>I think (?) it should be faster than the other options. Hopefully it's fairly clear.</p>
<p>However, it does require a twice as much memory as the various generator-based solutions. As long as you can hold a single temporary copy of your data in memory (for the diff), and a boo... |
4,101,539 | C# removing substring from end of string | <p>I have an array of strings:</p>
<pre><code>string[] remove = { "a", "am", "p", "pm" };
</code></pre>
<p>And I have a textbox that a user enters text into. If they type any string in the <code>remove</code> array at the end of the text in the textbox, it should be removed. What is the easiest way to do this?</p>
<... | 4,101,583 | 8 | 6 | null | 2010-11-04 21:23:26.1 UTC | 1 | 2020-02-27 16:20:35.17 UTC | 2020-02-27 16:20:35.17 UTC | null | 953,496 | null | 481,702 | null | 1 | 56 | c#|string|textbox | 96,991 | <pre><code>string[] remove = { "a", "am", "p", "pm" };
string inputText = "blalahpm";
foreach (string item in remove)
if (inputText.EndsWith(item))
{
inputText = inputText.Substring(0, inputText.LastIndexOf(item));
break; //only allow one match at most
}
</code></pre> |
4,732,544 | Why are only final variables accessible in anonymous class? | <ol>
<li><p><code>a</code> can only be final here. Why? How can I reassign <code>a</code> in <code>onClick()</code> method without keeping it as private member?</p>
<pre><code>private void f(Button b, final int a){
b.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent e... | 4,732,617 | 15 | 8 | null | 2011-01-19 06:58:42.2 UTC | 227 | 2021-03-16 20:41:58.64 UTC | 2017-07-14 09:29:07.35 UTC | null | 5,091,346 | user467871 | null | null | 1 | 381 | java|event-handling|anonymous-class | 125,467 | <p>As noted in comments, some of this becomes irrelevant in Java 8, where <code>final</code> can be implicit. Only an <em>effectively</em> final variable can be used in an anonymous inner class or lambda expression though.</p>
<hr>
<p>It's basically due to the way Java manages <a href="http://en.wikipedia.org/wiki/Cl... |
4,105,795 | Pretty-Print JSON in Java | <p>I'm using <a href="/questions/tagged/json-simple" class="post-tag" title="show questions tagged 'json-simple'" rel="tag">json-simple</a> and I need to pretty-print JSON data (make it more human readable).</p>
<p>I haven't been able to find this functionality within that library.
How is this commonly achieve... | 7,310,424 | 21 | 1 | null | 2010-11-05 12:24:08.397 UTC | 55 | 2022-07-24 19:23:13.617 UTC | 2015-09-11 14:35:33.077 UTC | null | 3,453,226 | null | 328,681 | null | 1 | 273 | java|json|pretty-print|json-simple | 342,993 | <p>Google's <a href="https://github.com/google/gson" rel="noreferrer">GSON</a> can do this in a nice way:</p>
<pre><code>Gson gson = new GsonBuilder().setPrettyPrinting().create();
JsonParser jp = new JsonParser();
JsonElement je = jp.parse(uglyJsonString);
String prettyJsonString = gson.toJson(je);
</code></pre>
<p>or... |
4,827,092 | unable to install pg gem | <p>I tried using <code>gem install pg</code> but it doesn't seem to work.</p>
<p><code>gem install pg</code> gives this error</p>
<pre><code>Temporarily enhancing PATH to include DevKit...
Building native extensions. This could take a while...
ERROR: Error installing pg:
ERROR: Failed to build gem native ex... | 4,827,229 | 23 | 4 | null | 2011-01-28 10:19:27.767 UTC | 53 | 2022-03-17 23:13:31.24 UTC | 2015-03-09 10:25:42.487 UTC | null | 2,641,576 | null | 429,167 | null | 1 | 252 | ruby-on-rails|ruby|rubygems|installation | 162,157 | <p>Answered here:
<a href="https://stackoverflow.com/questions/4335750/cant-install-pg-gem-on-windows">Can't install pg gem on Windows</a></p>
<blockquote>
<p>There is no Windows native version of
latest release of pg (0.10.0) released
yesterday, but if you install 0.9.0 it
should install binaries without
... |
14,501,748 | cannot open window service on computer '.' in window application | <p>I develop one window application and I also create one service. I start the service using coding in window application, but I am getting an error like cannot open window service on computer <code>'.'</code> </p>
<p>I have used below code.</p>
<pre><code>ServiceController controller = new ServiceController("SeoMozS... | 14,600,685 | 7 | 9 | null | 2013-01-24 12:48:21.483 UTC | 3 | 2021-09-24 09:20:38.703 UTC | 2013-05-15 19:56:00.483 UTC | null | 58,074 | null | 1,253,970 | null | 1 | 21 | c#|windows-services|windows-applications | 48,630 | <p>Go to
<code>c://Program Files/ApplicationFolder/.exe</code>
Right-click on .exe and go to <code>Properties</code> then go <code>Compatibility Tab</code> and check true to <code>Run this Program as an administrator Level</code>.</p> |
14,608,250 | How can I find the size of a type? | <p>I'm holding a <code>Type*</code> in my hand. How do I find out its size (the size objects of this type will occupy in memory) in bits / bytes? I see all kinds of methods allowing me to get "primitive" or "scalar" size, but that won't help me with aggregate types...</p> | 14,608,251 | 2 | 1 | null | 2013-01-30 15:59:16.883 UTC | 10 | 2018-04-08 15:08:11.017 UTC | null | null | null | null | 242,762 | null | 1 | 26 | llvm | 10,391 | <p>The size depends on the target (for several reasons, alignment being one of them).</p>
<p>In LLVM versions 3.2 and above, you need to use <a href="http://llvm.org/docs/doxygen/html/classllvm_1_1DataLayout.html" rel="noreferrer">DataLayout</a>, in particular its <code>getTypeAllocSize</code> method. This returns the... |
14,365,725 | Easiest/Lightest Replacement For Browser Detection jQuery 1.9? | <p>I had several clients complain yesterday that some code stopped working. Apparently it comes down to plug-ins using the now deprecated <code>jQuery.browser</code> which stopped working yesterday when jQuery 1.9 was released.</p>
<p>I (quickly) looked at the 1.9 change docs and it <em>seems</em> like they want me to... | 16,194,719 | 13 | 3 | null | 2013-01-16 19:01:02.293 UTC | 11 | 2014-07-10 13:50:57.803 UTC | 2013-02-11 22:14:38.673 UTC | null | 237,917 | null | 1,332,527 | null | 1 | 64 | jquery|browser-detection | 63,696 | <p>I've use the following code answered by Alexx Roche, but i wanted to detect MSIE so:</p>
<pre><code><script type="text/javascript">
$(document).ready(function() {
if (navigator.userAgent.match(/msie/i) ){
alert('I am an old fashioned Internet Explorer');
}
});
</script>
</code>... |
14,622,421 | How to change legend title in ggplot | <p>I have the following plot like below. It was created with this command:</p>
<pre><code>library(ggplot2)
df <- data.frame(cond = factor(rep(c("A", "B"), each = 200)),
rating = c(rnorm(200), rnorm(200, mean=.8)))
ggplot(df, aes(x=rating, fill=cond)) +
geom_density(alpha = .3... | 14,622,513 | 13 | 7 | null | 2013-01-31 09:31:10.45 UTC | 97 | 2022-01-05 21:31:01.18 UTC | 2022-01-05 21:31:01.18 UTC | null | 15,293,191 | null | 67,405 | null | 1 | 454 | r|plot|ggplot2 | 998,721 | <p>This should work:</p>
<pre><code>p <- ggplot(df, aes(x=rating, fill=cond)) +
geom_density(alpha=.3) +
xlab("NEW RATING TITLE") +
ylab("NEW DENSITY TITLE")
p <- p + guides(fill=guide_legend(title="New Legend Title"))
</code></pre>
<p>(or alternatively)</p>
<pre><code>p + s... |
2,936,116 | Autotools: how to cleanup files created by "./configure" in lighttpd project? | <p>I'm trying out <code>lighttpd</code> for an embedded Linux project. I got the latest source package and started writing a master Makefile encapsulating all configure, compile, install (for testing) etc stuff. </p>
<p>And vice-versa, I want to cleanup every step. After the cleanup there should be no generated files ... | 2,937,092 | 2 | 2 | null | 2010-05-29 18:17:43.49 UTC | 4 | 2016-04-03 13:52:18.527 UTC | 2016-02-24 10:30:36.647 UTC | null | 1,052,126 | null | 330,272 | null | 1 | 37 | makefile|autotools|configure|lighttpd|undo | 49,287 | <p>I personally would really use the features of a source control software (you should use one) for this. This would cleanup make independent of your build process. See e.g. <a href="http://websvn.kde.org/*checkout*/trunk/KDE/kdesdk/scripts/svn-clean?pathrev=499176" rel="noreferrer"><code>svn-cleanup</code></a> or <co... |
53,682,247 | How to point Go module dependency in go.mod to a latest commit in a repo? | <p>Starting with v1.11 Go added support for modules. Commands</p>
<pre><code>go mod init <package name>
go build
</code></pre>
<p>would generate <code>go.mod</code> and <code>go.sum</code> files that contain all found versions for the package dependencies. </p>
<p>If a module does not have any releases, the la... | 53,682,399 | 6 | 0 | null | 2018-12-08 11:53:31.147 UTC | 48 | 2021-11-26 07:52:12.38 UTC | null | null | null | null | 23,080 | null | 1 | 195 | git|go|module | 197,876 | <p>Just 'go get' at the commit hash you want:</p>
<pre><code>go get github.com/someone/some_module@af044c0995fe
</code></pre>
<p>'go get' will correctly update the dependency files (go.mod, go.sum).</p>
<p>More information: <a href="https://github.com/golang/go/wiki/Modules#how-to-upgrade-and-downgrade-dependencies"... |
53,658,208 | Custom AppBar Flutter | <p>Im trying to achieve something like the following,
<a href="https://i.stack.imgur.com/xRIAc.png" rel="noreferrer"><img src="https://i.stack.imgur.com/xRIAc.png" alt="enter image description here"></a></p>
<p>I'm very new to flutter so I couldn't figure it out.
I need a custom AppBar with drawer and actions but arr... | 53,658,805 | 5 | 1 | null | 2018-12-06 19:15:42.353 UTC | 21 | 2021-07-22 15:19:41.41 UTC | null | null | null | null | 3,831,319 | null | 1 | 24 | dart|flutter|flutter-layout | 112,446 | <p>As I mentioned in the comment , you can create a Custom widget like your Image attached, there are many ways to do it, this is just an example :</p>
<pre><code> class CustomBarWidget extends StatelessWidget {
GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey();
@override
Widget build(Bu... |
30,642,894 | Getting Flask to use Python3 (Apache/mod_wsgi) | <p>I've got a basic "hello world" Flask app running.</p>
<p>I'm on Ubuntu 14.04, using Apache 2.4. I've installed mod_wsgi.</p>
<p>I've created a <code>~/web/piFlask/venv/</code> to hold a virtualenv-created Python2 with flask installed.</p>
<p>However, I wish to have my flaskapp import a Python3.x module I have w... | 30,643,902 | 4 | 0 | null | 2015-06-04 11:39:56.37 UTC | 10 | 2018-03-13 22:44:23.35 UTC | null | null | null | null | 435,129 | null | 1 | 14 | python-3.x|flask|mod-wsgi | 20,578 | <p>Correct, mod_wsgi needs to be compiled for a specific Python version as it never actually executes 'python' executable. Instead the Python library is linked into mod_wsgi.</p>
<p>The end result is you cannot mix Python 3 code within an application running using the Python 2 interpreter.</p>
<p>You would have to co... |
44,533,319 | How to assign more memory to docker container | <p>As the title reads, I'm trying to assign more memory to my container. I'm using an image from docker hub called "aallam/tomcat-mysql" in case that's relevant.</p>
<p>When I start it normally without any special flags, there's a memory limit of 2GB (even though I read that memory is unbounded if not set)</p>
<p>Her... | 44,533,437 | 4 | 0 | null | 2017-06-13 23:59:34.483 UTC | 27 | 2022-09-20 11:31:47.47 UTC | 2018-10-04 03:58:16.667 UTC | null | 4,671,027 | null | 1,007,922 | null | 1 | 183 | docker|docker-container | 236,485 | <p>That <code>2GB</code> limit you see is the total memory of the VM (virtual machine) on which docker runs.</p>
<p>If you are using <a href="https://docs.docker.com/desktop/" rel="nofollow noreferrer">Docker Desktop</a> you can easily increase it from the Whale icon in the task bar, then go to Preferences -> Advan... |
10,834,817 | Xcode Simulator: how to remove older unneeded devices? | <p>I'm running Xcode 4.3.1 iOS-Simulator which originally only supports iOS 5.1.</p>
<p>I need to test my code with iOS 4.3, so I used Xcode's "Install" feature to install it as described in <a href="https://apple.stackexchange.com/questions/47323">"Installing Xcode with iOS 4.3 device simulator?"</a></p>
<p>Now I'm ... | 10,835,251 | 21 | 0 | null | 2012-05-31 13:40:49.83 UTC | 90 | 2022-09-13 12:13:10.767 UTC | 2018-01-09 11:49:27.803 UTC | null | 3,397,217 | null | 1,633,251 | null | 1 | 257 | ios|xcode|ios-simulator | 165,796 | <p>Did you try to just delete the 4.3 SDK from within the Xcode Package?</p>
<blockquote>
<p>/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs</p>
</blockquote>
<p>please also delete the corresponding .dmg file in</p>
<blockquote>
<p>~/Library/Caches/com.apple.dt.Xcode/Downloa... |
34,580,662 | What does "Stage Skipped" mean in Apache Spark web UI? | <p>From my Spark UI. What does it mean by skipped?</p>
<p><a href="https://i.stack.imgur.com/cyvd1.png"><img src="https://i.stack.imgur.com/cyvd1.png" alt="enter image description here"></a></p> | 34,581,152 | 2 | 0 | null | 2016-01-03 19:26:29.91 UTC | 30 | 2021-02-05 07:59:55.47 UTC | 2017-08-18 21:43:08.447 UTC | null | -1 | null | 127,320 | null | 1 | 106 | apache-spark|rdd | 31,724 | <p>Typically it means that data has been fetched from cache and there was no need to re-execute given stage. It is consistent with your DAG which shows that the next stage requires shuffling (<code>reduceByKey</code>). Whenever there is shuffling involved Spark <a href="https://spark.apache.org/docs/1.5.0/programming-g... |
34,490,599 | C++11: How to set seed using <random> | <p>I am exercising the random library, new to C++11. I wrote the following minimal program:</p>
<pre><code>#include <iostream>
#include <random>
using namespace std;
int main() {
default_random_engine eng;
uniform_real_distribution<double> urd(0, 1);
cout << "Uniform [0, 1): " <&... | 34,493,057 | 2 | 0 | null | 2015-12-28 09:09:05.873 UTC | 9 | 2015-12-29 20:01:59.9 UTC | 2015-12-28 12:07:47.913 UTC | null | 559,289 | null | 2,432,059 | null | 1 | 27 | c++11|random | 35,325 | <p>The point of having a <code>seed_seq</code> is to increase the entropy of the generated sequence. If you have a random_device on your system, initializing with multiple numbers from that random device may arguably do that. On a system that has a pseudo-random number generator I don't think there is an increase in ra... |
34,607,028 | How to set Image resource to ImageView using DataBinding | <p>How can we use data binding in android to put image resource in an <code>ImageView</code>? </p>
<pre><code> <ImageView
android:id="@+id/is_synced"
android:src="@{model.pending ? @mipmap/pending: @mipmap/synced}"
android:layout_width="wrap_content"
android:layout_h... | 37,570,135 | 9 | 1 | null | 2016-01-05 08:19:22.633 UTC | 13 | 2020-05-01 21:42:32.077 UTC | 2016-01-05 08:38:30.173 UTC | null | 2,006,803 | null | 2,006,803 | null | 1 | 89 | android|xml|android-databinding | 84,224 | <p>set image like this,</p>
<pre><code> <ImageView
android:layout_width="28dp"
android:layout_height="28dp"
android:src="@{model.isActive ? @drawable/white_activated_icon :@drawable/activated_icon}"
tools:src="@mipmap/white_activated_icon" />
</code></pre> |
26,157,620 | Convert a simple one line string to RDD in Spark | <p>I have a simple line:</p>
<pre><code>line = "Hello, world"
</code></pre>
<p>I would like to convert it to an RDD with only one element.
I have tried </p>
<pre><code>sc.parallelize(line)
</code></pre>
<p>But it get:</p>
<pre><code>sc.parallelize(line).collect()
['H', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r',... | 26,158,173 | 3 | 0 | null | 2014-10-02 09:07:14.783 UTC | 5 | 2020-11-20 14:54:56.94 UTC | 2016-09-06 23:47:33.047 UTC | null | 2,411,320 | null | 112,976 | null | 1 | 29 | python|apache-spark|pyspark|distributed-computing|rdd | 50,363 | <p>try using List as parameter: </p>
<pre><code>sc.parallelize(List(line)).collect()
</code></pre>
<p>it returns </p>
<pre><code>res1: Array[String] = Array(hello,world)
</code></pre> |
38,892,270 | DELETE_FAILED_INTERNAL_ERROR Error while Installing APK | <p><a href="https://i.stack.imgur.com/F2Isr.png" rel="noreferrer"><img src="https://i.stack.imgur.com/F2Isr.png" alt="enter image description here" /></a>I am using <strong>Android Studio 2.2</strong> Preview. I am facing the issue</p>
<blockquote>
<p>Failure: Install failed invalid apk</p>
<p>Error: While installing a... | 43,734,320 | 32 | 8 | null | 2016-08-11 09:21:24.16 UTC | 43 | 2020-07-28 12:48:04.74 UTC | 2020-06-20 09:12:55.06 UTC | null | -1 | null | 4,301,371 | null | 1 | 203 | android|android-studio|build.gradle | 182,147 | <p><strong>Android studio mac/windows/linux:</strong></p>
<p><strong>Steps in together (mac):</strong>
Android Studio > Preferences > Build, Execution, Deployment > Instant Run > Uncheck : Enable Instant Run</p>
<p><strong>Steps in together (windows & linux):</strong> File > Settings > Build, Execution, Deploymen... |
49,949,526 | Laravel mysql migrate error | <p>I recently format my mac book pro, after cloning the proyect from github and install the things I need like MySql and Sequel Pro I tried to migrate the database information but I get this error:</p>
<pre><code> Illuminate\Database\QueryException : SQLSTATE[42000]: Syntax error or access violation: 1231 Variable ... | 50,372,200 | 10 | 5 | null | 2018-04-20 20:49:24.193 UTC | 16 | 2021-10-08 12:25:19.317 UTC | null | null | null | null | 8,161,086 | null | 1 | 66 | php|mysql|laravel|laravel-5.6 | 43,681 | <p>I finally found the solutions a days ago and I remembered this post.
In the <code>config/database.php</code> file in mysql tag, the sql modes should be added in order to skip this error. <a href="https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sql-mode-full" rel="noreferrer">https://dev.mysql.com/doc/refman/8.... |
3,034,162 | Plotting a cumulative graph of python datetimes | <p>Say I have a list of datetimes, and we know each datetime to be the recorded time of an event happening.</p>
<p>Is it possible in matplotlib to graph the frequency of this event occurring over time, showing this data in a cumulative graph (so that each point is greater or equal to all of the points that went before... | 3,034,217 | 3 | 0 | null | 2010-06-13 22:34:49.937 UTC | 9 | 2017-07-24 06:30:05.62 UTC | 2017-07-24 06:30:05.62 UTC | null | 3,632,894 | null | 221,001 | null | 1 | 18 | python|datetime|graph|matplotlib | 11,395 | <p>This should work for you:</p>
<pre><code>counts = arange(0, len(list_of_dates))
plot(list_of_dates, counts)
</code></pre>
<p>You can of course give any of the usual options to the <code>plot</code> call to make the graph look the way you want it. (I'll point out that matplotlib is very adept at handling dates and ... |
2,714,507 | jQuery ajax upload with progress bar - no flash | <p>I am looking for a file uploader similar to <a href="http://www.uploadify.com/" rel="noreferrer">uploadify</a> with progress bar that doesn't rely on flash, preferably using jQuery - is this possible?</p> | 2,714,755 | 3 | 1 | null | 2010-04-26 15:05:31.38 UTC | 13 | 2013-03-27 18:45:34.613 UTC | 2010-04-26 15:14:05.693 UTC | null | 94,278 | null | 94,278 | null | 1 | 20 | jquery|ajax|post|upload | 66,719 | <p>Sure, it's possible. A couple sites with different code and tutorials are:</p>
<ul>
<li><a href="http://github.com/drogus/jquery-upload-progress" rel="noreferrer">http://github.com/drogus/jquery-upload-progress</a> (ninja'd by DrJokepu ;)</li>
<li><a href="http://web.archive.org/web/20120414125425/http://t.wits.sg/... |
2,756,923 | Javascript if (j === null) do nothing | <p>I'm using <a href="http://www.curvycorners.net/" rel="nofollow noreferrer">CurvyCorners</a> to make my corners curvy in IE, only thing is that when it reads the CSS it takes all the webkit properties and shows me an alert <code>curvyCorners.alert("No object with ID " + arg + " exists yet.\nCall curvyCorners(settings... | 2,756,933 | 5 | 0 | null | 2010-05-03 08:37:01.65 UTC | 1 | 2020-04-10 11:56:39.023 UTC | 2010-05-03 08:48:01.11 UTC | null | 58,635 | null | 287,047 | null | 1 | 5 | javascript|html | 38,112 | <p>Do you have access to the code? If so, you can add this code to the start of the curvyCorners function definition:</p>
<pre><code>if (!obj) return;
</code></pre>
<p>This will quit the curvyCorners function silently if the element doesn't exist.</p> |
38,709,886 | Call route from button click laravel | <p>I am using the Laravel framework and the blade templating engine for one of my projects, where I have a route which looks like </p>
<pre><code>Route::get('/problems/{problem-id}/edit', 'AdminController@editProblem');
</code></pre>
<p>I have <strong>editProblem</strong> method in <strong>AdminController</strong> wh... | 38,710,638 | 4 | 0 | null | 2016-08-02 00:11:26.13 UTC | 5 | 2022-02-24 04:16:26.773 UTC | 2018-01-18 07:59:58.85 UTC | null | 4,426,099 | null | 4,426,099 | null | 1 | 13 | php|laravel|laravel-5|routes|balde | 112,148 | <h3>In my opnion, you should use url() Laravel method</h3>
<p>To call you route with the problem's id you can do:</p>
<pre><code><a href="{{ url('/problems/' . $problem->id . '/edit') }}" class="btn btn-xs btn-info pull-right">Edit</a>
</code></pre>
<p>I used an anchor tag, but it wil... |
54,101,923 | 1006 Connection closed abnormally error with python 3.7 websockets | <p>I'm having the same problem as this github issue with python websockets:
<a href="https://github.com/aaugustin/websockets/issues/367" rel="noreferrer">https://github.com/aaugustin/websockets/issues/367</a></p>
<p>The proposed solution isn't working for me though. The error I'm getting is:</p>
<p>websockets.excepti... | 54,660,106 | 6 | 0 | null | 2019-01-09 01:06:30.653 UTC | 9 | 2021-08-12 00:25:06.003 UTC | null | null | null | null | 4,696,535 | null | 1 | 18 | python|python-3.x|websocket|python-asyncio | 27,749 | <p>So I found the solution:</p>
<p>When the connection closes, it breaks out of the while loop for some reason. So in order to keep the websocket running you have to surround </p>
<pre><code>resp = await websocket.recv()
</code></pre>
<p>with try ... except and have </p>
<pre><code>print('Reconnecting')
websocket =... |
50,670,326 | How to check if point is placed inside contour? | <p>I have drawn a contour around extreme points. Inside polygon figure I have others points.
How to check if they are inside contour?</p> | 50,670,359 | 1 | 0 | null | 2018-06-03 19:40:19.633 UTC | 9 | 2022-08-15 11:43:30.757 UTC | 2022-08-15 11:43:30.757 UTC | null | 6,885,902 | null | 8,291,684 | null | 1 | 17 | python|opencv|contour|opencv3.0 | 15,493 | <p>You can use the <code>cv2.pointPolygonTest()</code> function available in OpenCV.</p>
<p>For example:</p>
<p><code>dist = cv2.pointPolygonTest(cnt,(50,50),True)</code></p>
<p>In this example we are checking whether the coordinate <code>(50, 50)</code> is present withing the contour <code>cnt</code></p>
<ol>
<li><p><... |
49,377,231 | When to use Rc vs Box? | <p>I have the following code which uses both <code>Rc</code> and <code>Box</code>; what is the difference between those? Which one is better?</p>
<pre><code>use std::rc::Rc;
fn main() {
let a = Box::new(1);
let a1 = &a;
let a2 = &a;
let b = Rc::new(1);
let b1 = b.clone();
let b2 = b.clo... | 49,379,201 | 2 | 0 | null | 2018-03-20 05:59:06.893 UTC | 10 | 2022-04-28 04:17:59.757 UTC | 2022-04-28 04:17:59.757 UTC | null | 8,776,746 | null | 1,125,621 | null | 1 | 32 | rust|reference-counting | 14,659 | <p><a href="https://doc.rust-lang.org/std/rc/" rel="noreferrer"><code>Rc</code></a> provides shared ownership so by default its contents can't be mutated, while <a href="https://doc.rust-lang.org/std/boxed/" rel="noreferrer"><code>Box</code></a> provides exclusive ownership and thus mutation is allowed:</p>
<pre><code... |
35,280,479 | Can I choose where my conda environment is stored? | <p>Can I change the path /Users/nolan/miniconda/envs/ to another one when creating a virtual environment ? I'd like it to be specific to my project directory. (As we can do with virtualenv)</p>
<pre><code>$conda info -e
Using Anaconda Cloud api site https://api.anaconda.org
# conda environments:
#
_build ... | 35,303,953 | 4 | 0 | null | 2016-02-08 22:20:46.217 UTC | 17 | 2021-09-21 09:18:05.687 UTC | null | null | null | null | 2,201,037 | null | 1 | 50 | conda | 51,057 | <p>You can change the environments directory by editing your .condarc file found in your user directory. Add the following specifying the path to the directory you want:</p>
<pre><code>envs_dirs:
- /Users/nolan/newpath
</code></pre> |
53,461,830 | Send message using Django Channels from outside Consumer class | <p>I am building an online game, which uses Django channels 2.1.5 for websockets.</p>
<p>I am able to build the connection between the client and the server, and also able to send data between them only inside the consumer class:</p>
<pre><code>from channels.generic.websocket import WebsocketConsumer
import json
from... | 53,495,618 | 3 | 0 | null | 2018-11-24 19:52:57.857 UTC | 11 | 2019-11-18 18:09:42.957 UTC | 2019-11-18 18:09:42.957 UTC | null | 6,250,155 | null | 7,406,460 | null | 1 | 22 | python|django|websocket|django-channels | 13,168 | <p>Firstly you need your consumer instance to subscribe to a group. </p>
<pre><code>from asgiref.sync import async_to_sync
class GameConsumer(WebsocketConsumer):
def connect(self):
self.accept()
self.render()
async_to_sync(self.add_group)('render_updates_group')
controller.startTu... |
42,680,980 | How to chain two Completable in RxJava2 | <p>I have two Completable. I would like to do following scenario:
If first Completable gets to onComplete , continue with second Completable. The final results would be onComplete of second Completable.</p>
<p>This is how I do it when I have Single <strong>getUserIdAlreadySavedInDevice()</strong> and Completable <stro... | 42,684,401 | 5 | 0 | null | 2017-03-08 20:08:53.053 UTC | 13 | 2021-11-10 17:12:27.777 UTC | 2017-03-09 11:45:11.613 UTC | null | 7,045,114 | null | 2,959,120 | null | 1 | 80 | java|rx-java|rx-java2 | 42,007 | <p>You are looking for <code>andThen</code> operator.</p>
<blockquote>
<p>Returns a Completable that first runs this Completable and then the other completable.</p>
</blockquote>
<pre><code>firstCompletable
.andThen(secondCompletable)
</code></pre>
<p>In general, this operator is a "replacement" for a <code>fl... |
42,822,948 | How should I handle events in Vuex? | <p>I am used to using a global event bus to handle cross-component methods. For example:</p>
<pre><code>var bus = new Vue();
...
//Component A
bus.$emit('DoSomethingInComponentB');
...
//Component B
bus.$on('DoSomethingInComponentB', function(){ this.doSomething() })
</code></pre>
<p>However, I am building a larger p... | 42,824,182 | 3 | 0 | null | 2017-03-15 23:57:52.36 UTC | 12 | 2022-07-15 19:48:51.59 UTC | null | null | null | null | 2,779,909 | null | 1 | 36 | vue.js|vuejs2|vuex | 36,149 | <p><a href="https://vuex.vuejs.org/en" rel="nofollow noreferrer">Vuex</a> and <a href="https://v2.vuejs.org/v2/guide/components.html#Non-Parent-Child-Communication" rel="nofollow noreferrer">event bus</a> are two different things in the sense that vuex manages central state of your application while event bus is used t... |
32,133,836 | remove shadow below AppBarLayout widget android | <p>When using <code>AppBarLayout</code> widget in design support library, a shadow appears on the bottom of the toolbar. How can I remove that shadow?</p> | 32,325,432 | 10 | 0 | null | 2015-08-21 06:35:11.267 UTC | 13 | 2022-03-07 07:17:10.533 UTC | 2017-12-18 18:15:29.19 UTC | null | 2,804,761 | null | 5,219,069 | null | 1 | 113 | android|android-layout | 40,289 | <p>Simply use <code>app:elevation="0dp"</code> inside "AppBarLayout" to remove the shadow. It has always worked for me. Hope it works for you.</p> |
28,099,441 | Define a recursive function within a function in Go | <p>I am trying to define a recursive function within another function in Go but I am struggling to get the right syntax. I am looking for something like this:</p>
<pre><code>func Function1(n) int {
a := 10
Function2 := func(m int) int {
if m <= a {
return a
}
return Function2(m-1)
... | 28,099,510 | 2 | 0 | null | 2015-01-22 21:58:10.393 UTC | 5 | 2018-10-05 19:00:26.767 UTC | 2018-01-14 07:20:12.317 UTC | null | 1,705,598 | null | 2,641,547 | null | 1 | 29 | function|recursion|go | 7,945 | <p>You can't access <code>Function2</code> inside of it if it is in the line where you declare it. The reason is that you're not referring to a <em>function</em> but to a <em>variable</em> (whose type is a function) and it will be accessible only after the declaration.</p>
<p>Quoting from <a href="https://golang.org/r... |
28,089,942 | Difference between "fill" and "expand" options for tkinter pack method | <p>I know this is a too trivial question, but I am new to python, and I have just started using the <code>tkinter</code> module. I have actually looked up about it everywhere, and I am unable to find the satisfactory answer. I found the following: </p>
<blockquote>
<p><code>fill</code> option: it determines whether... | 28,090,362 | 3 | 0 | null | 2015-01-22 13:26:25.837 UTC | 20 | 2022-02-07 23:12:22.173 UTC | 2015-01-22 14:46:48.47 UTC | null | 3,924,118 | null | 4,233,030 | null | 1 | 57 | python|tkinter | 100,978 | <p>From <a href="https://web.archive.org/web/20201112024617/http://effbot.org/tkinterbook/pack.htm" rel="nofollow noreferrer">effbot</a>:</p>
<blockquote>
<p>The <strong>fill</strong> option tells the manager that the widget wants fill the entire space assigned to it. The value controls how to fill the space; <strong>B... |
22,579,666 | error: out-of-line definition of 'test' does not match any declaration in 'B<dim>' | <p>I have a small problem that is killing me!! I don't know what seems to be wrong with the below code. I should be able to implement the function that is inherited from the super class, shouldn't I? but I get <code>error: out-of-line definition of 'test' does not match any declaration in 'B<dim>'</code> </p>
<p... | 22,579,699 | 2 | 0 | null | 2014-03-22 15:35:52.207 UTC | 3 | 2020-07-20 17:38:00.167 UTC | null | null | null | null | 3,449,968 | null | 1 | 16 | c++|macos|templates|inheritance|virtual | 80,912 | <p>Try </p>
<pre><code>template <int dim>
class B : public A <dim>
{
public:
virtual double test () const;
};
// Function definition
template <int dim>
double B<dim>::test () const
{
return 0;
}
</code></pre>
<p>You still need to <em>define</em> the function declared the class declarat... |
46,441,893 | connected component labeling in python | <p>How to implement connected component labeling in python with open cv?
This is an image example:</p>
<p><img src="https://i.stack.imgur.com/eGaIy.jpg" /></p>
<p>I need connected component labeling to separate objects on a black and white image.</p> | 46,442,154 | 2 | 0 | null | 2017-09-27 07:28:39.49 UTC | 27 | 2020-02-18 20:56:01.697 UTC | 2018-03-13 21:15:29.463 UTC | null | 3,419,103 | null | 8,681,147 | null | 1 | 26 | python-2.7|opencv|image-processing|connected-components | 76,560 | <p>The <a href="http://docs.opencv.org/3.0-beta/modules/imgproc/doc/structural_analysis_and_shape_descriptors.html#connectedcomponents" rel="noreferrer">OpenCV 3.0 docs for <code>connectedComponents()</code></a> don't mention Python but it actually is implemented. See for e.g. <a href="https://stackoverflow.com/questio... |
34,220,532 | How to assign a value to a TensorFlow variable? | <p>I am trying to assign a new value to a tensorflow variable in python.</p>
<pre><code>import tensorflow as tf
import numpy as np
x = tf.Variable(0)
init = tf.initialize_all_variables()
sess = tf.InteractiveSession()
sess.run(init)
print(x.eval())
x.assign(1)
print(x.eval())
</code></pre>
<p>But the output I get ... | 34,220,750 | 8 | 0 | null | 2015-12-11 09:51:46.307 UTC | 20 | 2019-12-13 18:33:53.317 UTC | 2018-01-29 11:24:11.747 UTC | null | 5,096,199 | null | 3,537,687 | null | 1 | 87 | python|tensorflow|neural-network|deep-learning|variable-assignment | 112,147 | <p>In TF1, the statement <a href="https://www.tensorflow.org/api_docs/python/tf/compat/v1/Variable#assign" rel="noreferrer"><code>x.assign(1)</code></a> does not actually assign the value <code>1</code> to <code>x</code>, but rather creates a <a href="https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/Operati... |
47,077,210 | Using styled-components with props and TypeScript | <p>I'm trying to integrate TypeScript into our project and so far I stumbled upon one issue with <a href="https://www.styled-components.com/" rel="noreferrer">styled-components</a> library.</p>
<p>Consider this component</p>
<pre><code>import * as React from "react";
import styled from "styled-components... | 47,222,056 | 8 | 0 | null | 2017-11-02 14:02:06.36 UTC | 21 | 2022-03-31 12:58:45.703 UTC | 2021-08-21 08:16:18.96 UTC | null | 6,904,888 | null | 911,930 | null | 1 | 79 | javascript|reactjs|typescript|jsx|styled-components | 99,201 | <p><strong>This answer is outdated, the most current answer is here: <a href="https://stackoverflow.com/a/52045733/1053772">https://stackoverflow.com/a/52045733/1053772</a></strong></p>
<p>As far as I can tell there is no official way (yet?) to do this, but you can solve it with a bit of trickery. First, create a <cod... |
32,429,076 | Develop and Debug Atom Package | <p>I have just began working on <a href="https://atom.io/docs/">Atom.io</a> Package development, and based on <a href="https://atom.io/docs/v1.0.11/hacking-atom-package-word-count">this tutorial</a>, have learnt from how to create package development skelton file to how to publish your package.</p>
<p>However, I do no... | 32,435,735 | 2 | 0 | null | 2015-09-06 22:57:05.447 UTC | 16 | 2017-03-26 17:37:57.98 UTC | null | null | null | null | 2,775,013 | null | 1 | 31 | atom-editor | 8,250 | <p>When working on packages locally, here's the recommended workflow:</p>
<ul>
<li>Clone your package from GitHub using <code>apm develop <package-name></code>. This will clone the package's repo to your local <code>~/.atom/dev/packages/<package-name></code></li>
<li><code>cd</code> into this directory</li... |
31,595,750 | How to use Cordova-plugin-purchase to do in-app purchase with ionic framework? | <p>I have been struggling with the implementation of in-app purchase for both iOS and Andriod in ionic. I came across tutorials regarding both the <a href="https://github.com/j3k0/cordova-plugin-purchase">cordova-plugin-purchase</a> and the <a href="https://github.com/AlexDisler/ng-storekit">ng-storekit</a>, but seems ... | 35,741,779 | 2 | 0 | null | 2015-07-23 18:49:19.587 UTC | 8 | 2016-05-13 05:09:39.427 UTC | 2015-07-23 19:03:29.643 UTC | null | 4,198,060 | null | 4,198,060 | null | 1 | 16 | cordova|in-app-purchase|ionic-framework | 6,624 | <p>Maybe this brand new plugin (iOS/Android supported) could help you:</p>
<p><a href="https://github.com/AlexDisler/cordova-plugin-inapppurchase">https://github.com/AlexDisler/cordova-plugin-inapppurchase</a></p>
<p>The author has written a recent post on his blog:</p>
<p><a href="https://alexdisler.com/2016/02/29/... |
6,254,447 | Using pHash from .NET | <p>I am trying to use <a href="http://phash.org" rel="nofollow noreferrer">pHash</a> from .NET</p>
<p>First thing I tried was to register (regsvr32) <code>phash.dll</code> and asked <a href="https://stackoverflow.com/questions/6233343/how-to-add-unmanaged-dll-to-show-up-in-add-references-com-tab">here</a>
Second of al... | 6,268,367 | 1 | 9 | null | 2011-06-06 15:36:43.163 UTC | 9 | 2013-03-25 14:48:02.917 UTC | 2017-05-23 12:02:27.96 UTC | null | -1 | null | 4,035 | null | 1 | 9 | c#|.net|c++|dllimport | 6,268 | <p>The current Windows source code project (as of 7/2011) on <a href="http://msdn.microsoft.com/en-us/library/c1h23y6c%28v=vs.71%29.aspx" rel="nofollow noreferrer">phash.org</a> does not seem to export the ph_ API calls from the DLL. You will need to add these yourself by __declspec(dllexport) at the beginning of the l... |
5,941,583 | UIDatePicker in UIActionSheet on iPad | <p>In the iPhone version of my app, I have a <code>UIDatePicker</code> in a <code>UIActionSheet</code>. It appears correctly. I am now setting up the iPad version of the app, and the same <code>UIActionSheet</code> when viewed on the iPad appears as a blank blank box. </p>
<p>Here is the code I am using:</p>
<pre><co... | 5,952,179 | 1 | 5 | null | 2011-05-09 19:34:53.763 UTC | 9 | 2011-12-13 14:31:53.107 UTC | 2011-05-09 22:02:36.933 UTC | null | 300,129 | null | 300,129 | null | 1 | 15 | iphone|ipad|uidatepicker|uiactionsheet | 11,414 | <p>I ended up creating a separate segment of code for the iPad Popover:</p>
<pre><code>//build our custom popover view
UIViewController* popoverContent = [[UIViewController alloc] init];
UIView* popoverView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 344)];
popoverView.backgroundColor = [UIColor whiteColor];... |
5,636,580 | Force gfortran to stop program at first NaN | <p>To debug my application (fortran 90) I want to turn all NaNs to signalling NaN. </p>
<p>With default settings my program works without any signals and just outputs NaN data in file. I want find the point, where NaN is generated. If I can recompile program with signalling NaN, I will get an <code>SIGFPE</code> signa... | 5,636,881 | 1 | 0 | null | 2011-04-12 14:09:53.797 UTC | 9 | 2015-11-03 12:08:00.973 UTC | 2013-10-29 14:46:58.443 UTC | null | 196,561 | null | 196,561 | null | 1 | 18 | gcc|fortran|nan|gfortran | 11,592 | <p>The flag you're looking for is <code>-ffpe-trap=invalid</code>; I usually add <code>,zero,overflow</code> to check for related floating point exceptions. </p>
<pre><code>program nantest
real :: a, b, c
a = 1.
b = 2.
c = a/b
print *, c,a,b
a = 0.
b = 0.
c = a/b
print *, c,a,... |
25,815,032 | Finding Overlaps between interval sets / Efficient Overlap Joins | <h2>Overview:</h2>
<p>I need to join two tables:</p>
<p><code>ref</code> contains the time intervals (from <code>t1</code> to <code>t2</code>) along with an <code>id</code> for each interval and a <code>space</code> where this interval occurs.</p>
<p><code>map</code> contains time intervals (<code>t1</code> to <cod... | 25,818,856 | 1 | 0 | null | 2014-09-12 18:59:39.76 UTC | 10 | 2015-10-03 18:08:23.437 UTC | 2014-09-13 01:41:37.47 UTC | null | 3,566,491 | null | 3,566,491 | null | 1 | 25 | r|data.table|dplyr | 6,974 | <p>Ha, nice timing :). Just a few days back, overlap joins (or interval joins) was implemented. in data.table The function is <code>foverlaps()</code> and is available from the <a href="https://github.com/Rdatatable/data.table">github project page</a>. Make sure to have a look at <code>?foverlaps</code>.</p>
<pre><cod... |
25,546,417 | Where can I download mysql jdbc jar from? | <p>I installed and tried to use jasper report studio. The first brick wall you hit when you try to create a datasource for your reports is </p>
<pre><code>java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
</code></pre>
<p>The forums say I need to install a jar on the classpath. I have no idea how to do this, so... | 25,548,704 | 3 | 0 | null | 2014-08-28 10:21:25.743 UTC | 7 | 2017-09-06 06:41:31.127 UTC | 2014-08-28 19:11:12.413 UTC | null | 466,862 | null | 1,072,187 | null | 1 | 58 | mysql|jdbc|jar | 187,229 | <p>Go to <a href="http://dev.mysql.com/downloads/connector/j" rel="noreferrer">http://dev.mysql.com/downloads/connector/j</a> and with in the dropdown select "Platform Independent" then it will show you the options to download tar.gz file or zip file.</p>
<p>Download zip file and extract it, with in that you will find... |
28,478,945 | React.js can't change checkbox state | <p>I created this simple TODO list, and when I want to check the checkbox I can't.</p>
<pre><code>import React from 'react';
const TodoItem = React.createClass({
render() {
return (
<div>
<span>{this.props.todo}</span>
<input type="checkbox" checked={this.props.done}... | 28,479,290 | 3 | 0 | null | 2015-02-12 13:40:40.39 UTC | 2 | 2020-02-03 17:43:13.84 UTC | 2016-04-14 00:03:00.357 UTC | null | 140,448 | null | 4,159,572 | null | 1 | 39 | javascript|reactjs | 73,174 | <p>When you haven't specified an <code>onChange</code> handler on your inputs React will render the input field as read-only.</p>
<pre><code>getInitialState() {
return {
done: false
};
}
</code></pre>
<p>and</p>
<pre><code><input type="checkbox" checked={this.state.done || this.props.done } onChan... |
52,628,473 | How to add multiple policies in action using Authorize attribute using identity 2.0? | <p>I am identity 2.1.2 with asp.net core 2.0, I have application claim table which have claim type and claim value
i.e Assets ,Assets Edit,Assets, Assets View, where claim types are same with distinct claim values and I am creating policies using claim type name which is working fine for me no clue about how to add mu... | 52,639,938 | 3 | 1 | null | 2018-10-03 13:44:28.987 UTC | 11 | 2021-02-27 13:21:53.997 UTC | 2020-08-26 20:43:27.49 UTC | null | 6,844,481 | null | 4,046,078 | null | 1 | 14 | c#|asp.net-core|claims-based-identity | 13,314 | <p>For multiple policys, you could implement your own <code>AuthorizeAttribute</code>. </p>
<ul>
<li><p><code>MultiplePolicysAuthorizeAttribute</code> </p>
<pre><code>public class MultiplePolicysAuthorizeAttribute : TypeFilterAttribute
{
public MultiplePolicysAuthorizeAttribute(string po... |
49,104,247 | In Redux, where does the state actually get stored? | <p>I searched a bit about this question but found very vague answers. In redux, we know that the state is stored as an object. But where is this state stored actually? Is it somehow saved as a file which can be accessed by us later on? What I know is that it does not store it in a cookie format or in the browser's loca... | 49,104,335 | 2 | 0 | null | 2018-03-05 05:52:31.103 UTC | 7 | 2020-11-19 10:59:34.98 UTC | 2018-04-26 02:00:56.373 UTC | null | 3,928,341 | null | 5,864,426 | null | 1 | 36 | javascript|reactjs|redux | 17,832 | <p>The state in Redux is stored in memory, <a href="https://github.com/reduxjs/redux/blob/master/src/createStore.ts#L61" rel="noreferrer">in the Redux store</a>.</p>
<p>This means that, if you refresh the page, that state gets wiped out.</p>
<p>You can imagine that store looking something like this:</p>
<pre><code>func... |
526,890 | Best OpenId API for ASP.NET MVC application | <p>I am developing an ASP.NET MVC application and I want to use OpenId.</p>
<p>What is the best option? </p>
<ul>
<li>DotNetOpenId</li>
<li>RPX</li>
<li>Other???</li>
</ul>
<p>Does anyone know what StackOverflow uses? Is the Login UI custom-developed, or provided by an API/service?</p> | 526,897 | 2 | 3 | null | 2009-02-09 01:35:11.203 UTC | 36 | 2010-12-20 04:06:20.387 UTC | 2010-08-02 13:39:17.5 UTC | null | 24,874 | Jedi Master Spooky | 1,154 | null | 1 | 46 | asp.net-mvc|openid | 7,567 | <p>We use the excellent DotNetOpenId library here on Stack Overflow:</p>
<blockquote>
<p><a href="http://code.google.com/p/dotnetopenid/" rel="noreferrer">http://code.google.com/p/dotnetopenid/</a></p>
</blockquote>
<p>now moved to:</p>
<blockquote>
<p><a href="http://www.dotnetopenauth.net/" rel="noreferrer">ht... |
3,094,126 | Best Practice / Standard for storing an Address in a SQL Database | <p>I am wondering if there is some sort of "standard" for storing US addresses in a database? It seems this is a common task, and there should be some sort of a standard. </p>
<p>What I am looking for is a <strong>specific</strong> schema of how the database tables should work and interact, already in third normal for... | 3,433,390 | 6 | 2 | null | 2010-06-22 14:30:12.843 UTC | 13 | 2021-12-09 13:00:02.407 UTC | 2010-08-08 08:55:22.99 UTC | null | 233,999 | null | 233,999 | null | 1 | 23 | mysql|street-address | 47,786 | <p>For international addresses, refer to the <a href="https://www.upu.int/en-us" rel="nofollow noreferrer">Universal Postal Union</a>'s <a href="https://www.upu.int/en/Postal-Solutions/Programmes-Services/Addressing-Solutions#postal-addressing-systems-(pas)" rel="nofollow noreferrer">Postal Addressing Systems database<... |
2,842,540 | Is there a brief syntax for executing a block n times in Scala? | <p>I find myself writing code like this when I want to repeat some execution n times:</p>
<pre><code>for (i <- 1 to n) { doSomething() }
</code></pre>
<p>I'm looking for a shorter syntax like this:</p>
<pre><code>n.times(doSomething())
</code></pre>
<p>Does something like this exist in Scala already?</p>
<p><st... | 2,842,640 | 6 | 5 | null | 2010-05-16 03:56:36.397 UTC | 12 | 2019-10-28 08:02:12.25 UTC | 2010-05-16 15:40:33.833 UTC | null | 23,572 | null | 23,572 | null | 1 | 56 | scala | 26,650 | <p>You could easily define one using Pimp My Library pattern.</p>
<pre><code>scala> implicit def intWithTimes(n: Int) = new {
| def times(f: => Unit) = 1 to n foreach {_ => f}
| }
intWithTimes: (n: Int)java.lang.Object{def times(f: => Unit): Unit}
scala> 5 times {
| println("... |
2,972,077 | Multiline text as the button label in Windows Forms | <p>Basically, I am creating a button in an oval shape. But my button label is too long to display in one line, so I wanted to split it into multiple lines so that the oval button looks good.</p>
<p>How do I enable word wrap on a button?</p> | 2,972,371 | 7 | 0 | null | 2010-06-04 06:57:52.323 UTC | 2 | 2018-07-30 10:27:24.603 UTC | 2014-01-21 12:33:26.163 UTC | null | 63,550 | null | 321,959 | null | 1 | 15 | c#|winforms|button|word-wrap|shapes | 58,253 | <p>Set the label text on form load and add Environment.Newline as the newline string, like this:</p>
<pre><code>btnOK.Text = "OK" + Environment.NewLine + "true";
</code></pre> |
2,692,340 | MySQL - How to count all rows per table in one query | <p>Is there a way to query the DB to find out how many rows there are in all the tables?</p>
<p>i.e.</p>
<pre><code>table1 1234
table2 222
table3 7888
</code></pre>
<p>Hope you can advise</p> | 2,692,395 | 9 | 1 | null | 2010-04-22 15:50:10.72 UTC | 30 | 2020-09-22 11:21:01.65 UTC | 2017-08-30 14:02:20.557 UTC | null | 4,519,059 | null | 99,877 | null | 1 | 73 | sql|mysql|count | 72,229 | <pre><code>SELECT
TABLE_NAME,
TABLE_ROWS
FROM
`information_schema`.`tables`
WHERE
`table_schema` = 'YOUR_DB_NAME';
</code></pre> |
2,519,933 | GIT clone repo across local file system in windows | <p>I am a complete Noob when it comes to GIT. I have been just taking my first steps over the last few days. I setup a repo on my laptop, pulled down the Trunk from an SVN project (had some issues with branches, not got them working), but all seems ok there.</p>
<p>I now want to be able to pull or push from the lapt... | 2,520,121 | 9 | 6 | null | 2010-03-25 22:34:47.117 UTC | 90 | 2019-11-22 12:54:01.607 UTC | 2014-11-09 09:16:38.583 UTC | null | 1,143,013 | null | 6,486 | null | 1 | 208 | windows|git|git-clone | 207,142 | <p>You can specify the remote’s URL by applying the <a href="http://msdn.microsoft.com/en-us/library/gg465305.aspx" rel="noreferrer" title="Universal Naming Convention">UNC</a> path to the file protocol. This requires you to use four slashes:</p>
<pre><code>git clone file:////<host>/<share>/<path>
</... |
3,100,319 | Event on a disabled input | <p>Apparently a disabled <code><input></code> is not handled by any event</p>
<p>Is there a way to work around this issue ?</p>
<pre><code><input type="text" disabled="disabled" name="test" value="test" />
</code></pre>
<pre class="lang-javascript prettyprint-override"><code>$(':input').click(function ()... | 3,100,395 | 12 | 3 | null | 2010-06-23 09:09:26.457 UTC | 54 | 2021-10-30 00:12:01.73 UTC | 2019-11-10 03:44:08.317 UTC | null | 667,810 | null | 305,189 | null | 1 | 266 | javascript|jquery|html | 281,634 | <p>Disabled elements don't fire mouse events. Most browsers will propagate an event originating from the disabled element up the DOM tree, so event handlers could be placed on container elements. However, Firefox doesn't exhibit this behaviour, it just does nothing at all when you click on a disabled element.</p>
<p... |
2,801,882 | Generating a PNG with matplotlib when DISPLAY is undefined | <p>I am trying to use networkx with Python. When I run this program it get this error. Is there anything missing?</p>
<pre><code>#!/usr/bin/env python
import networkx as nx
import matplotlib
import matplotlib.pyplot
import matplotlib.pyplot as plt
G=nx.Graph()
G.add_node(1)
G.add_nodes_from([2,3,4,5,6,7,8,9,10])
#nx... | 3,054,314 | 13 | 3 | null | 2010-05-10 10:22:33.093 UTC | 113 | 2022-03-29 17:30:52.143 UTC | 2016-08-08 23:37:26.403 UTC | null | 2,966,723 | null | 3,836,677 | null | 1 | 331 | python|matplotlib|graph | 180,462 | <p>The main problem is that (on your system) matplotlib chooses an x-using backend by default. I just had the same problem on one of my servers. The solution for me was to add the following code in a place that gets read <em>before</em> any other pylab/matplotlib/<strong>pyplot</strong> import:</p>
<pre><code>import ... |
25,306,519 | Shiny saving URL state subpages and tabs | <p>I would like to have a shiny website that keeps the dynamic choices in the URL as output, so you can copy and share the URL.
I took this code as an example:
<a href="https://gist.github.com/amackey/6841cf03e54d021175f0" rel="noreferrer">https://gist.github.com/amackey/6841cf03e54d021175f0</a></p>
<p>And modified it... | 25,385,474 | 2 | 0 | null | 2014-08-14 11:05:24.263 UTC | 10 | 2016-09-15 12:41:54.513 UTC | 2014-08-19 08:38:59.427 UTC | null | 719,016 | null | 719,016 | null | 1 | 21 | r|shiny | 6,142 | <h1>UPDATE</h1>
<p>Shiny .14 now available on CRAN supports saving app state in a URL. See <a href="http://shiny.rstudio.com/articles/bookmarking-state.html" rel="noreferrer">this article</a></p>
<hr>
<p>This answer is a more in-depth answer than my first that uses the entire sample code provided by OP. I've decided... |
45,625,844 | Is it advisable to use LinearLayout inside ConstraintLayout in Android? | <p>I am new to <code>ConstraintLayout</code> in Android and newbie to Android too. I have a question. Is it advisable to use <code>LinearLayout</code> inside <code>ConstraintLayout</code>? For example:</p>
<pre><code><?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns... | 45,626,000 | 2 | 1 | null | 2017-08-11 02:03:34.873 UTC | 2 | 2022-09-18 08:37:23.013 UTC | 2017-11-27 17:05:30.98 UTC | null | 1,708,390 | null | 357,166 | null | 1 | 38 | android|android-constraintlayout | 27,657 | <blockquote>
<p>Is it advisable to use LinearLayout inside ConstraintLayout?</p>
</blockquote>
<p>No... usually.</p>
<p>In general, the idea behind <code>ConstraintLayout</code> is that it allows you to position all of your children without having to nest any other <code>ViewGroup</code>s inside the <code>Constrain... |
10,365,523 | Adding a page loader using jQuery | <p>I need a little help. I do not know where to start. I need to add a page loader to my website. I first submit a form it then uses SimpleXML to call an exterior XML Sheet with expedia... It takes a minute to load, so I would like to add the image loader to this page. But how do I go about doing this? I have looked on... | 10,365,835 | 3 | 0 | null | 2012-04-28 16:45:09.497 UTC | 4 | 2020-06-22 09:36:19.027 UTC | 2020-06-22 09:36:19.027 UTC | null | 4,217,744 | null | 1,094,309 | null | 1 | 4 | jquery|pageload|page-loading-message | 64,874 | <p>This has many solutions, but a simple one is to:</p>
<p>1- Create an overlay DIV with your loader stuff and prepend to BODY;<br>
2- Add an event listener for <code>window.load</code> or <code>document.ready</code> event that hides this DIV.</p>
<pre><code>// On the first line inside BODY tag
<script type="text/... |
10,543,325 | Can't connect to server on SQL Server Management Studio 2008 | <p>When I open the Management Studio and try to connect using the [PCNAME]/SQLEXPRESS it shows this error:</p>
<blockquote>
<p>"Cannot connect to [PCNAME]\SQLEXPRESS"</p>
</blockquote>
<hr>
<p>ADDITIONAL INFORMATION:</p>
<p>Error Message:</p>
<blockquote>
<p>A network-related or instance-specific error occurre... | 10,543,353 | 3 | 0 | null | 2012-05-10 23:05:01.877 UTC | 2 | 2021-05-19 20:43:45.147 UTC | 2017-01-14 21:31:16.91 UTC | null | 13,302 | null | 1,200,185 | null | 1 | 8 | sql-server-2008|sql-server-2008-express | 38,680 | <p>Make sure SQL Server (SQL Express) service is running.</p>
<p>in powershell prompt type:</p>
<pre><code>Get-Service -Name 'MSSQL$SQLEXPRESS'
</code></pre>
<p>service "status" property should be reported as "Running"</p>
<p>If it is not, type (you need to be in elevated prompt, i.e. "Run as Administrator"):</p>
... |
5,833,642 | python: APNs SSLError | <p>I am trying to send push notifications to iPhone via python as described <a href="http://leenux.org.uk/2009/07/14/push-on-the-iphone/" rel="noreferrer">here</a> but I am getting the following error:</p>
<pre><code>Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/home/o... | 5,855,800 | 2 | 2 | null | 2011-04-29 14:52:15.417 UTC | 16 | 2014-03-19 13:41:55.157 UTC | 2011-04-29 15:37:13.867 UTC | null | 287,923 | null | 287,923 | null | 1 | 18 | python|ssl|apple-push-notifications | 12,462 | <p>Here is how I get it working:</p>
<p>From within KeyChain export the following both in <code>p12</code> format, without giving password:</p>
<ul>
<li><code>Apple Development Push Services</code> certificate as <code>cert.p12</code></li>
<li><code>primary key</code> under <code>Apple Development Push Services</code... |
6,084,743 | Rails ActiveRecord: building queries dynamically | <p>I'm trying to put together a series of classes that can use ActiveRecord to create and execute complex queries dynamically. I feel very comfortable with the whole practice of doing:</p>
<pre><code>MyModel.select("id, name, floober").join(:creator).where(:is_active => true)
</code></pre>
<p>What I'm struggling w... | 6,085,124 | 2 | 0 | null | 2011-05-21 22:07:00.7 UTC | 9 | 2012-12-14 13:34:29.4 UTC | null | null | null | null | 483,040 | null | 1 | 29 | ruby-on-rails|ruby-on-rails-3|activerecord | 16,279 | <p>I think I figured it out. I was fairly off base on my understanding of the AR query methods. It turns out that ActiveRecord doesn't actually execute the query until you actually try to use the results. As a result it's possible to do things like:</p>
<pre><code>model_query = MyModel.select("column12, column32")
mod... |
31,343,299 | MySQL Improperly Configured Reason: unsafe use of relative path | <p>I'm using Django, and when I run <code>python manage.py runserver</code> I receive the following error: </p>
<pre><code>ImproperlyConfigured: Error loading MySQLdb module: dlopen(/Library/Python/2.7/site-packages/_mysql.so, 2): Library not loaded: libmysqlclient.18.dylib
Referenced from: /Library/Python/2.7/site-... | 31,821,332 | 2 | 2 | null | 2015-07-10 14:26:27.13 UTC | 15 | 2016-10-22 07:26:01.883 UTC | 2017-05-23 11:47:11.08 UTC | null | -1 | null | 3,990,714 | null | 1 | 27 | python|mysql|django|dynamic-linking|osx-elcapitan | 11,881 | <p>In OS X El Capitan (10.11), Apple added <a href="https://support.apple.com/en-us/HT204899" rel="noreferrer">System Integrity Protection</a>.</p>
<p>This prevents programs in protected locations like <code>/usr</code> from calling a shared library that uses a relative reference to another shared library. In the cas... |
23,188,932 | how do I clean up my docker host machine | <p>As I create/debug a docker image/container docker seems to be leaving all sorts of artifacts on my system. (at one point there was a 48 image limit) But the last time I looked there were 20-25 images; <code>docker images</code>.</p>
<p>So the overarching questions are:</p>
<ul>
<li>how does one properly cleanup?</... | 32,464,728 | 6 | 0 | null | 2014-04-21 00:00:37.24 UTC | 18 | 2017-10-02 16:00:31.137 UTC | null | null | null | null | 99,542 | null | 1 | 30 | docker|coreos | 19,671 | <p>It can also be helpful to remove "dangling" images</p>
<p><code>docker rmi $(docker images -f "dangling=true" -q)</code></p> |
33,059,933 | package org.apache.http.client does not exist | <p>I am trying to check log in credentials , But I am getting these errors again and again , I have tried everything. I am new to android
Any kind of help will be appreciated. If there is other good way to implement same , want to know how to imply</p>
<p>Error</p>
<pre><code>Error:(19, 30) error: package org.apache... | 33,059,990 | 2 | 0 | null | 2015-10-10 23:13:17.837 UTC | 4 | 2015-10-11 01:34:25.633 UTC | null | null | null | null | 4,974,092 | null | 1 | 14 | java|android|http|android-studio | 67,779 | <p>Add that to your build.gradle:</p>
<pre><code>android {
useLibrary 'org.apache.http.legacy'
}
</code></pre>
<p>Or you use the <code>HttpURLConnection class</code> instead.</p> |
21,565,738 | Using toastr in the AngularJS way | <p>Currently, I just call <code>toastr.success('my message')</code> within a controller where required. This work fine, but it feels a bit dirty to me. </p>
<p>Is there a 'best practice' or recommended 'angularjs' way of using the <a href="https://github.com/CodeSeven/toastr">toastr.js library</a>?</p> | 21,565,779 | 1 | 0 | null | 2014-02-04 23:29:13.203 UTC | 3 | 2017-11-14 10:56:10.977 UTC | 2015-05-21 13:15:52.28 UTC | null | 2,874,896 | null | 1,248,716 | null | 1 | 29 | javascript|angularjs|toastr | 23,468 | <p>Yes. Pretty simply:</p>
<pre><code>app.factory('notificationFactory', function () {
return {
success: function (text) {
toastr.success(text,"Success");
},
error: function (text) {
toastr.error(text, "Error");
}
};
});
</code></pre>
<p>Resolve factory ... |
25,931,716 | Add new lines in VBA email | <p>I'm trying to send an email automatically through Excel, but the new line commands aren't working! I've tried <code><br/></code>, <code>vbCrLf</code> and <code>vbNewLine</code></p>
<pre><code>.HTMLbody = "Hello" & vbNewLine & "Please find attached the above invoices and backup" & vbNewLine & ... | 25,931,889 | 4 | 0 | null | 2014-09-19 10:23:54.133 UTC | 1 | 2022-02-18 13:23:02.253 UTC | null | null | null | null | 4,043,074 | null | 1 | 11 | vba|excel|excel-2007|html-email | 121,238 | <p>May be you can try this instead:
Use</p>
<pre><code>.HTMLbody = "Hello" & "<br>" & "Please find attached the above invoices and backup" & "<br>"
</code></pre>
<p>instead of vbnewline</p> |
8,944,860 | How to create an IP alias on Windows | <p>I need to create an alias for my network interface such that it can be accessed locally with either 127.0.0.1 or 33.33.33.33.</p>
<p>In *nix I would do this:</p>
<pre><code>sudo ifconfig en1 inet 33.33.33.33/32 alias
</code></pre>
<p>It appears that the <code>netsh</code> tool may be able to do the same thing. I... | 8,944,928 | 7 | 0 | null | 2012-01-20 16:46:03.273 UTC | 7 | 2022-04-28 17:52:37.4 UTC | null | null | null | null | 63,308 | null | 1 | 16 | windows|ip|netsh | 92,502 | <p>You'd be correct. Also, you can add multiple addresses without touching the command line using the advanced interface properties screen.</p>
<pre><code>netsh interface ip add address "Local Area Connection" 33.33.33.33 255.255.255.255
</code></pre>
<p><img src="https://i.stack.imgur.com/nA5wA.png" alt="Windows Adv... |
8,905,662 | How to change all occurrences of a word in all files in a directory | <p>I was in the process of creating a <code>User</code> class where one of the methods was <code>get_privileges();</code>.</p>
<p>After hours of slamming my head into the keyboard, I finally discovered that the previous coder who I inherited this particular database spelled the word "<strong>privileges</strong>" as "... | 8,905,787 | 3 | 0 | null | 2012-01-18 05:37:27.723 UTC | 15 | 2020-12-15 23:16:04.947 UTC | 2018-07-16 23:25:38.157 UTC | null | 5,377,495 | null | 714,178 | null | 1 | 42 | linux|ubuntu|replace | 49,352 | <p>A variation that takes into account subdirectories (untested):</p>
<pre><code>find /var/www -type f -exec sed -i 's/privelages/privileges/g' {} \;
</code></pre>
<p>This will <code>find</code> all files (not directories, specified by <code>-type f</code>) under <code>/var/www</code>, and perform a <code>sed</code> ... |
55,269,763 | Return a Pandas DataFrame as a data_table from a callback with Plotly Dash for Python | <p>I would like to read a .csv file and return a groupby function as a callback to be displayed as a simple data table with "dash_table" library. @Lawliet's helpful answer shows how to do that with "dash_table_experiments" library. Here is where I’m stuck:</p>
<pre><code>import pandas as pd
import dash
import dash_cor... | 55,305,812 | 2 | 0 | null | 2019-03-20 20:37:25.623 UTC | 10 | 2019-11-26 10:25:51.38 UTC | 2019-11-26 10:25:51.38 UTC | null | 11,733,759 | null | 5,405,782 | null | 1 | 7 | python|pandas|plotly-dash | 24,538 | <p>When you are trying to register the callback <code>Output</code> component as a <code>DataTable</code>, all the required / mandatory attributes for the <code>DataTable</code> component should be updated in the callback and returned. In your code, you are updating just <code>DataTable.data</code> and not <code>DataTa... |
43,581,127 | What are the benefits of Apache Beam over Spark/Flink for batch processing? | <p><a href="https://beam.apache.org/documentation/" rel="noreferrer">Apache Beam</a> supports multiple runner backends, including Apache Spark and Flink. I'm familiar with Spark/Flink and I'm trying to see the pros/cons of Beam for batch processing.</p>
<p>Looking at the <a href="https://beam.apache.org/get-started/wo... | 43,672,838 | 3 | 0 | null | 2017-04-24 06:26:45.41 UTC | 34 | 2022-09-03 07:38:16.233 UTC | 2017-05-23 12:09:56.457 UTC | null | -1 | null | 1,804,173 | null | 1 | 107 | apache-spark|apache-flink|apache-beam | 39,373 | <p>There's a few things that Beam adds over many of the existing engines.</p>
<ul>
<li><p><strong>Unifying batch and streaming.</strong> Many systems can handle both batch and streaming, but they often do so via separate APIs. But in Beam, batch and streaming are just two points on a spectrum of latency, completeness,... |
1,270,018 | Explain the FFT to me | <p>I want to take audio PCM data and find peaks in it. Specifically, I want to return the frequency and time at which a peak occurs.</p>
<p>My understanding of this is that I have to take the PCM data and dump it into an array, setting it as the real values with the complex parts set to 0. I then take the FFT, and I... | 1,274,663 | 3 | 1 | null | 2009-08-13 04:22:41.827 UTC | 14 | 2009-12-18 19:42:59.403 UTC | null | null | null | null | 143,879 | null | 1 | 15 | audio|signals|frequency|fft | 8,329 | <p>You may actually be looking for a <em><a href="http://en.wikipedia.org/wiki/Spectrogram" rel="nofollow noreferrer">spectrogram</a></em>, which is basically an FFT of the data in a small window that's slid along the time axis. If you have software that implements this, it might save you some effort. It's what's com... |
1,043,378 | Print full call stack on printStackTrace()? | <p>I need to write small a log analyzer application to process some log files generated by a 3rd party closed source library (having custom logger inside) used in my project. </p>
<p>In case of an exception entry in the log I need to collect aggregated information about the methods involved along the stack trace from ... | 1,043,484 | 3 | 1 | null | 2009-06-25 11:19:30.19 UTC | 7 | 2013-01-03 20:13:40.227 UTC | 2009-06-25 11:50:58.783 UTC | null | 61,158 | null | 61,158 | null | 1 | 48 | java|logging|stack-trace | 64,777 | <p><a href="https://stackoverflow.com/questions/437756/how-do-i-stop-stacktraces-truncating-in-logs">here is an explanation</a> of the 'caused by' and '... <em>n</em> more' lines in the printed trace. see also the <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html#printStackTrace%28%29" rel="no... |
35,311,318 | Opening Shiny App directly in the default browser | <p>Normally the shiny app opens through the inbuilt browser within R-Studio. Is it possible to open the app directly in the web browser, say Google Chrome, without going through the R-Studio.</p> | 35,312,401 | 4 | 2 | null | 2016-02-10 09:33:01.013 UTC | 8 | 2022-08-04 14:55:43.07 UTC | 2022-08-04 14:55:43.07 UTC | null | 5,221,626 | null | 4,246,716 | null | 1 | 34 | r|shiny | 30,248 | <p>To run it using different approach to @Batanichek you can locate the executables of each of your browsers and then specify it in options which to point to, as so:</p>
<p><strong>Edit:</strong>
You can find the <code>options</code> and its arguments in the R environment (I used RStudio) e.g. <code>options(browser = ... |
28,677,638 | ngChange-like functionality for the entire form | <p>I would like to do an equivalent of <code>ng-change</code> for the entire form whenever there is a change in one of its input fields.</p>
<p>I know that since AngularJS 1.3 I have the debounce option but it applies only for a single input.</p>
<p>I'm looking for a "debounce"/"on change" functionality that will app... | 28,678,545 | 4 | 1 | null | 2015-02-23 15:49:16.983 UTC | 9 | 2018-08-10 12:26:20.83 UTC | 2017-06-02 21:03:31.47 UTC | null | 1,264,804 | null | 1,846,993 | null | 1 | 42 | angularjs|onchange|forms | 38,499 | <p>There isn't a built-in way to do <code>ng-change</code> for a form.</p>
<p>It may not even be needed, because if you organized your view model properly, then your form inputs are likely bound to a certain scope-exposed property:</p>
<pre><code>$scope.formData = {};
</code></pre>
<p>and in the View:</p>
<pre><cod... |
28,742,018 | Swift Increase font size of the UITextview,how? | <p>I am trying to add two buttons to my app to set the font size of a UITextview,and i found this function</p>
<pre><code>textview.font.increaseSize(...) //and decreaseSize(...)
</code></pre>
<p>But i don't understand what I have to put inside the parentheses,i want to increase and decrease the font size by one point... | 28,742,178 | 5 | 1 | null | 2015-02-26 12:05:50.07 UTC | 8 | 2020-06-05 07:00:30.457 UTC | null | null | null | null | 4,561,398 | null | 1 | 29 | ios|swift|fonts|uitextview | 43,923 | <p>I don't think there's a method named <code>increaseSize()</code>. May be you've find some <code>UIFont</code> or <code>UITextView</code> category.</p>
<p>The <a href="https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIFont_Class/">official <code>UIFont</code></a> class document doesn't reveal a... |
56,435,054 | Xcode Canvas for SwiftUI previews does not show up | <p>I´m trying to get the new Canvas feature from Xcode 11 running, but the Canvas won´t show up. What am I doing wrong?</p>
<p>This new Xcode feature should show a live preview of my SwiftUI views without running the app.</p>
<blockquote>
<p>When you create a custom View with SwiftUI, Xcode can display a preview of the... | 56,435,175 | 18 | 1 | null | 2019-06-03 22:00:20.857 UTC | 4 | 2022-09-16 10:12:48.603 UTC | 2022-04-21 19:02:35.423 UTC | null | 1,265,393 | null | 727,742 | null | 1 | 45 | ios|swift|xcode|swiftui|xcode11 | 35,003 | <p>You need to be on <strong>Catalina</strong> macOS version (10.15), as stated in <a href="https://developer.apple.com/tutorials/swiftui/creating-and-combining-views" rel="noreferrer">official tutorial</a></p>
<p>Be warned: Catalina doesn't support 32-bit applications, some old apps will stop working after update.</p... |
24,034,588 | Static Html Website - Bootstrap - Multi language Support | <p>To begin with I want to state that I am newbie in Web Development.</p>
<p>I was asked to build a static website (for a small - size hotel), and I bought <a href="http://themeforest.net/item/sunshine-responsive-hotel-template/5635208?WT.ac=search_item&WT.seg_1=search_item&WT.z_author=aveothemes">this</a> res... | 24,035,422 | 7 | 0 | null | 2014-06-04 10:07:35.027 UTC | 19 | 2021-09-27 05:46:47.903 UTC | 2015-12-19 03:54:55.903 UTC | null | 1,045,902 | null | 2,254,704 | null | 1 | 30 | javascript|html|css|twitter-bootstrap-3|multilingual | 66,184 | <p>You can do this within a single file without using any server-side programming languages. You should check out <a href="http://i18next.com">i18next</a> for a proper <strong>javascript solution</strong>. </p>
<p>You can also use pure <strong>CSS</strong> to translate a homepage. Try something like </p>
<pre><code>.... |
42,889,699 | Smooth drawing with Apple Pencil | <p>I am developing a diagraming app for Apple Pencil using Qt-5.8/PyQt5 and am trying to get the pencil strokes as smooth as some of the other apps that I am seeing, namely Notability and PDF Expert. I patched Qt-5.8 to provide fast access to the floating-point coalesced and predicted UITouch data provided by Apple and... | 42,891,040 | 2 | 1 | null | 2017-03-19 17:25:31.513 UTC | 9 | 2019-08-08 10:52:08.993 UTC | 2017-03-19 19:26:23.937 UTC | null | 1,271,826 | null | 414,605 | null | 1 | 2 | ios|qt|uikit | 2,756 | <p>Note taking apps tend to actually store and paint the drawings as vectors, which is why they are smooth. It also enables several cool features, like being able to select and move text around, change its color and style, it is also very efficient for storage and can be zoomed in or out without loss of resolution, com... |
42,952,979 | go version command shows old version number after update to 1.8 | <p>Pretty much the title. I downloaded/installed Go 1.8 for OS X, but when I go</p>
<pre><code>$ go version
go version go1.7.5 darwin/amd64
</code></pre>
<p>My .bashrc look like the following</p>
<pre><code># some exports omitted
NPM_PACKAGES=/Users/<me>/.npm-packages
NODE_PATH="$NPM_PACKAGES/lib/node_modules... | 42,953,523 | 6 | 2 | null | 2017-03-22 13:24:52.82 UTC | 9 | 2022-05-13 10:39:01.25 UTC | null | null | null | null | 1,400,741 | null | 1 | 46 | macos|go|upgrade | 88,719 | <p>You obviously have an old version of Go installed, else you couldn't see <code>go version go1.7.5 darwin/amd64</code> as the output of <code>go version</code>.</p>
<p>IDEs might have more advanced method of detecting Go installations other that simply scanning <code>PATH</code> and <code>GOROOT</code> (and that's w... |
36,200,749 | How do you add more property values to a custom object | <p>If I do this</p>
<pre><code>$account = New-Object -TypeName psobject -Property @{User="Jimbo"; Password="1234"}
</code></pre>
<p>How do I add <strong>additional</strong> User and Password values to <code>$account</code> without overwriting the existing one?</p>
<p>I cannot pre-populate <code>$account</code> from ... | 36,200,906 | 2 | 2 | null | 2016-03-24 12:57:02.983 UTC | 4 | 2018-06-11 08:06:08.543 UTC | 2016-03-24 13:24:32.373 UTC | null | 1,630,171 | null | 5,233,104 | null | 1 | 18 | powershell|object | 54,666 | <p>If you want to use <code>$account</code> to store user + pwd credentials, you should declare it as an <code>array</code> and add items when you want:</p>
<pre><code>$account = @()
$account += New-Object -TypeName psobject -Property @{User="Jimbo"; Password="1234"}
$account += New-Object -TypeName psobject -Property... |
5,739,140 | MediaScannerConnection produces android.app.ServiceConnectionLeaked | <p>I'm using the MediaScannerConnection example code from the <a href="http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/content/ExternalStorage.html" rel="nofollow noreferrer">API Demos</a></p>
<p>The snippet I'm using is:</p>
<pre><code>MediaScannerConnection.scanFile(
context... | 12,821,924 | 3 | 3 | null | 2011-04-21 03:22:30.08 UTC | 6 | 2019-11-07 09:06:22.1 UTC | 2019-11-07 08:54:57.333 UTC | null | 63,550 | null | 341,390 | null | 1 | 29 | android|sample | 7,104 | <p>I noticed the same kind of error message using the code snippet provided with the documentation of <a href="http://developer.android.com/reference/android/os/Environment.html#getExternalStoragePublicDirectory%28java.lang.String%29" rel="nofollow noreferrer">Environment.getExternalStoragePublicDirectory</a>.</p>
<p>... |
5,832,208 | WPF Attached Property Data Binding | <p>I try to use binding with an attached property. But can't get it working.</p>
<pre><code>public class Attached
{
public static DependencyProperty TestProperty =
DependencyProperty.RegisterAttached("TestProperty", typeof(bool), typeof(Attached),
new FrameworkPropertyMetadata(false, FrameworkPrope... | 5,832,247 | 3 | 0 | null | 2011-04-29 12:45:30.63 UTC | 21 | 2019-01-10 07:32:33.317 UTC | 2018-11-13 18:34:40.78 UTC | null | 1,644,522 | null | 613,320 | null | 1 | 80 | wpf|xaml|binding|attached-properties | 43,253 | <p>Believe it or not, just add <code>Path=</code> and use parenthesis when binding to an attached property:</p>
<pre><code>IsChecked="{Binding Path=(local:Attached.Test), Mode=TwoWay, RelativeSource={RelativeSource Self}}"
</code></pre>
<p>In addition, your call to <code>RegisterAttached</code> should pass in "Test" ... |
2,200,250 | How to "automatically" remove unused units from uses clause? | <p>Does anyone know about a utility, that can automatically detect and remove unrequired units from the <code>uses</code> clause? </p>
<p>Preferably it .. </p>
<ul>
<li>can be run against a unit and/or a project</li>
<li>is free and works with Delphi 2010</li>
</ul>
<p>Thanks in advance.</p> | 2,200,324 | 2 | 3 | null | 2010-02-04 14:16:02.137 UTC | 13 | 2019-12-13 08:15:41.843 UTC | 2018-10-25 17:09:36.36 UTC | null | 9,818,506 | null | 266,256 | null | 1 | 27 | delphi|delphi-2010 | 12,244 | <p>Try using the "Uses Unit Cleaner" Wizard from <a href="http://www.cnpack.org/index.php?lang=en" rel="nofollow noreferrer">CnPack</a> you can download from <a href="http://www.cnpack.org/showdetail.php?id=669&lang=en" rel="nofollow noreferrer">here</a></p>
<p><a href="https://i.stack.imgur.com/fXzV7.png" rel="no... |
1,495,636 | Can I have an Action<> or Func<> with an out param? | <p>I have a method with an <code>out</code> parameter, and I'd like to point an <code>Action</code> or <code>Func</code> (or other kind of delegate) at it.</p>
<p>This works fine:</p>
<pre><code>static void Func(int a, int b) { }
Action<int,int> action = Func;
</code></pre>
<p>However this doesn't</p>
<pre><c... | 1,495,657 | 2 | 1 | null | 2009-09-30 00:47:24.247 UTC | 6 | 2013-01-23 17:51:51.167 UTC | null | null | null | null | 234 | null | 1 | 40 | c#|delegates | 21,101 | <p>Action and Func specifically do not take out or ref parameters. However, they are just delegates.</p>
<p>You can make a custom delegate type that does take an out parameter, and use it, though.</p>
<p>For example, the following works:</p>
<pre><code>class Program
{
static void OutFunc(out int a, out int b) {... |
1,655,361 | how to clone an old git-commit (and some more questions about git) | <p>I have a git-repository of my project with about 20 commits. I know how to clone the actual commit with <code>git clone</code>, </p>
<ul>
<li>but how can I "clone" an old commit? </li>
<li>is there a really good git-GUI (imho <code>qgit</code> is not a good GUI)? </li>
<li>what exactly are "branches"?</li>
<li>w... | 1,655,666 | 2 | 0 | null | 2009-10-31 19:32:05.96 UTC | 32 | 2016-02-26 13:45:39.36 UTC | null | null | null | null | 150,667 | null | 1 | 84 | git | 105,878 | <p>A git repository contains the all history at all time.<br>
So when you are cloning a repository, you are cloning it with its full history, and <em>then</em>, you can make a branch from whatever commit you want:</p>
<pre><code> $ git checkout -b aNewBranch SHA1
</code></pre>
<p>with SHA1 representing the commit id ... |
32,291,026 | Latex table multiple row and multiple column | <p>I'm trying to create a table in Latex but without success. I tried different solutions but no one solves my problem.
I would like create a table like the picture below:</p>
<p><a href="https://i.stack.imgur.com/xZnUZ.png" rel="noreferrer"><img src="https://i.stack.imgur.com/xZnUZ.png" alt="enter image description he... | 32,291,618 | 2 | 2 | null | 2015-08-29 21:53:26.563 UTC | 12 | 2021-02-04 22:40:07.387 UTC | 2021-02-04 22:40:07.387 UTC | null | 3,543,233 | null | 1,037,475 | null | 1 | 25 | latex|multiple-columns|tabular|multirow | 126,339 | <p>One first sketch may be the following:</p>
<pre class="lang-latex prettyprint-override"><code>\documentclass{article}
\usepackage{multirow}
\begin{document}
\begin{tabular}{|c|c|c|c|c|c|}
\hline
\multirow{3}{*}{A} & \multicolumn{2}{c|}{User B} & %
\multicolumn{2}{c|}{User C} & \multirow{3}{*}{D}\\... |
6,309,725 | Newtonsoft ignore attributes? | <p>I am currently using the same C# DTOs to pull data out of CouchDB, via LoveSeat which I am going to return JSON via an ASP MVC controller.</p>
<p>I am using the NewtonSoft library to seralise my DTOs before sending them down through the controller. </p>
<p>However, as CouchDB also uses NewtonSoft it is also respec... | 6,315,258 | 5 | 0 | null | 2011-06-10 17:04:02.823 UTC | 9 | 2019-10-04 00:46:01.78 UTC | 2019-04-04 09:49:51.677 UTC | null | 9,267,987 | null | 208,754 | null | 1 | 83 | c#|asp.net-mvc|couchdb|json.net | 111,269 | <p>I ended up making all properties I needed to only add attributes to virtual, and overriding them alone in another class, with the relevant newtonsoft attributes.</p>
<p>This allows me to have different serialisation behavior when de-serialising from CouchDB and serialising for a GET, without too much dupe. It is fi... |
5,735,592 | Determine Keys from Functional Dependencies | <p>I'm taking a database theory course, and it's not clear to me after doing the reading how I can infer keys, given a set of functional dependencies.</p>
<p>I have an example problem:</p>
<p>Find all keys of the relation R(ABCDEFG) with functional dependencies</p>
<pre><code>AB → C
CD → E
EF → G
FG → E
DE → C
BC → ... | 5,736,174 | 6 | 2 | null | 2011-04-20 19:26:53.523 UTC | 23 | 2019-08-04 17:48:16.5 UTC | 2012-10-02 16:12:26.81 UTC | null | 992,687 | null | 641,455 | null | 1 | 45 | database|functional-dependencies | 79,557 | <p>Take an FD, e.g. AB→C</p>
<p>Augment until all attributes are mentioned, e.g. ABDEFG → CDEFG (note that this is equivalent to ABDEFG → ABCDEFG because it is trivially true that A->A and B->B).</p>
<p>This tells you that ABDEFG is a superkey.</p>
<p>Check the other FDs in which the LHS is a subset of your superkey... |
5,687,341 | iPhone:Programmatically compressing recorded video to share? | <p>I have implemented an overlay view when calling camera view before recording the video.</p>
<pre><code>pickerController.cameraOverlayView =myOverlay;
</code></pre>
<p>Video recording and saving the video into Album after recording the video and sharing via email etc. all works fine.</p>
<p>If i use video quality ... | 5,853,354 | 7 | 1 | null | 2011-04-16 14:58:25.43 UTC | 47 | 2022-08-11 13:07:23.75 UTC | 2012-03-14 08:40:46.493 UTC | null | 125,099 | null | 187,532 | null | 1 | 45 | iphone | 50,802 | <p>If you want to compress the video for remote sharing and keep the original quality for local storage on the iPhone, you should look into <a href="http://developer.apple.com/library/ios/#documentation/AVFoundation/Reference/AVAssetExportSession_Class/Reference/Reference.html#//apple_ref/occ/cl/AVAssetExportSession">A... |
5,757,101 | Change Input to Upper Case | <p>JS: </p>
<pre><code><script type="text/css">
$(function() {
$('#upper').keyup(function() {
this.value = this.value.toUpperCase();
});
});
</script>
</code></pre>
<p><strong>HTML</strong></p>
<pre><code><div id="search">
<input type="radio" name="table" class="table" va... | 5,757,133 | 15 | 2 | null | 2011-04-22 15:41:38.88 UTC | 15 | 2020-04-25 16:06:27.6 UTC | 2011-04-22 17:08:38.66 UTC | null | 700,070 | null | 700,070 | null | 1 | 83 | javascript|jquery | 245,376 | <p>I think the most elegant way is without any javascript but with css. You can use <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/text-transform" rel="noreferrer"><code>text-transform: uppercase</code></a> (this is inline just for the idea):</p>
<pre><code><input id="yourid" style="text-transform: upper... |
6,001,654 | How to render a DateTime in a specific format in ASP.NET MVC 3? | <p>If I have in my model class a property of type <code>DateTime</code> how can I render it in a specific format - for example in the format which <code>ToLongDateString()</code> returns?</p>
<p>I have tried this...</p>
<pre><code>@Html.DisplayFor(modelItem => item.MyDateTime.ToLongDateString())
</code></pre>
<p>... | 6,001,836 | 15 | 0 | null | 2011-05-14 11:56:01.523 UTC | 28 | 2017-12-28 11:41:02.133 UTC | 2011-05-14 12:57:28.6 UTC | null | 270,591 | null | 270,591 | null | 1 | 119 | asp.net|asp.net-mvc|asp.net-mvc-3 | 218,759 | <p>If all you want to do is display the date with a specific format, just call:</p>
<pre><code>@String.Format(myFormat, Model.MyDateTime)
</code></pre>
<p>Using <code>@Html.DisplayFor(...)</code> is just extra work unless you are specifying a template, or need to use something that is built on templates, like iterati... |
55,802,212 | Error related to resources_ap after upgrading to Android Studio 3.4 | <p>I upgraded Android Studio 3.4 today. I am no longer able to run the the app. I have cleaned the project, restarted Android studio many times. I have also invalidated cache to no avail.
I am getting the following error when installing the app:</p>
<pre><code>FAILURE: Build failed with an exception.
* What went ... | 55,824,989 | 10 | 3 | null | 2019-04-22 23:10:36.937 UTC | 7 | 2019-08-09 14:13:58.123 UTC | 2019-04-30 01:43:59.477 UTC | null | 355,456 | null | 355,456 | null | 1 | 79 | android-studio|android-studio-3.4 | 23,800 | <p>Switching off Instant Run as a workaround (File/Settings/Instant Run) seems to eliminate the problem.</p>
<p>According to OP it is possible to turn Instant Run back on without the problem recurring for some projects.</p> |
39,142,778 | How to determine the language of a piece of text? | <p>I want to get this:</p>
<pre class="lang-none prettyprint-override"><code>Input text: "ру́сский язы́к"
Output text: "Russian"
Input text: "中文"
Output text: "Chinese"
Input text: "にほんご"
Output text: "Japanese"
Input text: "العَرَبِيَّة"
Outpu... | 39,143,059 | 15 | 3 | null | 2016-08-25 10:26:00.44 UTC | 86 | 2022-09-19 08:41:41.32 UTC | 2022-06-13 15:59:31.613 UTC | null | 68,587 | null | 6,680,564 | null | 1 | 162 | python|nlp | 136,964 | <p>Have you had a look at <a href="https://pypi.python.org/pypi/langdetect?" rel="noreferrer">langdetect</a>?</p>
<pre><code>from langdetect import detect
lang = detect("Ein, zwei, drei, vier")
print lang
#output: de
</code></pre> |
4,985,093 | jQuery - Send a form asynchronously | <p>I have a form such as :</p>
<pre><code><form action='???' method='post' name='contact'>
<input type="text" class="inputContact" name="mittente" />
<textarea class="textContact" name="smex"></textarea>
<input type="submit" value="Send" />
</div>
</fo... | 4,985,112 | 1 | 3 | null | 2011-02-13 15:44:55.737 UTC | 12 | 2021-04-22 09:09:47.16 UTC | 2011-02-13 16:48:47.893 UTC | null | 365,251 | null | 365,251 | null | 1 | 34 | jquery|ajax|forms | 33,610 | <pre><code>$('form[name=contact]').submit(function(){
// Maybe show a loading indicator...
$.post($(this).attr('action'), $(this).serialize(), function(res){
// Do something with the response `res`
console.log(res);
// Don't forget to hide the loading indicator!
});
return fal... |
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