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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
17,146,497 | Type of "this" in c++? | <pre><code>struct Foo
{
void f()
{
// (*)
}
};
</code></pre>
<p>What is the type of "this" in the line marked with (*) ?</p>
<p>Is it <strong>const Foo*</strong> or <strong>Foo*</strong> ?</p> | 17,146,540 | 4 | 4 | null | 2013-06-17 11:33:20.123 UTC | 9 | 2018-08-24 12:52:21.863 UTC | null | null | null | null | 978,461 | null | 1 | 32 | c++ | 2,822 | <p>n3376 9.3.2/1</p>
<p><Blockquote><P>
In the body of a non-static (9.3) member function, <strong>the keyword this is a prvalue expression</strong> whose value
is the address of the object for which the function is called.</p>
<p><strong>The type of this in a member function of
a class X is X*</strong>. If the membe... |
17,274,130 | Bootstrap Tooltip - Hide when another tooltip is click | <p>I hope someone can help.</p>
<p>I'm trying to hide the tooltip when another tooltip icon is clicked. It works but when I decide to click the last tooltip again it 'flashes' the tooltip.</p>
<pre><code>var Hastooltip = $('.hastooltip');
HasTooltip.on('click', function(e) {
e.preventDefault();
HasTooltip.t... | 17,281,854 | 10 | 4 | null | 2013-06-24 11:14:47.227 UTC | 3 | 2022-09-22 18:21:06.29 UTC | 2013-06-24 17:20:14.673 UTC | null | 422,353 | null | 1,381,806 | null | 1 | 36 | javascript|jquery|twitter-bootstrap|tooltip | 67,090 | <p>You need to check if the tooltip is showing and toggle its visibility manually. This is one way of doing it.</p>
<pre><code>$(function() {
var HasTooltip = $('.hastooltip');
HasTooltip.on('click', function(e) {
e.preventDefault();
var isShowing = $(this).data('isShowing');
HasTooltip.removeData('is... |
17,301,972 | Projecting into KeyValuePair via EF / Linq | <p>I'm trying to load a list of KeyValuePairs from an EF / Linq query like this: </p>
<pre><code>return (from o in context.myTable
select new KeyValuePair<int, string>(o.columnA, o.columnB)).ToList();
</code></pre>
<p>My problem is that this results in the error </p>
<blockquote>
<p>"Only parameterless con... | 17,302,070 | 3 | 1 | null | 2013-06-25 15:53:33.343 UTC | 4 | 2018-09-11 13:45:48.847 UTC | 2018-09-11 13:45:48.847 UTC | null | 5,947,043 | null | 543,538 | null | 1 | 42 | c#|linq|entity-framework|projection|keyvaluepair | 41,378 | <p>Select only columnA and columnB from your table, and move further processing in memory:</p>
<pre><code>return context.myTable
.Select(o => new { o.columnA, o.columnB }) // only two fields
.AsEnumerable() // to clients memory
.Select(o => new KeyValuePair<int, strin... |
30,692,537 | CoordinatorLayout ignores margins for views with anchor | <p>Given I'm using a layout like this:</p>
<pre><code><android.support.design.widget.CoordinatorLayout
android:id="@+id/main_content"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_... | 30,694,035 | 7 | 2 | null | 2015-06-07 10:36:56.493 UTC | 5 | 2022-03-13 19:58:08.12 UTC | null | null | null | null | 375,209 | null | 1 | 30 | android|android-support-library|androiddesignsupport | 22,930 | <p>As there might be <a href="https://code.google.com/p/android/issues/list?can=2&q=CoordinatorLayout&colspec=ID%20Type%20Status%20Owner%20Summary%20Stars&cells=tiles" rel="nofollow">bugs</a> in the design-support-lib concerning the <code>CoordinatorLayout</code> & margins, I wrote a <code>FrameLayout</... |
18,679,020 | Border around tr element doesn't show? | <p>It seems like Chrome/Firefox do not render borders on <code>tr</code>, but it renders the border if the selector is <code>table tr td</code>.</p>
<p>How can I set a border on a tr ?</p>
<p>My attempt, which doesn't work:</p>
<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="fal... | 18,679,047 | 3 | 1 | null | 2013-09-07 23:45:50.39 UTC | 31 | 2022-09-19 13:31:33.26 UTC | 2022-09-19 13:31:33.26 UTC | null | 1,993,501 | null | 1,993,501 | null | 1 | 166 | html|css|html-table | 131,024 | <p>Add this to the stylesheet:</p>
<pre><code>table {
border-collapse: collapse;
}
</code></pre>
<p><a href="http://jsfiddle.net/ZKjAX/" rel="noreferrer">JSFiddle</a>.</p>
<p>The reason why it behaves this way is actually described pretty well in <a href="http://www.w3.org/TR/CSS2/tables.html#borders" rel="norefer... |
18,580,397 | How to remove a key from a RethinkDB document? | <p>I'm trying to remove a key from a RethinkDB document.
My approaches (which didn't work):</p>
<pre><code>r.db('db').table('user').replace(function(row){delete row["key"]; return row})
</code></pre>
<p>Other approach:</p>
<pre><code>r.db('db').table('user').update({key: null})
</code></pre>
<p>This one just sets... | 18,580,552 | 3 | 0 | null | 2013-09-02 20:31:42.213 UTC | 5 | 2017-12-29 23:59:54.347 UTC | 2017-04-24 14:15:49.147 UTC | null | 265,261 | null | 297,094 | null | 1 | 46 | rethinkdb|rethinkdb-python | 15,826 | <p>Here's the relevant example from the documentation on RethinkDB's website: <a href="http://rethinkdb.com/docs/cookbook/python/#removing-a-field-from-a-document" rel="noreferrer">http://rethinkdb.com/docs/cookbook/python/#removing-a-field-from-a-document</a></p>
<p>To remove a field from all documents in a table, yo... |
26,074,784 | How to make a view with rounded corners? | <p>I am trying to make a view in android with rounded edges. The solution I found so far is to define a shape with rounded corners and use it as the background of that view.</p>
<p>Here is what I did, define a drawable as given below:</p>
<p>
</p>
<pre><code><padding
android:top="2dp"
android:bottom="2dp"/>... | 26,201,117 | 21 | 4 | null | 2014-09-27 12:41:53.347 UTC | 39 | 2022-06-24 16:32:51.467 UTC | 2020-02-28 07:35:06.31 UTC | null | 6,138,892 | null | 623,401 | null | 1 | 116 | android|android-layout|view|android-view|android-shape | 155,995 | <p>Another approach is to make a custom layout class like the one below. This layout first draws its contents to an offscreen bitmap, masks the offscreen bitmap with a rounded rect and then draws the offscreen bitmap on the actual canvas.</p>
<p>I tried it and it seems to work (at least for my simple testcase). It wil... |
5,365,566 | Parse string to float number C# | <p>I have float number in string. there is one problem. Number uses "." not "," as decimal point.</p>
<p>This code is not working:</p>
<pre><code>MyNumber = float.Parse("123.5");
</code></pre>
<p>I know that I can use string replace function to "repair" this string before Parsing.</p>
<pre><code>MyNumber = float.Pa... | 5,365,939 | 3 | 0 | null | 2011-03-19 23:14:16.91 UTC | 1 | 2013-07-06 15:03:50.117 UTC | 2012-06-04 15:26:48.853 UTC | null | 44,390 | null | 465,408 | null | 1 | 12 | c#|.net|string|parsing|floating-point | 44,980 | <p>To add to Steven's question, rather than argue differently, the important thing is <em>why</em> the decimal separator is <code>.</code>.</p>
<p>If it's because the source is in a computer-readable format where the period decimal separator is specified as part of the document specification, then I'd go precisely as ... |
18,643,457 | How do I add a class to an @Html.ActionLink? | <p>I have two <code>@Html.ActionLink's</code> that I want to make look like buttons. I'm able to make this happen with <code>CSS</code> but only if I use the #ID of the actionlink to apply the <code>CSS</code>. I want to assign a class to the action links but when I do using the code below I get an error saying I have... | 18,643,539 | 5 | 3 | null | 2013-09-05 18:29:46.763 UTC | 8 | 2020-04-16 05:38:48.477 UTC | 2014-10-15 09:05:25.45 UTC | null | 542,251 | null | 1,018,705 | null | 1 | 26 | css|asp.net-mvc|razor | 89,004 | <p>You have to use the <code>@</code> character, since class is a keyword in C#. Here's a link to the MSDN documentation: <a href="http://msdn.microsoft.com/en-us/library/dd492124(v=vs.108).aspx">http://msdn.microsoft.com/en-us/library/dd492124(v=vs.108).aspx</a></p>
<pre><code>@Html.ActionLink("Link Text", "ActionNam... |
18,548,156 | How to copy the conditional formatting without copying the rules from a Conditional Formatted cell? | <p>I have a row of data with conditional formatting in it.</p>
<p>I need to copy this row to another row. This new row must be identical (values, formats), but static, i.e. without the rules. If I copy and paste the row and clear the rules, the formatting from the CF rule vanishes.</p>
<p>Is it possible?</p> | 26,157,745 | 8 | 5 | null | 2013-08-31 12:31:36.403 UTC | 5 | 2021-04-05 09:36:59.553 UTC | 2016-12-21 22:21:46.39 UTC | null | 2,359,271 | null | 1,845,356 | null | 1 | 29 | excel | 77,084 | <p>Just discovered an easy way: <strong>Copy the table to MS Word and copy it back to excel :D</strong></p>
<hr>
<p>It worked perfectly for me.</p> |
18,444,194 | Cutting the videos based on start and end time using ffmpeg | <p>I tried to cut the video using the start and end time of the video by using the following command</p>
<pre><code>ffmpeg -ss 00:00:03 -t 00:00:08 -i movie.mp4 -acodec copy -vcodec copy -async 1 cut.mp4
</code></pre>
<p>By using the above command i want to cut the video from <code>00:00:03</code> to <code>00:00:08</co... | 18,449,609 | 13 | 7 | null | 2013-08-26 12:34:19.137 UTC | 355 | 2022-06-21 21:03:18.29 UTC | 2021-12-07 03:54:07.367 UTC | null | 162,698 | null | 788,891 | null | 1 | 852 | video|ffmpeg|video-editing | 789,198 | <p>You probably do not have a keyframe at the 3 second mark. Because non-keyframes encode differences from other frames, they require all of the data starting with the previous keyframe.</p>
<p>With the mp4 container it is possible to cut at a non-keyframe without re-encoding using an edit list. In other words, if t... |
15,339,143 | Eclipse Run button doesn't work when Android xml file is selected | <p>I have Eclipse Juno SR1 and Android SDK Tools 21.1, SDK Platform-tools 16.0.2 (latest) on Mac.</p>
<p>When I have some XML file selected and hit Run button, nothing happens. I have to select some Java File or project in the Package Explorer. Then it runs. It's quite annoying when I edit XML files. It was working in... | 15,339,199 | 1 | 0 | null | 2013-03-11 12:55:44.507 UTC | 2 | 2013-03-11 13:03:36.923 UTC | null | null | null | null | 560,358 | null | 1 | 37 | android|eclipse|android-xml|android-sdk-tools | 6,520 | <p>I think its due to some recent changes in <strong>ADT 21.1.0</strong>. Anyhow, to resolve this, you may configure the following in Eclipse:</p>
<blockquote>
<p><kbd>Window</kbd> -> <kbd>Preferences</kbd> -> <kbd>Run/Debug</kbd> ->
<kbd>Launching</kbd> -> (under Launch Operations) <strong>Always launch the
pre... |
15,111,408 | How does sklearn.svm.svc's function predict_proba() work internally? | <p>I am using <a href="http://scikit-learn.org/stable/modules/generated/sklearn.svm.SVC.html" rel="noreferrer">sklearn.svm.svc</a> from <a href="http://scikit-learn.org/stable/" rel="noreferrer">scikit-learn</a> to do binary classification. I am using its predict_proba() function to get probability estimates. Can any... | 15,112,563 | 2 | 0 | null | 2013-02-27 11:50:57.28 UTC | 34 | 2014-02-07 01:09:35.147 UTC | 2013-02-27 12:21:08.757 UTC | null | 1,067,887 | null | 2,115,183 | null | 1 | 46 | python|svm|scikit-learn | 37,931 | <p>Scikit-learn uses LibSVM internally, and this in turn uses <a href="http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.41.1639" rel="noreferrer">Platt scaling</a>, as detailed in <a href="http://www.csie.ntu.edu.tw/~cjlin/papers/plattprob.pdf" rel="noreferrer">this note by the LibSVM authors</a>, to calibrate t... |
28,307,237 | Spring Could not Resolve placeholder | <p>I'm fairly new to spring so excuse me if this is a dumb question. When I try to launch a program I get the following error: <code>java.lang.IllegalArgumentException: Could not resolve placeholder 'appclient' in string value [${appclient}]</code>. The error is thrown when the following code is executed:</p>
<pre><co... | 28,307,313 | 9 | 3 | null | 2015-02-03 19:34:01.153 UTC | 11 | 2022-05-24 21:57:04.773 UTC | null | null | null | null | 1,272,809 | null | 1 | 35 | java|spring | 206,300 | <p>You are not reading the properties file correctly. The propertySource should pass the parameter as: <code>file:appclient.properties</code> or <code>classpath:appclient.properties</code>. Change the annotation to:</p>
<pre><code>@PropertySource(value={"classpath:appclient.properties"})
</code></pre>
<p>However I do... |
9,575,652 | OpenCV using k-means to posterize an image | <p>I want to posterize an image with k-means and OpenCV in C++ interface (cv namespace) and I get weird results. I need it for reduce some noise. This is my code:</p>
<pre><code>#include "cv.h"
#include "highgui.h"
using namespace cv;
int main() {
Mat imageBGR, imageHSV, planeH, planeS, planeV... | 9,608,527 | 3 | 9 | null | 2012-03-05 23:22:38.96 UTC | 11 | 2022-05-06 10:21:48.367 UTC | 2020-06-20 09:12:55.06 UTC | null | -1 | null | 433,685 | null | 1 | 18 | c++|image-processing|opencv|k-means|noise-reduction | 34,320 | <p>I am no expert in OpenCV so I will give a general advice that relates to your question K-means takes list of vectors which is essentially a matrix:</p>
<pre><code>[x0, y0, r0, g0, b0]
[x1, y1, r1, g1, b1]
[x2, y2, r2, g2, b2]
.
.
.
</code></pre>
<p>You are giving it an image which is not going to work. You first h... |
8,777,359 | error: subscripted value is neither array nor pointer nor vector in C | <pre><code>the_project.c:73:22: error: subscripted value is neither array nor pointer nor vector
</code></pre>
<p>it gives the error above and the line 73 is the following.</p>
<pre><code>customer_table[my_id][3] = worker_no;
</code></pre>
<p>I declared the array global as follows</p>
<pre><code>int *customer_tabl... | 8,777,392 | 2 | 3 | null | 2012-01-08 12:07:59.05 UTC | 1 | 2012-01-08 12:27:52.85 UTC | 2012-01-08 12:27:52.85 UTC | null | 1,023,815 | null | 1,002,790 | null | 1 | 2 | c|arrays|pointers | 43,455 | <p>You're declaring a <code>pointer-to-int</code>. So <code>cutomer_table[x]</code> is an int, not a pointer. If you need a two-dimensional, dynamically allocated array, you'll need a:</p>
<pre><code>int **customer_table;
</code></pre>
<p>and you'll need to be very careful with the allocation.</p>
<p>(See e.g. <a hr... |
5,078,752 | Magento ->addCategoryFilter - filtering product collection by root category | <p>Concerning the use of the <strong>->addCategoryFilter</strong> on a product collection. Why is it not possible to filter by the root category? I have 2 stores, both with different root categories. I want to show a list of best-selling products on my homepage. But I can't filter the products by the root category, onl... | 8,480,433 | 5 | 1 | null | 2011-02-22 13:29:03.257 UTC | 2 | 2014-06-24 18:43:39.82 UTC | 2011-03-21 16:25:57.527 UTC | null | 161,056 | null | 161,056 | null | 1 | 6 | magento | 67,464 | <p>OK, I think this works, haven't tested too much but seems to have done the trick. You need to first get your stores root category id, then join some fields so you have access to the products "category_id", then filter using that:</p>
<pre><code>$_rootcatID = Mage::app()->getStore()->getRootCategoryId();
$_te... |
4,844,498 | Rails 3 Finding day of week | <p>I'm trying to make my own calendar because i cant seem to get any help with event calendar so what im trying to do is Display the day of the week ie.. January 1 2011 is a Saturday is there an easy command to get that day or do i need something else </p> | 4,844,526 | 6 | 0 | null | 2011-01-30 17:58:19.52 UTC | 8 | 2021-10-04 09:45:29.42 UTC | null | null | null | null | 570,483 | null | 1 | 72 | ruby-on-rails-3 | 53,754 | <p>Can't you use <a href="http://www.ruby-doc.org/core/classes/Time.html#M000369" rel="noreferrer">time.wday</a>, 0 = sunday and so on</p> |
5,009,096 | Files showing as modified directly after a Git clone | <p>I'm having an issue with a repository at the moment, and though my Git-fu is usually good, I can't seem to solve this issue.</p>
<p>When I clone this repository, then <code>cd</code> into the repository, <code>git status</code> shows several files as changed. Note: I haven't opened the repository in any editor or a... | 5,022,417 | 19 | 0 | null | 2011-02-15 20:24:49.883 UTC | 73 | 2021-04-22 14:33:35.797 UTC | 2019-04-23 20:06:15.703 UTC | null | 63,550 | null | 261,393 | null | 1 | 254 | git|git-clone | 110,603 | <p>I got it. All the other developers are on Ubuntu (I think) and thus have case-sensitive file systems. I, however, do not (as I'm on a Mac). Indeed, all the files had lowercase twins when I took a look at them using <code>git ls-tree HEAD <path></code>.</p>
<p>I'll get one of them to sort it out.</p> |
29,625,912 | Draw custom line between two elements in TableLayout Android | <p>I have an activity with events organised in a timeline. But it looks ugly. </p>
<p><img src="https://i.stack.imgur.com/SOsdI.png" alt="enter image description here"></p>
<p>I want to design a more beautiful timeline like this one.
<img src="https://i.stack.imgur.com/IJCaV.png" alt="enter image description here"></... | 29,627,491 | 2 | 9 | null | 2015-04-14 11:14:00.833 UTC | 9 | 2016-09-19 01:30:20.1 UTC | 2015-04-14 11:37:48.05 UTC | null | 4,506,376 | null | 4,506,376 | null | 1 | 4 | android|timeline | 7,557 | <p>You may have to create your own <strong>custom adapter</strong> but I am using array adapter for your reference. Also giving item layout for list view, hope you will manage your <strong>code</strong> accordingly.</p>
<p><img src="https://i.stack.imgur.com/mCBrO.png" alt="list-items"></p>
<p><strong>items.xml</stro... |
12,343,187 | Should I run Tomcat by itself or Apache + Tomcat? | <p>I was wondering if it would be okay to run Tomcat as both the web server and container? On the other hand, it seems that the right way to go about scaling your webapp is to use Apache HTTP listening on port 80 and connecting that to Tomcat listening on another port?
Are both ways acceptable? What is being used nowda... | 12,343,443 | 2 | 0 | null | 2012-09-09 21:35:01.567 UTC | 9 | 2012-09-09 22:16:28.303 UTC | null | null | null | null | 560,204 | null | 1 | 11 | apache|tomcat | 7,658 | <p>Placing an Apache (or any other webserver) in front of your application server(s) (Tomcat) is a good thing for a number of reasons.</p>
<p>First consideration is about static resources and caching. </p>
<p>Tomcat will probably serve also a lot of static content, or even on dynamic content it will send some caching... |
12,350,413 | Google maps auto-fit (auto center & autozoom) doesn't work | <p>I have a problem with a map on which I've used the <code>fitBounds</code> map methods, which should give the proper zoom and center the map giving it a latlon array. here's the code:</p>
<pre><code><script type="text/javascript"
src="http://maps.googleapis.com/maps/api/js?sensor=false">
</script>
... | 12,351,178 | 1 | 2 | null | 2012-09-10 11:09:08.453 UTC | 6 | 2016-02-04 04:37:00.543 UTC | 2016-02-04 04:37:00.543 UTC | null | 2,405,040 | null | 998,967 | null | 1 | 19 | javascript|google-maps|google-maps-api-3|google-maps-markers | 40,906 | <p>I've updated your fiddle here: <a href="http://jsfiddle.net/KwayW/1/" rel="noreferrer">http://jsfiddle.net/KwayW/1/</a></p>
<p>It works now as expected.</p>
<p>Here's the full code (save this as test.html and open in browser):</p>
<pre><code><style>#map_canvas { width:500px; height: 400px; }</style>
&... |
12,152,519 | Removing XML Nodes using XSLT | <p>I have the following XML:</p>
<pre><code><?xml version="1.0" encoding="utf-8"?>
<Rowsets>
<Rowset>
<Columns>
<Column Description="FirstName" MaxRange="1" MinRange="0" Name="FirstName" SQLDataType="12" SourceColumn="FirstName"/>
<Column Description="LastName" MaxR... | 12,152,983 | 1 | 0 | null | 2012-08-28 03:51:23.963 UTC | 2 | 2016-04-12 13:25:55.803 UTC | 2016-04-12 13:25:55.803 UTC | null | 105,672 | null | 1,481,396 | null | 1 | 22 | xml|xslt | 40,615 | <pre><code><xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes"/>
<xsl:strip-space elements="*" />
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</xsl:copy>
</xsl:te... |
12,236,533 | Migrating from ASP.NET Membership to SimpleMembership in MVC4 RTM | <p>The new MVC4 RTM internet application templates use the SimpleMembership providers as descibed here <a href="http://weblogs.asp.net/jgalloway/archive/2012/08/29/simplemembership-membership-providers-universal-providers-and-the-new-asp-net-4-5-web-forms-and-asp-net-mvc-4-templates.aspx/">SimpleMembership</a></p>
<p>... | 13,446,014 | 3 | 2 | null | 2012-09-02 13:56:26.73 UTC | 16 | 2015-09-24 04:47:07.91 UTC | null | null | null | null | 409,176 | null | 1 | 27 | asp.net|asp.net-mvc|asp.net-mvc-3|asp.net-membership|asp.net-mvc-4 | 11,189 | <p>I'd like to surface Paul's comment in case anyone misses it and suggest his solution is the best I've seen. </p>
<p><a href="http://pretzelsteelersfan.blogspot.com/2012/11/migrating-legacy-apps-to-new.html">http://pretzelsteelersfan.blogspot.com/2012/11/migrating-legacy-apps-to-new.html</a></p>
<p>Thanks Paul</p> |
12,145,772 | Do nullable columns occupy additional space in PostgreSQL? | <p>I have a table with 7 columns and 5 of them will be null. I will have a null columns on <code>int</code>, <code>text</code>, <code>date</code>, <code>boolean</code>, and <code>money</code> data types. This table will contain millions of rows with many many nulls. I am afraid that the null values will occupy space.</... | 12,147,130 | 3 | 0 | null | 2012-08-27 16:23:06.137 UTC | 9 | 2020-08-21 01:54:54.817 UTC | 2014-12-15 01:52:04.94 UTC | null | 939,860 | null | 184,773 | null | 1 | 29 | postgresql|database-design|indexing|null | 9,055 | <p>Basically, <code>NULL</code> values occupy <strong>1 bit</strong> in the NULL bitmap. But it's not that simple.</p>
<p>The <strong>null bitmap</strong> (per row) is only allocated if at least one column in that row holds a <code>NULL</code> value. This can lead to a seemingly paradoxic effect in tables with 9 or mor... |
12,594,541 | NPM global install "cannot find module" | <p>I wrote a module which I published to npm a moment ago (https://npmjs.org/package/wisp)</p>
<p>So it installs fine from the command line:</p>
<p><code>$ npm i -g wisp</code></p>
<p>However, when I run it from the command line, I keep getting an error that optimist isn't installed:</p>
<pre><code>$ wisp
Error: C... | 14,515,868 | 19 | 8 | null | 2012-09-26 04:25:59 UTC | 65 | 2021-12-29 01:26:58.093 UTC | 2012-09-26 07:44:51.65 UTC | null | 1,258,398 | null | 1,258,398 | null | 1 | 237 | node.js|npm | 342,927 | <p>For anyone else running into this, I had this problem due to my <code>npm</code> installing into a location that's not on my <code>NODE_PATH</code>.</p>
<pre><code>[root@uberneek ~]# which npm
/opt/bin/npm
[root@uberneek ~]# which node
/opt/bin/node
[root@uberneek ~]# echo $NODE_PATH
</code></pre>
<p>My NODE_PATH ... |
3,623,754 | What are the different techniques for memoization in Java? | <p>I know of this one <a href="http://onjava.com/pub/a/onjava/2003/08/20/memoization.html" rel="noreferrer">http://onjava.com/pub/a/onjava/2003/08/20/memoization.html</a> but is there anything else?</p> | 3,624,099 | 3 | 1 | null | 2010-09-02 04:08:27.16 UTC | 17 | 2017-06-26 10:25:52.073 UTC | 2012-06-13 12:32:11.493 UTC | null | 1,135,954 | null | 437,552 | null | 1 | 24 | java|memoization | 20,355 | <p>Memoization is also easy with plain simple typesafe Java.</p>
<p>You can do it from scratch with the following reusable classes.</p>
<p>I use these as caches whose lifespan are the request on a webapp.</p>
<p>Of course use the Guava <code>MapMaker</code> if you need an eviction strategy or more features like sync... |
3,486,055 | Android find GPS location once, show loading dialog | <p>I am writing an app that requires the user's current location (lastknownlocation won't be very helpful) and displays a list of all the closest "items" to them taken from the database.</p>
<p>I have got the finding of the closest items working well but only using a hardcoded latitude and longitude location for the t... | 3,486,245 | 3 | 1 | null | 2010-08-15 03:15:30.61 UTC | 17 | 2011-09-15 05:24:33.31 UTC | 2011-09-07 15:03:59.817 UTC | null | 387,317 | null | 387,317 | null | 1 | 26 | android|gps|progressdialog|locationlistener | 43,849 | <p>Use an <strong>AsyncTask</strong> and use <strong>both network_provider as well as gps_provider</strong>, which means two listeners. gps takes longer to get a fix, maybe sometimes a minute and only works outdoors, while network gets a location pretty fast.</p>
<p>A good code example is here: <a href="https://stacko... |
3,465,377 | what's the use of string.Clone()? | <p>there are 2 examples of code:
# 1</p>
<pre><code> string str1 = "hello";
string str2 = str1; //reference to the same string
str1 = "bye"; //new string created
</code></pre>
<p>and # 2</p>
<pre><code>string str3 = "hello";
string str4 = (string)str3.Clone();//reference to the same string
str3 = "bye";//new str... | 3,465,401 | 3 | 0 | null | 2010-08-12 06:59:49.937 UTC | 2 | 2020-10-23 17:10:17.083 UTC | 2010-08-13 07:57:24.963 UTC | null | 352,898 | null | 352,898 | null | 1 | 32 | c#|.net|string|.net-2.0 | 20,219 | <p>This is useful since string implements <em>ICloneable</em>, so you can create a copy of clones for a collection of <em>ICloneable</em> items. This is boring when the collection is of strings only, but it's useful when the collection contains multiple types that implement <em>ICloneable</em>.</p>
<p>As for copying a... |
8,953,424 | How to get the username in C/C++ in Linux? | <p>How can I get the actual "username" without using the environment (<code>getenv</code>, ...) in a program? Environment is C/C++ with Linux.</p> | 8,953,466 | 6 | 13 | null | 2012-01-21 13:39:59.58 UTC | 10 | 2021-07-05 14:01:52.537 UTC | 2021-02-23 13:54:02.823 UTC | null | 5,779,732 | null | 1,162,308 | null | 1 | 43 | c++|c|linux|posix | 105,554 | <p>The function <strong><code>getlogin_r()</code></strong> defined in <code>unistd.h</code> returns the username. See <code>man getlogin_r</code> for more information.</p>
<p>Its signature is:</p>
<pre><code>int getlogin_r(char *buf, size_t bufsize);
</code></pre>
<p>Needless to say, this function can just as easily... |
20,671,303 | Bootstrap 3 changing div order on small screens only | <p>Doing my 1st responsive design and is something like this possible in Bootstrap 3. Change this
<a href="https://i.stack.imgur.com/lABXp.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lABXp.jpg" alt=""></a></p>
<p>To</p>
<p><a href="https://i.stack.imgur.com/nm3ra.jpg" rel="nofollow noreferrer">... | 20,672,273 | 6 | 4 | null | 2013-12-19 00:25:12.093 UTC | 11 | 2020-06-23 07:54:31.913 UTC | 2019-02-02 14:47:35.713 UTC | null | 10,607,772 | null | 589,961 | null | 1 | 22 | css|twitter-bootstrap|sorting|mobile | 73,772 | <h1>DEMO: <a href="http://jsbin.com/uZiKAha/1" rel="noreferrer">http://jsbin.com/uZiKAha/1</a></h1>
<h3>DEMO w/edit: <a href="http://jsbin.com/uZiKAha/1/edit" rel="noreferrer">http://jsbin.com/uZiKAha/1/edit</a></h3>
<p>Yes, this can be done without JS using BS3 nesting and pushing/pulling and all the floats clear:</p>... |
26,101,774 | How to trim off Image in CSS? | <p>Ok, here is the problem, my app allow users to insert any image. It is up to them insert very big or very long image. But when I rentder image I want the <code>width="50px"</code> and <code>height="100px"</code>.</p>
<p>ok if I do</p>
<pre><code>.myImage{
width:50px;
height:100px;
}
</code></pre>
<p>then th... | 26,102,029 | 5 | 5 | null | 2014-09-29 14:03:52.203 UTC | 1 | 2014-09-29 14:21:07.677 UTC | null | null | null | null | 2,336,037 | null | 1 | 8 | html|css | 44,013 | <p>1) Trim image with <code><div></code> and <code>overflow:hidden</code>:</p>
<pre><code> div.trim {
max-height:100px;
max-width: 50px;
overflow: hidden;
}
<div class="trim"><img src="veryBigImage.png"/></div>
</code></pre>
<p>2) Use <code>max-width: 50px;</code> and <code>m... |
48,187,362 | How to iterate using ngFor loop Map containing key as string and values as map iteration | <p>I am new to angular 5 and trying to iterate the map containing another map in typescript.
How to iterate below this kind of map in angular
below is code for component:</p>
<pre><code>import { Component, OnInit} from '@angular/core';
@Component({
selector: 'app-map',
templateUrl: './map.component.html',
sty... | 48,187,637 | 6 | 6 | null | 2018-01-10 12:19:48.87 UTC | 20 | 2022-07-01 08:58:08.19 UTC | 2020-05-24 13:46:44.48 UTC | null | 2,349,407 | null | 8,744,067 | null | 1 | 160 | javascript|angular|typescript|angular-cli | 172,948 | <p><strong>For Angular 6.1+</strong> , you can use default pipe <strong><a href="https://angular.io/api/common/KeyValuePipe" rel="noreferrer"><code>keyvalue</code></a></strong> ( <a href="https://stackoverflow.com/a/52532564/2349407"><strong>Do review and upvote also</strong></a> ) :</p>
<pre><code><ul>
<... |
12,822,420 | iOS: How to use MPMoviePlayerController | <p>I've created a blank project (iOS) and put this in my viewDidLoad:</p>
<pre><code>NSString *moviePath = [[NSBundle mainBundle] pathForResource:@"Movie" ofType:@"m4v"];
MPMoviePlayerViewController *playerController = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL fileURLWithPath:moviePath]];
[self pr... | 12,950,958 | 4 | 2 | null | 2012-10-10 14:59:15.123 UTC | 13 | 2017-07-30 00:22:10.007 UTC | null | null | null | null | 1,147,286 | null | 1 | 30 | objective-c|ios|video|mpmovieplayercontroller|avfoundation | 70,163 | <p>Turns out all we have to do is this:</p>
<pre><code>NSURL *movieURL = [NSURL URLWithString:@"http://example.com/somefile.mp4"];
movieController = [[MPMoviePlayerViewController alloc] initWithContentURL:movieURL];
[self presentMoviePlayerViewControllerAnimated:movieController];
[movieController.moviePlayer play];
</... |
12,700,145 | Format telephone and credit card numbers in AngularJS | <p><strong>Question one (formatting telephone number):</strong></p>
<p>I'm having to format a telephone number in AngularJS but there is no filter for it. Is there a way to use filter or currency to format 10 digits to <code>(555) 555-5255</code>? and still preserve the data type of the field as integer?</p>
<p><stro... | 12,728,924 | 17 | 2 | null | 2012-10-02 23:59:40.16 UTC | 33 | 2017-08-31 06:20:50.197 UTC | 2015-04-25 14:51:12.013 UTC | null | 3,621,464 | null | 1,607,197 | null | 1 | 69 | angularjs|number-formatting | 135,891 | <p>Also, if you need to format telephone number on output only, you can use a custom filter like this one:</p>
<pre><code>angular.module('ng').filter('tel', function () {
return function (tel) {
if (!tel) { return ''; }
var value = tel.toString().trim().replace(/^\+/, '');
if (value.match... |
12,715,340 | Using Directives Sorted in Wrong Order | <p>I'm using the Power Commands extension with Visual Studio 2012. I have the option checked to remove and sort usings on save. The problem is that the System.Xxx directives are being sorted last, and that's causing a style analysis error:</p>
<blockquote>
<p>SA1208: System using directives must be placed before all... | 12,715,422 | 1 | 3 | null | 2012-10-03 19:20:24.603 UTC | 11 | 2016-01-20 18:32:31.347 UTC | 2016-01-20 18:32:31.347 UTC | null | 2,642,204 | null | 279,516 | null | 1 | 71 | c#|visual-studio-2012|powercommands | 16,940 | <p>Goto the "Quick Launch" (Ctrl+Q) and type "using" and press <code>Enter</code>.</p>
<p>Then change the following setting:</p>
<p><img src="https://i.stack.imgur.com/twb5T.png" alt="Using Sorting option"></p>
<p>It's an annoying default setting, I have no idea why Microsoft chose that, it goes against all previous... |
13,051,428 | How to display images in Markdown files on Github? | <p>I want to display some images in a Markdown file on Github. I found it works this way:</p>
<pre><code>
</code></pre>
<p>But i need to collaborate with others so i don't want the username and repo name hard coded .</p>
<p>... | 13,063,862 | 2 | 0 | null | 2012-10-24 14:35:15.21 UTC | 31 | 2021-03-14 08:01:31.297 UTC | 2019-11-19 10:16:37.987 UTC | null | 1,536,976 | null | 802,585 | null | 1 | 93 | github|markdown | 77,868 | <p>I found the answer myself.</p>
<p>Just simply append <strong>?raw=true</strong> to the image url will make the trick:</p>
<pre><code>
</code></pre> |
30,325,042 | How to compare two JSON strings when the order of entries keep changing | <p>I have a string like - <code>{"state":1,"cmd":1}</code> , I need to compare this with generated output but in the generated output the order keeps changing i.e. sometimes its <code>{"state":1,"cmd":1}</code> other times its <code>{"cmd":1,"state":1}</code>. </p>
<p>Currently I was using <code>equals()</code> method... | 30,325,551 | 4 | 11 | null | 2015-05-19 12:00:52.673 UTC | 4 | 2015-05-19 13:22:39.98 UTC | 2015-05-19 13:22:39.98 UTC | null | 67,579 | null | 4,688,819 | null | 1 | 16 | java|string|equals|json | 68,518 | <p><a href="http://jackson.codehaus.org">Jackson Json parser</a> has a nice feature that it can parse a Json String into a Map. You can then query the entries or simply ask on equality: </p>
<pre><code>import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.*;
public class Test
{
public static void... |
17,119,116 | How many ways can you insert a series of values into a BST to form a specific tree? | <p><a href="https://stackoverflow.com/q/17118761">This earlier question</a> asked how many ways there were to insert the values 1 - 7 into a binary search tree that would result in the following tree:</p>
<pre><code> 4
/ \
2 6
/ \ / \
1 3 5 7
</code></pre>
<p>(The answer is 80, by the ... | 17,119,117 | 2 | 0 | null | 2013-06-15 00:35:20.263 UTC | 16 | 2016-06-13 20:43:13.55 UTC | 2017-05-23 10:30:44.547 UTC | null | -1 | null | 501,557 | null | 1 | 22 | algorithm|math|data-structures|permutation|binary-search-tree | 12,367 | <p>We can solve this using a clever recursive algorithm.</p>
<p>As our base case, if you are given an empty tree, there is exactly one way to build that tree - don't insert any values.</p>
<p>For the recursive case, let's suppose that you have a BST that looks like this:</p>
<pre><code> v
/... |
20,469,816 | Jquery, Remove class when width screen is 1050px | <p>This is the JS code i'm using:</p>
<pre><code>$("document").ready(function($){
var nav = $('#menu2');
$(window).scroll(function () {
if ($(this).scrollTop() > 90) {
nav.addClass("f-nav");
} else {
nav.removeClass("f-nav");
}
});
</code></pre>
<p>But i can't seem to get this into my ... | 20,470,584 | 5 | 8 | null | 2013-12-09 11:45:21.68 UTC | 1 | 2013-12-09 13:08:40.08 UTC | 2013-12-09 11:48:58.873 UTC | null | 2,254,448 | null | 3,082,607 | null | 1 | 7 | javascript|jquery|css | 42,093 | <p>To change <code>html</code> to <code>#menu2</code>, just replace one with the other. jQuery is pretty simple in this respect </p>
<pre class="lang-js prettyprint-override"><code>if ($(window).width() < 514) {
$('#menu2').addClass('f-nav');
} else {
$('#menu2').removeClass('f-nav');
}
</code></pre>
<p><a... |
25,893,840 | How to avoid "unable to read memory" | <p>I have a struct:</p>
<pre><code>struct a {
a(){};
a(int one,int two): a(one),b(two){};
int a;
int b;
int c;
}
a * b;
cout << b->c;
</code></pre>
<p>And sometimes when i want to read (for ex.) <code>c</code> and in debbuger this value is called </p>
<blockquote>
<p>'unable to read memory... | 25,894,046 | 1 | 7 | null | 2014-09-17 14:51:19.32 UTC | 1 | 2020-08-13 09:15:11.47 UTC | 2014-09-17 14:58:27.39 UTC | null | 3,888,427 | null | 3,888,427 | null | 1 | 7 | c++ | 49,262 | <p>You haven't initialised the pointer to point to anything, so it's invalid. You can't, in general, test whether a pointer points to a valid object. It's up to you to make sure it does; for example:</p>
<pre><code>a obj(1,2); // an object
a * b = &obj; // a pointer, pointing to obj;
cout << b->a; //... |
4,753,845 | Build Qt Tests with CMake | <p>Can anyone give me an example of some QT test code and a CMakeLists.txt that build with Cmake and ran with CTest. I can't seem to find any!</p>
<p>-Kurtis</p> | 4,757,074 | 2 | 0 | null | 2011-01-20 23:26:04.813 UTC | 8 | 2014-05-09 08:54:46.047 UTC | null | null | null | null | 527,288 | null | 1 | 28 | qt|cmake|ctest|qttest | 14,819 | <p>An example taken from <a href="https://github.com/KDAB/Charm" rel="noreferrer">Charm</a> (Tests/CMakeLists.txt):</p>
<pre><code>SET( TestApplication_SRCS TestApplication.cpp )
SET( TEST_LIBRARIES CharmCore ${QT_QTTEST_LIBRARY} ${QT_LIBRARIES} )
SET( SqLiteStorageTests_SRCS SqLiteStorageTests.cpp )
QT4_AUTOMOC( ${S... |
26,757,452 | Laravel Eloquent: Accessing properties and Dynamic Table Names | <p>I am using the Laravel Framework and this question is directly related to using Eloquent within Laravel.</p>
<p>I am trying to make an Eloquent model that can be used across the multiple different tables. The reason for this is that I have multiple tables that are essentially identical but vary from year to year, b... | 26,883,036 | 4 | 4 | null | 2014-11-05 12:40:52.06 UTC | 23 | 2019-09-10 20:06:34.46 UTC | null | null | null | null | 255,940 | null | 1 | 16 | php|laravel|laravel-4|eloquent | 17,257 | <p>I assume you know how to navigate the Laravel API / codebase since you will need it to fully understand this answer...</p>
<p><em>Disclaimer</em>: Even though I tested some cases I can't guarantee It always works. If you run into a problem, let me know and I'll try my best to help you.</p>
<p>I see you have multip... |
26,625,614 | Select query with offset limit is too much slow | <p>I have read from internet resources that a query will be slow when the offset increases. But in my case I think its too much slow. I am using <code>postgres 9.3</code></p>
<p>Here is the query (<code>id</code> is primary key):</p>
<pre><code>select * from test_table offset 3900000 limit 100;
</code></pre>
<p>It r... | 27,169,302 | 9 | 10 | null | 2014-10-29 08:22:07.007 UTC | 22 | 2022-04-10 20:18:46.037 UTC | 2014-11-25 08:20:28.87 UTC | null | 2,953,344 | null | 2,953,344 | null | 1 | 31 | postgresql|postgresql-9.1 | 27,108 | <p>It's slow because it needs to locate the top <code>offset</code> rows and scan the next 100. No amounts of optimization will change that when you're dealing with huge offsets.</p>
<p>This is because your query literally <em>instruct</em> the DB engine to visit lots of rows by using <code>offset 3900000</code> -- th... |
41,302,241 | Modal dialog with fixed header and footer and scrollable content | <p>I'm trying to create a modal dialog that has an fixed header and footer and that the content (in this case list of users) inside the modal dialog is scrollable...</p>
<p>My best attempt so far gave me the result on the image:</p>
<p><a href="https://i.stack.imgur.com/cJzqe.jpg" rel="noreferrer"><img src="https://i... | 41,302,490 | 5 | 7 | null | 2016-12-23 13:18:39.15 UTC | 3 | 2021-04-05 00:06:03.613 UTC | null | null | null | null | 7,068,325 | null | 1 | 13 | html|css|material-design|materialize | 48,013 | <p>You can try <code>max-height</code> using <code>calc()</code> function, like:</p>
<pre><code>.modal-content {
height: auto !important;
max-height: calc(100vh - 340px) !important;
}
</code></pre>
<p>Have a look at the snippet below (<em>use full screen</em>):</p>
<p><div class="snippet" data-lang="js" data-hid... |
10,045,446 | Efficient implementation of immutable (double) LinkedList | <p>Having read this question <a href="https://stackoverflow.com/questions/9009627/immutable-or-not-immutable">Immutable or not immutable?</a> and reading answers to my previous questions on immutability, I am still a bit puzzled about efficient implementation of simple LinkedList that is immutable. In terms of array th... | 10,045,677 | 3 | 0 | null | 2012-04-06 15:15:54.35 UTC | 10 | 2018-04-01 21:44:24.52 UTC | 2017-05-23 12:01:54.447 UTC | null | -1 | null | 1,094,640 | null | 1 | 10 | data-structures|linked-list|immutability | 11,046 | <blockquote>
<p>Supposedly we have a general class of Node and class LinkedList based on the above allowing the user to add, remove etc. Now, how would we ensure immutability? </p>
</blockquote>
<p>You ensure immutability by making every field of the object readonly, and ensuring that every object referred to by one... |
10,008,949 | Is it possible to get an address from coordinates using google maps? | <p>I'm just curious. Maybe for a future project. I want to know if it's possible to retrieve an address from a giving coordinate via the Google API. </p> | 10,009,027 | 3 | 0 | null | 2012-04-04 10:02:44.97 UTC | 9 | 2019-05-28 08:11:48.557 UTC | 2013-12-07 07:14:12.21 UTC | null | 881,229 | null | 186,964 | null | 1 | 23 | google-maps|google-maps-api-3 | 51,016 | <p>yes. Just use Google Geocoding and Places API <a href="https://developers.google.com/maps/documentation/geocoding/" rel="noreferrer">https://developers.google.com/maps/documentation/geocoding/</a> and <a href="https://developers.google.com/maps/documentation/places/" rel="noreferrer">https://developers.google.com/ma... |
10,046,741 | Searching full name or first or last name in MySQL database with first and last name in separate columns | <p>I'm working with an existing database that has first name and last name seperated in the database. I need to create a function that will take one search input and return results. say my database has a structure like....</p>
<pre><code>nameFirst nameLast
Joe Smith
Joe Jones
Joe Brown
</code></pre>
... | 10,046,839 | 3 | 3 | null | 2012-04-06 17:10:30.897 UTC | 7 | 2022-02-03 12:42:51.997 UTC | null | null | null | null | 1,283,726 | null | 1 | 25 | php|mysql | 38,908 | <pre><code>SELECT *
FROM table
WHERE CONCAT( nameFirst, ' ', nameLast ) LIKE '%Joe%'
</code></pre>
<p>Be sure to sanitize any user submitted parameters such as "Joe"</p> |
9,652,949 | What is the exact location of MySQL database tables in XAMPP folder? | <p>I have a MySQL database and I want to know the exact location where this data actually stored in the XAMPP folder, I went to this file location to try to get the information:</p>
<pre><code>xampp -> mysql -> data ->
</code></pre>
<p>Here I found a separate folder for each of my databases and within these ... | 9,653,025 | 10 | 0 | null | 2012-03-11 06:27:57.243 UTC | 10 | 2021-11-18 14:50:03.15 UTC | 2017-06-22 09:14:18.963 UTC | null | 6,375,113 | null | 1,196,718 | null | 1 | 40 | mysql|database|data-migration | 219,689 | <p>I think the matter is your tables engine. I guess you are using InnoDB for your table. So you can not copy files easily to make a copy.<br>
Take a look at these links:<br>
<a href="http://dev.mysql.com/doc/refman/5.0/en/innodb-backup.html">http://dev.mysql.com/doc/refman/5.0/en/innodb-backup.html</a><br>
<a href="ht... |
10,179,121 | SQL Sub queries in check constraint | <p>Can I make SQL sub queries in Check constraint ?</p>
<p>I've a <code>post</code> table with columns <code>id, owner</code><br />
I've another table <code>action</code> with columns <code>user_id, post_id</code><br />
Table <code>user</code> with columns <code>id</code></p>
<p><code>post_id -> post.id</code> and... | 10,179,366 | 1 | 2 | null | 2012-04-16 17:55:32.617 UTC | 6 | 2019-03-20 12:39:25.617 UTC | null | null | null | null | 1,234,019 | null | 1 | 56 | postgresql|foreign-key-relationship|plpgsql|check-constraints | 32,645 | <p>It is not supported to look beyond the current row in a CHECK constraint.</p>
<p><a href="http://www.postgresql.org/docs/9.1/interactive/sql-createtable.html">http://www.postgresql.org/docs/9.1/interactive/sql-createtable.html</a> says:</p>
<blockquote>
<p>A check constraint specified as a column constraint shou... |
9,956,766 | Convert string to decimal number in ruby | <p>I need to work with decimals.
In my program, the user need to put a number with decimals to convert that number.</p>
<p>The problem is: If I try to convert the argument into a number I get a integer without decimals.</p>
<pre><code># ARGV[0] is: 44.33
size = ARGV[0]
puts size.to_i
# size is: 44
# :(
</code></pre... | 9,956,784 | 4 | 0 | null | 2012-03-31 14:32:24.473 UTC | 7 | 2018-07-24 08:50:14.737 UTC | 2013-07-09 16:48:36.13 UTC | null | 1,013,719 | null | 1,248,295 | null | 1 | 65 | ruby|numbers|decimal | 91,766 | <p>You call <code>to_i</code>, you get integer.</p>
<p>Try calling <code>to_f</code>, you should get a float.</p>
<p>For more string conversion methods, <a href="http://ruby-doc.org/core-1.9.3/String.html#method-i-to_c" rel="noreferrer">look here</a>.</p> |
10,238,769 | How can I make the Android emulator show the soft keyboard? | <p>I'm debugging an issue with the soft keyboard display not displaying when it should. However, I don't have a device handy for testing. The problem is that <strong>the emulator <em>never</em> shows the soft keyboard</strong>.</p>
<p>Some skins have a keyboard constantly displayed on the right, some don't, but none... | 18,627,515 | 9 | 2 | null | 2012-04-20 00:37:36.16 UTC | 12 | 2021-08-29 14:10:16.45 UTC | 2014-10-29 16:20:09.32 UTC | null | 85,950 | null | 85,950 | null | 1 | 103 | android|android-emulator | 120,531 | <p>I found out how to do this on <strong>the Android emulator itself</strong> (Menu, "Settings" App - not the settings of the emulator outside). All you need to do is:</p>
<p>open settings app -> Language & Input -> Go to the "Keyboard & Input Methods -> click Default</p>
<p>This will br... |
9,686,538 | Align labels in form next to input | <p>I have very basic and known scenario of form where I need to align labels next to inputs correctly. However I don't know how to do it.</p>
<p>My goal would be that labels are aligned next to inputs to the right side. Here is picture example of desired result.</p>
<p><img src="https://i.stack.imgur.com/0vfJu.png" a... | 9,686,575 | 8 | 0 | null | 2012-03-13 14:57:02.197 UTC | 39 | 2020-10-09 18:50:42.59 UTC | 2016-01-07 21:06:02.74 UTC | null | 3,853,934 | null | 440,611 | null | 1 | 160 | html|css|alignment | 418,645 | <blockquote>
<p><strong>WARNING: OUTDATED ANSWER</strong></p>
<p>Nowadays you should definitely avoid using fixed widths. You could use flexbox or CSS grid to come up with a responsive solution. See the other answers.</p>
</blockquote>
<hr />
<p>One possible solution:</p>
<ul>
<li>Give the labels <code>display: inline-... |
8,129,040 | proguard Missing type parameter | <p>i try obfuscate my code of android app with <code>ProGuard</code>. But after this my app give exception at running: </p>
<pre><code>11-15 01:46:26.818: W/System.err(21810): java.lang.RuntimeException: Missing type parameter.
11-15 01:46:26.828: W/System.err(21810): at da.<init>(Unknown Source)
11-15 01:46... | 8,181,232 | 3 | 1 | null | 2011-11-14 22:21:54.407 UTC | 13 | 2022-06-06 16:21:16.677 UTC | 2011-12-16 04:42:01.797 UTC | null | 210,916 | null | 968,927 | null | 1 | 32 | android|proguard | 16,034 | <p>answer is: use this proguard.cfg</p>
<pre><code>##---------------Begin: proguard configuration common for all Android apps ----------
-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontskipnonpubliclibraryclassmembers
-dontpreverify
-verbose
-dump class_files.txt
-printseeds se... |
7,807,360 | How to Get Pixel Color in Android | <p>I'm using Intent to call and show an image from Gallery, and now I made it enable to get me the coordinates of the image in a TextView using these:</p>
<pre><code>final TextView textView = (TextView)findViewById(R.id.textView);
final TextView textViewCol = (TextView)findViewById(R.id.textViewColor);
targetImage.se... | 7,807,442 | 3 | 0 | null | 2011-10-18 12:41:14.643 UTC | 23 | 2018-08-07 12:50:16.053 UTC | 2018-08-07 12:50:16.053 UTC | null | 4,286,992 | null | 989,062 | null | 1 | 60 | android|pixel | 102,523 | <p>You can get the pixel from the view like this:</p>
<pre><code>ImageView imageView = ((ImageView)v);
Bitmap bitmap = ((BitmapDrawable)imageView.getDrawable()).getBitmap();
int pixel = bitmap.getPixel(x,y);
</code></pre>
<p>Now you can get each channel with:</p>
<pre><code>int redValue = Color.red(pixel);
int blueV... |
11,462,901 | cluster presentation dendrogram alternative in r | <p>I know dendrograms are quite popular. However if there are quite large number of observations and classes it hard to follow. However sometime I feel that there should be better way to present the same thing. I got an idea but do not know how to implement it. </p>
<p>Consider the following dendrogram.</p>
<pre><cod... | 11,466,725 | 1 | 4 | null | 2012-07-13 01:22:18.087 UTC | 9 | 2013-11-03 17:50:01.9 UTC | 2013-11-03 17:50:01.9 UTC | null | 508,666 | null | 1,502,364 | null | 1 | 7 | r|hierarchical-clustering|dendrogram|phylogeny | 3,343 | <p>You are describing a fairly typical way of going about cluster analysis:</p>
<ul>
<li>Use a clustering algorithm (in this case hierarchical clustering)</li>
<li>Decide on the number of clusters</li>
<li>Project the data in a two-dimensional plane using some form or principal component analysis</li>
</ul>
<p>The co... |
11,523,888 | HTML: HTML5 Placeholder attribute in password field issue- shows normal text? | <p>I am making a Login form, in which there are two fields- </p>
<p>simplified:</p>
<pre><code><input type="text">
<input type="password" placeholder="1234567" >
</code></pre>
<p><strike>In my tests (FF, Chrome) the placeholer shows grey text.
How can I have the placeholder text in password 'dots' ?</str... | 11,524,221 | 3 | 8 | null | 2012-07-17 13:48:01.48 UTC | 3 | 2020-04-01 21:47:22.03 UTC | 2012-07-17 14:05:29.053 UTC | null | 1,458,383 | null | 1,458,383 | null | 1 | 10 | javascript|html|passwords|placeholder | 47,932 | <p>Try using the password dot code in the placeholder like so:</p>
<pre><code>placeholder="&#9679;&#9679;&#9679;&#9679;&#9679;"
</code></pre>
<p>For support in IE please refer to other threads such as
<a href="https://stackoverflow.com/questions/6052544/showing-placeholder-text-for-password-field... |
12,043,913 | Python and Powers Math | <p>I've been learning Python but I'm a little confused. Online instructors tell me to use the operator ** as opposed to ^ when I'm trying to raise to a certain number. Example:</p>
<pre><code>print 8^3
</code></pre>
<p>Gives an output of 11. But what I'm look for (I'm told) is more akin to: print 8**3 which gives the... | 12,043,968 | 3 | 3 | null | 2012-08-20 19:31:45.493 UTC | 5 | 2020-06-30 15:10:03.073 UTC | null | null | null | null | 1,527,653 | null | 1 | 43 | python|math|multiplication|exponent | 97,656 | <p>Operator <code>^</code> is a <a href="http://wiki.python.org/moin/BitwiseOperators" rel="noreferrer"><em>bitwise operator</em></a>, which does <strong>bitwise exclusive or</strong>.</p>
<p><a href="http://docs.python.org/reference/expressions.html#the-power-operator" rel="noreferrer">The power operator</a> is <code>... |
11,779,679 | Setting Android Theme background color | <p>I'm trying to modify the default background theme color, which should be easy but surprisingly I can't get it working. Please note that I want the change to be across the entire app, not just for a single activity. Here is my code: </p>
<p>styles.xml</p>
<pre><code><resources>
<color name="white_opaq... | 11,781,005 | 3 | 3 | null | 2012-08-02 14:32:41.883 UTC | 12 | 2020-01-22 08:13:49.283 UTC | 2020-01-22 08:13:49.283 UTC | null | 11,348,074 | null | 948,781 | null | 1 | 125 | android|android-theme | 186,358 | <p>Okay turned out that I made a really silly mistake. The device I am using for testing is running Android 4.0.4, API level 15.</p>
<p>The styles.xml file that I was editing is in the default values folder. I edited the styles.xml in values-v14 folder and it works all fine now. </p> |
3,919,850 | Conversion from 'myItem*' to non-scalar type 'myItem' requested | <p>I have this C++ code:</p>
<pre><code>#include <iostream>
using namespace std;
struct MyItem
{
int value;
MyItem* nextItem;
};
int main() {
MyItem item = new MyItem;
return 0;
}
</code></pre>
<p>And I get the error:</p>
<pre><code>error: conversion from `MyItem*' to non-scalar type `MyItem' requ... | 3,919,855 | 4 | 0 | null | 2010-10-12 23:38:44.457 UTC | 5 | 2021-01-01 06:50:02.733 UTC | 2014-11-22 18:06:50.303 UTC | null | 635,608 | null | 351,980 | null | 1 | 31 | c++|new-operator | 105,260 | <p>Try:</p>
<pre><code>MyItem * item = new MyItem;
</code></pre>
<p>But do not forget to delete it after usage:</p>
<pre><code>delete item;
</code></pre> |
3,426,360 | Azure SQL Database Web vs Business Edition | <p>Is there any difference between the Web Edition and Business Edition of Azure SQL Database other than the maximum supported database sizes? I'm assuming the naming has some significance but all of the information I find simply talks about the max db size. I want to know if there are any other differences such as SLA... | 3,521,506 | 4 | 1 | null | 2010-08-06 17:49:26.327 UTC | 15 | 2015-06-29 14:52:37.74 UTC | 2015-06-29 14:52:37.74 UTC | null | 4,102,957 | null | 43,406 | null | 1 | 63 | azure|azure-sql-database | 18,310 | <p>The two editions are identical except for capacity. Both offer the same replication and SLA.</p>
<p><strong>EDIT April 3, 2014 - Updated to reflect SQL Database size limit now at 500GB</strong></p>
<p><strong>EDIT June 17, 2013: Since I originally posted this answer, a few things have changed with pricing (but the... |
3,483,318 | Performing regex queries with PyMongo | <p>I am trying to perform a regex query using PyMongo against a MongoDB server. The document structure is as follows</p>
<pre><code>{
"files": [
"File 1",
"File 2",
"File 3",
"File 4"
],
"rootFolder": "/Location/Of/Files"
}
</co... | 3,483,399 | 4 | 0 | null | 2010-08-14 12:42:24.147 UTC | 43 | 2021-03-18 19:05:47.427 UTC | 2021-03-18 19:05:47.427 UTC | null | 3,964,927 | null | 42,069 | null | 1 | 145 | mongodb|pymongo | 89,167 | <p>Turns out regex searches are done a little differently in pymongo but is just as easy. </p>
<p>Regex is done as follows :</p>
<pre><code>db.collectionname.find({'files':{'$regex':'^File'}})
</code></pre>
<p>This will match all documents that have a files property that has a item within that starts with File</p> |
3,527,621 | how to pause and resume a surfaceView thread | <p>I have a surfaceView setup and running, but when I resume it I get an error that the thread has already been started. What's the proper way to handle when the app goes to the background and then back to the foreground? I've tinkered around and managed to get the app to come back without crashing... but the surfaceVi... | 3,596,395 | 7 | 0 | null | 2010-08-20 01:41:27.67 UTC | 23 | 2018-06-18 15:37:49.81 UTC | 2018-06-18 15:37:49.81 UTC | null | 11,732,320 | null | 385,051 | null | 1 | 15 | android|multithreading|surfaceview | 41,342 | <p>The easy solution is to simply kill and restart the thread. Create methods resume() - creates thread object and starts it - and pause() - kills thread (see Lunarlander example) - in your SurfaceView class and call these from surfaceCreated and surfaceDestroyed to start and stop the thread.</p>
<p>Now in the Activit... |
3,402,295 | HTML table with horizontal scrolling (first column fixed) | <p>I have been trying to think of a way to make a table with a fixed first column (and the rest of the table with a horizontal overflow) I saw a post which had a similar question. but the fixed column bit did not seem to be resolved. Help?</p> | 3,416,518 | 7 | 2 | null | 2010-08-04 03:06:02.457 UTC | 35 | 2022-06-03 16:28:56.687 UTC | 2013-12-10 18:20:59.16 UTC | null | 1,708,520 | null | 380,213 | null | 1 | 75 | html|overflow|html-table|fixed | 227,122 | <p>I have a similar table styled like so:</p>
<pre><code><table style="width:100%; table-layout:fixed">
<tr>
<td style="width: 150px">Hello, World!</td>
<td>
<div>
<pre style="margin:0; overflow:scroll">My preformatted content<... |
3,426,498 | Online Internet Explorer Simulators | <p>(Tried to find simular questions / duplicates, failed)</p>
<p>I develop on a mac. I love my mac. I develop using Chrome, Firefox, and Safari. I love them all for different reasons.</p>
<p>But I have to develop for Internet Explorer users as well. </p>
<p>I know, I am not unique here.</p>
<p>I enjoy using the web... | 3,426,579 | 12 | 2 | null | 2010-08-06 18:07:36.263 UTC | 22 | 2021-08-26 22:41:15.093 UTC | null | null | null | null | 190,902 | null | 1 | 74 | internet-explorer|internet-explorer-8|internet-explorer-6|internet-explorer-7|cross-browser | 219,036 | <p>You could try <a href="http://getfirebug.com/firebuglite" rel="noreferrer">Firebug Lite</a></p>
<p>It's a pure JavaScript-implementation of Firebug that runs directly in any browser (at least in all major ones: IE6+, Firefox, Opera, Safari and Chrome)</p>
<p>You'll still need the VM to actually run IE, but at leas... |
7,862,316 | iOS5 NSURLConnection methods deprecated | <p>I'm trying to write an iOS app that makes asynchronous requests to get data over the network. It seems like a lot of people recommend using NSURLConnection for this, and frequently mention the delegate method connection:didReceiveData:.</p>
<p>Unfortunately, I cannot for the life of me find out where this delegate ... | 7,862,856 | 4 | 1 | null | 2011-10-22 20:18:11.237 UTC | 13 | 2018-03-20 07:30:39.233 UTC | null | null | null | null | 996,334 | null | 1 | 66 | ios|ios5 | 18,862 | <p>Fishing around the header files tells me that the methods were moved from an informal protocol (which is a deprecated Obj-C pattern) into a formal delegate protocol called <code>NSURLConnectionDataDelegate</code> that's in <code>NSURLConnection.h</code>, but doesn't have a public documentation. </p>
<p>The rest of ... |
8,004,765 | CSS \9 in width property | <p>What is the meaning of this? I am guessing it is a browser hack, but I have not been able to find what exactly it does.</p>
<pre><code>width: 500px\9;
</code></pre>
<p>What is the significance of <code>\9</code>?</p> | 8,004,962 | 4 | 5 | null | 2011-11-04 04:06:03.307 UTC | 43 | 2020-05-06 08:36:12.967 UTC | 2016-01-06 12:30:38.48 UTC | null | 1,660,032 | null | 507,737 | null | 1 | 218 | css|width|css-hack | 80,015 | <p><code>\9</code> is a "CSS hack" specific to Internet Explorer 7, 8, & 9.</p>
<p>This simply means that the one specific line of CSS ending with a <code>\9;</code> in place of the <code>;</code> is only valid in IE 7, 8, & 9.</p>
<p>In your example,</p>
<p><code>width: 500px\9;</code> means that a width of... |
7,850,125 | Convert "this" pointer to string | <p>In a system where registered objects must have unique names, I want to use/include the object's <code>this</code> pointer in the name. I want the simplest way to create <code>???</code> where:</p>
<p><code>std::string name = ???(this);</code></p> | 7,850,160 | 5 | 12 | null | 2011-10-21 13:31:10.853 UTC | 10 | 2011-10-21 14:44:38.393 UTC | null | null | null | null | 197,229 | null | 1 | 23 | c++|pointers|stl | 53,697 | <p>You could use string representation of the address:</p>
<pre><code>#include <sstream> //for std::stringstream
#include <string> //for std::string
const void * address = static_cast<const void*>(this);
std::stringstream ss;
ss << address;
std::string name = ss.str();
</code></pre> |
4,541,190 | How to close a thread from within? | <p>For every client connecting to my server I spawn a new thread, like this:</p>
<pre><code># Create a new client
c = Client(self.server.accept(), globQueue[globQueueIndex], globQueueIndex, serverQueue )
# Start it
c.start()
# And thread it
self.threads.append(c)
</code></pre>
<p>Now, I know I can close <em>all</em... | 4,541,213 | 4 | 1 | null | 2010-12-27 19:20:38.46 UTC | 18 | 2019-03-27 15:08:13.83 UTC | 2017-01-10 20:53:45.807 UTC | null | 355,230 | null | 233,428 | null | 1 | 60 | python|multithreading | 193,400 | <p>When you start a thread, it begins executing a function you give it (if you're extending <code>threading.Thread</code>, the function will be <code>run()</code>). To end the thread, just return from that function.</p>
<p>According to <a href="https://docs.python.org/3/library/threading.html" rel="noreferrer">this</a... |
4,340,040 | HTML5 Canvas Vector Graphics? | <p>Please tell me what libraries for drawing and handling of vector graphics within HTML5 Canvas do you know?</p>
<p>Thank you!!!</p> | 4,413,041 | 5 | 1 | null | 2010-12-02 21:19:59.623 UTC | 35 | 2022-03-10 07:54:35.043 UTC | null | null | null | null | 352,555 | null | 1 | 47 | html|canvas|vector-graphics | 54,610 | <p>There are a few options. I haven't used either of these libraries, but from what I can tell Cake seems generally more impressive, and imported, while also being three times as large. There is also the Burst Engine, currently an extension of processing.js, which is even smaller. I'm sure there are several more out th... |
4,159,950 | How do I delete a remote branch in Git? | <p>I created a branch <code>notmaster</code> to commit as well as push some changes. When I was finished with that branch, I merged the changes back into <code>master</code>, pushed them out, and then deleted the local <code>notmaster</code>.</p>
<pre><code>$ git branch -a
* master
remotes/origin/master
remotes/or... | 4,159,972 | 6 | 1 | null | 2010-11-11 22:35:04.147 UTC | 18 | 2017-12-06 07:19:57.38 UTC | 2017-05-23 12:26:05.15 UTC | null | -1 | null | 478,288 | null | 1 | 93 | git | 22,296 | <p><code>git push origin :notmaster</code>, which basically means "push nothing to the notmaster remote".</p> |
4,639,372 | Export to csv in jQuery | <p>I am dynamically generating a div which is like :</p>
<pre><code><div id='PrintDiv'>
<table id="mainTable">
<tr>
<td>
Col1
</td>
<td>
Col2
</td>
... | 7,588,465 | 8 | 5 | null | 2011-01-09 13:31:41.54 UTC | 40 | 2020-09-06 00:03:15.237 UTC | 2014-08-07 18:16:54.367 UTC | null | 237,838 | null | 368,472 | null | 1 | 46 | javascript|asp.net|jquery|csv | 130,124 | <p>You can do that in the client side only, in browser that accept <a href="http://en.wikipedia.org/wiki/Data_URI" rel="nofollow noreferrer">Data URIs</a>:</p>
<pre><code>data:application/csv;charset=utf-8,content_encoded_as_url
</code></pre>
<p>In your example the Data URI must be:</p>
<pre><code>data:application/csv;... |
4,614,671 | PHP session is not working | <p>I am working with wamp2.0 - PHP 5.3, apache 2.2.11 but my sessions are not storing data.</p>
<p>I have a page that accepts a parameter, which (simplified version) I wanna store in a session, so when I come to</p>
<pre><code>http://www.example.com/home.php?sessid=db_session_id
</code></pre>
<p>The script looks lik... | 14,274,023 | 9 | 9 | null | 2011-01-06 11:59:57.25 UTC | 0 | 2017-09-23 20:35:21.897 UTC | 2012-12-18 11:33:36.487 UTC | null | 367,456 | null | 513,768 | null | 1 | 6 | php|session|iframe|wamp | 45,786 | <p>A frame can access the session only if it's relative to the same domain. For example:</p>
<pre><code><?
$_SESSION["foo"]="foo";
?><html>
<body>
<iframe src ="test.php" width="200" height="200"></iframe>
</body>
</html>
<?
print_r($_SESSION);
?>
</code></p... |
14,465,297 | Connected Component Labeling - Implementation | <p>I have asked a similar question some days ago, but I have yet to find an efficient way of solving my problem.
I'm developing a simple console game, and I have a 2D array like this:</p>
<pre><code>1,0,0,0,1
1,1,0,1,1
0,1,0,0,1
1,1,1,1,0
0,0,0,1,0
</code></pre>
<p>I am trying to find all the areas that consist of ne... | 14,466,081 | 5 | 2 | null | 2013-01-22 18:14:37.457 UTC | 17 | 2019-09-14 11:39:12.47 UTC | 2019-09-14 11:39:12.47 UTC | null | 195,787 | user1981497 | null | null | 1 | 26 | algorithm|image-processing|multidimensional-array|area|neighbours | 30,266 | <p>I'll first give you the code and then explain it a bit:</p>
<pre class="lang-cpp prettyprint-override"><code>// direction vectors
const int dx[] = {+1, 0, -1, 0};
const int dy[] = {0, +1, 0, -1};
// matrix dimensions
int row_count;
int col_count;
// the input matrix
int m[MAX][MAX];
// the labels, 0 means unlabe... |
14,422,340 | MANIFEST.in, package_data, and data_files clarification? | <p>I am trying to create a Python package, and I have a directory structure like this:</p>
<pre><code>mypkg/
├── __init__.py
├── module1
│ ├── x.py
│ ├── y.py
│ └── z.txt
└── module2
├── a.py
└── b.py
</code></pre>
<p>Then I added all the files in <code>MANIFEST.in</code> and when I check the created ar... | 14,427,680 | 2 | 2 | null | 2013-01-20 06:45:04.583 UTC | 4 | 2017-11-15 13:07:22.753 UTC | 2017-11-15 13:07:22.753 UTC | null | 219,519 | null | 1,979,362 | null | 1 | 32 | python|setuptools|distutils | 8,013 | <p>Update: It got fixed when I started using setuptools instead of distutils.core. I think it was some problem with distutils not agreeing with manifest while setuptools worked without any changes in the code. I recommend using setuptools in the future. Using the link <a href="http://peak.telecommunity.com/DevCenter/se... |
14,370,972 | How to attach a process in gdb | <p>I have a simple C program that forks a process and then runs an executable. </p>
<p>I want to attach the child process to gdb. </p>
<p>I run the main program in a console and open another console to find the pid of the child process, then I start gdb with the following command:</p>
<pre><code>gdb attach 12271
</c... | 14,371,557 | 3 | 2 | null | 2013-01-17 01:47:36.36 UTC | 6 | 2020-10-28 15:49:00.767 UTC | 2018-01-27 21:32:28.337 UTC | null | 320,594 | null | 1,029,808 | null | 1 | 79 | unix|gdb | 134,725 | <p>Try one of these:</p>
<pre><code>gdb -p 12271
gdb /path/to/exe 12271
gdb /path/to/exe
(gdb) attach 12271
</code></pre> |
14,517,546 | How can a C++ header file include implementation? | <p>Ok, not a C/C++ expert by any means, but I thought the point of a header file was to declare the functions, then the C/CPP file was to define the implementation.</p>
<p>However, reviewing some C++ code tonight, I found this in a class's header file...</p>
<pre><code>public:
UInt32 GetNumberChannels() const { r... | 14,517,957 | 7 | 11 | null | 2013-01-25 07:50:04.703 UTC | 39 | 2019-08-08 07:32:57.39 UTC | 2018-02-04 00:51:54.45 UTC | null | 168,179 | null | 168,179 | null | 1 | 111 | c++|header-files | 120,972 | <blockquote>
<p>Ok, not a C/C++ expert by any means, but I thought the point of a header file was to declare the functions, then the C/CPP file was to define the implementation.</p>
</blockquote>
<p>The true purpose of a header file is to share code amongst multiple source files. It is <strong>commonly</strong> use... |
14,893,399 | Rebase feature branch onto another feature branch | <p>I have two (private) feature branches that I'm working on.</p>
<pre><code>a -- b -- c <-- Master
\ \
\ d -- e <-- Branch1
\
f -- g <-- Branch2
</code></pre>
<p>After working on these branches a little while I've discovered that I n... | 14,893,561 | 4 | 5 | null | 2013-02-15 11:09:24.41 UTC | 102 | 2021-06-17 11:00:27.183 UTC | 2018-08-21 14:10:20.31 UTC | null | 582,821 | null | 537,542 | null | 1 | 406 | git|git-rebase|feature-branch | 299,866 | <ol>
<li><p>Switch to Branch2</p>
<pre><code>git checkout Branch2
</code></pre></li>
<li><p>Apply the current (Branch2) changes on top of the Branch1 changes, staying
in Branch2:</p>
<pre><code>git rebase Branch1
</code></pre></li>
</ol>
<p>Which would leave you with the desired result in Branch2: </p>
<pre><code>... |
2,757,911 | How to decode the url in php where url is encoded with encodeURIComponent() | <p>How to decode the url in php where url is encoded with encodeURIComponent()? </p>
<p>I have tried the urldecode() but then also..i don't the url which i have encoded...</p>
<p>I have to do this in php..</p> | 2,757,939 | 2 | 0 | null | 2010-05-03 12:19:48.133 UTC | 9 | 2018-10-25 00:03:21.517 UTC | null | null | null | null | 310,921 | null | 1 | 21 | php|javascript|urlencode|urldecode | 33,513 | <p>You should use <code>rawurldecode()</code>.<br>
See the <a href="http://www.php.net/manual/en/function.rawurldecode.php" rel="noreferrer">Manual</a></p> |
2,903,481 | Using scala.util.control.Exception | <p>Does anybody have good examples of using <a href="http://www.scala-lang.org/api/2.12.0/scala/util/control/Exception$.html" rel="nofollow noreferrer"><code>scala.util.control.Exception</code> version 2.12.0</a> (<a href="http://www.scala-lang.org/api/2.8.0/scala/util/control/Exception$.html" rel="nofollow noreferrer"... | 2,903,826 | 2 | 0 | null | 2010-05-25 09:37:34.673 UTC | 9 | 2017-03-03 11:47:25.57 UTC | 2017-03-03 11:47:25.57 UTC | null | 3,165,552 | null | 9,204 | null | 1 | 31 | scala|scala-2.8 | 5,389 | <p>Indeed - I also find it pretty confusing! Here's a problem where I have some property which may be a parseable date:</p>
<pre><code>def parse(s: String) : Date = new SimpleDateFormat("yyyy-MM-dd").parse(s)
def parseDate = parse(System.getProperty("foo.bar"))
type PE = ParseException
import scala.util.control.Excep... |
2,265,089 | Android game loop, how to control speed and frame rate | <p>I've written a game for Android, and I've tested it on the Dev Phone 1. It works perfectly, the speed is just right. However, I'm sure phone CPU's are getting faster. They may already be faster than the dev phone.</p>
<p>How do I make sure that my game runs at the exact same speed no matter what the device or ho... | 2,265,447 | 1 | 1 | null | 2010-02-15 09:56:46.51 UTC | 11 | 2010-02-15 11:06:48.65 UTC | null | null | null | null | 179,518 | null | 1 | 19 | android|cpu-speed | 18,004 | <p>If you are targeting certain frame rate, the basic idea is that you should have a timer or thread that executes your game's tick method at desired intervals. With timers the implementation is pretty trivial: just schedule a timer to execute at regular intervals. When using threads you have to put the thread to sleep... |
53,747,772 | Is it possible to make a parameterized scripted pipeline in Jenkins by listing the parameters in actual script, not in job config | <p>In a <a href="https://jenkins.io/doc/book/pipeline/#pipeline-syntax-overview" rel="noreferrer">declarative pipeline</a>, I can specify the parameter that the pipeline expects right in the pipeline script like so:</p>
<pre><code>pipeline {
parameters([
string(name: 'DEPLOY_ENV', defaultValue: 'TESTING' )
]... | 53,750,165 | 4 | 0 | null | 2018-12-12 16:52:51.53 UTC | 4 | 2022-03-30 09:51:51.737 UTC | 2018-12-13 17:58:24.39 UTC | null | 366,749 | null | 738,807 | null | 1 | 27 | jenkins|jenkins-pipeline | 42,918 | <p>I found a solution by experimentation so want to share it:</p>
<pre><code>properties(
[
parameters([
string(defaultValue: '/data', name: 'Directory'),
string(defaultValue: 'Dev', name: 'DEPLOY_ENV')
])
]
)
node {
// params.DEPLOY_ENV ...
}
</code></pre> |
40,522,634 | Can I pass parameters in computed properties in Vue.Js | <p>is this possible to pass parameter in computed properties in Vue.Js. I can see when having getters/setter using computed, they can take a parameter and assign it to a variable. like here from <a href="https://v2.vuejs.org/v2/guide/computed.html" rel="noreferrer">documentation</a>:</p>
<pre class="lang-vue prettyprin... | 40,539,522 | 10 | 1 | null | 2016-11-10 08:06:34.323 UTC | 49 | 2022-08-17 13:58:03.93 UTC | 2022-07-13 22:47:35.917 UTC | null | 6,277,151 | null | 1,610,034 | null | 1 | 317 | javascript|vue.js|vuejs2 | 313,618 | <p>Most probably you want to use a method</p>
<pre><code><span>{{ fullName('Hi') }}</span>
methods: {
fullName(salut) {
return `${salut} ${this.firstName} ${this.lastName}`
}
}
</code></pre>
<hr />
<h2>Longer explanation</h2>
<p>Technically you can use a computed property with a parameter like th... |
48,828,478 | How do you use Keras LeakyReLU in Python? | <p>I am trying to produce a CNN using Keras, and wrote the following code:</p>
<pre><code>batch_size = 64
epochs = 20
num_classes = 5
cnn_model = Sequential()
cnn_model.add(Conv2D(32, kernel_size=(3, 3), activation='linear',
input_shape=(380, 380, 1), padding='same'))
cnn_model.add(Activation('re... | 48,828,561 | 3 | 0 | null | 2018-02-16 14:02:47.503 UTC | 3 | 2022-07-07 13:11:35.607 UTC | 2021-02-26 19:54:53.013 UTC | null | 4,685,471 | null | 9,340,209 | null | 1 | 42 | python|machine-learning|keras|neural-network | 71,016 | <p>All advanced activations in Keras, including <code>LeakyReLU</code>, are available as <a href="https://keras.io/layers/advanced-activations/" rel="noreferrer">layers</a>, and not as activations; therefore, you should use it as such:</p>
<pre><code>from keras.layers import LeakyReLU
# instead of cnn_model.add(Activ... |
27,743,339 | Strange behaviour of images in RecyclerView | <p>I am using android.support.v7.widget.RecyclerView to show simple items containing text and in some cases also images. Basically I followed the tutorial from here <a href="https://developer.android.com/training/material/lists-cards.html" rel="noreferrer">https://developer.android.com/training/material/lists-cards.htm... | 27,743,634 | 3 | 0 | null | 2015-01-02 13:58:25.467 UTC | 16 | 2018-03-08 13:15:28.8 UTC | 2018-03-08 13:15:28.8 UTC | null | 6,618,622 | null | 3,647,974 | null | 1 | 34 | android|imageview|arrays|android-recyclerview|android-cardview | 38,970 | <p>I think you need to add an <code>else</code> clause to your <code>if ( object.has("image") )</code> statement in the <code>onBindViewHolder(ViewHolder holder, int position)</code> method, setting the image to null:</p>
<pre><code>holder.image.setImageDrawable(null);
</code></pre>
<p>I think <a href="https://develo... |
50,536,292 | Difference between antMatcher and mvcMatcher | <p>What is difference of <code>HttpSecurity</code>'s <code>antMatcher()</code> and <code>mvcMatcher()</code> functions?</p>
<p>Could anyone explain when to use them ?</p> | 57,373,627 | 3 | 0 | null | 2018-05-25 20:16:21.08 UTC | 13 | 2021-02-16 23:23:27.313 UTC | 2019-08-06 09:53:00.193 UTC | null | 4,390,212 | null | 9,172,501 | null | 1 | 53 | spring|spring-security | 23,156 | <p>As this methods' signatures clearly say is also stated in the <a href="https://docs.spring.io/spring-security/site/docs/current/api/org/springframework/security/config/annotation/web/builders/HttpSecurity.html" rel="noreferrer">official documentation</a> -</p>
<blockquote>
<p><code>antMatcher(String antPattern)</cod... |
34,524,390 | Regex to match a variable in Batch scripting | <pre><code>@echo off
SET /p var=Enter:
echo %var% | findstr /r "^[a-z]{2,3}$">nul 2>&1
if errorlevel 1 (echo does not contain) else (echo contains)
pause
</code></pre>
<p>I'm trying to valid a input which should contain 2 or 3 letters. But I tried all the possible answer, it only runs <code>if error level ... | 34,525,752 | 4 | 0 | null | 2015-12-30 06:49:00.44 UTC | 2 | 2020-04-18 05:05:32.66 UTC | 2015-12-30 06:59:23.093 UTC | null | 4,158,862 | null | 3,666,807 | null | 1 | 19 | regex|batch-file | 56,331 | <p><code>findstr</code> has no full REGEX Support. Especially no <code>{Count}</code>. You have to use a workaround:</p>
<pre><code>echo %var%|findstr /r "^[a-z][a-z]$ ^[a-z][a-z][a-z]$"
</code></pre>
<p>which searches for <code>^[a-z][a-z]$</code> OR <code>^[a-z][a-z][a-z]$</code></p>
<p>(Note: there is no space be... |
34,878,848 | Control bar border (color) thickness with ggplot2 stroke | <p>Is it possible to use the stroke argument introduced with <code>ggplot2 2.0</code> to adjust the thickness of borders around bars? If not, is there a way to control bar-border thickness along the lines of point-border thickness? <a href="https://stackoverflow.com/questions/19506630/control-point-border-thickness-i... | 34,884,392 | 1 | 0 | null | 2016-01-19 14:04:15.41 UTC | 6 | 2020-02-22 03:42:29.817 UTC | 2017-05-23 11:47:13.79 UTC | null | -1 | null | 2,583,119 | null | 1 | 18 | r|ggplot2|geom-bar | 42,083 | <p>well as I suggested by the OP, I will just recopy my comment as an answer.</p>
<p>you just need to set <code>size</code> in your <code>geom_bar()</code> expression:</p>
<pre><code>geom_bar(stat = "identity", aes(fill = "transparent", size = ifelse(factor2 == "A", 2, 1)), size=2)
</code></pre> |
29,148,274 | Define the selected option with the old input in Laravel / Blade | <p>I have this code:</p>
<pre><code><select required="required" class="form-control" name="title">
<option></option>
@foreach ($titles as $key => $val)
@if (stristr($key, 'isGroup'))
<optgroup label="{{ $val }}">
@else
<option value="{{ $key }}"... | 29,148,393 | 22 | 0 | null | 2015-03-19 15:11:14.15 UTC | 14 | 2022-07-26 15:56:09.683 UTC | 2015-03-19 15:21:37.417 UTC | null | 4,124,475 | null | 4,124,475 | null | 1 | 61 | laravel|laravel-4|laravel-blade | 173,617 | <p>The solution is to compare <code>Input::old()</code> with the <code>$key</code>variable using <a href="https://laravel.com/docs/8.x/blade#if-statements" rel="noreferrer">Blade Directives - If Statements</a>.</p>
<pre><code>@if (Input::old('title') == $key)
<option value="{{ $key }}" selected>{{ $... |
36,429,732 | How make lodash _.replace all occurrence in a string? | <p>How to replace each occurrence of a string pattern in a string by another string? </p>
<pre><code>var text = "azertyazerty";
_.replace(text,"az","qu")
</code></pre>
<p>return <code>quertyazerty</code></p> | 36,429,733 | 4 | 0 | null | 2016-04-05 14:48:01.547 UTC | 6 | 2020-06-04 00:36:00.873 UTC | 2019-01-30 03:50:03.227 UTC | null | 1,033,581 | null | 2,733,216 | null | 1 | 40 | javascript|string|lodash | 68,114 | <p>you have to use the RegExp with global option offered by lodash.</p>
<p>so just use </p>
<pre><code>var text = "azertyazerty";
_.replace(text,new RegExp("az","g"),"qu")
</code></pre>
<p>to return <code>quertyquerty</code></p> |
65,003,024 | Replicating claims as headers is deprecated and will removed from v4.0 - Laravel Passport Problem in lcobucci/jwt package | <p>I'm using <code>laravel/passport:7.5.1</code> package in my laravel project and recently faced with this exception. Any Idea? I temperory downgrade the <code>lcobucci/jwt:3.4.0</code> package to <code>lcobucci/jwt:3.3.3</code></p>
<pre><code>Replicating claims as headers is deprecated and will removed from v4.0. Pl... | 65,005,348 | 3 | 1 | null | 2020-11-25 10:43:13.367 UTC | 6 | 2021-04-12 01:39:08.547 UTC | 2020-11-25 11:04:31.843 UTC | null | 2,696,125 | null | 2,696,125 | null | 1 | 52 | php|laravel|laravel-passport|thephpleague | 33,575 | <p>I'm deeply sorry for causing confusion or issues. Please check <a href="https://github.com/lcobucci/jwt/issues/550#issuecomment-733557709" rel="noreferrer">https://github.com/lcobucci/jwt/issues/550#issuecomment-733557709</a> for my full explanation on why this approach was taken and why it isn't considered a BC-bre... |
26,357,340 | ASP.MVC HandleError attribute doesn't work | <p>I know it's a common issue but I've crawled many discussions with no result.</p>
<p>I'm trying to handle errors with the HandleError ASP.MVC attrbiute. I'm using MVC 4.</p>
<p>My Error page is places in Views/Shared/Error.cshtml and looks like that:</p>
<pre><code>Test error page
<hgroup class="title">
... | 26,359,455 | 5 | 0 | null | 2014-10-14 09:34:17.147 UTC | 9 | 2017-06-13 00:33:21.523 UTC | 2014-10-14 13:39:12.88 UTC | null | 3,775,079 | null | 3,775,079 | null | 1 | 9 | c#|.net|asp.net-mvc|asp.net-mvc-4 | 17,194 | <p>Over the years I have struggled to implement "handling custom errors" in ASP.NET MVC smoothly.</p>
<p>I have had successfully used Elmah before however was overwhelmed with the numerous cases that needs to be handled and tested differently (i.e. local vs IIS).</p>
<p>Recently in one of my project which is now live... |
26,369,834 | Stored procedure error PLS-00201: identifier 'UTL_HTTP' must be declared | <p>I am trying to create a stored procedure that request some XML data from a service. I have found several examples on-line and all of them point to using this UTL_HTTP package. However, every time I tried to compile my store procedure with that I get the error:</p>
<pre><code>PLS-00201: identifier 'UTL_HTTP' must be... | 26,370,666 | 1 | 0 | null | 2014-10-14 20:36:41.58 UTC | 3 | 2014-10-14 21:29:16.323 UTC | null | null | null | null | 892,060 | null | 1 | 9 | oracle|stored-procedures | 43,074 | <p>As you already figured out yourself, this seems to be a permission problem. Your user does somehow not have access to the UTL_HTTP package. Make sure your user has the EXECUTE permission on the package:</p>
<pre><code>GRANT EXECUTE ON SYS.UTL_HTTP TO my_user;
</code></pre>
<p>Note that you might have to do this as... |
27,964,611 | How to set onclick listener for a button in a fragment in android | <p>My app contains a form as shown in the following image:</p>
<p><img src="https://i.stack.imgur.com/O366nl.png" alt="register screenshot"></p>
<p>When I click on menu options button, the drawer opens as shown in the following image:
<img src="https://i.stack.imgur.com/aDUt0l.png" alt="select screenshot"></p>
<p>I ... | 27,964,693 | 3 | 0 | null | 2015-01-15 13:33:02.983 UTC | 4 | 2020-01-16 13:26:11.64 UTC | 2017-04-02 21:44:33.257 UTC | null | 1,644,131 | null | 3,948,601 | null | 1 | 9 | android|android-fragments|onclick|drawer | 62,230 | <p>Since the button is a part of the fragment's layout, set the listener there:</p>
<pre><code>@Override
public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle args) {
View view = inflater.inflate(R.layout.registerblood, container, false);
String menu = getArguments().getString("Menu");
... |
40,772,997 | How to convert List<V> into Map<K, List<V>>, with Java 8 streams and custom List and Map suppliers? | <p>It's easy to convert <code>List<V></code> into <code>Map<K, List<V>></code>. For example:</p>
<pre><code>public Map<Integer, List<String>> getMap(List<String> strings) {
return
strings.stream()
.collect(Collectors.groupingBy(String::length));
}
</code></pre>... | 40,773,235 | 3 | 2 | null | 2016-11-23 19:49:20.003 UTC | 16 | 2019-10-16 03:59:34.44 UTC | 2016-11-23 21:09:02.343 UTC | null | 1,743,880 | null | 3,411,681 | null | 1 | 39 | java|java-stream|collectors | 49,221 | <p>You could have the following:</p>
<pre><code>public Map<Integer, List<String>> getMap(List<String> strings) {
return strings.stream().collect(
Collectors.groupingBy(String::length, HashMap::new, Collectors.toCollection(ArrayList::new))
);
}
</code></pre>
<p>The collector <a href="ht... |
46,622,291 | Mapping Firebase Auth users to Firestore Documents | <p>I'm trying to use <strong>Firebase</strong>'s <code>Firestore</code> database to handle <code>User</code>s in my Android app. </p>
<p>Initially I want to use the <strong>id</strong> returned from the <code>Auth</code> package (a string), and set that as the id for the <code>users</code> <code>Collection</code> in t... | 46,876,181 | 1 | 0 | null | 2017-10-07 16:06:41.353 UTC | 13 | 2018-05-25 14:21:44.013 UTC | 2017-10-09 05:26:13.123 UTC | null | 153,407 | null | 4,443,226 | null | 1 | 31 | firebase|firebase-authentication|user-management|google-cloud-firestore | 18,235 | <p>I am not sure how to do this in android, but with JS I am doing the following:</p>
<pre><code>firebase.firestore().collection('users').doc(currentUser.uid).set(currentUser)
</code></pre>
<p><code>currentUser</code> is the user object that the authentication function returns (I use <code>signInWithCredential</code>... |
46,438,557 | How to extract the file jre-9/lib/modules? | <p>In <code>JRE-9/lib</code> directory (at least on Windows), there is a new file called <code>modules</code> whose size is about 107 MB. Is it possible to extract that file or maybe list java modules within it?</p>
<p>I can see that a new tool called <code>jmod</code> is available at <code>jdk-9/bin/jmod.exe</code>, ... | 46,441,042 | 6 | 0 | null | 2017-09-27 02:28:16.103 UTC | 11 | 2021-05-25 10:51:28.15 UTC | 2017-09-27 05:26:59.187 UTC | null | 1,746,118 | null | 597,657 | null | 1 | 27 | java|java-9|java-module|jdk-tools|jmod | 8,288 | <p>The <code>modules</code> file is a container file. It's internal to the JDK and the format is not documented (it may change at any time). For troubleshooting purposes, the <code>jimage</code> tool in the bin directory can be used to list or extract the contents.</p> |
37,342,997 | Render multiple components in React Router | <p>I'm used to application layouts with multiple yield areas, i.e. for content area and for top bar title. I'd like to achieve something similar in React Router. For example:</p>
<pre><code><Router>
<Route path="/" component = { AppLayout }>
<Route path="list"
component = { ListView }
... | 37,343,236 | 11 | 0 | null | 2016-05-20 09:28:24.837 UTC | 5 | 2022-09-15 18:49:26.673 UTC | null | null | null | null | 876,409 | null | 1 | 15 | javascript|meteor|react-router|reactjs | 39,760 | <p>To passe multiple component you can do like this :</p>
<pre><code><Route path="groups" components={{main: Groups, sidebar: GroupsSidebar}} />
<Route path="users" components={{main: Users, sidebar: UsersSidebar}}>
</code></pre>
<p>See the doc here :
<a href="https://github.com/ReactTraining/react-route... |
32,167,640 | Visual Studio 2015 diagnostics tool does not support current debugging configuration | <p>After using VS2015 snapshot and profiling tools, I can't seem to get the diagnostics tools to work again. Every project, even new ones just say the following </p>
<blockquote>
<p>The Diagnostic Tools window does not support the current debugging
configuration.</p>
</blockquote>
<p><a href="https://i.stack.imgu... | 32,182,718 | 6 | 0 | null | 2015-08-23 14:20:18.19 UTC | 3 | 2019-12-30 23:39:56.84 UTC | 2019-10-03 20:03:04.527 UTC | null | 44,729 | null | 760,986 | null | 1 | 61 | c#|visual-studio|debugging|visual-studio-2015|visual-studio-debugging | 28,438 | <p>So I resolved my issue. The Diagnostic Tools window currently does not support:</p>
<ul>
<li>Windows Store projects that are using JavaScript </li>
<li>Windows Store projects that are running on a Windows Phone </li>
<li>Debugging with Use Managed or Native Compatibility Mode</li>
</ul>
<p>In my case I had 'Use Ma... |
5,700,558 | How can I bind nested ViewModels from View to Controller in MVC3? | <p>I am developing an ASP.NET MVC 3 application in C# and I use Razor. I am now dealing with a problem concerning the binding of objects through ViewModels passed/received to/from the View by the Controller.
Let's make it clear. I have the following ViewModels:</p>
<pre><code>public class ContainerViewModel
{
publi... | 5,700,800 | 1 | 0 | null | 2011-04-18 08:54:55.037 UTC | 17 | 2012-02-20 13:45:45.817 UTC | 2012-02-20 13:45:45.817 UTC | null | 675,082 | null | 675,082 | null | 1 | 25 | c#|asp.net-mvc-3|binding|viewmodel | 9,796 | <p>Don't write loops in a view. Use editor templates:</p>
<pre><code><strong>@Model.ContainerName</strong>
@using (Html.BeginForm())
{
<fieldset>
@Html.EditorFor(x => x.ItemData)
<input type="submit" value="Save" />
</fieldset>
}
</code></pre>
<p>and inside th... |
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