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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
24,766,665 | No implementation was bound - Java Guice | <p>Novice here trying to use a dummy Java Facebook app that uses Guice to inject a database dependency into the Facebook factory but continue to have Guice error out telling me:</p>
<blockquote>
<p>### No implementation for com.example.storage.Db annotated with @com.example.storage.annotations.SystemDb() was bound whil... | 24,767,043 | 2 | 0 | null | 2014-07-15 19:33:01.9 UTC | 4 | 2017-11-26 04:17:12.857 UTC | 2020-06-20 09:12:55.06 UTC | null | -1 | null | 3,011,436 | null | 1 | 22 | java|dependency-injection|annotations|guice | 78,116 | <p>At first glance it seems like your missing the bindings for the Db annotated dependency and the StatsdClient.</p>
<p>You'll need to provide the missing bindings to your module like so</p>
<pre><code>bind(Db.class).annotatedWith(SystemDb.class).to(DbImplOfSomeSort.class);
bind(StatsdClient.class).to(StatsdClientImp... |
37,734,150 | How to update meta tags in React.js? | <p>I was working on a single page application in react.js, so what is the best way to update meta tags on page transitions or browser back/forward?</p> | 37,734,302 | 11 | 0 | null | 2016-06-09 18:59:48.173 UTC | 18 | 2022-09-16 05:51:58.873 UTC | null | null | null | null | 2,485,624 | null | 1 | 74 | reactjs | 148,347 | <p>I've used <a href="https://www.npmjs.com/package/react-document-meta" rel="noreferrer">react-document-meta</a> in an older project.</p>
<p>Just define your meta values</p>
<pre><code>const meta = {
title: 'Some Meta Title',
description: 'I am a description, and I can create multiple tags',
canonical: '... |
35,405,618 | ngFor with index as value in attribute | <p>I have a simple <code>ngFor</code> loop which also keeps track of the current <code>index</code>. I want to store that <code>index</code> value in an attribute so I can print it. But I can't figure out how this works.</p>
<p>I basically have this:</p>
<pre><code><ul *ngFor="#item of items; #i = index" data-inde... | 35,405,648 | 9 | 0 | null | 2016-02-15 09:27:57.367 UTC | 81 | 2022-08-19 04:14:27.46 UTC | 2018-01-19 15:44:41.57 UTC | null | 5,658,060 | null | 1,175,327 | null | 1 | 828 | angular|ngfor | 1,383,754 | <p>I would use this syntax to set the index value into an attribute of the HTML element:</p>
<h3>Angular >= 2</h3>
<p>You have to use <code>let</code> to declare the value rather than <code>#</code>.</p>
<pre class="lang-html prettyprint-override"><code><ul>
<li *ngFor="let item of items; let i = index"... |
23,546,255 | How to use UrlFetchApp with credentials? Google Scripts | <p>I am trying to use Google Scripts UrlFetchApp to access a website with a basic username and password. As soon as I connect to the site a popup appears that requires authentication. I know the Login and Password, however I do not know how to pass them within the UrlFetchApp.</p>
<pre class="lang-js prettyprint-overr... | 23,718,759 | 2 | 0 | null | 2014-05-08 15:34:25.953 UTC | 19 | 2020-02-21 23:46:08.207 UTC | 2020-02-21 23:46:08.207 UTC | null | 9,724,138 | null | 3,586,062 | null | 1 | 46 | authentication|google-apps-script|basic-authentication|credentials|urlfetch | 43,788 | <p>This question has been answered on another else where.
Here is the summary:</p>
<p><strong>Bruce Mcpherson</strong></p>
<blockquote>
<pre><code>basic authentication looks like this...
var options = {};
options.headers = {"Authorization": "Basic " + Utilities.base64Encode(username + ":" + password)};
</cod... |
43,458,971 | React Dev tools show my Component as Unknown | <p>I have the following simple component:</p>
<pre><code>import React from 'react'
import '../css.scss'
export default (props) => {
let activeClass = props.out ? 'is-active' : ''
return (
<div className='hamburgerWrapper'>
<button className={'hamburger hamburger--htla ' + activeClass}>
... | 43,459,021 | 3 | 0 | null | 2017-04-17 20:19:02.933 UTC | 12 | 2020-02-13 10:24:01.53 UTC | 2017-04-17 20:30:00.267 UTC | null | 6,465,572 | null | 6,465,572 | null | 1 | 42 | reactjs|google-chrome-devtools | 16,972 | <p>This happens when you export an anonymous function as your component. If you name the function (component) and then export it, it will show up in the React Dev Tools properly.</p>
<pre><code>const MyComponent = (props) => {}
export default MyComponent;
</code></pre> |
21,381,943 | How to configure Spring without persistence.xml? | <p>I'm trying to set up spring xml configuration without having to create a futher <code>persistence.xml</code>. But I'm constantly getting the following exception, even though I included the database properties in the <code>spring.xml</code></p>
<pre><code> Exception in thread "main" org.springframework.beans.fact... | 21,382,512 | 4 | 0 | null | 2014-01-27 13:17:36.917 UTC | 13 | 2021-01-10 14:11:32.757 UTC | 2016-09-20 13:24:46.743 UTC | null | 1,025,118 | null | 1,194,415 | null | 1 | 31 | java|spring|hibernate|jpa|configuration | 54,663 | <p>Specify the "packagesToScan" & "persistenceUnitName" properties in the entityManagerFactory bean definition.</p>
<pre><code><bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<... |
26,054,512 | React img tag issue with url and class | <p>I have the following simple react code in my JSX file:</p>
<pre><code>/** @jsx React.DOM */
var Hello = React.createClass({
render: function() {
return <div><img src='http://placehold.it/400x20&text=slide1' alt={event.title} class="img-responsive"/><span>Hello {this.props.name}<... | 26,065,890 | 2 | 0 | null | 2014-09-26 07:43:31.243 UTC | 7 | 2017-08-20 21:03:10.56 UTC | 2014-10-12 18:47:59.403 UTC | null | 2,445,990 | null | 48,050 | null | 1 | 43 | javascript|css|reactjs | 183,453 | <p>Remember that your img is not really a DOM element but a javascript expression. </p>
<ol>
<li><p>This is a JSX attribute expression. Put curly braces around the src string expression and it will work. See <a href="http://facebook.github.io/react/docs/jsx-in-depth.html#attribute-expressions">http://facebook.github.i... |
22,652,543 | Does new ASP.NET MVC identity framework work without Entity Framework and SQL Server? | <p>I am new to ASP.NET MVC 5 and so I am trying to use it as much as possible to learn it by practice. </p>
<p>So I am thinking of using the new OWIN implementation of ASP.NET MVC to implement the authentication and authorization of my project. That said, I am building the project in a way that it can work with variou... | 22,677,441 | 4 | 0 | null | 2014-03-26 05:50:25.927 UTC | 24 | 2020-10-08 21:08:29.18 UTC | 2014-03-26 06:06:59.123 UTC | null | 13,302 | null | 1,063,345 | null | 1 | 41 | sql-server|entity-framework|asp.net-mvc-5|owin | 27,572 | <p>Not that simple. Not that hard either.</p>
<p>You'll have to write your custom implementation of:</p>
<ol>
<li><code>IUserStore<TUser></code></li>
<li><code>IUserPasswordStore<TUser></code></li>
<li><code>IUserTwoFactorStore<TUser></code></li>
<li><code>IUserClaimStore<TUser></code></li>
<li>... |
24,522,793 | How can I add N milliseconds to a datetime in Python | <p>I'm setting a datetime var as such:</p>
<pre><code>fulldate = datetime.datetime.strptime(date + ' ' + time, "%Y-%m-%d %H:%M:%S.%f")
</code></pre>
<p>where date and time are string of the appropriate nature for datetime. How can I increment this datetime by N milliseconds?</p> | 24,522,827 | 2 | 0 | null | 2014-07-02 04:18:47.59 UTC | 3 | 2016-06-10 05:47:37.443 UTC | null | null | null | null | 968,233 | null | 1 | 34 | python|datetime | 43,476 | <p>Use <code>timedelta</code></p>
<p>To increment by 500 ms:</p>
<pre><code>fulldate = datetime.datetime.strptime(date + ' ' + time, "%Y-%m-%d %H:%M:%S.%f")
fulldate = fulldate + datetime.timedelta(milliseconds=500)
</code></pre>
<p>You can use it to increment minutes, hours, days etc. Documentation:</p>
<p><a href... |
2,734,301 | Given a set of points, find if any of the three points are collinear | <p>What is the best algorithm to find if any three points are collinear in a set of points say n. Please also explain the complexity if it is not trivial.</p>
<p>Thanks<br>
Bala</p> | 2,786,316 | 3 | 6 | null | 2010-04-29 01:50:02.717 UTC | 13 | 2018-05-07 05:49:13.7 UTC | 2010-04-29 09:46:03.92 UTC | null | 249,460 | null | 207,335 | null | 1 | 16 | algorithm|graphics|data-structures|complexity-theory | 16,933 | <p>If you can come up with a better than O(N^2) algorithm, you can publish it!</p>
<p>This problem is <a href="http://maven.smith.edu/~orourke/TOPP/P11.html" rel="noreferrer">3-SUM Hard</a>, and whether there is a sub-quadratic algorithm (i.e. better than O(N^2)) for it is an open problem. Many common computational ge... |
2,628,159 | SQL - Add up all row-values of one column in a singletable | <p>I've got a question regarding a SQL-select-query:
The table contains several columns, one of which is an Integer-column called "size" - the task I'm trying to perform is query the table for the sum of all rows (their values), or to be more exact get a artifical column in my ResultSet called "overallSize" which conta... | 2,628,173 | 3 | 0 | null | 2010-04-13 08:49:35.823 UTC | 1 | 2010-04-13 09:24:20.6 UTC | 2010-04-13 09:24:20.6 UTC | null | 17,343 | null | 315,274 | null | 1 | 17 | sql|sum|hsqldb | 72,762 | <pre><code>SELECT SUM(size) AS overallSize FROM table WHERE bla = 5;
</code></pre> |
2,724,820 | Tomcat - How to limit the maximum memory Tomcat will use | <p>I am running Tomcat on a small VPS (256MB/512MB) and I want to explicitly limit the amount of memory Tomcat uses. </p>
<p>I understand that I can configure this somehow by passing in the java maximum heap and initial heap size arguments;</p>
<pre><code>-Xmx256m
-Xms128m
</code></pre>
<p>But I can't find where to ... | 2,724,866 | 3 | 0 | null | 2010-04-27 20:26:11.977 UTC | 5 | 2016-12-01 21:47:58.503 UTC | null | null | null | null | 111,734 | null | 1 | 23 | memory|configuration|tomcat | 73,877 | <p>Set JAVA_OPTS in your init script,</p>
<pre><code> export JAVA_OPTS="-Djava.awt.headless=true -server -Xms48m -Xmx1024M -XX:MaxPermSize=512m"
</code></pre> |
3,074,938 | Django m2m form save " through " table | <p>I'm having trouble in saving a m2m data, containing a 'through' class table.
I want to save all selected members (selected in the form) in the through table.
But i don't know how to initialise the 'through' table in the view.</p>
<p>my code:</p>
<pre><code>class Classroom(models.Model):
user = models.ForeignK... | 3,125,398 | 4 | 0 | null | 2010-06-19 08:45:41.48 UTC | 12 | 2019-01-14 15:47:25.77 UTC | 2013-12-17 20:25:44.63 UTC | null | 321,731 | null | 342,279 | null | 1 | 17 | django|forms|m2m | 11,212 | <p>In case of using normal m2m relation (not through intermediary table) you could replace:</p>
<pre><code>membership = Membership(member = HERE SELECTED ITEMS FROM FORM,classroom=new_obj)
membership.save()
</code></pre>
<p>with</p>
<pre><code>form.save_m2m()
</code></pre>
<p>But in case of using intermediary table... |
2,531,837 | How can I get the PID of the parent process of my application | <p>My winform application is launched by another application (the parent), I need determine the pid of the application which launch my application using C#.</p> | 2,533,287 | 4 | 1 | null | 2010-03-28 03:53:11.327 UTC | 10 | 2020-07-26 00:16:38.633 UTC | 2020-07-26 00:16:38.633 UTC | null | 214,143 | null | 167,454 | null | 1 | 31 | c#|.net|winforms|process|pid | 29,930 | <p>WMI is the easier way to do this in C#. The Win32_Process class has the ParentProcessId property. Here's an example:</p>
<pre><code>using System;
using System.Management; // <=== Add Reference required!!
using System.Diagnostics;
class Program {
public static void Main() {
var myId = Process.GetC... |
38,027,877 | Spark Transformation - Why is it lazy and what is the advantage? | <p><code>Spark Transformations</code> are lazily evaluated - when we call the action it executes all the transformations based on lineage graph.</p>
<p>What is the advantage of having the Transformations Lazily evaluated?</p>
<p>Will it improve the <code>performance</code> and less amount of <code>memory consumption</c... | 38,028,390 | 4 | 0 | null | 2016-06-25 11:14:43.263 UTC | 10 | 2022-03-24 11:42:50.943 UTC | 2021-02-18 16:57:22.617 UTC | null | 72,351 | null | 1,907,755 | null | 1 | 23 | apache-spark|transformation|lazy-evaluation | 29,839 | <p>For transformations, Spark adds them to a DAG of computation and only when driver requests some data, does this DAG actually gets executed. </p>
<p>One advantage of this is that Spark can make many optimization decisions after it had a chance to look at the DAG in entirety. This would not be possible if it executed... |
52,625,979 | Confused about useBuiltIns option of @babel/preset-env (using Browserslist Integration) | <p>I'm working on a web project using Babel 7 with Webpack 4. I've never used Babel before and can't really understand some parts of it. Based on the <a href="https://babeljs.io/docs/en/babel-preset-env" rel="noreferrer">documentation</a> I'm using <code>@babel/preset-env</code> because it seems the recommended way (es... | 56,505,264 | 2 | 0 | null | 2018-10-03 11:23:28.593 UTC | 27 | 2019-06-08 09:52:25.267 UTC | 2018-10-08 08:13:03.373 UTC | null | 5,263,363 | null | 5,263,363 | null | 1 | 85 | javascript|webpack|babeljs|babel-preset-env | 33,943 | <blockquote>
<p>1) Do I need to use that useBuiltIns: "entry" option?</p>
</blockquote>
<p>Yes, if you want to include polyfills based on your target environment.</p>
<p>TL;DR</p>
<p>There're basically 3 options for <code>useBuiltIns</code>:</p>
<p><strong>"entry"</strong>: when using this option, <code>@babel/pr... |
672,836 | Question about Repositories and their Save methods for domain objects | <p>I have a somewhat ridiculous question regarding DDD, Repository Patterns and ORM. In this example, I have 3 classes: <strong>Address</strong>, <strong>Company</strong> and <strong>Person</strong>. A Person is a member of a Company and has an Address. A Company also has an Address. </p>
<p>These classes reflect a da... | 675,416 | 2 | 2 | null | 2009-03-23 10:18:31.387 UTC | 10 | 2009-03-24 20:12:09.313 UTC | 2017-05-23 11:55:43.04 UTC | kitsune | -1 | kitsune | 13,466 | null | 1 | 9 | nhibernate|linq-to-sql|orm|domain-driven-design|ddd-repositories | 1,240 | <p>I myself have used the IRepository approach lately that Keith suggests. But, you should not be focusing on that pattern here. Instead, there are a few more pieces in the DDD playbook that can be applied here.</p>
<h2>Use <i>Value Objects</i> for your Addresses</h2>
<p>First, there is the concept of Value Objects... |
1,311,578 | Opening multiple files (OpenFileDialog, C#) | <p>I'm trying to open multiple files at once with the <code>OpenFileDialog</code>, using <code>FileNames</code> instead of <code>FileName</code>. But I cannot see any examples anywhere on how to accomplish this, not even on MSDN. As far as I can tell - there's no documentation on it either. Has anybody done this before... | 1,311,594 | 2 | 0 | null | 2009-08-21 12:09:56.373 UTC | 9 | 2020-05-11 11:03:57.793 UTC | 2014-08-06 16:50:20.24 UTC | null | 152,598 | null | 152,598 | null | 1 | 37 | c#|winforms|file|openfiledialog | 79,924 | <p>You must set the <a href="http://msdn.microsoft.com/en-us/library/system.windows.forms.openfiledialog.multiselect.aspx" rel="noreferrer"><code>OpenFileDialog.Multiselect</code></a> Property value to true, and then access the <code>OpenFileDialog.FileNames</code> property.</p>
<p>Check this sample</p>
<pre><code>p... |
2,552,371 | Setting java.awt.headless=true programmatically | <p>I'm trying to set <code>java.awt.headless=true</code> during the application startup but it appears like I'm too late and the non-headless mode has already started:</p>
<pre><code>static {
System.setProperty("java.awt.headless", "true");
/* java.awt.GraphicsEnvironment.isHeadless() returns false */
}
</code... | 2,552,470 | 5 | 1 | null | 2010-03-31 11:17:03.753 UTC | 8 | 2019-12-19 11:49:16.3 UTC | 2017-11-10 06:29:19.693 UTC | null | 5,105,305 | null | 102,200 | null | 1 | 35 | java|awt|headless | 65,603 | <p>I was working with a <code>main()</code> in a class which statically loads different parts of JFreeChart in Constants (and other static code).</p>
<p>Moving the static loading block to the top of the class solved my problem.</p>
<p><strong>This doesn't work:</strong></p>
<pre><code> public class Foo() {
priv... |
3,203,286 | How to create a read-only class property in Python? | <p>Essentially I want to do something like this:</p>
<pre><code>class foo:
x = 4
@property
@classmethod
def number(cls):
return x
</code></pre>
<p>Then I would like the following to work: </p>
<pre><code>>>> foo.number
4
</code></pre>
<p>Unfortunately, the above doesn't work. Ins... | 3,203,659 | 5 | 0 | null | 2010-07-08 12:00:12.16 UTC | 31 | 2020-05-21 17:45:37.88 UTC | null | null | null | null | 160,206 | null | 1 | 79 | python|class|properties | 41,009 | <p>The <code>property</code> descriptor always returns itself when accessed from a class (ie. when <code>instance</code> is <code>None</code> in its <code>__get__</code> method).</p>
<p>If that's not what you want, you can write a new descriptor that always uses the class object (<code>owner</code>) instead of the ins... |
2,375,372 | Is there a way to get all the querystring name/value pairs into a collection? | <p>Is there a way to get all the querystring name/value pairs into a collection?</p>
<p>I'm looking for a built in way in .net, if not I can just split on the & and load a collection.</p> | 2,375,380 | 6 | 0 | null | 2010-03-03 22:07:23.433 UTC | 7 | 2022-09-09 04:16:38.563 UTC | null | null | null | null | 39,677 | null | 1 | 58 | c#|asp.net|collections|query-string | 80,569 | <p>Yes, use the <a href="http://msdn.microsoft.com/en-us/library/system.web.httprequest.querystring.aspx" rel="noreferrer"><code>HttpRequest.QueryString</code></a> collection:</p>
<blockquote>
<p>Gets the collection of HTTP query string variables.</p>
</blockquote>
<p>You can use it like this:</p>
<pre><code>forea... |
2,792,819 | R dates "origin" must be supplied | <p>My code:</p>
<pre><code>axis.Date(1,sites$date, origin="1970-01-01")
</code></pre>
<p>Error:</p>
<blockquote>
<p>Error in as.Date.numeric(x) : 'origin' must be supplied</p>
</blockquote>
<p>Why is it asking me for the origin when I supplied it in the above code?</p> | 2,792,839 | 6 | 0 | null | 2010-05-08 03:18:59.59 UTC | 10 | 2022-02-11 12:38:12.877 UTC | 2022-02-11 12:38:12.877 UTC | null | 6,123,824 | null | 335,939 | null | 1 | 64 | r|date | 225,443 | <p>I suspect you meant:</p>
<pre><code>axis.Date(1, as.Date(sites$date, origin = "1970-01-01"))
</code></pre>
<p>as the 'x' argument to <code>as.Date()</code> has to be of type <code>Date</code>.</p>
<p>As an aside, this would have been appropriate as a follow-up or edit of your previous question.</p> |
2,531,952 | How to use a custom comparison function in Python 3? | <p>In <strong>Python 2.x</strong>, I could pass custom function to sorted and .sort functions</p>
<pre><code>>>> x=['kar','htar','har','ar']
>>>
>>> sorted(x)
['ar', 'har', 'htar', 'kar']
>>>
>>> sorted(x,cmp=customsort)
['kar', 'htar', 'har', 'ar']
</code></pre>
<p>Becau... | 2,531,971 | 6 | 4 | null | 2010-03-28 05:04:35.18 UTC | 20 | 2020-01-18 04:31:34.03 UTC | 2016-10-17 07:09:54.253 UTC | null | 355,230 | null | 213,464 | null | 1 | 124 | python|sorting|python-3.x | 88,512 | <p>Use the <code>key</code> argument (and follow the <a href="http://code.activestate.com/recipes/576653-convert-a-cmp-function-to-a-key-function/" rel="noreferrer">recipe</a> on how to convert your old <code>cmp</code> function to a <code>key</code> function).</p>
<p><code>functools</code> has a function <code>cmp_to... |
3,041,441 | Should checkins be small steps or complete features? | <p>Two uses of version control seem to dictate different checkin styles.</p>
<ul>
<li><p><strong>distribution centric</strong>: changesets will generally reflect a complete feature. In general these checkins will be larger. This style is more user/maintainer friendly.</p></li>
<li><p><strong>rollback centric</strong... | 3,041,559 | 7 | 2 | null | 2010-06-14 22:41:08.847 UTC | 14 | 2010-06-15 01:16:40.443 UTC | 2010-06-14 22:58:04.797 UTC | null | 125,389 | null | 28,817 | null | 1 | 26 | git|mercurial|dvcs|bazaar | 1,074 | <p>The beauty of DVCS systems is that you can have <em>both</em>, because in a DVCS unlike a CVCS, <em>publishing</em> is orthogonal to <em>committing</em>. In a CVCS, every commit is automatically published, but it in a DVCS, commits are only published when they are <em>pushed</em>.</p>
<p>So, <em>commit</em> small s... |
3,091,010 | recv() socket function returning data with length as 0 | <p>I am having an application which established a socket connection on a port number 5005 with another device(hardware device with a web server). </p>
<p>Now if my hardware device disconnects then i loose connection with the device. </p>
<ol>
<li><p>Does this mean that the socket i was
using until now becomes invalid... | 3,091,039 | 8 | 2 | null | 2010-06-22 07:14:31.23 UTC | 13 | 2020-07-29 20:24:09.737 UTC | 2018-06-27 02:28:46.203 UTC | null | 207,421 | null | 166,012 | null | 1 | 22 | c|sockets|tcp | 42,988 | <p>When <code>recv</code> returns a value of 0 that means the connection has been closed.</p>
<p>See the <a href="http://www.kernel.org/doc/man-pages/online/pages/man2/recv.2.html" rel="noreferrer"><code>recv</code> man page:</a></p>
<blockquote>
<p>These calls return the number of bytes received, or -1 if an error... |
33,531,334 | Convert directories with java files to java modules in intellij | <p>I recently switched to using IntelliJ. I manually imported some projects and I guess I didn't do it correctly. They are all supposed to be java modules but they are just regular directory folders. Is there a way to convert them to java modules so I can run the programs or will I have to manually recreate new modules... | 33,531,901 | 4 | 1 | null | 2015-11-04 20:25:37.273 UTC | 2 | 2021-07-07 12:14:46.097 UTC | 2018-11-21 21:33:00.073 UTC | null | 4,952,262 | null | 2,492,620 | null | 1 | 27 | java|intellij-idea | 38,865 | <p>There are a few ways to handle this. If your project has an existing build framework such as gradle, maven, etc, generally you can navigate to</p>
<p><code>File > New > Project From Existing Sources...</code></p>
<p>And then navigate to the gradle.build, pom.xml, or other framework specific build. When this ... |
13,947,472 | how to increment a value inside stored procedure | <p>How to increment a value of local variable in the loop inside a stored procedure</p>
<pre><code>ALTER PROC [dbo].[Usp_SelectQuestion]
@NoOfQuestion int
AS
BEGIN
Declare @CNT int
Declare @test int
Declare @x int
Declare @y int
set @x = 1;
set @y = 1;
Select @CNT=(Select Count(*) from (select Distinct(setno)from onl... | 13,947,556 | 1 | 2 | null | 2012-12-19 07:28:34.62 UTC | null | 2012-12-19 07:35:41.33 UTC | 2012-12-19 07:33:21.713 UTC | null | 422,353 | null | 1,633,097 | null | 1 | 1 | sql|sql-server|stored-procedures | 44,449 | <p>you have to enclose the while-body in a begin-end block.</p>
<pre><code>while @x <= @CNT do begin
while @y <= @test begin
select * from onlin where setno = @x
set @y = @y + 1
end
set @x =@x + 1
end
</code></pre>
<p>I do not understand what you are trying to achive (besides the fact that you want... |
10,418,404 | Create a DLL in C and link it from a C++ project | <p>As per title, I'm trying to build a DLL using C and link it from a C++ project. I read and followed different tutorials on internet but everytime there is something missing and I don't understand what. </p>
<p>Here's what I did, step by step: </p>
<p>I created a new Win32 project, named <code>testlib</code>, then,... | 10,418,729 | 4 | 0 | null | 2012-05-02 17:03:01.767 UTC | 9 | 2012-05-02 17:26:46.097 UTC | null | null | null | null | 465,157 | null | 1 | 8 | c++|c|dll|linker | 10,513 | <p>You have several problems:</p>
<ol>
<li>The header file should mark the functions as exported when being compiled in the DLL but imported when being compiled by a library user.</li>
<li>The header file should wrap the function declarations in an <code>extern "C"</code> block when being compiled as C++ to ensure tha... |
5,641,427 | How to make preprocessor generate a string for __LINE__ keyword? | <p><code>__FILE__</code> is replaced with "MyFile.cpp" by C++ preprocessor.
I want <code>__LINE__</code> to be replaced with "256" string not with 256 integer.
Without using my own written functions like</p>
<pre><code>toString(__LINE__);
</code></pre>
<p>Is that possible? How can I do it?</p>
<p>VS 2008</p>
<p><s... | 5,641,470 | 2 | 2 | null | 2011-04-12 20:45:16.373 UTC | 7 | 2016-06-20 20:33:28.897 UTC | 2016-06-20 20:33:28.897 UTC | null | 4,370,109 | null | 490,529 | null | 1 | 32 | c++|visual-studio-2008|c-preprocessor | 10,153 | <p>You need the double expansion trick:</p>
<pre><code>#define S(x) #x
#define S_(x) S(x)
#define S__LINE__ S_(__LINE__)
/* use S__LINE__ instead of __LINE__ */
</code></pre>
<p>Addendum, years later: It is a good idea to go a little out of one's way to avoid operations that may allocate memory in exception-handlin... |
6,151,549 | How can I build a specific architecture using xcodebuild? | <p>I have legacy code that relies on pointers being <code>32-bit</code> and want to use <code>xCodeBuild</code> to build that code from <code>command line</code>. This doesn't work for some reason. Here's the command I use:</p>
<pre><code>xcodebuild -configuration Debug -arch i386
-workspace MyProject.xcworkspace -... | 6,154,460 | 2 | 0 | null | 2011-05-27 11:23:37.47 UTC | 11 | 2021-04-05 12:14:37.04 UTC | 2016-02-15 18:58:50.677 UTC | null | 299,674 | null | 686,184 | null | 1 | 35 | macos|command-line|xcode4|xcodebuild | 41,311 | <p>You have to set the <code>ONLY_ACTIVE_ARCH</code> to <code>NO</code> if you want <code>xcodebuild</code> to use the <code>ARCHS</code> parameters. By passing these parameters, you can force the proper architecture.</p>
<pre><code>xcodebuild ARCHS=i386 ONLY_ACTIVE_ARCH=NO -configuration Debug -workspace MyProject.xc... |
33,503,077 | Any difference between type assertions and the newer `as` operator in TypeScript? | <p>Is there any difference between what the TypeScript spec calls a type assertion:</p>
<pre><code>var circle = <Circle> createShape("circle");
</code></pre>
<p>And the <a href="https://github.com/Microsoft/TypeScript/wiki/What's-new-in-TypeScript#new-tsx-file-extension-and-as-operator" rel="noreferrer">new... | 33,503,842 | 2 | 0 | null | 2015-11-03 15:35:16.48 UTC | 14 | 2019-11-27 19:41:44.077 UTC | null | null | null | null | 154,066 | null | 1 | 183 | casting|typescript | 57,007 | <p>The difference is that <code>as Circle</code> works in TSX files, but <code><Circle></code> conflicts with JSX syntax. <code>as</code> was introduced for this reason.</p>
<p>For example, the following code in a <code>.tsx</code> file:</p>
<pre><code>var circle = <Circle> createShape("circle");
</code><... |
33,269,093 | How to add <canvas> support to my tests in Jest? | <p>In my <a href="https://facebook.github.io/jest/" rel="noreferrer">Jest</a> unit test I am rendering a component with a <a href="http://casesandberg.github.io/react-color/#usage-display" rel="noreferrer">ColorPicker</a>. The <code>ColorPicker</code> component creates a canvas object and 2d context but returns <code>'... | 33,278,679 | 11 | 0 | null | 2015-10-21 20:57:25.793 UTC | 3 | 2022-06-04 03:33:05.31 UTC | 2015-10-22 10:19:25.773 UTC | null | 115,493 | null | 448,967 | null | 1 | 43 | reactjs|html5-canvas|jsdom|jestjs | 40,921 | <p>It's because your test doesn't run in a real browser. Jest uses <code>jsdom</code> for mocking the necessary parts of the DOM to be able to run the tests in Node, thus avoiding style calculation and rendering that a browser would normally do. This is cool because this makes tests fast.</p>
<p>On the other hand, if ... |
33,076,495 | How can I fix this "Dropzone already attached" error? | <p>I have this sample:</p>
<p><a href="https://jsfiddle.net/rfv0afgf/3/" rel="noreferrer">link</a></p>
<p>I managed to create this form but unfortunately it does not work because I get error.</p>
<pre><code>Dropzone already attached.
</code></pre>
<p><strong>CODE HTML:</strong></p>
<pre><code><div class="dropzo... | 33,076,591 | 12 | 0 | null | 2015-10-12 08:28:43.427 UTC | 4 | 2021-04-26 04:24:42.81 UTC | 2019-05-20 03:25:44.067 UTC | null | 1,422,059 | null | 5,341,052 | null | 1 | 58 | javascript|jquery|html|dropzone.js | 100,095 | <p>You should use either </p>
<pre><code>var myDropzone = new Dropzone("div#myDrop", { url: "/file/post"});
</code></pre>
<p>or</p>
<pre><code>$("div#myDrop").dropzone({ url: "/file/post" });
</code></pre>
<p>not both. Basically what you are doing is calling the same thing twice.</p> |
23,218,929 | Check if selected dropdown value is empty using jQuery | <p>Here is the dropdown in question:</p>
<pre><code><select name="data" class="autotime" id="EventStartTimeMin">
<option value=""></option>
<option value="00">00</option>
<option value="10">10</option>
<option value="20">20</option>
<option v... | 23,218,951 | 3 | 0 | null | 2014-04-22 12:01:51.203 UTC | 4 | 2019-08-09 09:47:47.647 UTC | 2016-04-21 20:57:31.143 UTC | null | 519,413 | null | 2,290,213 | null | 1 | 25 | jquery | 136,571 | <p>You forgot the <code>#</code> on the id selector:</p>
<pre><code>if ($("#EventStartTimeMin").val() === "") {
// ...
}
</code></pre> |
34,387,893 | Output matplotlib figure to SVG with text as text, not curves | <p>When I use <code>matplotlib.pyplot.savefig("test.svg", format="svg")</code> to export the figure as SVG, then the resulting SVG file is huge.</p>
<p>This is caused by the fact that there are a lot of text annotations in my figure, and each text ends up as paths in the SVG.</p>
<p>I want my text to end up as text s... | 35,734,729 | 1 | 0 | null | 2015-12-21 01:43:52.75 UTC | 15 | 2021-04-12 13:26:48.35 UTC | null | null | null | null | 301,166 | null | 1 | 43 | svg|matplotlib | 12,235 | <p>Matplotlibs SVG text rendering can be configured either in the matplotlibrc or in code.<br />
From <a href="https://matplotlib.org/stable/tutorials/introductory/customizing.html" rel="noreferrer">Customizing Matplotlib with style sheets and rcParams</a>:</p>
<pre class="lang-py prettyprint-override"><code>#svg.fontt... |
21,503,588 | Bind HTML string with custom style | <p>I want to bind a HTML string with an custom style to the DOM. However <code>ngSanitize</code> removes the style from the string.</p>
<p>For example:</p>
<p><em>In the controller:</em></p>
<pre><code>$scope.htmlString = "<span style='color: #89a000'>123</span>!";
</code></pre>
<p><em>And in DOM:... | 28,502,961 | 5 | 0 | null | 2014-02-01 20:58:49.817 UTC | 10 | 2021-12-28 20:22:51.493 UTC | 2021-12-28 20:22:51.493 UTC | null | 1,127,428 | null | 1,717,562 | null | 1 | 47 | angularjs | 41,099 | <p>As already mentioned @Beyers, you have to use <code>$sce.trustAsHtml()</code>, to use it directly into the DOM, you could do it like this, JS/controller part:</p>
<pre><code>$scope.trustAsHtml = function(string) {
return $sce.trustAsHtml(string);
};
</code></pre>
<p>And in DOM/HTML part</p>
<pre><code><div... |
53,260,312 | How SELECT ANY TABLE privilege work in Oracle? | <p>I would like to know how the privilege <code>SELECT ANY TABLE</code> works internally in Oracle.</p>
<p>Is it treated as a single privilege? Or is it equivalent to make a <code>GRANT SELECT ON MyTable TO MyUser</code> for each table?</p>
<p>As example, I would like to know if this work :</p>
<pre><code>GRANT SELE... | 53,260,699 | 1 | 1 | null | 2018-11-12 10:34:18.737 UTC | null | 2018-11-12 11:07:50.123 UTC | 2018-11-12 11:07:50.123 UTC | null | 7,147,233 | null | 4,730,196 | null | 1 | 3 | sql|oracle|privileges | 41,035 | <p>Yes, all users would still be able to query <code>MY_TABLE</code>.</p>
<p>You are looking at different <a href="https://docs.oracle.com/en/database/oracle/oracle-database/12.2/admqs/administering-user-accounts-and-security.html#GUID-289A4BF6-F703-4ED5-8357-89F651A6D1DE" rel="noreferrer">privilege types</a>:</p>
<b... |
36,895,431 | Angular 2: pipes - How to format a phone number? | <p>I've searched here and there, and I am not able to find something specific about formatting a phone number.</p>
<p>Currently, I am retrieving phone numbers form a JSON in the following format: </p>
<p>25565115</p>
<p>However, I want to achieve this result:</p>
<p>02-55-65-115</p>
<p>For that, I believe that I n... | 36,895,706 | 6 | 0 | null | 2016-04-27 16:17:13.61 UTC | 8 | 2022-06-07 19:29:31.577 UTC | 2020-03-16 19:57:09.327 UTC | null | 5,612,697 | null | 6,101,493 | null | 1 | 32 | angular|pipes-filters | 65,174 | <p><a href="https://stackblitz.com/edit/angular-g29gfr?file=src%2Fapp%2Fapp.component.ts" rel="noreferrer"><strong>StackBlitz</strong></a></p>
<p><code>pipe</code> implementation in <strong>TS</strong> would look like this</p>
<pre class="lang-ts prettyprint-override"><code>import { Pipe } from "@angular/core";
@Pip... |
30,276,503 | Where to find a clear explanation about swift alert (UIAlertController)? | <p>Couldn't find a clear and informative explanation for this.</p> | 30,594,016 | 3 | 2 | null | 2015-05-16 13:51:12.737 UTC | 10 | 2018-03-12 00:43:38.153 UTC | 2016-01-26 12:26:09.59 UTC | null | 3,219,049 | null | 3,219,049 | null | 1 | 21 | ios|swift|dialog|uialertview|uialertcontroller | 28,774 | <p>After searching a while on a subject I didn't
find a clear explanation , even in it's class reference
<a href="https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIAlertController_class/index.html" rel="noreferrer">UIAlertController Reference</a></p>
<p>It is ok, but not clear enough for me.</p>... |
8,538,427 | How to delete all contents of a folder with Ruby-Rails? | <p>I have a <code>public/cache</code> folder which has files and folders. How can I completely empty that folder using a rake task?</p> | 8,538,489 | 3 | 0 | null | 2011-12-16 18:19:46.163 UTC | 8 | 2020-09-13 16:44:45.843 UTC | 2014-05-22 10:21:13.613 UTC | null | 3,279,009 | null | 1,041,669 | null | 1 | 74 | ruby|ruby-on-rails-3 | 41,932 | <p>Ruby has the *nix <code>rm -rf</code> equivalent in the <a href="http://ruby-doc.org/stdlib/libdoc/fileutils/rdoc/FileUtils.html" rel="noreferrer">FileUtils</a> module that you can use to delete both files and non-empty folders/directories:</p>
<pre><code>FileUtils.rm_rf('dir/to/remove')
</code></pre>
<p>To keep t... |
8,556,604 | Is there a way to use two CSS3 box shadows on one element? | <p>I'm trying to replicate a button style in a Photoshop mock-up that has two shadows on it. The first shadow is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.</p>
<p><a href="https://i.stack.imgur.com/GF895.png" rel="noreferrer"><img src="https://i.stack.imgur.com/... | 8,556,627 | 2 | 0 | null | 2011-12-19 02:41:50.54 UTC | 25 | 2017-06-18 07:46:42.307 UTC | 2017-06-18 07:46:42.307 UTC | null | 1,143,732 | null | 1,105,159 | null | 1 | 184 | css | 142,734 | <p>You can comma-separate shadows:</p>
<pre class="lang-css prettyprint-override"><code>box-shadow: inset 0 2px 0px #dcffa6, 0 2px 5px #000;
</code></pre> |
27,290,354 | ReactJS server-side rendering vs client-side rendering | <p>I just have began to study ReactJS and found that it gives you 2 ways to render pages: server-side and client-side. But, I can't understand how to use it together. Is it 2 separate ways to build the application, or can they be used together? </p>
<p>If we can use it together, how to do it - do we need to duplicate ... | 27,291,188 | 4 | 1 | null | 2014-12-04 09:25:38.62 UTC | 53 | 2022-08-20 09:03:27.41 UTC | 2016-03-26 18:07:34.197 UTC | null | 385,273 | null | 1,640,210 | null | 1 | 153 | javascript|node.js|client-server|reactjs | 80,590 | <p>For a given website / web-application, you can use react either <em>client-side</em>, <em>server-side</em> or <em>both</em>.</p>
<h3>Client-Side</h3>
<p>Over here, you are completely running ReactJS on the browser. This is the simplest setup and includes most examples (including the ones on <a href="http://reactjs... |
1,307,512 | How to export an entire Access database to SQL Server? | <p>I've just got a lovely Access database, so the first thing I want to do is to move it over to a normal database management system (sqlexpress), but the <a href="http://hosting.intermedia.net/support/kb/default.asp?id=576" rel="nofollow noreferrer">only solution</a> I've found sounds like craziness. </p>
<p>Isn't th... | 1,307,541 | 3 | 0 | null | 2009-08-20 16:54:11.15 UTC | 4 | 2021-01-19 06:53:29.583 UTC | 2015-01-28 10:42:16.75 UTC | null | 4,116,112 | null | 90,691 | null | 1 | 12 | ms-access|export|sql-server-express | 55,856 | <p>Is there a reason you don't want to use Management Studio and specify Microsoft Access as the data source for your Import Data operation? (Database->Tasks->Import, Microsoft Access as data source, mdb file as parameter). Or is there a reason it must be done from within Microsoft Access?</p> |
638,361 | Nullable Method Arguments in C# | <p><strong>Duplicate Question</strong></p>
<p><a href="https://stackoverflow.com/questions/271588/passing-null-arguments-to-c-methods/271600">Passing null arguments to C# methods</a></p>
<p>Can I do this in c# for .Net 2.0?</p>
<pre><code>public void myMethod(string astring, int? anint)
{
//some code in which I may ... | 638,369 | 3 | 1 | null | 2009-03-12 12:16:17.997 UTC | 2 | 2009-03-12 12:27:21.107 UTC | 2017-05-23 10:29:18.923 UTC | Longhorn213 | -1 | One Monkey | null | null | 1 | 22 | c#|arguments|nullable | 94,773 | <p>Yes, assuming you added the chevrons deliberately and you really meant:</p>
<pre><code>public void myMethod(string astring, int? anint)
</code></pre>
<p><code>anint</code> will now have a <code>HasValue</code> property.</p> |
1,269,506 | Selecting a UITableViewCell in Edit mode | <p>If I create a UITableViewController - drilling down works as expected. If a user selects a cell and I implement 'didSelectRowAtIndexPath', the cell flashes blue and the next view shows up.</p>
<p>But, if I include an 'edit' button (self.navigationItem.rightBarButtonItem = self.editButtonItem), when the user clicks ... | 1,269,730 | 3 | 0 | null | 2009-08-13 00:51:08.18 UTC | 3 | 2014-09-02 12:11:06.067 UTC | null | null | null | null | 4,910 | null | 1 | 29 | iphone|uitableview | 11,325 | <p>UITableView has a property <a href="http://developer.apple.com/iphone/library/documentation/uikit/reference/UITableView_Class/Reference/Reference.html#//apple_ref/occ/instp/UITableView/allowsSelectionDuringEditing" rel="noreferrer">allowsSelectionDuringEditing</a> for this.</p>
<p>IMHO it should have been YES by de... |
22,195,093 | Android how to get tomorrow's date | <p>In my android application. I need to display tomorrow's date, for example today is 5th March so I need to display as 6 March. I know the code for getting today's date, month and year.</p>
<p>date calculating</p>
<pre><code> GregorianCalendar gc = new GregorianCalendar();
yearat = gc.get(Calendar.YEAR);
... | 22,195,142 | 16 | 0 | null | 2014-03-05 10:30:37.567 UTC | 12 | 2021-06-29 22:38:15.15 UTC | 2018-04-04 10:23:41.257 UTC | null | 9,209,546 | null | 3,180,759 | null | 1 | 36 | java|android|calendar | 56,448 | <ol>
<li><p>Get today's date as a <code>Calendar</code>.</p></li>
<li><p>Add 1 day to it.</p></li>
<li><p>Format for display purposes.</p></li>
</ol>
<p>For example,</p>
<pre><code>GregorianCalendar gc = new GregorianCalendar();
gc.add(Calendar.DATE, 1);
// now do something with the calendar
</code></pre> |
6,661,179 | VS Designer question. How to change parent control | <p>VS beginner question. How to change parent control of a control? Example. I have TabControl on form, aligned to fit the all form. I have double clicked of toolStrip control to create menu and instead of the form toolStrip was added to TabControl. How to move toolStrip from the TabControl to the Form. I can use copy/... | 6,664,636 | 1 | 0 | null | 2011-07-12 08:08:26.06 UTC | 3 | 2011-07-12 13:08:30.69 UTC | null | null | null | null | 281,014 | null | 1 | 30 | visual-studio-2010|user-controls | 8,738 | <p>In the menu select View -> Other Windows -> Document Outline. In that window you see the hierarchical view of your components. Drag the controls to their new parent.</p> |
42,043,611 | Could not load the default credentials? (Node.js Google Compute Engine tutorial) | <p><strong>SITUATION:</strong></p>
<p>I follow this tutorial: <a href="https://cloud.google.com/nodejs/tutorials/bookshelf-on-compute-engine" rel="noreferrer">https://cloud.google.com/nodejs/tutorials/bookshelf-on-compute-engine</a></p>
<p>Everything works fine until I do <code>npm start</code> and go to:</p>
<p><a ... | 42,059,661 | 17 | 1 | null | 2017-02-04 17:56:05.53 UTC | 19 | 2021-11-04 15:49:13.573 UTC | 2017-02-04 18:02:46.803 UTC | null | 6,230,185 | null | 6,230,185 | null | 1 | 92 | javascript|node.js|google-cloud-platform|google-compute-engine | 105,375 | <p>Yes, I had the same error. It's annoying cause Google Cloud Platform docs for their "getting started" bookshelf tutorial does not mention this anywhere. Which means that any new developer who tries this tutorial will see this error.</p>
<p>Read this:
<a href="https://developers.google.com/identity/protocols/applica... |
20,449,543 | Shell equality operators (=, ==, -eq) | <p>What is the difference between <code>=</code>, <code>==</code> and <code>-eq</code> in shell scripting?</p>
<p>Is there any difference between the following?</p>
<pre><code>[ $a = $b ]
[ $a == $b ]
[ $a -eq $b ]
</code></pre>
<p>Is it simply that <code>=</code> and <code>==</code> are only used when the variables co... | 20,449,556 | 4 | 0 | null | 2013-12-08 03:29:58.933 UTC | 58 | 2022-05-28 23:34:46.73 UTC | 2021-11-26 23:56:12.473 UTC | null | 63,550 | null | 2,845,038 | null | 1 | 258 | bash|shell | 367,809 | <p><code>=</code> and <code>==</code> are for string comparisons<br />
<code>-eq</code> is for numeric comparisons<br />
<code>-eq</code> is in the same family as <code>-lt</code>, <code>-le</code>, <code>-gt</code>, <code>-ge</code>, and <code>-ne</code></p>
<p><code>==</code> is specific to bash (not present in sh (B... |
36,125,038 | Generate array of times (as strings) for every X minutes in JavaScript | <p>I'm trying to create an array of times (strings, not <code>Date</code> objects) for every X minutes throughout a full 24 hours. For example, for a 5 minute interval the array would be:</p>
<pre><code>['12:00 AM', '12:05 AM', '12:10 AM', '12:15 AM', ..., '11:55 PM']
</code></pre>
<p>My quick and dirty solution was ... | 36,126,706 | 15 | 2 | null | 2016-03-21 07:13:17.543 UTC | 14 | 2021-09-10 21:17:04.54 UTC | 2018-08-17 17:35:01.563 UTC | null | 438,581 | null | 438,581 | null | 1 | 46 | javascript|arrays | 61,822 | <p>If the interval is only to be set in minutes[0-60], then evaluate the below solution w/o creating the date object and in single loop:</p>
<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-overri... |
20,256,909 | Django: How to write query to sort using multiple columns, display via template | <p>I'm quite new to Django, and not too experienced with MVC, DB queries. </p>
<p>I have a Customer table which includes customer_name, city_name, as well as a state_name (pulled from a foreign key table). In the HTML, I'm trying to display the results in a list first sorted alphabetically by state_name, then by city_... | 20,257,999 | 3 | 0 | null | 2013-11-28 02:56:54.33 UTC | 6 | 2018-08-06 05:35:55.29 UTC | 2013-11-28 06:08:16.813 UTC | null | 952,112 | null | 2,316,803 | null | 1 | 37 | python|django|postgresql|sorting|django-queryset | 39,560 | <p>There are several levels for display ordered models objects in template, each one overwrite the previous level:</p>
<ol>
<li><strong>(MODEL LEVEL) Meta attribute <code>ordering</code></strong> as shows @Bithin in his answer (<em>more on <a href="https://docs.djangoproject.com/en/dev/ref/models/options/#django.db.mo... |
5,681,868 | Efficient BigDecimal round Up and down to two decimals | <p>In java am trying to find an efficient way to round a BigDecimal to two decimals, Up or Down based on a condition.</p>
<pre><code> IF condition true then:
12.390 ---> 12.39
12.391 ---> 12.40
12.395 ---> 12.40
12.399 ---> 12.40
If condition false then:
12.390 ---> 12.39
12.39... | 5,681,953 | 3 | 2 | null | 2011-04-15 20:12:01.993 UTC | 2 | 2011-04-15 23:17:10.063 UTC | null | null | null | null | 47,508 | null | 1 | 12 | java|rounding|bigdecimal | 53,897 | <pre><code>public static BigDecimal round(BigDecimal d, int scale, boolean roundUp) {
int mode = (roundUp) ? BigDecimal.ROUND_UP : BigDecimal.ROUND_DOWN;
return d.setScale(scale, mode);
}
round(new BigDecimal("12.390"), 2, true); // => 12.39
round(new BigDecimal("12.391"), 2, true); // => 12.40
round(new BigD... |
5,981,162 | list of users and roles that have permissions to an object (table) in SQL | <p>You'd think I'd be able to Google such a simple question. But no matter what I try, I hit a brick wall.</p>
<p>What is the TSQL statement to find a list of roles that have permissions to a table?</p>
<p>The pseudo-code looks like this:</p>
<pre><code>SELECT role_name
FROM permissions
where object_name = 'the_ta... | 6,021,753 | 3 | 0 | null | 2011-05-12 16:20:27.4 UTC | 4 | 2016-06-06 20:55:05.567 UTC | 2013-02-21 16:42:42.08 UTC | null | 44,853 | null | 200,669 | null | 1 | 19 | sql|tsql|permissions|azure-sql-database | 71,615 | <p>It's a bit tricky. First, remember that the built-in roles have pre-defined access; these won't show up in the query below. The proposed query lists custom database roles and which access they were specifically granted or denied. Is this what you were looking for?</p>
<pre><code>select permission_name, state_desc, ... |
5,930,671 | Why use $HOME over ~ (tilde) in a shell script? | <p>Is there any reason to use the variable <code>$HOME</code> instead of a simple <code>~</code> (tilde) in a shell script?</p> | 5,930,680 | 3 | 0 | null | 2011-05-08 22:04:47.813 UTC | 7 | 2021-09-16 17:50:41.813 UTC | 2021-09-16 17:50:41.813 UTC | null | 967,621 | null | 480,993 | null | 1 | 38 | shell|scripting|environment-variables|home-directory|tilde-expansion | 7,099 | <p>Tilde expansion doesn't work in some situations, like in the middle of strings like <code>/foo/bar:~/baz</code></p> |
5,990,089 | Jquery - Select td value for all the tr with a class | <p>I have a table</p>
<pre><code><table>
<tr class="PO1"></tr>
<tr class="PO2"></tr>
<tr class="PO3"></tr>
</table>
</code></pre>
<p>How can I loop through all tr with class <code>"PO1"</code> and get the value of each <code>'td'</code> value?</p>
... | 5,990,160 | 4 | 0 | null | 2011-05-13 09:47:27.933 UTC | 1 | 2014-01-07 10:50:54.173 UTC | 2014-01-07 10:50:54.173 UTC | null | 759,866 | null | 375,971 | null | 1 | 9 | jquery | 39,487 | <pre><code>var values = $('table tr.PO1 td').map(function(_, td) {
return $(td).text();
}).get();
</code></pre>
<p>This would just create an array with the text contents from each <code>td</code>. Probably a better idea to use a map/object instead:</p>
<pre><code>var values = $('table tr.PO1 td').map(function(ind... |
6,028,981 | Using HttpClient and HttpPost in Android with post parameters | <p>I'm writing code for an Android application that is supposed to take data, package it as Json and post it to a web server, that in turn is supposed to respond with json.</p>
<p>Using a GET request works fine, but for some reason using POST all data seems to get stripped and the server does not receive anything.</p>... | 6,029,205 | 4 | 2 | null | 2011-05-17 09:39:20.25 UTC | 15 | 2018-11-28 12:25:21.097 UTC | null | null | null | null | 74,012 | null | 1 | 34 | java|android|json|httpclient|http-post | 118,369 | <p>have you tried doing it without the JSON object and just passed two basicnamevaluepairs?
also, it might have something to do with your serversettings</p>
<p>Update:
this is a piece of code I use:</p>
<pre><code>InputStream is = null;
ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>... |
2,310,062 | How to force an index on inner joined tables? | <p>How do I force indexes on a query similar to this. I need to force an index on foo and bar individually.</p>
<pre><code>SELECT foo.*, bar.*
FROM foo
INNER JOIN bar ON foo.rel_id = bar.rel_id
WHERE foo.status = 1
AND bar.status = 1
</code></pre> | 2,310,125 | 2 | 1 | null | 2010-02-22 09:59:08.71 UTC | 6 | 2011-02-07 13:07:12.107 UTC | 2010-02-22 10:00:45.563 UTC | null | 17,343 | null | 175,562 | null | 1 | 22 | mysql|inner-join | 42,220 | <p>Assuming index <strong>a</strong> exists on foo and index <strong>b</strong> on bar:</p>
<pre><code>SELECT foo.*, bar.*
FROM foo FORCE INDEX (a)
INNER JOIN bar FORCE INDEX (b) ON foo.rel_id = bar.rel_id
WHERE foo.status = 1
AND bar.status = 1
</code></pre>
<p>would force index selection on MySql</p> |
59,494,037 | How to detect the device on React SSR App with Next.js? | <p>on a web application I want to display two different Menu, one for the Mobile, one for the Desktop browser.
I use Next.js application with server-side rendering and the library <a href="https://www.npmjs.com/package/react-device-detect" rel="noreferrer">react-device-detect</a>.</p>
<p>Here is the <a href="https://c... | 61,519,537 | 10 | 1 | null | 2019-12-26 22:19:24.797 UTC | 8 | 2022-09-20 10:02:09.12 UTC | null | null | null | null | 8,562,168 | null | 1 | 32 | reactjs|next.js|server-side-rendering|device-detection | 55,823 | <p><strong>LATEST UPDATE:</strong></p>
<p>So if you don't mind doing it client side you can use the dynamic importing as suggested by a few people below. This will be for use cases where you use static page generation.</p>
<p>i created a component which passes all the <code>react-device-detect</code> exports as props (... |
5,721,889 | Is there a list that is sorted automatically in .NET? | <p>I have a collection of <code>Layers</code> where they have names and colors. What I want to do is to sort these first based on colors, then based on their names:</p>
<pre><code>class Layer
{
public string Name {get; set;}
public LayerColor Color {get; set;}
}
enum LayerColor
{
Red,
Blue,
Green
... | 5,721,920 | 8 | 2 | null | 2011-04-19 19:53:59.817 UTC | 5 | 2017-04-27 01:52:36.96 UTC | null | null | null | null | 51,816 | null | 1 | 29 | c#|.net|list|sorting | 49,613 | <p>Did you search for it? <a href="http://msdn.microsoft.com/en-us/library/ms132319.aspx" rel="noreferrer">Generic SortedList</a> and <a href="http://msdn.microsoft.com/en-us/library/system.collections.sortedlist.aspx" rel="noreferrer">SortedList</a>.</p>
<p>So I missed the duplicate part which make it a little bit ha... |
6,102,398 | php implode (101) with quotes | <p>Imploding a simple array </p>
<p>would look like this</p>
<pre><code>$array = array('lastname', 'email', 'phone');
$comma_separated = implode(",", $array);
</code></pre>
<p>and that would return this</p>
<pre><code> lastname,email,phone
</code></pre>
<p>great, so i might do this instead </p>
<pre><code>$array... | 6,102,446 | 15 | 2 | null | 2011-05-23 20:06:35.183 UTC | 28 | 2021-10-01 10:16:50.92 UTC | null | null | null | null | 234,670 | null | 1 | 147 | php|arrays|string|csv|implode | 129,066 | <p>No, the way that you're doing it is just fine. <code>implode()</code> only takes 1-2 parameters (if you just supply an array, it joins the pieces by an empty string).</p> |
39,241,851 | Developing spring boot application with lower footprint | <p>In an attempt to keep our microservices, developed in spring-boot to run on Cloud Foundry, smaller in footprint, we are looking for best approach to achieve the same.</p>
<p>Any inputs or pointers in this direction will be most welcomed.</p>
<p>It's surely the best that one always builds the application upwards st... | 39,249,361 | 1 | 2 | null | 2016-08-31 06:04:01.917 UTC | 27 | 2018-07-18 20:15:39.003 UTC | null | null | null | null | 4,741,070 | null | 1 | 34 | spring-boot | 16,521 | <p>Below are some personal ideas on how to reach <strong>a smaller footprint</strong> with Spring Boot. Your question is too broad for these recommandations to be taken into account in any other context. I'm not entirely sure you want to follow these in most situation, it simply answers "how to achieve a smaller footpr... |
5,127,537 | Java 7 new IO API - Paths.exists | <p>Does anyone know what happened to the <code>path.exists()</code> API method in the latest Java 7 API?
I cannot find the change in the change logs, and between b123 and b130, the method has been removed from the API.I see that there is a static <code>Files.exists</code> method but I'm not sure if that is the replace... | 5,130,959 | 1 | 2 | null | 2011-02-26 14:46:36.603 UTC | 2 | 2016-04-09 02:10:03.38 UTC | 2011-02-26 14:53:10.497 UTC | null | 378,968 | null | 370,481 | null | 1 | 75 | java|api|nio | 56,810 | <h1><code>Files.exists</code></h1>
<p>Look in the <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/file/Files.html" rel="noreferrer"><code>Files</code></a> class for the static methods <a href="http://docs.oracle.com/javase/8/docs/api/java/nio/file/Files.html#exists-java.nio.file.Path-java.nio.file.LinkOptio... |
40,956,671 | Passing event and argument to v-on in Vue.js | <p>I pass a parameter in <code>v-on:input</code> directives. If I don't pass it, I can access the event in the method. Is there any way I can still access the event when passing the parameter to the function? Note that I am using vue-router.</p>
<p>This is without passing the parameter. I can access the event object:</... | 40,956,873 | 4 | 0 | null | 2016-12-04 08:07:05.453 UTC | 30 | 2022-07-15 19:47:02.297 UTC | 2021-12-02 18:01:38.983 UTC | null | 11,047,824 | null | 4,144,667 | null | 1 | 261 | vue.js | 226,367 | <p>If you want to access event object as well as data passed, you have to pass <code>event</code> and <code>ticket.id</code> both as parameters, like following:</p>
<p><strong>HTML</strong></p>
<pre class="lang-html prettyprint-override"><code><input type="number" v-on:input="addToCart($event, ticket.... |
33,306,859 | The required anti-forgery cookie "__RequestVerificationToken" is not present | <p>My website is raising this exception around 20 times a day, usually the form works fine but there are instances where this issue occur and I don't know why is so random.</p>
<p>This is logged exception by elmah</p>
<blockquote>
<p>500 HttpAntiForgery The required anti-forgery cookie __RequestVerificationToken"... | 33,314,529 | 8 | 0 | null | 2015-10-23 16:04:28.93 UTC | 10 | 2020-07-13 10:48:43.517 UTC | 2017-05-01 01:37:36.88 UTC | null | 584,192 | null | 1,964,280 | null | 1 | 38 | c#|jquery|asp.net-mvc|cookies|antiforgerytoken | 80,433 | <p>It almost sounds as if things are working as expected. </p>
<p>The way the anti forgery helper <code>@Html.AntiForgeryToken()</code> works is by injecting a hidden form field named <code>__RequestVerificationToken</code> into the page AND it also sets a cookie into the browser.</p>
<p>When the form is posted back... |
23,221,096 | Hibernate String Primary Key with Annotation | <p>I am trying to create a Privilege class with Annotations whose Primary Key is a String. I will assign them manually while inserting. Therefore no need for hibernate to generate a value for it. I'm trying to do something like that:</p>
<pre><code>@Id
@GeneratedValue(generator = "assigned")
@Column(name = "ROLE_NAME"... | 23,221,371 | 4 | 0 | null | 2014-04-22 13:30:29.423 UTC | 3 | 2021-10-21 12:52:46.667 UTC | null | null | null | null | 618,279 | null | 1 | 11 | java|hibernate|annotations|primary-key | 41,004 | <p>Since the <code>roleName</code> is not auto-generated, you should simply not annotate it with <code>@GeneratedValue</code>:</p>
<pre><code>@Id
@Column(name = "ROLE_NAME", nullable = false)
private String roleName;
</code></pre> |
19,118,367 | How do I set up Bootstrap after downloading via Composer? | <p>I'm a beginner with Composer, so I know little about it and have little experience with web application development.</p>
<p>I was reading the <a href="https://net.tutsplus.com/tutorials/javascript-ajax/combining-laravel-4-and-backbone/" rel="nofollow noreferrer">Nettuts+</a> Tutorial, and have a basic question abou... | 21,039,021 | 7 | 0 | null | 2013-10-01 14:07:03.09 UTC | 7 | 2019-11-14 14:03:43.243 UTC | 2019-07-28 17:50:30.583 UTC | null | 964,243 | null | 1,536,973 | null | 1 | 32 | laravel|laravel-4|twitter-bootstrap-3|composer-php | 47,980 | <p>We have artisan command to publish the assets(CSS, JS,..). Something like this should work.</p>
<pre><code>php artisan asset:publish --path="vendor/twitter/bootstrap/bootstrap/css" bootstrap/css
php artisan asset:publish --path="vendor/twitter/bootstrap/bootstrap/js" bootstrap/js
</code></pre>
<p>i am not sure abo... |
48,151,332 | Why are AWS Batch Jobs stuck in RUNNABLE? | <p>I use a computing environment of 0-256 m3.medium on demand instances. My Job definition requires 1 CPU and 3 GB of Ram, which m3.medium has.</p>
<p>What are possible reasons why AWS Batch Jobs are stuck in state <code>RUNNABLE</code>?</p>
<p><a href="https://docs.aws.amazon.com/batch/latest/userguide/job_states.ht... | 48,706,035 | 5 | 0 | null | 2018-01-08 13:29:06.19 UTC | 5 | 2020-03-27 15:29:42.227 UTC | 2018-01-08 13:36:50.307 UTC | null | 7,531,531 | null | 7,531,531 | null | 1 | 31 | amazon-web-services|aws-batch|aws-ecs | 13,318 | <p>There are other reasons why a Job can get stuck in RUNNABLE:</p>
<ul>
<li>Insufficient permissions for the role associated to the Computed Environment</li>
<li>No internet access from the Compute Environment instance.
You will need to associate a <a href="https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/vpc-n... |
21,341,616 | Publish Multiple Projects to Different Locations on Azure Website | <p><em>Feel free to recommend a better title or changes to my explanation below!</em></p>
<p>I am using Windows Azure Websites (for the first time) and have connected it to a solution in Visual Studio Online (also my first time). I was also able to connect to Visual Studio Online, create a project, throw up a master p... | 21,346,077 | 1 | 0 | null | 2014-01-24 20:11:03.777 UTC | 15 | 2014-01-26 09:52:27.053 UTC | null | null | null | null | 1,018,496 | null | 1 | 24 | azure|visual-studio-2013|azure-web-app-service|azure-devops | 7,797 | <ol>
<li>Go to the Configure tab for the site in Azure portal.</li>
<li><p>Scroll all the way to the bottom then add a new application where ever you want like Project2 below.
<img src="https://i.stack.imgur.com/e1y8e.jpg" alt=""></p>
<p>Basically the 'Project2' part is the URL after the root '/' and the 'site\wwwroot... |
29,039,462 | Which certificate should I use to sign my Mac OS X application? | <p>We are developing a Mac OS X application that we are going to distribute outside the Mac App Store. We ended up having these certificates in the Mac Developers program:</p>
<p><img src="https://i.stack.imgur.com/UETpj.png" alt="List of six certificates: two of type Mac Development, four of types Developer ID Instal... | 29,040,068 | 2 | 0 | null | 2015-03-13 18:29:42.567 UTC | 9 | 2018-11-13 18:39:01.643 UTC | 2015-03-20 20:37:14.163 UTC | null | 2,157,640 | null | 6,068 | null | 1 | 16 | xcode|macos|certificate|release | 11,646 | <p>For development (for example, the Debug configuratino) use the <code>Mac Developer</code> option, which will choose your local Mac Developer certificate (in your case "Mac Developer: José Fernández"), which is meant for team members working on your project (includes testing/debugging).</p>
<p>For Release, use "Deve... |
21,893,674 | Print Function Linked Lists C++ | <p>I'm currently learning Linked Lists in C++, and I can't write a print function which prints out the elements of the list; I mean I wrote the function but it doesn't work properly.</p>
<pre><code>#include <iostream>
using namespace std;
struct node
{
char name[20];
node* next;
};
node* addNewPerson(... | 21,894,342 | 6 | 1 | null | 2014-02-19 22:13:09.487 UTC | 2 | 2019-12-15 12:05:11.787 UTC | 2014-02-20 01:18:44.5 UTC | null | 1,009,479 | null | 2,075,578 | null | 1 | 3 | c++|function|printing|linked-list | 49,193 | <p>It is obvious that function addNewPerson is wrong.</p>
<pre><code>node* addNewPerson(node* head)
{
node* person = new node;
cout << "Name: ";
cin >> person->name;
person->next = NULL;
if (head == NULL) //is empty
{
head = person;
}
else
{
per... |
33,423,702 | How to use > (greater-than) inside a template parameter and not get a parsing error? | <p>I want to only define a function based on the size of the template parameter:</p>
<pre><code>template <class T>
typename std::enable_if<sizeof(T) > 1, void>::type
foobify(T v) {
// ...
}
int main() {
//foobify((unsigned char)30); // should not compile
foobify((long)30);
}
</code></pre>
... | 33,423,740 | 3 | 2 | null | 2015-10-29 20:11:10.843 UTC | 2 | 2021-07-29 03:11:22.373 UTC | null | null | null | null | 15,055 | null | 1 | 28 | c++|parsing|templates | 6,048 | <p>Yes, expressions using that operator must be parenthesized. See [temp.names]/3:</p>
<blockquote>
<p>When parsing a <em>template-argument-list</em>, <strong>the first non-nested <code>></code><sup>138</sup> is taken as the ending delimiter
rather than a greater-than operator.</strong> [..] [ <em>Example:</em>... |
29,999,360 | Upgrading mongodb has no effect and still shows the old version | <p>Following are the commands which I used to upgrade my mongodb version from 2.6.9 to latest, but its still showing me the previous version. Let me know what I am doing wrong with the upgrading process. The problem is that <code>mongod -version</code> still shows the old version installed after upgrade.</p>
<p>Docs w... | 30,327,520 | 9 | 5 | null | 2015-05-02 06:49:58.95 UTC | 8 | 2022-03-24 03:07:11.007 UTC | 2017-06-30 12:50:51.483 UTC | null | 1,590,502 | null | 639,406 | null | 1 | 47 | mongodb|ubuntu | 32,046 | <p>I'm in the exact same situation, followed the exact same steps, and had the same issue.</p>
<p>What worked for me was:</p>
<p><a href="http://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/#uninstall-mongodb" rel="nofollow noreferrer">Uninstalling</a>:</p>
<pre><code>sudo service mongod stop
sudo apt-get... |
34,094,030 | Log all HTTP requests of Tomcat Server? | <p>Is it possible to print all requests to Tomcat and responses from Tomcat in a logfile?</p>
<p>ex:</p>
<blockquote>
<blockquote>
<p>request</p>
<p>headers: [header1=a, header2=a]</p>
<p>params: [param1=avv, param2=b]</p>
<p>response</p>
<p>status-code = 200</p>
<p>... | 34,096,888 | 3 | 1 | null | 2015-12-04 17:25:27.23 UTC | 4 | 2019-01-02 14:39:11.703 UTC | 2019-01-02 14:39:11.703 UTC | null | 352,319 | null | 2,836,188 | null | 1 | 12 | tomcat|logging|request | 58,850 | <p>Put an <code>AccessLogValve</code> in the <code>Host</code> or <code>Context</code> element e.g.:</p>
<pre><code><Host name="www.mysite.com" appBase="..." >
<Valve className="org.apache.catalina.valves.AccessLogValve"
directory="logs" prefix="mysitelog." suffix=".txt"
pattern="..." resolveH... |
10,553,377 | How to make a digital signature in a web application (JavaScript) using a smartcard? | <p>We have written a document management system and would like to digitally sign documents using the web client. Our Java client application is already able to apply and check digital signature, but we would like to make signature even with our web client. This is written in GWT and so, when run on the client side, it ... | 10,561,313 | 5 | 1 | null | 2012-05-11 14:31:46.17 UTC | 10 | 2019-04-18 16:29:11.36 UTC | 2016-05-24 18:33:32.797 UTC | null | 472,495 | null | 387,880 | null | 1 | 9 | digital-signature|npapi|pkcs#11 | 27,262 | <p>After some more googling I found the answer. Mozilla export part of its NSS module via <a href="https://developer.mozilla.org/en/JavaScript_crypto" rel="nofollow noreferrer">window.crypto</a> object. A more standard way of doing such operation is probably via <a href="https://wiki.mozilla.org/Privacy/Features/DOMCry... |
22,755,795 | how to Retrieve data from database and display it in a jsp text fields using jdbc connection | <p>I am retrieving data from database and displaying it in table in a <code>JSP</code> but I do not have any idea about how to display it on text fields.</p>
<p>e.g. </p>
<ol>
<li>when I search a index number.</li>
<li>the the result (name , address, age) must come to the textfeilds which are in my <code>JSP</code></... | 46,153,735 | 5 | 2 | null | 2014-03-31 07:27:10.873 UTC | 1 | 2017-09-11 10:41:07.017 UTC | 2017-09-11 10:08:52.687 UTC | null | 7,294,900 | null | 2,695,450 | null | 1 | 5 | java|mysql|jsp|jdbc | 62,978 | <p>Make sure you have included the jdbc driver in your project and "build" it. Then:</p>
<ol>
<li><p>Make the database connection and retrieve the query result. </p></li>
<li><p>Return the query result and save in an object of ResultSet.</p></li>
<li><p>Traverse through the object and display the query results.</p></l... |
7,626,076 | How to set current date and time using prepared statement? | <p>I have a column in database having datatype <code>DATETIME</code>. I want to set this column value to current date and time using `PreparedStatement. How do I do that?</p> | 7,626,080 | 2 | 0 | null | 2011-10-02 11:31:08.313 UTC | 9 | 2018-05-04 17:30:57.21 UTC | 2011-10-02 11:41:19.95 UTC | null | 157,882 | null | 266,074 | null | 1 | 31 | java|datetime|jdbc|prepared-statement | 84,501 | <p>Use <a href="http://download.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html#setTimestamp%28int,%20java.sql.Timestamp%29" rel="noreferrer"><code>PreparedStatement#setTimestamp()</code></a> wherein you pass a <a href="http://download.oracle.com/javase/6/docs/api/java/sql/Timestamp.html" rel="noreferrer">... |
7,063,053 | PHP Error handling: die() Vs trigger_error() Vs throw Exception | <p>In regards to Error handling in PHP -- As far I know there are 3 styles:</p>
<ol>
<li><p><code>die()</code>or <code>exit()</code> style:</p>
<pre><code>$con = mysql_connect("localhost","root","password");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
</code></pre></li>
<li><p><code>throw Exception</... | 7,063,076 | 2 | 3 | null | 2011-08-15 08:42:08.65 UTC | 43 | 2017-03-21 21:38:53.547 UTC | 2017-03-21 21:38:53.547 UTC | null | 7,735,647 | null | 367,985 | null | 1 | 131 | error-handling|php | 32,829 | <p>The first one should never be used in production code, since it's transporting information irrelevant to end-users (a user can't do anything about <em>"Cannot connect to database"</em>).</p>
<p>You throw Exceptions if you know that at a certain critical code point, your application <em>can fail</em> and you want yo... |
22,945,826 | What does "unsupported operand type(s) for -: 'int' and 'tuple'" means? | <p>I got a error saying:</p>
<pre><code>unsupported operand type(s) for -: 'int' and 'tuple'
</code></pre>
<p>How do I correct it?</p>
<pre><code>from scipy import integrate
cpbar = lambda T: (3.826 - (3.979e-3)*T + 24.558e-6*T**2 - 22.733e-9*T**3 + 6.963e-12*T**4)*8.314
deltahbarCH4 = integrate.quad(cpbar,298,1000)... | 22,945,940 | 2 | 1 | null | 2014-04-08 18:54:29.797 UTC | 2 | 2014-04-08 19:06:12.483 UTC | 2014-04-08 19:03:22.823 UTC | null | 100,297 | null | 3,498,229 | null | 1 | 6 | python|scipy|tuples | 63,016 | <p><a href="http://docs.scipy.org/doc/scipy-0.13.0/reference/generated/scipy.integrate.quad.html" rel="nofollow"><code>integrate.quad()</code> returns a tuple</a>; <code>deltahbarCO2 + 2*deltahbarH2O</code> is an integer, you are trying to subtract the <code>var</code> tuple.</p>
<p>If you wanted <em>just</em> the int... |
23,138,671 | how to add authentication header to $window.open | <p>I have angularjs application where users enter data that is saved to database, then on server side it is compiled into pdf file. All access requires appropriate authentication headers in place. After needed data is filled a user presses button to save data and then to retrieve pdf file. Optimally, I call <code>$wind... | 33,047,717 | 3 | 2 | null | 2014-04-17 16:31:18.903 UTC | 9 | 2020-01-09 10:04:25.907 UTC | 2017-02-22 17:08:45.98 UTC | null | 1,272,394 | null | 2,576,168 | null | 1 | 23 | angularjs|authentication|download | 58,686 | <p>I think you can add this authentication parameters in URL and do a GET in your server side</p>
<pre><code>//Add authentication headers as params
var params = {
access_token: 'An access_token',
other_header: 'other_header'
};
//Add authentication headers in URL
var url = [url_generating_pdf, $.param(params)... |
37,663,854 | Convert ggplot object to plotly in shiny application | <p>I am trying to convert a ggplot object to plotly and show it in a shiny application. But I encountered an error "no applicable method for 'plotly_build' applied to an object of class "NULL""</p>
<p>I was able to return the ggplot object to the shiny application successfully, </p>
<pre><code>output$plot1 <- rend... | 37,664,052 | 2 | 1 | null | 2016-06-06 17:52:43.643 UTC | 11 | 2021-04-23 00:16:54.337 UTC | null | null | null | null | 5,016,733 | null | 1 | 21 | r|ggplot2|shiny|plotly | 23,281 | <p>Try:</p>
<pre><code>library(shiny)
library(ggplot2)
library(ggthemes)
library(plotly)
ui <- fluidPage(
titlePanel("Plotly"),
sidebarLayout(
sidebarPanel(),
mainPanel(
plotlyOutput("plot2"))))
server <- function(input, output) {
output$plot2 <- renderPlotly({
ggplotly(
ggpl... |
37,889,914 | What is a projection layer in the context of neural networks? | <p>I am currently trying to understand the architecture behind the <em>word2vec</em> neural net learning algorithm, for representing words as vectors based on their context.</p>
<p>After reading <a href="http://arxiv.org/pdf/1301.3781v3.pdf" rel="noreferrer">Tomas Mikolov paper</a> I came across what he defines as a <... | 58,910,682 | 3 | 2 | null | 2016-06-17 20:30:07.347 UTC | 27 | 2020-12-01 10:25:41.65 UTC | 2017-11-18 21:20:45.083 UTC | null | 3,924,118 | null | 4,747,593 | null | 1 | 59 | machine-learning|nlp|neural-network|word2vec | 18,216 | <p>I find the previous answers here a bit overcomplicated - a projection layer is just a simple matrix multiplication, or in the context of NN, a regular/dense/linear layer, without the non-linear activation in the end (sigmoid/tanh/relu/etc.) The idea is to <strong>project</strong> the (e.g.) 100K-dimensions discrete ... |
37,775,675 | Imageview set color filter to gradient | <p>I have a white image that I'd like to color with a gradient. Instead of generating a bunch of images each colored with a specific gradient, I'd like to do this in code (not xml). </p>
<p>To change an image's color, I use </p>
<pre><code>imageView.setColorFilter(Color.GREEN);
</code></pre>
<p>And this works fine. ... | 37,816,689 | 3 | 2 | null | 2016-06-12 14:59:29.703 UTC | 14 | 2016-06-17 08:55:40.637 UTC | 2016-06-16 19:40:30.553 UTC | null | 2,022,349 | null | 2,022,349 | null | 1 | 30 | android|imageview|gradient | 13,389 | <p>You have to get <code>Bitmap</code> of your <code>ImageView</code> and redraw same <code>Bitmap</code> with <code>Shader</code></p>
<pre><code>public void clickButton(View v){
Bitmap myBitmap = ((BitmapDrawable)myImageView.getDrawable()).getBitmap();
Bitmap newBitmap = addGradient(myBitmap);
myImageVie... |
37,004,069 | Error:Jack is required to support java 8 language features | <p>When I tried to update my android project to use Java 8 after getting android studio 2.1 and android N SDK
by adding </p>
<pre><code>compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
</code></pre>
<p>I had this error </p>
<blockquote>
<p>Error:Jac... | 37,004,259 | 1 | 2 | null | 2016-05-03 12:24:28.437 UTC | 27 | 2017-08-19 04:45:00.2 UTC | 2016-07-23 18:16:50.337 UTC | null | 6,051,408 | null | 3,998,402 | null | 1 | 138 | android|android-studio|android-gradle-plugin|jack-compiler | 90,682 | <blockquote>
<p>Error:Jack is required to support java 8 language features. Either
enable Jack or remove sourceCompatibility JavaVersion.VERSION_1_8.</p>
</blockquote>
<p>The error say that you have to <strong>enable Jack</strong>.</p>
<p>To enable support for Java 8 in your Android project, you need to configure... |
47,721,246 | EF Core 2.0 Enums stored as string | <p>I was able to store an enum as a string in the database.</p>
<pre><code>builder.Entity<Company>(eb =>
{
eb.Property(b => b.Stage).HasColumnType("varchar(20)");
});
</code></pre>
<p>But when it comes time to query EF doesn't know to parse the string into an enum. How can I query like so:</p>
<pre><... | 50,589,798 | 3 | 4 | null | 2017-12-08 19:50:13.067 UTC | 4 | 2022-07-15 21:08:13.663 UTC | null | null | null | null | 2,097,401 | null | 1 | 30 | entity-framework|ef-core-2.0 | 23,554 | <p>Value Conversions feature is new in EF Core 2.1.</p>
<blockquote>
<p>Value converters allow property values to be converted when reading
from or writing to the database. This conversion can be from one value
to another of the same type (for example, encrypting strings) or from
a value of one type to a value... |
2,051,632 | IE8 XSS filter: what does it really do? | <p>Internet Explorer 8 has a new security feature, an <a href="http://msdn.microsoft.com/en-us/library/dd565647%28VS.85%29.aspx" rel="noreferrer">XSS filter</a> that tries to intercept cross-site scripting attempts. It's described this way:</p>
<blockquote>
<p>The XSS Filter, a feature new to Internet Explorer 8,... | 2,052,195 | 3 | 1 | null | 2010-01-12 19:12:58.41 UTC | 15 | 2011-03-25 05:15:40.81 UTC | null | null | null | null | 14,343 | null | 1 | 45 | internet-explorer-8|xss | 46,736 | <p>What does it really do? It allows third parties to link to a messed-up version of your site.</p>
<p>It kicks in when [a few conditions are met and] it sees a string in the query submission that also exists verbatim in the page, and which it thinks might be dangerous.</p>
<p>It assumes that if <code><script>s... |
2,092,327 | What is the most clever and easy approach to sync data between multiple entities? | <p>In today’s world where a lot of computers, mobile devices or web services share data or act like hubs, syncing gets more important. As we all know solutions that sync aren’t the most comfortable ones and it’s best not to sync at all.</p>
<p>I’m still curious how you would implement a syncing solution to sync betwee... | 2,094,197 | 3 | 0 | null | 2010-01-19 09:12:52.883 UTC | 54 | 2021-06-17 09:34:32.77 UTC | 2016-01-10 15:25:47.153 UTC | null | 4,370,109 | null | 133,166 | null | 1 | 51 | database|algorithm|mobile|synchronization | 13,955 | <p>Where I work we have developed an "offline" version of our main (web) application for users to be able to work on their laptops in locations where they do not have internet access. When the user comes back to the main site they need to synchronise the data they entered offline with our main application.</p... |
8,671,702 | Passing list of parameters to SQL in psycopg2 | <p>I have a list of ids of rows to fetch from database. I'm using python and psycopg2, and my problem is how to effectively pass those ids to SQL? I mean that if I know the length of that list, it is pretty easy because I can always manually or automatically add as many "%s" expressions into query string as needed, but... | 8,671,854 | 3 | 1 | null | 2011-12-29 18:21:04.927 UTC | 10 | 2022-02-28 12:30:58.253 UTC | 2011-12-29 18:27:25.36 UTC | null | 183,066 | null | 785,454 | null | 1 | 60 | python|postgresql|psycopg2 | 34,472 | <p>Python tuples are converted to sql lists in psycopg2:</p>
<pre><code>cur.mogrify("SELECT * FROM table WHERE column IN %s;", ((1,2,3),))
</code></pre>
<p>would output</p>
<pre><code>'SELECT * FROM table WHERE column IN (1,2,3);'
</code></pre>
<p>For Python newcomers: It is unfortunately important to use a tuple, ... |
19,322,345 | How do I change the default index page in Apache? | <p>I would like to change the default web page that shows up when I browse my site. I currently have a reporting program running, and it outputs a file called index.html. I cannot change what it calls the file. Therefore, my landing page must be called something else. Right now, when I browse my site it takes me to the... | 19,322,414 | 3 | 1 | null | 2013-10-11 15:54:25.37 UTC | 19 | 2021-08-18 17:09:02.183 UTC | 2013-10-11 16:45:14.033 UTC | null | 1,340,075 | null | 1,340,075 | null | 1 | 81 | html|apache|indexing|default | 452,082 | <p>I recommend using <code>.htaccess</code>. You only need to add:</p>
<pre><code>DirectoryIndex home.php
</code></pre>
<p>or whatever page name you want to have for it.</p>
<p><strong>EDIT</strong>: basic htaccess tutorial.</p>
<p>1) Create <code>.htaccess</code> file in the directory where you want to change the ... |
562,108 | How do I use a GlobalContext property in a log4net appender name? | <p>I'm trying to customise a log4net file path to use a property I have set in the <code>log4net.GlobalContext.Properties</code> dictionary.</p>
<pre><code>log4net.GlobalContext.Properties["LogPathModifier"] = "SomeValue";
</code></pre>
<p>I can see that this value is set correctly when debugging through it. and then... | 572,251 | 4 | 0 | null | 2009-02-18 17:41:41.063 UTC | 16 | 2014-10-07 23:28:13.987 UTC | 2013-03-05 14:24:51.637 UTC | null | 3,619 | Long Pham | 67,965 | null | 1 | 40 | c#|log4net | 43,237 | <p>I ran into the same behavior and solved it by setting the global variable before calling the XmlConfigurator... Here is what I am successfully using:</p>
<p>log4net.config details:</p>
<pre><code><appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender,log4net">
<File type="lo... |
42,974,450 | Iterate over Worksheets, Rows, Columns | <p>I want to print all data (all rows) of a specific column in python using <code>openpyxl</code> I am working in this way;</p>
<pre><code>from openpyxl import load_workbook
workbook = load_workbook('----------/dataset.xlsx')
sheet = workbook.active
for i in sheet:
print(sheet.cell(row=i, column=2).value)
</code>... | 42,977,775 | 3 | 3 | null | 2017-03-23 11:15:11.143 UTC | 14 | 2020-01-10 04:02:17.577 UTC | 2018-09-19 07:43:37.5 UTC | null | 7,414,759 | null | 6,705,756 | null | 1 | 18 | python|openpyxl | 52,204 | <p>Read the <a href="http://openpyxl.readthedocs.io" rel="noreferrer">OpenPyXL Documentation</a></p>
<p>Iteration over all <code>worksheets</code> in a <code>workbook</code>, for instance: </p>
<pre><code>for n, sheet in enumerate(wb.worksheets):
print('Sheet Index:[{}], Title:{}'.format(n, sheet.title))
</code>... |
37,284,216 | Spark SQL passing a variable | <p>I have following Spark sql and I want to pass variable to it. How to do that? I tried following way.</p>
<pre><code> sqlContext.sql("SELECT count from mytable WHERE id=$id")
</code></pre> | 37,284,383 | 6 | 1 | null | 2016-05-17 18:57:48.09 UTC | 1 | 2022-07-21 07:28:20.73 UTC | 2016-05-17 19:11:17.12 UTC | null | 1,410,669 | null | 1,260,441 | null | 1 | 11 | sql|select | 43,729 | <p>You are almost there just missed <code>s</code> :)</p>
<pre><code>sqlContext.sql(s"SELECT count from mytable WHERE id=$id")
</code></pre> |
32,239,353 | Command Validation in DDD with CQRS | <p>I am learning DDD and making use of the CQRS pattern. I don't understand how to validate business rules in a command handler without reading from the data store. </p>
<p>For example, Chris wants to give Ashley a gift.</p>
<p>The command might be GiveGiftCommand. </p>
<p>At what point would I verify Chris actua... | 32,245,241 | 3 | 4 | null | 2015-08-27 01:41:22.477 UTC | 9 | 2017-07-29 02:53:14.143 UTC | null | null | null | null | 234,867 | null | 1 | 19 | validation|domain-driven-design|cqrs | 10,576 | <p>There are different views and opinions about validation in command handlers.</p>
<p>Command <strong>can be rejected</strong>, we can say <strong>No</strong> to the command if it is not valid.</p>
<p>Typically you would have a validation that occurs on the UI and that might be duplicated inside the command handler ... |
4,210,254 | How to sign a JAR file using a .PFX file | <p>We sign our .net code with a .PFX cert file. A colleague now needs to use the the same cert to sign a .jar file for a customer.</p>
<p>Can someone point me to a link or an example of how I can do this please?</p>
<p>The jar file will be used on Oracle Web Logic Server running on Solaris.</p>
<p>And, once signed d... | 4,210,860 | 1 | 0 | null | 2010-11-17 23:26:03.537 UTC | 10 | 2021-11-25 22:01:32.447 UTC | null | null | null | null | 30,225 | null | 1 | 13 | certificate|code-signing|pfx|jar-signing | 18,078 | <p>[Link updated thanks to @Ezequiel]</p>
<p><a href="https://support.comodo.com/index.php?/Knowledgebase/Article/View/1207/7/how-to-sign-java-jar-files" rel="nofollow noreferrer">https://support.comodo.com/index.php?/Knowledgebase/Article/View/1207/7/how-to-sign-java-jar-files</a></p>
<p>Check if you can see the certs... |
39,135,233 | Create a paginated PDF—Mac OS X | <p>I am making a Mac app (in Swift 3 using Xcode 8, Beta 5) with which the user can make a long note and export it as a PDF. </p>
<p>To create this PDF, I am using Cocoa's <code>dataWithPDF:</code> method with the following code:</p>
<pre><code>do {
// define bounds of PDF as the note text view
let rect: NSRect... | 39,479,101 | 1 | 4 | null | 2016-08-25 01:12:14.25 UTC | 9 | 2017-03-13 00:37:35.047 UTC | 2016-09-05 20:34:11.707 UTC | null | 5,700,898 | null | 5,700,898 | null | 1 | 13 | swift|macos|cocoa|pdf|swift3 | 3,438 | <p>After weeks of frustration, I have come up with the definitive way of creating a paginated PDF in a Swift app. And it's not as complicated as it seems (the following is based on <strong>Swift 2</strong>):</p>
<hr>
<p><strong><em>Note</em></strong>: Before you read more, you should know I made an easy tool on Githu... |
6,834,579 | How to replace line-breaks with commas using grep in TextWrangler? | <p>I have a text-file container a number of lines, which I need to turn into a csv. What is the easiest way to replace all the line-breaks with ", ". I have TextWrangler and read that it would do so by using grep and regular expressions, but have very little experience using regular expressions and don't know how grep ... | 6,834,707 | 2 | 0 | null | 2011-07-26 18:15:41.743 UTC | 3 | 2020-01-07 04:09:22.23 UTC | null | null | null | null | 864,046 | null | 1 | 19 | regex|grep|line-breaks|textwrangler | 70,910 | <ol>
<li>Choose Find from the Search menu. TextWrangler opens the Find window.</li>
<li>Select the "Grep" checkbox</li>
<li>Type the string you are looking for ("\n" or "\r\n" or "\r") in the Find textfield.</li>
<li>Type the replace string (", ") in the Replace text field.</li>
<li>Click "Replace All"</li>
</ol>
<p>S... |
6,860,686 | Extend AuthorizeAttribute Override AuthorizeCore or OnAuthorization | <p>Using ASP.NET MVC I am creating a custom Authorize attribute to take care of some custom authorization logic. I have looked at a lot of examples and it is pretty straight forward but my question is which method is best to override, AuthorizeCore or OnAuthorization? I have seen many examples overriding one or the o... | 6,860,804 | 2 | 1 | null | 2011-07-28 14:31:01.497 UTC | 13 | 2014-02-17 15:14:57.01 UTC | null | null | null | null | 489,213 | null | 1 | 55 | asp.net-mvc|asp.net-mvc-3|authorization|action-filter | 19,076 | <p>The clue is in the return types:</p>
<p><code>AuthorizeCore</code> returns a boolean - it is <em>decision making</em> code. This should be limited to looking at the user's identity and testing which roles they are in etc. etc. Basically it should answer the question: </p>
<p><code>Do I want this user to proceed?</... |
7,462,398 | Django template, if tag based on current URL value | <p>I want to be able to do an if tag based on the current URL value.</p>
<p>for example, if the current page's url is <code>accounts/login/</code> then don't show a link, without passing a variable from the view.</p>
<p>I am not sure how I can write an <code>{% if %}</code> tag for this, is it possible?</p> | 7,462,469 | 3 | 1 | null | 2011-09-18 15:18:44.96 UTC | 5 | 2021-09-23 07:33:38.893 UTC | null | null | null | null | 851,920 | null | 1 | 32 | django | 25,851 | <p>If you pass the "request" object to your template, then you are able to use this:</p>
<pre><code>{% if request.get_full_path == "/account/login/" %}
</code></pre> |
7,231,157 | How to submit form on change of dropdown list? | <p>I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet.</p>
<pre><code> </select>
<input type="submit" name="GO" value="Go"/>
</code></pre>
<p>How do I make it so that i... | 7,231,215 | 4 | 0 | null | 2011-08-29 14:00:58.77 UTC | 56 | 2022-09-15 01:53:36.187 UTC | 2011-08-29 14:07:08.223 UTC | null | 157,882 | null | 329,563 | null | 1 | 359 | html|jsp | 761,979 | <p>Just ask assistance of JavaScript.</p>
<pre><code><select onchange="this.form.submit()">
...
</select>
</code></pre>
<h3>See also:</h3>
<ul>
<li><a href="http://www.htmldog.com/guides/htmlintermediate/javascript/" rel="noreferrer">HTML dog - JavaScript tutorial</a></li>
</ul> |
21,775,082 | how to remove duplicates in SAS data step | <p>How to remove duplicates in SAS data step. </p>
<pre><code>data uscpi;
input year month cpi;
datalines;
1990 6 129.9
1990 7 130.4
1990 8 131.6
1990 9 132.7
1991 4 135.2
1991 5 135.6
1991 6 136.0
1991 7 136.2
;
run;
PROC SORT DATA = uscpi OUT = uscpi_dist NODUPKEY;
... | 21,775,491 | 1 | 2 | null | 2014-02-14 09:10:33.97 UTC | 1 | 2014-09-18 10:25:59.117 UTC | 2014-02-14 09:14:32.643 UTC | null | 426,834 | null | 3,298,261 | null | 1 | 1 | duplicates|sas|datastep | 38,731 | <p>You can use the <code>first.</code> & <code>last.</code> automatic variables created by SAS when using <code>by-group</code> processing. They give more control on which row you consider as duplicate.
Please read the manual to <a href="https://support.sas.com/documentation/cdl/en/lrcon/62955/HTML/default/viewer.h... |
42,888,024 | Git Bash (mintty) is extremely slow on Windows 10 OS | <p>I installed Git on my <strong>Windows 10</strong> a couple of months ago. It worked well for some time. But now, it's running very slow.</p>
<p>The <code>git status</code> command takes <strong>7 seconds</strong> to execute, and <code>git stash</code> takes <strong>many minutes</strong> for stashing (even if there i... | 43,762,587 | 20 | 10 | null | 2017-03-19 14:55:33.87 UTC | 39 | 2022-07-28 17:32:53.41 UTC | 2021-11-28 23:34:02.297 UTC | null | 7,263,373 | null | 7,263,373 | null | 1 | 115 | git|windows-10|git-bash|mingw-w64|mintty | 106,939 | <p>I recently ran into the exact same issue. After trying all the advice from this thread and a lot of other threads, I finally found a solution <a href="https://github.com/git-for-windows/git/issues/1129" rel="noreferrer">here</a>, respectively in the linked issue <a href="https://github.com/git-for-windows/git/issues... |
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