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Get index of element as child relative to parent
...e jQuery to accomplish this, if you don't want to. To achieve this with built-in DOM manipulation, get a collection of the li siblings in an array, and on click, check the indexOf the clicked element in that array.
const lis = [...document.querySelectorAll('#wizard > li')];
lis.forEach((li)...
What is PECS (Producer Extends Consumer Super)?
...ings, but you want it to be more flexible than just accepting a Collection<Thing>.
Case 1: You want to go through the collection and do things with each item.
Then the list is a producer, so you should use a Collection<? extends Thing>.
The reasoning is that a Collection<? extends T...
What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
...
public static bool In<T>(this T source, params T[] list)
{
if(null==source) throw new ArgumentNullException("source");
return list.Contains(source);
}
Allows me to replace:
if(reallyLongIntegerVariableName == 1 ||
reallyLongInteg...
Using comma as list separator with AngularJS
...
You could do it this way:
<b ng-repeat="email in friend.email">{{email}}{{$last ? '' : ', '}}</b>
..But I like Philipp's answer :-)
share
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...
How can I respond to the width of an auto-sized DOM element in React?
...t'
import Measure from 'react-measure'
const MeasuredComp = () => (
<Measure bounds>
{({ measureRef, contentRect: { bounds: { width }} }) => (
<div ref={measureRef}>My width is {width}</div>
)}
</Measure>
)
To communicate size changes between compon...
How does `is_base_of` work?
...'s a user defined conversion sequence as described by 13.3.3.1.2 from Host<B, D> to D* and B* respectively. For finding conversion functions that can convert the class, the following candidate functions are synthesized for the first check function according to 13.3.1.5/1
D* (Host<B, D>&...
How to determine the first and last iteration in a foreach loop?
...d, feel free to move the reset() call before the foreach and cache the result in $first.
– Rok Kralj
Jan 17 '13 at 8:35
...
Action Image MVC3 Razor
...lHelper html, string action, object routeValues, string imagePath, string alt)
{
var url = new UrlHelper(html.ViewContext.RequestContext);
// build the <img> tag
var imgBuilder = new TagBuilder("img");
imgBuilder.MergeAttribute("src", url.Content(imagePath));
imgBuilder.Me...
How to change the value of attribute in appSettings section with Web.config transformation
...
You want something like:
<appSettings>
<add key="developmentModeUserId" xdt:Transform="Remove" xdt:Locator="Match(key)"/>
<add key="developmentMode" value="false" xdt:Transform="SetAttributes"
xdt:Locator="Match(key)"/>...
How to set environment variable or system property in spring tests?
...TestApplicationContextInitializer implements ApplicationContextInitializer<ConfigurableApplicationContext>
{
@Override
public void initialize(ConfigurableApplicationContext applicationContext)
{
System.setProperty("myproperty", "value");
}
}
and then configure it on t...