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Swift - How to convert String to Double
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In Swift 2.0 there is Double.init?(_ text: String) failable initializer now available.
– mixel
Sep 29 '15 at 13:13
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How to change the playing speed of videos in HTML5?
...deo twice as fast */
document.querySelector('video').defaultPlaybackRate = 2.0;
document.querySelector('video').play();
/* now play three times as fast just for the heck of it */
document.querySelector('video').playbackRate = 3.0;
The above works on Chrome 43+, Firefox 20+, IE 9+, Edge 12+.
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How do I show multiple recaptchas on a single page?
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With the current version of Recaptcha (reCAPTCHA API version 2.0), you can have multiple recaptchas on one page.
There is no need to clone the recaptcha nor try to workaround the problem. You just have to put multiple div elements for the recaptchas and render the recaptchas inside th...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...float) (proposedContentOffset.X + (this.CollectionView.Bounds.Size.Width / 2.0));
RectangleF targetRect = new RectangleF (proposedContentOffset.X, 0.0f, this.CollectionView.Bounds.Size.Width, this.CollectionView.Bounds.Size.Height);
var array = base.LayoutAttributesForElementsInRect (target...
What Are Some Good .NET Profilers?
... beats ANTS in usability.
The free Microsoft CLR Profiler (.Net framework 2.0 / .Net Framework 4.0) is all you need for .NET memory profiling.
2011 Update:
The Scitech memory profiler has quite a basic UI but lots of useful information, including some information on unmanaged memory which dotTrac...
How can I access Google Sheet spreadsheets only with Javascript?
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new version API 3.0 and Oauth 2.0
– PreguntonCojoneroCabrón
Jul 15 '15 at 20:44
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Tree data structure in C#
... isn't one provided. An Extensive Examination of Data Structures Using C# 2.0 explains a bit about why. Is there a convenient library which is commonly used to provide this functionality? Perhaps through a strategy pattern to solve the issues presented in the article.
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How can I dynamically create a selector at runtime with Objective-C?
...inks flying around in my bookmarks since I've read through the Objective-C 2.0 docs a couple of days ago.
– Torsten Marek
Sep 22 '08 at 1:42
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How to handle command-line arguments in PowerShell
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@naivists, from PowerShell 2.0 instead of [string]$username = $(throw "-username is required.") there is syntax for mandatory parameters: [Parameter(Mandatory=$true)][string]$username. Here is more info about difference between these techniques: blogs....
Why JSF calls getters multiple times
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With JSF 2.0 you can attach a listener to a system event
<h:outputText value="#{ManagedBean.someProperty}">
<f:event type="preRenderView" listener="#{ManagedBean.loadSomeProperty}" />
</h:outputText>
Alternativ...