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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...ll be faster.
ContainsKey uses the same check as TryGetValue, which internally refers to the actual entry location. The Item property actually has nearly identical code functionality as TryGetValue, except that it will throw an exception instead of returning false.
Using ContainsKey followed by t...
What are best practices for validating email addresses on iOS 2.0
... ; "]", or "\"
Yes, that means +, ', etc are all legit.
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Generate a random point within a circle (uniformly)
...triangle ABC, where |AB|=|BC|? Let's make this easier by extending to a parallelogram ABCD. It's easy to generate points uniformly in ABCD. We uniformly pick a random point X on AB and Y on BC and choose Z such that XBYZ is a parallelogram. To get a uniformly chosen point in the original triangle we...
Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
...stage
if(InvokeRequired)
{
// after we've done all the processing,
this.Invoke(new MethodInvoker(delegate {
// load the control with the appropriate data
}));
return;
}
}
}
...
How to permanently remove few commits from remote branch
...ushing it)
This SO answer illustrates the danger of such a command, especially if people depends on the remote history for their own local repos.
You need to be prepared to point out people to the RECOVERING FROM UPSTREAM REBASE section of the git rebase man page
With Git 2.23 (August 2019, nine...
Programmatically set the initial view controller using Storyboards
How do I programmatically set the InitialViewController for a Storyboard? I want to open my storyboard to a different view depending on some condition which may vary from launch to launch.
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How to set tbody height with overflow scroll
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Finally! I'm now able to have a fixed height, scrolling table body, fixed headers, adjustable column widths .... all without javascript! Thank you!!
– Matt Hancock
Dec 6 '15 at 23:13
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How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
... @Capsule - excellent question. From the docs it looks like you can use callback: function (url, result, key) {...} which fires on load or timeout. The default timeout can be overridden. I can't say I've tried it but looks like it might be worth the awkwardness ;)
– johnhunte...
How do I install a NuGet package into the second project in a solution?
I'm currently working on a solution that initially contained one project ( My.First.Project.Name ). I've installed Castle Windsor by executing:
...
Visual Studio 2013 hangs when opening a solution
I installed VS2013 (v12.0.21005.1) and added ReSharper 8 (v8.0.2000.2660) a day or two ago. That day it was fine. Now I'm lucky if I can get it to open one solution in a whole day. It opens OK by itself, but when I try and open a solution from within - via the menu - it hangs, badly. If I right-clic...