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How can I check if a var is a string in JavaScript?
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@alex I am now too :o (10 more minutes!)
– David Tang
Jun 8 '11 at 23:49
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File Explorer in Android Studio
... Good one and up to date. Should probably be marked as the correct one now.
– CarlosGoncalves
Oct 24 '17 at 23:45
1
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The import org.junit cannot be resolved
... I added JUnit 4 via Properties -> Java Build Path, but every now and then Eclipse still shows me this error, though running the tests is possible without problems. Restarting Eclipse resolves the problem - for a while. Any explanation for this?
– Thomas W
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...s not an object, and there's no underlying virtual machine which needs to know about a Person class. There's no boxing or unboxing, and functions don't have to belong to classes, or indeed anything.
Because of this, the C++ compiler places no restrictions on what you can do with templates - basicall...
How to get the number of days of difference between two dates on mysql?
...-14 11:00:00');
returns 1
select timestampdiff(DAY, '2016-04-13 11:00:00', now()); returns how many full 24h days has passed since 2016-04-13 11:00:00 until now.
Hope it will help someone, because at first it isn't much obvious why datediff returns values which seems to be unexpected or wrong.
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Detecting WPF Validation Errors
...The posted code did not work for me when using a ListBox. I rewrote it and now it works:
public static bool IsValid(DependencyObject parent)
{
if (Validation.GetHasError(parent))
return false;
// Validate all the bindings on the children
for (int i = 0; i != VisualTreeHelper.Ge...
Any way to clear python's IDLE window?
I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
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Should Github be used as a CDN for javascript libraries? [closed]
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I hope you know CachedCommons.com is just serving from github.com
– ocodo
Dec 27 '12 at 6:00
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git diff file against its last change
...possible to get git to produce a diff between a specific file as it exists now, and as it existed before the last commit that changed it?
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Android splash screen image sizes to fit all devices
...answer is from 2013 and is seriously outdated. As of Android 3.2 there are now 6 groups of screen density. This answer will be updated as soon as I am able, but with no ETA. Refer to the official documentation for all the densities at the moment (although information on specific pixel sizes is as al...