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How do I find out which DOM element has the focus?
...ript, which element currently has focus. I've been looking through the DOM and haven't found what I need, yet. Is there a way to do this, and how?
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Convert char to int in C#
...har object that represents
a number to a numeric value type. Use
Parse and TryParse to convert a
character in a string into a Char
object. Use ToString to convert a Char
object to a String object.
http://msdn.microsoft.com/en-us/library/system.char.aspx
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How do I declare an array of weak references in Swift?
...gt;.weakObjects()
NSHashTable Class Reference
Available in OS X v10.5 and later.
Available in iOS 6.0 and later.
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How would you implement an LRU cache in Java?
...ructures would you use? I've already implemented one using LinkedHashMap and Collections#synchronizedMap , but I'm curious if any of the new concurrent collections would be better candidates.
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how to return index of a sorted list? [duplicate]
I need to sort a list and then return a list with the index of the sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
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Git Checkout warning: unable to unlink files, permission denied
... usually see that kind of error when there is a process not releasing the handle of those files.
Make sure nothing is running, and then try your checkout again.
Note: it can also be related with the way Git has been installed (on Windows, UAC can generate problem if msysgit is installed in C:\Prog...
Set selected option of select box
... edited May 16 '15 at 1:56
andrewtweber
19.4k1919 gold badges7575 silver badges103103 bronze badges
answered Jan 13 '11 at 12:48
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Configuring diff tool with .gitconfig
...ld, xxdiff, emerge, vimdiff, gvimdiff, ecmerge, diffuse, opendiff, p4merge and araxis), and also allows you to specify your own. To use one of the pre-configured difftools (for example, "vimdiff"), you add the following lines to your ~/.gitconfig:
[diff]
tool = vimdiff
Now, you will be able t...
How to count duplicate value in an array in javascript
...eturns the value of counts[x] if it is set, otherwise 0. Then just add one and set it again in the object and the count is done.
– Constantinius
Feb 7 '17 at 11:52
1
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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
... that I derived from http://www.teehanlax.com/blog/?p=447
http://www.chrisandtennille.com/pictures/backbutton.psd
I then just created a custom UIView that I use in the customView property of the toolbar item.
Works well for me.
Edit: As pointed out by PrairieHippo, maralbjo found that using th...