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What's the fastest way to loop through an array in JavaScript?
...swered Aug 31 '11 at 3:00
jondavidjohnjondavidjohn
57.9k2121 gold badges108108 silver badges150150 bronze badges
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Can a Windows batch file determine its own file name?
...ive
p -- path
n -- file name
x -- extension
f -- full path
E.g., from inside c:\tmp\foo.bat, %~nx0 gives you "foo.bat", whilst %~dpnx0 gives "c:\tmp\foo.bat". Note the pieces are always assembled in canonical order, so if you get cute and try %~xnpd0, you still get "c:\tmp\foo.bat"
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Why is arr = [] faster than arr = new Array?
...ed:
[]: ARRAY_INIT
[1]: ARRAY_INIT (NUMBER)
[1, foo]: ARRAY_INIT (NUMBER, IDENTIFIER)
new Array: NEW, IDENTIFIER
new Array(): NEW, IDENTIFIER, CALL
new Array(5): NEW, IDENTIFIER, CALL (NUMBER)
new Array(5,4): NEW, IDENTIFIER, CALL (NUMBER, NUMBER)
new Array(5, foo): NEW, IDENTIFIER, CALL (NUMBER, I...
Convert blob URL to normal URL
... If blob urls don't point to server data, then how come Youtube videos' src url look like: src="blob:https%3A//www.youtube.com/44f26667-03f1-4978-9eed-af0cbf11dd67" (in Chrome)
– bhh1988
Sep 3 '14 at 15:53
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What is the AppDelegate for and how do I know when to use it?
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I normally avoid the design approach implied by Andrew's use of the term "heart of your application". What I mean by this is that I think you should avoid lumping too many things in a central location -- good program design normally involv...
Default value of function parameter
...ied.
For example, you can declare a function with no default arguments
void foo(int a, int b);
In order to call that function after such declaration you'll have to specify both arguments explicitly.
Later (further down) in the same translation unit, you can re-declare it again, but this time w...
Android: upgrading DB version and adding new table
...wered Nov 15 '11 at 8:51
jkschneiderjkschneider
22.9k1111 gold badges6767 silver badges9898 bronze badges
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How do I add a tool tip to a span element?
...used tipsy.js and it looks better that what I wanted. :D And this article aided in my confusion : htmlgoodies.com/tutorials/html_401/article.php/3479661/… where it says that the tooltip works for the "text"
– Augiwan
Jan 23 '13 at 13:50
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What is the default location for MSBuild logs?
... Which is all well and good until you're using diagnostic output and VS decides to throw an 'out of memory' exception when you try to copy to the clipboard. Really is a fundamentally stupid decision not to support sending the build log to a file in the IDE. But hey ho, such is life.
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What is Android keystore file, and what is it used for?
... a general question, but particularly I am interested in it's use for Android. What is a keystore file, and what is it used for?
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