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Why does i = i + i give me 0?
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230 + 230 = -231
-231 + -231 = 0
...in int arithmetic, since it's essentially arithmetic mod 2^32.
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Attempt to set a non-property-list object as an NSUserDefaults
...ray to any method that expects an NSArray. Keep in mind that the array actually stored in NSUserDefaults will be immutable when you read it back.
– rmaddy
Nov 1 '13 at 4:42
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How to select first parent DIV using jQuery?
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parents("div") is traversing and returns all the parent div's you should use .eq(0) after it to make sure it returns just the one you want
– meo
Aug 17 '11 at 7:44
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How can I make a Python script standalone executable to run without ANY dependency?
...'m building a Python application and don't want to force my clients to install Python and modules.
19 Answers
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How do I assign an alias to a function name in C++?
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Note: there is no way to make an alias to overloaded function such that all its overloaded versions work, so you should always specify which exact function overload you want.
With C++14 you can go even further with constexpr template variables. That allows you to alias templated functions:
templ...
Eclipse secure storage
...ure it is a good workaround (but less secure) to prevent that silly prompt all the time.
– рüффп
Feb 20 '12 at 9:24
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How to normalize a path in PowerShell?
...WINDOWS\system32\fred\frog\..\frag
With an absolute base, it is safe to call the .NET API GetFullPath:
[System.IO.Path]::GetFullPath((Join-Path (Join-Path (pwd) fred\frog) '..\frag'))
Which gives you the fully qualified path and with the .. removed:
C:\WINDOWS\system32\fred\frag
It's not com...
JavaScript for…in vs for
...sOwnProperty(member)" which checks if a member returned by iterator is actually member of the object. See: javascript.crockford.com/code.html
– Damir Zekić
Oct 29 '08 at 23:09
57
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How to benchmark efficiency of PHP script
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If you actually want to benchmark real world code, use tools like Xdebug and XHProf.
Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read t...
JavaScript implementation of Gzip [closed]
I'm writing a Web application that needs to store JSON data in a small, fixed-size server-side cache via AJAX (think: Opensocial quotas ). I do not have control over the server.
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