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Should I use 'has_key()' or 'in' on Python dicts?
...in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...ake sense.
C++11 draft N3337: §5.4:1
If during the evaluation of an expression, the result is not mathematically defined or not in the range of
representable values for its type, the behavior is undefined. [ Note: most existing implementations of C++
ignore integer overflows. Treatment ...
Get UIScrollView to scroll to the top
...self.scrollView setContentOffset:CGPointMake(self.scrollView.contentOffset.x, 0)
animated:YES];
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How do I make Git ignore file mode (chmod) changes?
...fileMode false
From git-config(1):
core.fileMode
Tells Git if the executable bit of files in the working tree
is to be honored.
Some filesystems lose the executable bit when a file that is
marked as executable is checked out, or checks out a
non-executable file with executab...
Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
...uld like to know if there are any applications like fiddler but for mac OS X, as I need to debug some requests from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well.
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
... a speed difference? , I decided to run a similar comparison in python. I expected that the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7.
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Find if variable is divisible by 2
...irst code I ever wrote was in JavaScript, and that was a "welcome" alert box popup. The year was 1997 and it was for my Geocities homepage. We definitely all start somewhere (some formal training helps, too, though).
– Mike Atlas
May 13 '10 at 16:23
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
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Gory details
A DLL uses the PE executable format, and it's not too tricky to read that information out of the file.
See this MSDN article on the PE File Format for an overview. You need to read the MS-DOS header, then read the IMAGE_NT_HEADERS structure. T...
How can I determine if a .NET assembly was built for x86 or x64?
...tem.Reflection.AssemblyName.GetAssemblyName(string assemblyFile)
You can examine assembly metadata from the returned AssemblyName instance:
Using PowerShell:
[36] C:\> [reflection.assemblyname]::GetAssemblyName("${pwd}\Microsoft.GLEE.dll") | fl
Name : Microsoft.GLEE
Version ...
Is there a 'foreach' function in Python 3?
...nd returns a list, while foreach() doesn't. The difference could be quite expensive if you're iterating over a long list of items. Agreed that for() does the trick.
– Canuck
Apr 8 '15 at 17:10
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