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Best practices for Storyboard login screen, handling clearing of data upon logout

...orking fine, but I've got a few issues. I need to know the BEST way to set all this up. 14 Answers ...
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What's the difference between libev and libevent?

... each of these, by not using global variables but using a loop context for all functions, by using small watchers for each event type (an I/O watcher uses 56 bytes on x86_64 compared to 136 for libevent), allowing extra event types such as timers based on wallclock vs. monotonic time, inter-thread i...
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Convert char to int in C and C++

... Well, in ASCII code, the numbers (digits) start from 48. All you need to do is: int x = (int)character - 48; Or, since the character '0' has the ASCII code of 48, you can just write: int x = character - '0'; // The (int) cast is not necessary. ...
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How to present popover properly in iOS 8

... you talk to the view controller inside of it to set the content size, by calling the property preferredContentSize share | improve this answer | follow | ...
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]

... dose of respect for that community.) What I found was that this didn't really help much. The reason for that is that AWK/grep/sed don't work against COM, WMI, ADSI, the Registry, the certificate store, etc., etc. In other words, UNIX is an entire ecosystem self-tuned around text files. As such, t...
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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?

... as a backup, in case you mess up your filter-branch. Believe me, it's a really good idea. Once you've inspected the results, and you're very confident that you have what you want, you can remove the backed up ref: git update-ref -d refs/original/refs/heads/master or if you did this to many refs...
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Peak detection in a 2D array

...ood = generate_binary_structure(2,2) #apply the local maximum filter; all pixel of maximal value #in their neighborhood are set to 1 local_max = maximum_filter(image, footprint=neighborhood)==image #local_max is a mask that contains the peaks we are #looking for, but also the ...
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How do I read an attribute on a class at runtime?

...d be further generalized by extending MemberInfo, a base class of Type and all - or at least most - of a Type's members. Doing so would open this up to allow reading attributes from Properties, Fields, and even Events. – M.Babcock Aug 12 '14 at 1:54 ...
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Why does PHP 5.2+ disallow abstract static class methods?

...2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: 8 Answers ...
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Find what filetype is loaded in vim

...p;filetype ==# 'cpp' setlocal noexpandtab endif & syntax works for all options: https://vi.stackexchange.com/questions/2569/how-do-i-check-the-value-of-a-vim-option-in-vimscript share | impr...