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How to assign a Git SHA1's to a file without Git?
...t from a byte string in the first place (the utf-8 encoding works because none of the unicode characters are non-ASCII).
– torek
Apr 15 '16 at 22:05
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How to split a string literal across multiple lines in C / Objective-C?
...same as in and C and C++. The latter solution is preferred because former one embeds a lot of useless white space into the program which will also be transmitted to the DB server.
– Alnitak
Apr 28 '09 at 11:34
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How to change size of split screen emacs windows?
....
C-x { (shrink-window-horizontally) is also bound by default.
Following one of these commands with repeat (C-x z to initiate, and just z for continued repetition) makes it pretty easy to get to the exact size you want.
If you regularly want to do this with a specific value, you could record a k...
Authentication versus Authorization
...nt, but both are central to security design, and the failure to get either one correct opens up the avenue to compromise.
In terms of web apps, very crudely speaking, authentication is when you check login credentials to see if you recognize a user as logged in, and authorization is when you look u...
How can I solve a connection pool problem between ASP.NET and SQL Server?
... being closed. Instead of closing your connection, this line creates a new one and tries to close it.
If you use SqlDataReader or a OleDbDataReader, close them. Even though closing the connection itself seems to do the trick, put in the extra effort to close your data reader objects explicitly when ...
How do I check if a variable exists?
... has some value before use:
try:
myVar
except NameError:
myVar = None
# Now you're free to use myVar without Python complaining.
However, I'm still not convinced that's a good idea - in my opinion, you should try to refactor your code so that this situation does not occur.
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Why is “import *” bad?
...
Yeah, I really hate at my job when someone uses * import, because then I can't just run pyflakes and be happy, but have to repair those imports. It's nice though, that with that pyflakes helps me to :-)
– gruszczy
Mar 5 '10 a...
App restarts rather than resumes
Hopefully someone can help me figure out, if not a solution, at least an explanation for a behaviour.
9 Answers
...
C++ equivalent of StringBuffer/StringBuilder?
...h.resize(0);
}
return main;
}
};
It uses two strings one for the majority of the string and the other as a scratch area for concatenating short strings. It optimise's appends by batching the short append operations in one small string then appending this to the main string, th...
How to print time in format: 2009‐08‐10 18:17:54.811
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The answer is definitely wrong in at least one case (Linux) as "struct tm" used by localtime() doesn't hold any time information below the seconds. Instead "struct timeval" used by gettimeofday() has microseconds which, divided by 1000 will yield the milliseconds. All...
