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Are Exceptions in C++ really slow
I was watching Systematic Error Handling in C++—Andrei Alexandrescu he claims that Exceptions in C++ are very very slow.
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How to avoid “Permission denied” when using pip with virtualenv
...l run into any more issues with this solution, or will this chown fix most errors?
– ntk4
Jun 22 '17 at 6:37
3
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Server polling with AngularJS
...er alternative would be to handle not just the success event, but also the error event. This way you can try the request again if it fails. You might even do it at a different interval...
– Peanut
Oct 16 '14 at 14:41
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How do I show a console output/window in a forms application?
...r, EventArgs e)
{
AllocConsole();
}
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool AllocConsole();
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undefined reference to `WinMain@16'
... x.cpp user32.lib /link /subsystem:windows
x.cpp
LIBCMT.lib(wincrt0.obj) : error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartu
p
x.exe : fatal error LNK1120: 1 unresolved externals
C:\test> _
Technically this is because Microsoft’s linker is non-sta...
Difference between single and double square brackets in Bash
... && b = b ]]: true, logical and
[ a = a && b = b ]: syntax error, && parsed as an AND command separator cmd1 && cmd2
[ a = a -a b = b ]: equivalent, but deprecated by POSIX³
[ a = a ] && [ b = b ]: POSIX and reliable equivalent
(
[[ (a = a || a = b) &...
Using python's eval() vs. ast.literal_eval()?
...aded operators) will fail. Eg. ast.literal_eval("1 & 1") will throw an error but eval("1 & 1") will not.
– Daniel van Flymen
May 22 '17 at 0:34
1
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Why does “pip install” inside Python raise a SyntaxError?
...age. I try to run pip install from the Python shell, but I get a SyntaxError . Why do I get this error? How do I use pip to install the package?
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Does “git fetch --tags” include “git fetch”?
...mano -- gitster -- in commit cc77b99, 22 May 2015)
pull: remove --tags error in no merge candidates case
Since 441ed41 ("git pull --tags": error out with a better message.,
2007-12-28, Git 1.5.4+), git pull --tags would print a different error message if
git-fetch did not return any mer...
/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
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This lame error has been tormenting CENTOS/Ubuntu/Linux users for a while now. And why exactly the developers of these OSs did not bother with a fix or an update?? Thanks for the fix btw :)!
– roosevelt
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