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Is it possible to print a variable's type in standard C++?
..., "abc");
decltype(testVar)::foo= 1;
Returns:
Compilation finished with errors:
source.cpp: In function 'int main()':
source.cpp:5:19: error: 'foo' is not a member of 'std::tuple<int, double, const char*>'
share
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Get full path without filename from path that includes filename
...er using System.IO; to utilise path methods
– Syntax Error
Dec 22 '17 at 10:41
Note that this doesn't include a traili...
How do I close a connection early?
...th();
header("Content-Length: $size");
ob_end_flush();
flush();
sleep(13);
error_log("do something in the background");
?>
Which works fine until you substitute phpinfo() for echo('text I want user to see'); in which case the headers are never sent!
The solution is to explicitly turn o...
How to apply CSS to iframe?
...this solution work with google docs. Its throwing all sorts of javascript errors. "Uncaught TypeError: Cannot read property 'a' of undefined "
– deweydb
Aug 19 '14 at 23:52
1
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Disable browser's back button
... browser, but you can make it so that your application breaks (displays an error message, requiring the user to start over) if the user goes back.
One approach I have seen for doing this is to pass a token on every URL within the application, and within every form. The token is regenerated on ever...
Checkout subdirectories in Git?
Is it possible to check out subdirectories of a repository in Git?
9 Answers
9
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Rails migration: t.references with alternative name?
...fy a foreign_key option in the table creation like this ways, it raises an error saying the very table I'm creating doesn't exist... So I suspect it's not really supported by the official API.
– Quv
Nov 7 '17 at 3:53
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Interfaces with static fields in java for sharing 'constants'
...tatic import, we should use classes instead of intefaces to re-do the same error as before?! That's silly!
– gizmo
Nov 26 '08 at 13:06
11
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How to avoid reinstalling packages when building Docker image for Python projects?
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I am getting this Error :- failed to solve with frontend dockerfile.v0: failed to create LLB definition: Dockerfile parse error line 10: Unknown flag: mount
– Mayur Dangar
Jun 18 at 17:10
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Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
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