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Postgis installation: type “geometry” does not exist
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LIFE SAVER! I thought I'd already set this up so I kept thinking it was something else...
– James111
Jun 23 '16 at 1:40
2
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How to locate the git config file in Mac [duplicate]
As title reads, how to locate the git config file in Mac? Not sure how to find it. Need to set
4 Answers
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Why does (0 < 5 < 3) return true?
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It's a good idea to make life easy for yourself and the next guy who will read your code. Clearly write out what you actually want to have happen rather then relying on side effects like the implicit conversion of booleans.
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The tilde operator in C
... Wait, aren't you supposed to AND the bitmask? that's how my bit reader is doing it, but it's touchy. I read that if you have X and NOT it, then subtract one you'll get the unsigned version of a signed number, is that not correct?
– MarcusJ
Oct 21 '1...
std::wstring VS std::string
... tied to unicode.
On Linux?
Let's take a Linux OS: My Ubuntu system is already unicode aware. When I work with a char string, it is natively encoded in UTF-8 (i.e. Unicode string of chars). The following code:
#include <cstring>
#include <iostream>
int main(int argc, char* argv[])
{
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Get second child using jQuery
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Here's a solution that maybe is clearer to read in code:
To get the 2nd child of an unordered list:
$('ul:first-child').next()
And a more elaborated example:
This code gets the text of the 'title' attribute of the 2nd child element of the UL identified as 'my_l...
Create a string with n characters
...t over and over again during the course of your programming career.
People reading your code - that includes you - always have to invest time, even if it are just some seconds, to digest the meaning of the loop.
Instead reuse one of the available libraries providing code that does just that like St...
Finding differences between elements of a list
...Note that:
zip(L[1:], L) is equivalent to zip(L[1:], L[:-1]) since zip already terminates on the shortest input, however it avoids a whole copy of L.
Accessing the single elements by index is very slow because every index access is a method call in python
numpy.diff is slow because it has to first...
Determining Referer in PHP
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We have only single option left after reading all the fake referrer problems:
i.e.
The page we desire to track as referrer should be kept in session, and as ajax called then checking in session if it has referrer page value and doing the action other wise no acti...
How to quietly remove a directory with content in PowerShell
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Ok, but I just read that the problem is still here on the windows 10 extended Get-Help Remove-Item documentation obtained after Update-Help is run...
– beppe9000
Apr 4 '16 at 17:55
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