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C++ unordered_map using a custom class type as the key
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510
To be able to use std::unordered_map (or one of the other unordered associative containers) wit...
How to find the last day of the month from date?
...ays in the month of a given date (see the docs for date):
$a_date = "2009-11-23";
echo date("Y-m-t", strtotime($a_date));
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How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
I know this will give me the day of the month as a number ( 11 , 21 , 23 ):
19 Answers
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Insert text with single quotes in PostgreSQL
...$
Which can be nested any number of levels:
$token2$Inner string: $token1$escape ' with ''$token1$ is nested$token2$
Pay attention if the $ character should have special meaning in your client software. You may have to escape it in addition. This is not the case with standard PostgreSQL clients...
Optimizing away a “while(1);” in C++0x
...as necessary to allow?
Yes, Hans Boehm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essenti...
Why is Visual Studio 2013 very slow?
I'm running Visual Studio 2013 Pro (RTM version) on my formatted PC (Windows 8.1 fresh install).
31 Answers
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MySQL Fire Trigger for both Insert and Update
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128
You have to create two triggers, but you can move the common code into a procedure and have th...
How can I find out a file's MIME type (Content-Type)?
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edited Mar 1 '16 at 12:39
jozxyqk
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How to read a single character from the user?
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195
Here's a link to a site that says how you can read a single character in Windows, Linux and OS...
MySQL: selecting rows where a column is null
... NULL is always false).
See Rule 3 https://en.wikipedia.org/wiki/Codd%27s_12_rules
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