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What does iterator->second mean?
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250
I'm sure you know that a std::vector<X> stores a whole bunch of X objects, right? But if y...
How to make Regular expression into non-greedy?
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500
The non-greedy regex modifiers are like their greedy counter-parts but with a ? immediately fol...
C++ Double Address Operator? (&&)
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answered Dec 28 '10 at 20:16
aschepleraschepler
63.3k88 gold badges9191 silver badges140140 bronze badges
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check if directory exists and delete in one command unix
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answered Jun 20 '16 at 13:32
Nick GrealyNick Grealy
16.7k99 gold badges7777 silver badges9595 bronze badges
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How can I make setInterval also work when a tab is inactive in Chrome?
I have a setInterval running a piece of code 30 times a second. This works great, however when I select another tab (so that the tab with my code becomes inactive), the setInterval is set to an idle state for some reason.
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How to prevent http file caching in Apache httpd (MAMP)
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+50
Tried this? Should work in both .htaccess, httpd.conf and in a VirtualHost (usually placed in httpd-vhosts.conf if you have included i...
Read data from SqlDataReader
I have a SQL Server 2008 database and I am working on it in the backend. I am working on asp.net/C#
13 Answers
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How to generate gcc debug symbol outside the build target?
... information.
This is the bash script:
#!/bin/bash
scriptdir=`dirname ${0}`
scriptdir=`(cd ${scriptdir}; pwd)`
scriptname=`basename ${0}`
set -e
function errorexit()
{
errorcode=${1}
shift
echo $@
exit ${errorcode}
}
function usage()
{
echo "USAGE ${scriptname} <tostrip>"
}
to...
Reference: Comparing PHP's print and echo
...e should one wish to use print in a conditional expression. Why 1 and not 100? Well in PHP the truthiness of 1 or 100 is the same, i.e. true, whereas 0 in a boolean context equates as a false value. In PHP all non-zero values (positive and negative) are truthy values and this derives from PHP's Per...
Random Gaussian Variables
...rand = new Random(); //reuse this if you are generating many
double u1 = 1.0-rand.NextDouble(); //uniform(0,1] random doubles
double u2 = 1.0-rand.NextDouble();
double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
Math.Sin(2.0 * Math.PI * u2); //random normal(0,1)
double randNormal =...