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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...
Regular expression to return text between parenthesis
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answered Feb 4 '11 at 3:03
tkerwintkerwin
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...
What do you call the -> operator in Ruby?
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240
In Ruby Programming Language ("Methods, Procs, Lambdas, and Closures"), a lambda defined using -...
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...
Objective-C Runtime: best way to check if class conforms to protocol?
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309
According to the docs,
[MyClass conformsToProtocol:@protocol(MyProtocol)];
should work.
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brew install gcc too time consuming
...SmithTim Smith
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3
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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...
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
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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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