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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...
Changing the resolution of a VNC session in linux [closed]
I use VNC to connect to a Linux workstation at work. At work I have a 20" monitor that runs at 1600x1200, while at home I use my laptop with its resolution of 1440x900.
If I set the vncserver to run at 1440x900 I miss out on a lot of space on my monitor, whereas if I set it to run at 1600x1200 it d...
TSQL - Cast string to integer or return default value
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If you are on SQL Server 2012 (or newer):
Use the TRY_CONVERT function.
If you are on SQL Server 2005, 2008, or 2008 R2:
Create a user defined function. This will avoid the issues that Fedor Hajdu mentioned with regards to currency, fractional numbers...
How to randomly sort (scramble) an array in Ruby?
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answered Nov 29 '09 at 18:49
Ron GejmanRon Gejman
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List all svn:externals recursively?
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answered Mar 25 '09 at 16:04
Wim CoenenWim Coenen
63k1212 gold badges146146 silver badges232232 bronze badges
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How to calculate the number of days between two dates? [duplicate]
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const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
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How do I Sort a Multidimensional Array in PHP [duplicate]
...mething like this:
foreach ($mdarray as $key => $row) {
// replace 0 with the field's index/key
$dates[$key] = $row[0];
}
array_multisort($dates, SORT_DESC, $mdarray);
For PHP >= 5.5.0 just extract the column to sort by. No need for the loop:
array_multisort(array_column($mdarra...
Oracle Differences between NVL and Coalesce
...a part of ANSI-92 standard.
NVL is Oracle specific, it was introduced in 80's before there were any standards.
In case of two values, they are synonyms.
However, they are implemented differently.
NVL always evaluates both arguments, while COALESCE usually stops evaluation whenever it finds the f...
Counting occurrences in Vim without marking the buffer changed
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edited Mar 28 '14 at 22:20
Ben Klein
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answered S...
How can I use Bash syntax in Makefile targets?
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+500
From the GNU Make documentation,
5.3.1 Choosing the Shell
------------------------
The program used as the shell is taken from the ...