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Return a `struct` from a function in C
...tructures to functions as well - a structure is exactly the same as any built-in type for purposes of parameter passing, return values, and assignment.
Here's a simple demonstration program that does all three - passes a structure as a parameter, returns a structure from a function, and uses struct...
Convert number to month name in PHP
...haracter is the numeric representation of a month, with leading zeroes.
Alternative solution:
If you're using an older PHP version and can't upgrade at the moment, you could this solution.
The second parameter of date() function accepts a timestamp, and you could use mktime() to create one, like ...
How to configure postgresql for the first time?
...satisfying to me. Here's what worked for postgresql-9.1 on Xubuntu 12.04.1 LTS.
Connect to the default database with user postgres:
sudo -u postgres psql template1
Set the password for user postgres, then exit psql (Ctrl-D):
ALTER USER postgres with encrypted password 'xxxxxxx';
Edit the...
Using git to get just the latest revision
...
example: git clone --depth=1 <remote_repo_url>
– iDev247
Jan 15 '13 at 23:01
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Is it possible to use the instanceof operator in a switch statement?
...und with a try catch block and the Exception would be treated as the "default" or "else" option of the switch
– tetri
Feb 5 '15 at 10:31
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Curly braces in string in PHP
...ws the {. Use
{\$ to get a literal {$. Some examples to make it clear:
<?php
// Show all errors
error_reporting(E_ALL);
$great = 'fantastic';
// Won't work, outputs: This is { fantastic}
echo "This is { $great}";
// Works, outputs: This is fantastic
echo "This is {$great}";
echo "This is ${...
Cocoa Touch: How To Change UIView's Border Color And Thickness?
...
You need to use view's layer to set border property. e.g:
#import <QuartzCore/QuartzCore.h>
...
view.layer.borderColor = [UIColor redColor].CGColor;
view.layer.borderWidth = 3.0f;
You also need to link with QuartzCore.framework to access this functionality.
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List comprehension with if statement
...
list comprehension formula:
[<value_when_condition_true> if <condition> else <value_when_condition_false> for value in list_name]
thus you can do it like this:
[y for y in a if y not in b]
Only for demonstration purpose :
[y if ...
Regex: matching up to the first occurrence of a character
...-op if you run the regular expression only once. If you want to look for multiple matches within a single string, the first ^ would have to go.
– Dan Breslau
Jan 6 '10 at 13:48
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Using multiple delimiters in awk
... awk field separator can be a regular expression. You just need to use -F"<separator1>|<separator2>|...":
awk -F"/|=" -vOFS='\t' '{print $3, $5, $NF}' file
Returns:
tc0001 tomcat7.1 demo.example.com
tc0001 tomcat7.2 quest.example.com
tc0001 tomcat7.5 www.example.com
Here:
-...