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Hidden Features of Xcode
...ode
This trick works in all Cocoa application on the Mac (TextEdit, Mail, etc.) and is possibly one of the most useful things to know.
Command ⌘ Left Arrow or Command ⌘ Right Arrow Takes you to the beginning and end of a line.
Control ^ a and Control ^ e Do the same thing
Control ^ n...
phpinfo() - is there an easy way for seeing it?
...eb server make sure you specify the ini file path, for example...
php -c /etc/php/apache2/php.ini -i
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PHP function overloading
...creates
The idea is you have different type of arguments, arrays, objects etc, then you detect what you were passed and go from there
function($arg1, $lastname) {
if(is_array($arg1)){
$lastname = $arg1['lastname'];
$firstname = $arg1['firstname'];
} else {
$firstnam...
NAnt or MSBuild, which one to choose and when?
...and-craft a NAnt script to do things like copying built files, cleaning up etc - and call MSBuild to do the actual "turn my C# source code into assemblies" part.
If you want an example of that, look at my Protocol Buffers build file. (I wouldn't claim it's a fabulous NAnt script, but it does the jo...
Unable to forward search Bash history similarly as with CTRL-r
...
You can also uncomment these 2 lines in /etc/inputrc (e.g. in Ubuntu).
– falconepl
Jun 28 '14 at 11:47
2
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...s possible; if a connection is not available (wrong hostname, network down etc), the script will attempt to create the database and will fail with possibly confusing error message
– Oliver
Jan 12 at 14:43
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How to print a date in a regular format?
... the month abbreviation
%y is the year last two digits
%Y is the all year
etc
Have a look at the official documentation, or McCutchen's quick reference you can't know them all.
Since PEP3101, every object can have its own format used automatically by the method format of any string. In the case of ...
How do I call Objective-C code from Swift?
...yntax (in the case of this example, and you can call Mixpanel SDK methods, etc.). You need to familiarize yourself with how Xcode translates Objective-C to Swift. Apple's guide is a quick read. Or see this answer for an incomplete summary.
Example for Mixpanel:
func application(application: UIApp...
Deprecated warning for Rails 4 has_many with order
...e passed before any other association options such as dependent: :destroy etc.
Give this a try:
has_many :contents, -> { order(:position) }
To specify order direction, i.e. either asc or desc as @joshua-coady and @wsprujit have suggested, use:
has_many :contents, -> { order 'position ...
Can I do a synchronous request with volley?
... a blocking Volley request
*
* @param method get/put/post etc
* @param url endpoint
* @param errorListener handles errors
* @return the input stream result or exception: NOTE returns null once the onErrorResponse listener has been called
*/
public I...