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Specify JDK for Maven to use
...ings.xml but I don't have a settings.xml . Plus, I don't want to use 1.6 for all maven builds.
14 Answers
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How to make inline functions in C#
...nt x) { Console.WriteLine(x); }
There are basically two different types for these: Func and Action. Funcs return values but Actions don't. The last type parameter of a Func is the return type; all the others are the parameter types.
There are similar types with different names, but the syntax fo...
Get original URL referer with PHP?
...
Store it either in a cookie (if it's acceptable for your situation), or in a session variable.
session_start();
if ( !isset( $_SESSION["origURL"] ) )
$_SESSION["origURL"] = $_SERVER["HTTP_REFERER"];
...
How to use the TextWatcher class in Android?
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For use of the TextWatcher...
et1.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// TODO Auto-generated method stub
}
...
Is there a benefit to defining a class inside another class in Python?
...e-off, which will never be used outside the definition of the outer class. For example to use a metaclass, it's sometimes handy to do
class Foo(object):
class __metaclass__(type):
....
instead of defining a metaclass separately, if you're only using it once.
The only other time I've...
What is the function __construct used for?
...to define your, well, constructors (in PHP4 you used the name of the class for a constructor).
You are not required to define a constructor in your class, but if you wish to pass any parameters on object construction then you need one.
An example could go like this:
class Database {
protected $u...
Redirect stdout to a file in Python?
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If you're on Windows watch out for Windows bug - Cannot redirect output when I run Python script on Windows using just script's name
– Piotr Dobrogost
Oct 4 '12 at 11:00
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How to detect if a script is being sourced
... of the script or on the line after the shebang (which, if used, should be for ksh in order for it to work under the most circumstances).
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rails i18n - translating text with links inside
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In Rails 3 the syntax for this has changed to %{href} in the YAML translation string. Also, because output is automatically escaped, you need to either specify raw or .html_safe explicitly, or suffix your translation key with _html, as in login_me...
When should iteritems() be used instead of items()?
...to be iterated over, or materialised... So, list(dict.items()) is required for what was dict.items() in Python 2.x.
Python 2.7 also has a bit of a back-port for key handling, in that you have viewkeys, viewitems and viewvalues methods, the most useful being viewkeys which behaves more like a set (w...