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Create RegExps on the fly using string variables
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215
There's new RegExp(string, flags) where flags are g or i. So
'GODzilla'.replace( new RegExp('g...
Naming convention for utility classes in Java
... a slide showing an outline of his speech with three main points, labeled "1", "2nd", and "C".)
Never ever ever make two names that differ only in some subtlety of spelling, like having a CustomerUtil and a CustomerUtility. If there was a good reason to make two classes, then there must be somethin...
Where is the documentation for the values() method of Enum?
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180
You can't see this method in javadoc because it's added by the compiler.
Documented in three ...
Regex lookahead for 'not followed by' in grep
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151
Negative lookahead, which is what you're after, requires a more powerful tool than the standar...
Finding the PHP File (at run time) where a Class was Defined
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edited Mar 26 '19 at 19:47
fdehanne
1,72911 gold badge1515 silver badges2626 bronze badges
an...
Creating PHP class instance with a string
...ther cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$obj...
Delete a closed pull request from GitHub
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edited May 27 at 16:07
Community♦
111 silver badge
answered Aug 19 '13 at 16:16
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What is the right way to override a setter method in Ruby on Rails?
...=============================================================
Update: July 19, 2017
Now the Rails documentation is also suggesting to use super like this:
class Model < ActiveRecord::Base
def attribute_name=(value)
# custom actions
###
super(value)
end
end
==================...
Can I install the “app store” in an IOS simulator?
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121
This is NOT possible
The Simulator does not run ARM code, ONLY x86 code. Unless you have the ...
Why does Internet Explorer not send HTTP post body on Ajax call after failure?
...is disabled on the server, this issue goes away. In other words, your HTTP 1.1 server will respond to every Ajax request with a Connection: Close line in the response. This keeps IE happy but causes every Ajax request to open a new connection. This can have a significant performance impact, especial...