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How can I dynamically create derived classes from a base class
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How to change variables value while debugging with LLDB in Xcode?
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Overriding class constants vs properties
...always refers to the class it is being executed in. If you are using php5.3+ you might try static::TEST as static:: is inheritance-aware.
The difference is that static:: uses "late static binding". Find more information here:
http://php.net/manual/en/language.oop5.late-static-bindings.php
Here'...
What's the equivalent of use-commit-times for git?
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edited Jul 3 at 22:35
community wiki
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Disable Rails SQL logging in console
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321
To turn it off:
old_logger = ActiveRecord::Base.logger
ActiveRecord::Base.logger = nil
To t...
Calling a function of a module by using its name (a string)
...attr(foo, 'bar')
result = method_to_call()
You could shorten lines 2 and 3 to:
result = getattr(foo, 'bar')()
if that makes more sense for your use case.
You can use getattr in this fashion on class instance bound methods, module-level methods, class methods... the list goes on.
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How to do this using jQuery - document.getElementById(“selectlist”).value
...LOL.
– Jacob Relkin
Mar 10 '11 at 0:30
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Why are C# 3.0 object initializer constructor parentheses optional?
It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example:
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Simple explanation of MapReduce?
...hem back in the same kind of list.
suppose I have a list of numbers: [1,2,3] and I want to double every number, in this case, the function to "double every number" is function x = x * 2. And without mappings, I could write a simple loop, say
A = [1, 2, 3]
foreach (item in A) A[item] = A[item] * 2
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pass **kwargs argument to another function with **kwargs
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In the second example you provide 3 arguments: filename, mode and a dictionary (kwargs). But Pyt...