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How can I remove a button or make it invisible in Android?
How can I remove a button in Android, or make it invisible?
14 Answers
14
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How does BLAS get such extreme performance?
Out of curiosity I decided to benchmark my own matrix multiplication function versus the BLAS implementation... I was to say the least surprised at the result:
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
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That’s probably everyone’s first thought. But it’s a little bit more difficult. See Chris Shiflett’s article SERVER_NAME Versus HTTP_HOST.
It seems that there is no silver bullet. Only when you force Apache to use the canonical ...
How to pass arguments to a Button command in Tkinter?
Suppose I have the following Button made with Tkinter in Python:
18 Answers
18
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Javascript Array of Functions
That does not work as intended because each function in the array is executed when the array is created.
18 Answers
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Is there a way to pass optional parameters to a function?
... a function while calling it and in the function definition have some code based on "only if the optional parameter is passed"
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define() vs. const
...ther using the const keyword or using the define() function:
const FOO = 'BAR';
define('FOO', 'BAR');
The fundamental difference between those two ways is that const defines constants at compile time, whereas define defines them at run time. This causes most of const's disadvantages. Some disadva...
What is the second parameter of NSLocalizedString()?
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The comment string is ignored by the application. It is used for a translator's benefit, to add meaning to the contextual usage of the key where it is found in your application.
For example, the Hello_World_Key key may take different values...
Why is a 3-way merge advantageous over a 2-way merge?
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Say you and your friend both checked out a file, and made some changes to it. You removed a line at the beginning, and your friend added a line at the end. Then he committed his file, and you need to merge his changes into your copy.
If you were do...
Reimport a module in python while interactive
...ule)
From the Python docs
Reload a previously imported module. The argument must be a module object, so it must have been successfully imported before. This is useful if you have edited the module source file using an external editor and want to try out the new version without leaving the Pyth...