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Is 'float a = 3.0;' a correct statement?
...terals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float foo(float x) { return x * 0.42; }
Here the compiler will emit a conversion (that you will pay at runtime) for each returned value. To avoid it you should declare:
float foo(float x) { return x * 0.42...
How do I ignore files in a directory in Git?
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This is actually a copy-paste from the git documentation
– mcont
Aug 17 '18 at 10:00
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
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Update for those using Python3:
You can simply use conda install mysqlclient to install the libraries required to use MySQLdb as it currently exists. The following SO question was a helpful clue: Python 3 ImportError: No module named 'ConfigParser' . Installing mysqlclient will install...
R: Comment out block of code [duplicate]
...region. Didn't know about C-x r, thanks!
– Sacha Epskamp
Feb 2 '12 at 8:11
22
CTRL+SHIFT+C toggle...
“Warning: iPhone apps should include an armv6 architecture” even with build config set
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If you uncheck "Build Active Architecture Only", then it will build all the valid architectures.
Update: This is no longer applicable as of Xcode 4 - follow Nick's instructions for Xcode 4 and later.
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Why can I throw null in Java? [duplicate]
...llPointerException and not a FileNotFoundException
– php_coder_3809625
Aug 24 '16 at 5:50
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...o smaller problems.
Partition the elements in-place.
The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique!
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im...
Handling click events on a drawable within an EditText
...[] drawables = view.getCompoundDrawables();
if (drawables != null && drawables.length == 4)
this.drawable = drawables[2];
}
/*
* (non-Javadoc)
*
* @see android.view.View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent)
*/
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Best way to convert text files between character sets?
... of these arguments. They will default to your current locale, which is usually UTF-8.
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Delete multiple remote branches in git
...ushed over 150 of his local branches to our central repo. Thankfully, they all have the same prefix. Using that prefix, is there a git command or cool little shell script I can use that will delete all of those at once?
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