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How to install pip for Python 3 on Mac OS X?
OS X (Mavericks) has Python 2.7 stock installed. But I do all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I can do it the way I've done it before, which is:
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Two sets of parentheses after function call
...'s possible to immediately call the returned function:
$filter('number')('123')
Alternatively, you may keep the returned function for future use:
var numberFilter = $filter('number');
numberFilter('123')
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Why can't Python's raw string literals end with a single backslash?
...also that a
single backslash followed by a newline
is interpreted as those two characters
as part of the string, not as a line
continuation.
So raw strings are not 100% raw, there is still some rudimentary backslash-processing.
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Copy a variable's value into another
...your top-level object. For example, given this object:
var obj = {
w: 123,
x: {
y: 456,
z: 789
}
};
If you do a shallow copy of that object, then the x property of your new object is the same x object from the original:
var copy = $.extend( {}, obj );
copy.w = 321;
co...
How to load all modules in a folder?
...n the current folder and put them as __all__ variable in __init__.py
from os.path import dirname, basename, isfile, join
import glob
modules = glob.glob(join(dirname(__file__), "*.py"))
__all__ = [ basename(f)[:-3] for f in modules if isfile(f) and not f.endswith('__init__.py')]
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CSV new-line character seen in unquoted field error
... very cools thanks) I get coercing to Unicode: need string or buffer, S3BotoStorageFile found
– GrantU
Jun 26 '13 at 9:21
4
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Kill process by name?
...ps -A exists),
>>> import subprocess, signal
>>> import os
>>> p = subprocess.Popen(['ps', '-A'], stdout=subprocess.PIPE)
>>> out, err = p.communicate()
gives you ps -A's output in the out variable (a string). You can break it down into lines and loop on them....
C# member variable initialization; best practice?
...it : base() unless you add something more specific - which could be : base(123, "abc"), or could be : this(123, "abc").
– Marc Gravell♦
Sep 22 '12 at 9:51
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Regular expressions in an Objective-C Cocoa application
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I noticed that as of iOS 4.0 Apple provides a NSRegularExpression class. Additionally, as of 10.7, the class is available under OS X.
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im...
How do I watch a file for changes?
... This answer is Windows-specific, but it appears that some cross-platform solutions to this problem have been posted here as well.
– Anderson Green
Aug 13 '13 at 22:53
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