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Is there a way to delete a line in Visual Studio without cutting it?
...wise, the shortcut key is Ctrl + Shift + L, which is awkward. Go to Tools > Options > Environment > Keyboard as shown below.
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How to get indices of a sorted array in Python
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If you are using numpy, you have the argsort() function available:
>>> import numpy
>>> numpy.argsort(myList)
array([0, 1, 2, 4, 3])
http://docs.scipy.org/doc/numpy/reference/generated/numpy.argsort.html
This returns the arguments that would sort the array or list.
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
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TL;DR
>>> import pandas as pd
>>> df = pd.DataFrame({'Position':[1,2,3,4,5], 'Letter':['a', 'b', 'c', 'd', 'e']})
>>> dict(sorted(df.values.tolist())) # Sort of sorted...
{'a': 1, 'b': 2, 'c': 3, 'd': 4, ...
How to check if all elements of a list matches a condition?
...ion to produce the result you want cleanly and efficiently. For example:
>>> items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
True
>>> items = [[1, 2, 0], [1, 2, 1], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
Fal...
How to set -source 1.7 in Android Studio and Gradle
...wing to see the module to run on 1.7 (or 1.6 if you prefer). Click File --> Project Structure. Select the module you want to run and then under "Source Compatibility" and "Target Compatibility", select 1.7. Click "OK".
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What are the differences between json and simplejson Python modules?
...ct=False to simplejson.dump, but by default the behaviours do not match.
>>> import collections, simplejson, json
>>> TupleClass = collections.namedtuple("TupleClass", ("a", "b"))
>>> value = TupleClass(1, 2)
>>> json.dumps(value)
'[1, 2]'
>>> simplejson...
Remove unused imports in Android Studio
...ject/Optimize Imports..." each time.
Just set this checkbox in Settings -> Editor -> General -> Auto Import -> Optimize Imports on the fly.
On OSX: Preferences -> Editor -> General -> Auto Import -> Optimize imports on the fly
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Should I use scipy.pi, numpy.pi, or math.pi?
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>>> import math
>>> import numpy as np
>>> import scipy
>>> math.pi == np.pi == scipy.pi
True
So it doesn't matter, they are all the same value.
The only reason all three modules provide ...
Convert string to symbol-able in ruby
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from: http://ruby-doc.org/core/classes/String.html#M000809
str.intern => symbol
str.to_sym => symbol
Returns the Symbol corresponding to str, creating the symbol if it did not previously exist. See Symbol#id2name.
"Koala".intern #=> :Koala
s = 'cat'.to_sym #=> :cat
s ...
Parse query string into an array
...eys are unique). So ?key=lorem&key=ipsum will result in array(["key"]=>"ipsum") The question is, is there a function to get s.th. like this array(["key"]=>array("lorem", "ipsum")) or do I have to create this function on my own?
– MaBi
Mar 1 '15 at 18:...