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What's the simplest way to test whether a number is a power of 2 in C++?
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edited Dec 2 '15 at 3:59
jbranchaud
5,29977 gold badges3939 silver badges6969 bronze badges
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
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423
Update:
You can now just run the following command from your terminal:
xcode-select --install...
Git flow release branches and tags - with or without “v” prefix
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Feb 7 '14 at 23:52
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How do I read CSV data into a record array in NumPy?
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edited Mar 2 '12 at 15:05
Mike Graham
60.5k1212 gold badges8484 silver badges119119 bronze badges
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Pandas convert dataframe to array of tuples
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211
How about:
subset = data_set[['data_date', 'data_1', 'data_2']]
tuples = [tuple(x) for x in s...
Math.random() explanation
... return (int)(Math.random() * range) + min;
}
Output of randomWithRange(2, 5) 10 times:
5
2
3
3
2
4
4
4
5
4
The bounds are inclusive, ie [2,5], and min must be less than max in the above example.
EDIT: If someone was going to try and be stupid and reverse min and max, you could change the cod...
Sort Dictionary by keys
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172
let dictionary = [
"A" : [1, 2],
"Z" : [3, 4],
"D" : [5, 6]
]
let sortedKeys = Arra...
Returning value from called function in a shell script
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282
A Bash function can't return a string directly like you want it to. You can do three things:
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Identifying the dependency relationship for python packages installed with pip
...dencies as a tree structure e.g.:
$ pipdeptree
Lookupy==0.1
wsgiref==0.1.2
argparse==1.2.1
psycopg2==2.5.2
Flask-Script==0.6.6
- Flask [installed: 0.10.1]
- Werkzeug [required: >=0.7, installed: 0.9.4]
- Jinja2 [required: >=2.4, installed: 2.7.2]
- MarkupSafe [installed: 0.18...