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Pip freeze vs. pip list
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111
When you are using a virtualenv, you can specify a requirements.txt file to install all the de...
Converting NumPy array into Python List structure?
How do I convert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
5 Answers
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What's the UIScrollView contentInset property for?
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241
It sets the distance of the inset between the content view and the enclosing scroll view.
Obj-C...
Are tuples more efficient than lists in Python?
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180
The dis module disassembles the byte code for a function and is useful to see the difference b...
How to unstash only certain files?
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481
As mentioned below, and detailed in "How would I extract a single file (or changes to a file) fr...
Multiple queries executed in java in single statement
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140
I was wondering if it is possible to execute something like this using JDBC.
"SELECT FROM * T...
How to get the first element of an array?
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31 Answers
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How to convert a std::string to const char* or char*?
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1091
If you just want to pass a std::string to a function that needs const char* you can use
std...
How do I retrieve the number of columns in a Pandas data frame?
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312
Like so:
import pandas as pd
df = pd.DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [...
How do I parse JSON with Objective-C?
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175
With the perspective of the OS X v10.7 and iOS 5 launches, probably the first thing to recomme...