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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
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@jsbueno: that will work for Python code but not for C/Fortran routines that Scipy/Numpy wraps around. Those wrapped routines are where the power of Numpy lies.
– Dat Chu
Nov 23 '10 at 17:45
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Adding a y-axis label to secondary y-axis in matplotlib
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I don't have access to Python right now, but off the top of my head:
fig = plt.figure()
axes1 = fig.add_subplot(111)
# set props for left y-axis here
axes2 = axes1.twinx() # mirror them
axes2.set_ylabel(...)
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Remap values in pandas column with a dict
...nd third rows were altered, because the keys in di are 0 and 2, which with Python's 0-based indexing refer to the first and third locations.
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What's wrong with Groovy multi-line String?
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def a = "test" \
+ "test" \
+ "test"
FWIW, this is identical to how Python multi-line statements work.
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What is “function*” in JavaScript?
...ting suspended execution contexts (i.e., function activations). Prior art: Python, Icon, Lua, Scheme, Smalltalk.
Examples
The “infinite” sequence of Fibonacci numbers (notwithstanding behavior around 253):
function* fibonacci() {
let [prev, curr] = [0, 1];
for (;;) {
[prev, curr]...
What are unit tests, integration tests, smoke tests, and regression tests?
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@alpha_989: I don't know what the convention would be for Python. In .NET I currently have the production code, unit tests and integration tests in three separate projects, peers of each other - but there are lots of alternatives too.
– Jon Skeet
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Refresh image with a new one at the same url
...g the use of stale script or css files, or perhaps even refreshing updated PDF documents (using (4) only if set up to open in-browser). Method (4) might require some changes to the above javascript, in these cases.
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json.dumps vs flask.jsonify
...se this method to answer your request.
dumps, is more about formating data/python object into json and work on it inside your application. For instance, I need to pass an object to my representation layer where some javascript will display graph. You'll feed javascript with the Json generated by dum...
List comprehension: Returning two (or more) items for each item
...faster but I will time both methods now, tuples are generated very fast in python though.
– jamylak
Aug 8 '12 at 16:41
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How to make vim paste from (and copy to) system's clipboard?
... this mess up with indentation if there are multiple line like python for loop
– Moj
May 6 '14 at 16:37
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