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How do I create an empty array/matrix in NumPy?
I can't figure out how to use an array or matrix in the way that I would normally use a list. I want to create an empty array (or matrix) and then add one column (or row) to it at a time.
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How does having a dynamic variable affect performance?
I have a question about the performance of dynamic in C#. I've read dynamic makes the compiler run again, but what does it do?
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How can I rename a database column in a Ruby on Rails migration?
I wrongly named a column hased_password instead of hashed_password .
26 Answers
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Where is shared_ptr?
...ted. None of the examples I see show complete code to include the headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all but still it doesn't show up! Can someone help me by telling exactly where to find it?
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How to REALLY show logs of renamed files with git?
I'm relatively new to git. I used Subversion before.
5 Answers
5
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setting y-axis limit in matplotlib
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Try this . Works for subplots too .
axes = plt.gca()
axes.set_xlim([xmin,xmax])
axes.set_ylim([ymin,ymax])
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How can I avoid Java code in JSP files, using JSP 2?
...) and EL (Expression Language, those ${} things) way back in 2001.
The major disadvantages of scriptlets are:
Reusability: you can't reuse scriptlets.
Replaceability: you can't make scriptlets abstract.
OO-ability: you can't make use of inheritance/composition.
Debuggability: if scriptlet throws ...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
Intrigued by this question about infinite loops in perl: while (1) Vs. for (;;) Is there a speed difference? , I decided to run a similar comparison in python. I expected that the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the c...
Git: how to reverse-merge a commit?
... want to do that if you have already pushed your commits to another repository (or someone else has pulled from you).
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Git clone particular version of remote repository
I cloned a remote git repository about a month ago. The remote repository has undergone many changes and has now become unstable. Now I need another copy of the repository, version identical to the one I cloned a month ago.
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