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Efficient evaluation of a function at every cell of a NumPy array
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You could just vectorize the function and then apply it directly to a Numpy array each time you need it:
import numpy as np
def f(x):
return x * x + 3 * x - 2 if x > 0 else x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the...
Pass variables to Ruby script via command line
I've installed RubyInstaller on Windows and I'm running IMAP Sync but I need to use it to sync hundreds of accounts. If I could pass these variables to it via command line I could automate the whole process better.
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How to write :hover condition for a:before and a:after?
How to write :hover and :visited condition for a:before ?
7 Answers
7
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Making a WinForms TextBox behave like your browser's address bar
... I've found a way to make it work. This solution is pretty straightforward and seems to work in all the scenarios (mousing down, selecting text, tabbing focus, etc.)
bool alreadyFocused;
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textBox1.GotFocus += textBox1_GotFocus;
textBox1.MouseUp += textBox1_MouseUp;
textBox1.Leave += textBox1_L...
Export a graph to .eps file with R
...e? I typically export my graphs to a .pdf file (using the 'pdf' function), and it works quite well. However, now I have to export to .eps files.
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How to add a custom loglevel to Python's logging facility
...class Logger in logging.__init__.py for Python 2.7, this is what all the standard log functions do (.critical, .debug, etc.).
I apparently can't post replies to others' answers for lack of reputation... hopefully Eric will update his post if he sees this. =)
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Git Commit Messages: 50/72 Formatting
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For these reasons, the "summary" must be no more than 70-75
characters, and it must describe both what the patch changes, as well
as why the patch might be necessary. It is challenging to be both
succinct and descriptive, but that is what a well-written summary
should do.
That said, it seems l...
Ignore Xcode warnings when using Cocoapods
...? Currently I use s.dependency 'Facebook-iOS-SDK' s.inhibit_all_warnings! and I get the following error: undefined method `inhibit_all_warnings!' for #<Pod::Specification for MyApp(1.0)>
– KrauseFx
Nov 3 '12 at 21:27
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
...ough rep to edit the question but feel free to remove the ECMAScript lingo and replace with the appropriate wording. Thanks Again
– Bobby Borszich
Nov 16 '09 at 19:47
12
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Center image in div horizontally [duplicate]
I have an img in a div ( class="top_image" ) and I want this image to be exactly in the middle of the div but nothing I try works...
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