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On localhost, how do I pick a free port number?
... port 0, e.g. sock.bind(('', 0)). The OS will then pick an available port for you. You can get the port that was chosen using sock.getsockname()[1], and pass it on to the slaves so that they can connect back.
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Creating dataframe from a dictionary where entries have different lengths
...ntry holds a numpy array. However, the length of the array is not the same for all of them.
9 Answers
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Vim: How to change the highlight color for search hits and quickfix selection
...m using the desert colorscheme, which uses white text on orange background for highlighting search hits. The same pattern is used for the selected entry in the quickfix window.
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What is the order of precedence for CSS?
...ys takes precedence.
In your case its rule 3 that applies.
Specificity for single selectors from highest to lowest:
ids (example: #main selects <div id="main">)
classes (ex.: .myclass), attribute selectors (ex.: [href=^https:]) and pseudo-classes (ex.: :hover)
elements (ex.: div) and pse...
How can I check if character in a string is a letter? (Python)
...nd isupper , but can you check whether or not that character is a letter?
For Example:
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
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beautiful! worked for me with the 'websocket' module.
– philx_x
May 18 '15 at 21:10
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How do I print a double value without scientific notation using Java?
I want to print a double value in Java without exponential form.
14 Answers
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Generate a random point within a circle (uniformly)
I need to generate a uniformly random point within a circle of radius R .
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How does numpy.histogram() work?
...-axis. You could also call this the interval. (Wikipedia defines them more formally as "disjoint categories".)
The Numpy histogram function doesn't draw the histogram, but it computes the occurrences of input data that fall within each bin, which in turns determines the area (not necessarily the he...
What is `git diff --patience` for?
...en should you use patience diff? According to Bram, patience diff is good for this situation:
The really bad cases are ones where two versions have diverged
dramatically and the developer isn't being careful to keep patch sizes
under control. Under those circumstances a diff algorithm can occasion...