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Catch multiple exceptions in one line (except block)
... I encounter I expect the full stack trace from.
This is documented here: https://docs.python.org/tutorial/errors.html
You can assign the exception to a variable, (e is common, but you might prefer a more verbose variable if you have long exception handling or your IDE only highlights selections l...
Cron job every three days
...t how about:
0 */72 * * *
It will run every 72 hours non-interrupted.
https://crontab.guru/#0_/72___
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How can I pass a parameter to a setTimeout() callback?
...o = "Hello World";
setTimeout(alert, 1000, hello);
More details:
https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers.setTimeout
http://arguments.callee.info/2008/11/10/passing-arguments-to-settimeout-and-setinterval/
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Get form data in ReactJS
...(this.refs.theInput).value);
}
More info can be found in the React docs:
https://facebook.github.io/react/docs/more-about-refs.html#the-ref-string-attribute
For a lot of the reasons described in How do I use radio buttons in React? this approach isn't always the best, but it does present a useful...
Getting the client's timezone offset in JavaScript
...w Date().toString().match(/([-\+][0-9]+)\s/)[1]
Date.toString reference: https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Date/toString
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StringIO in Python3
...h a bit to find this; I hope the following helps others.
Python 2.7
See: https://docs.scipy.org/doc/numpy/user/basics.io.genfromtxt.html
import numpy as np
from StringIO import StringIO
data = "1, abc , 2\n 3, xxx, 4"
print type(data)
"""
<type 'str'>
"""
print '\n', np.genfromtxt(String...
Is Chrome's JavaScript console lazy about evaluating arrays?
... able to find an existing unconfirmed Webkit bug that explains this issue: https://bugs.webkit.org/show_bug.cgi?id=35801 (EDIT: now fixed!)
There appears to be some debate regarding just how much of a bug it is and whether it's fixable. It does seem like bad behavior to me. It was especially trou...
Understanding typedefs for function pointers in C
...s:
float result = (*myFnPtr)(2.0, 5.1);
This makes good reading: http://www.newty.de/fpt/index.html
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How to check in Javascript if one element is contained within another
...use Node.contains, since it's now standard and available in all browsers.
https://developer.mozilla.org/en-US/docs/Web/API/Node.contains
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Single quotes vs. double quotes in Python [closed]
...
Quoting the official docs at https://docs.python.org/2.0/ref/strings.html:
In plain English: String literals can be enclosed in matching single quotes (') or double quotes (").
So there is no difference. Instead, people will tell you to choose whic...