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How to refresh Android listview?
...ntation on notifyDataSetChanged(). To much in android is left to black box testing.
– Anderson
Apr 13 '14 at 11:44
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Seedable JavaScript random number generator
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If you want to use a better RNG, try the Mersenne Twister. It is a well tested and fairly robust RNG with a huge orbit and excellent performance.
EDIT: I really should be correct and refer to this as a Pseudo Random Number Generator or PRNG.
"Anyone who uses arithmetic methods to produce ran...
Get the first item from an iterable that matches a condition
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As a reusable, documented and tested function
def first(iterable, condition = lambda x: True):
"""
Returns the first item in the `iterable` that
satisfies the `condition`.
If the condition is not given, returns the first item of
the ...
How to set environment variables in Python?
... python script is running, calling os.environ again will not reflect the latest values.
Excerpt from the docs:
This mapping is captured the first time the os module is imported,
typically during Python startup as part of processing site.py. Changes
to the environment made after this time ar...
What is a bus error?
...SIGBUS. */
*map = 0;
}
Run with:
gcc -std=c99 main.c -lrt
./a.out
Tested in Ubuntu 14.04.
POSIX describes SIGBUS as:
Access to an undefined portion of a memory object.
The mmap spec says that:
References within the address range starting at pa and continuing for len bytes to whol...
How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
...lly.
Then download nvm and follow the instructions to install node. The latest versions of node come with npm, I believe, but you can also reinstall that as well.
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How to prevent long words from breaking my div?
...ignore this character when searching text, and Chrome and Firefox (haven't tested others) ignore it when copying text to clipboard.
<wbr> element
Another option is to inject <wbr>, a former IE-ism, which is now in HTML5:
averyvery<wbr>longword
Breaks with no hyphen:
averyvery
lon...
CSS center text (horizontally and vertically) inside a div block
...d.
Example: http://jsfiddle.net/2woqsef1/2/
The examples above have been tested on major browsers including MS Edge and Internet Explorer 11.
One technical note if you need to customize it: inside of the flex item, since this flex item is not a flex container itself, the old non-flexbox way of CS...
T-SQL split string
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I posted some improvements (with backing test cases) to my github page here. I will post it as an answer in this Stack Overflow thread when I have enough rep to exceed post "protection"
– mpag
Jun 16 '16 at 19:29
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How to check if a python module exists without importing it
...into the masking-import-errors issue in real life, and it was bad (causing tests which should have been failing to pass!).
– David Given
Jan 10 '19 at 12:12
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