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Sleeping in a batch file
...t (it has other uses too :), just create the following sleep.py script and add it somewhere in your PATH:
import time, sys
time.sleep(float(sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather than slee...
How to vertically center divs? [duplicate]
...plement a fallback solution using one of the older methods.
Recommended Reading
Browser support
A Guide to Flexbox
Using CSS Flexible Boxes
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How to resize Twitter Bootstrap modal dynamically based on the content
...
position: relative;
overflow-y: auto;
max-height: 400px;
padding: 15px;
}
So you can add inline styles dynamically using jquery css method:
For newer versions of bootstrap use show.bs.modal
$('#modal').on('show.bs.modal', function () {
$(this).find('.modal-body').css({
...
Convert a number range to another range, maintaining ratio
...n) * (NewMax - NewMin)) / (OldMax - OldMin)) + NewMin
Or a little more readable:
OldRange = (OldMax - OldMin)
NewRange = (NewMax - NewMin)
NewValue = (((OldValue - OldMin) * NewRange) / OldRange) + NewMin
Or if you want to protect for the case where the old range is 0 (OldMin = OldMax):
...
Can you break from a Groovy “each” closure?
... from a Groovy .each{Closure} , or should I be using a classic loop instead?
6 Answers
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Is there a builtin identity function in python?
...actually (a lambda avoids naming the function):
_ = lambda *args: args
advantage: takes any number of parameters
disadvantage: the result is a boxed version of the parameters
OR
_ = lambda x: x
advantage: doesn't change the type of the parameter
disadvantage: takes exactly 1 positional par...
How to create a cron job using Bash automatically without the interactive editor?
...
You can add to the crontab as follows:
#write out current crontab
crontab -l > mycron
#echo new cron into cron file
echo "00 09 * * 1-5 echo hello" >> mycron
#install new cron file
crontab mycron
rm mycron
Cron line exp...
How do I get bit-by-bit data from an integer value in C?
...masked_n = n & mask;
int thebit = masked_n >> k;
You can read more about bit-masking here.
Here is a program:
#include <stdio.h>
#include <stdlib.h>
int *get_bits(int n, int bitswanted){
int *bits = malloc(sizeof(int) * bitswanted);
int k;
for(k=0; k<bitswan...
How to display loading message when an iFrame is loading?
I have an iframe that loads a third party website which is extremely slow to load.
9 Answers
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How to specify test directory for mocha?
... command line, but wanted to run the tests in a folder ./server-tests instead of ./test, create a file at ./test/mocha.opts with just this in the file:
server-tests
If you wanted to run everything in that folder and subdirectories, put this into test/mocha.opts
server-tests
--recursive
mocha.o...