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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...
#!/bin/bash
# by Dennis Williamson
# 2010-10-06, revised 2010-11-10
# for http://stackoverflow.com/q/3869072
# designed to fit an 80 character terminal
dw=5 # description column width
w=6 # table column width
t () { printf '%-*s' "$w" " true"; }
f () { [[ $? == 1 ]] && printf '%-*s...
How to print out more than 20 items (documents) in MongoDB's shell?
...ow more about what else you can do, I suggest you to look at this article: http://mo.github.io/2017/01/22/mongo-db-tips-and-tricks.html
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How can I make Bootstrap columns all the same height?
...yellow">
catz
<img width="100" height="100" src="https://placekitten.com/100/100/">
</div>
<div class="col-md-4" style="background-color: green">
some more content
</div>
</div>
</div>
Solution 1 using...
'\r': command not found - .bashrc / .bash_profile [duplicate]
...nore carriage return (\r) characters used in Windows line separators.
See http://cygwin.com/ml/cygwin-announce/2010-08/msg00015.html.
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How can I easily fixup a past commit?
...#!/usr/bin/env python
from subprocess import call
import sys
# Taken from http://stackoverflow.com/questions/377017/test-if-executable-exists-in python
def which(program):
import os
def is_exe(fpath):
return os.path.exists(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os....
COALESCE Function in TSQL
...sn't NULL.
There's a much more thorough description of the details here
http://www.mssqltips.com/sqlservertip/2689/deciding-between-coalesce-and-isnull-in-sql-server/
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Javascript objects: get parent [duplicate]
...obj3: {
msg: 'Hello'
}
}.init();
myApp.obj1.obj2.notify();
http://jsbin.com/zupepelaciya/1/watch?js,console
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Learning about LINQ [closed]
...rect order in a LINQ to Objects query
Compose a LINQ query inside a loop
http://www.aspnetpro.com/articles/2009/04/asp200904zh_f/asp200904zh_f.asp
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How to apply specific CSS rules to Chrome only?
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CSS Solution
from https://jeffclayton.wordpress.com/2015/08/10/1279/
/* Chrome, Safari, AND NOW ALSO the Edge Browser and Firefox */
@media and (-webkit-min-device-pixel-ratio:0) {
div{top:10;}
}
/* Chrome 29+ */
@media screen and (-webki...
socket.error: [Errno 48] Address already in use
...ep python
501 81651 12648 0 9:53PM ttys000 0:00.16 python -m SimpleHTTPServer
The command arguments are included, so you can spot the one running SimpleHTTPServer if more than one python process is active. You may want to test if http://localhost:8000/ still shows a directory listing for l...