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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...even less portable and break on fairly recent systems (e.g. even Ubuntu 16.04 if not later).
Another downside is that since you aren't calling an explicit executable, it's got the potential for mistakes, and on multiuser systems security problems (if someone managed to get their executable called b...
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...e zone info by default, and without it, Python actually violates the ISO 8601 specification (if no time zone info is given, assumed to be local time). You can use the pytz package to get some default time zones, or directly subclass tzinfo yourself:
from datetime import datetime, tzinfo, timedelta
...
How to split a string at the first `/` (slash) and surround part of it in a ``?
I want to format this date: <div id="date">23/05/2013</div> .
7 Answers
7...
how to compare two elements in jquery [duplicate]
....
Assuming:
<div id="a" class="a"></div>
this:
$('div.a')[0] == $('div#a')[0]
returns true.
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How can I create and style a div using JavaScript?
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var div = document.createElement("div");
div.style.width = "100px";
div.style.height = "100px";
div.style.background = "red";
div.style.color = "white";
div.innerHTML = "Hello";
document.getElementById("main").appendChild(div);
<body>
<div id="main"></div>
&...
CMake output/build directory
...ke, and read a few tutorials on how to use it, and wrote some complicated 50 lines of CMake script in order to make a program for 3 different compilers. This probably concludes all my knowledge in CMake.
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How to align a to the middle (horizontally/width) of the page [duplicate]
I have a div tag with width set to 800 pixels . When the browser width is greater than 800 pixels , it shouldn't stretch the div , but it should bring it to the middle of the page.
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Number of days between two dates in Joda-Time
...e places), which Days.daysBetween doesn't handle properly.
// 5am on the 20th to 1pm on the 21st, October 2013, Brazil
DateTimeZone BRAZIL = DateTimeZone.forID("America/Sao_Paulo");
DateTime start = new DateTime(2013, 10, 20, 5, 0, 0, BRAZIL);
DateTime end = new DateTime(2013, 10, 21, 13, 0, 0, BRA...
Multiplication on command line terminal
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209
Yes, you can use bash's built-in Arithmetic Expansion $(( )) to do some simple maths
$ echo "$...
All permutations of a Windows license key
...te it down.
The simplest way is the use of shell expansion:
$ echo MPP6R-09RXG-2H{8,B}MT-{B,8}K{H,N}M9-V{6,G}C8R
MPP6R-09RXG-2H8MT-BKHM9-V6C8R
MPP6R-09RXG-2H8MT-BKHM9-VGC8R
MPP6R-09RXG-2H8MT-BKNM9-V6C8R
MPP6R-09RXG-2H8MT-BKNM9-VGC8R
MPP6R-09RXG-2H8MT-8KHM9-V6C8R
MPP6R-09RXG-2H8MT-8KHM9-VGC8R
MPP6R...