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How does Junit @Rule work?
...create our own Junit Rule.
Here is a useful link for reference:
http://www.codeaffine.com/2012/09/24/junit-rules/
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href image link download on click
...te 'download' to your links.
<a href="/test.pdf" download>
http://www.w3schools.com/tags/att_a_download.asp
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Autocompletion in Vim
... new vim users who are still getting their vim-fingers!
OniVim: https://www.onivim.io/
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How to prove that a problem is NP complete?
...in polynomial time which makes the problem NP-Hard.
See the end of http://www.ics.uci.edu/~eppstein/161/960312.html for more.
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CMake output/build directory
...where to compile.
Instead of that use one of predefined variables:
http://www.cmake.org/Wiki/CMake_Useful_Variables
(look for CMAKE_BINARY_DIR and CMAKE_CURRENT_BINARY_DIR)
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CSS :not(:last-child):after selector
...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<head>
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<html>
<ul>
<li>One</li>
<li>Two</li>
<li>Thr...
Producing a new line in XSLT
... characters (default for xsl:text)
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" indent="yes" encoding="utf-8"/>
<xsl:template match="/">
<xsl:text>&lt;!DOCTYPE Subscriptions SYSTEM "Subscripti...
width:auto for fields
...e above part of the original poster's question.
Here's the answer:
http://www.456bereastreet.com/archive/201112/the_difference_between_widthauto_and_width100/
As long as the value of width is auto, the element can have horizontal
margin, padding and border without becoming wider than its cont...
How do I automatically update a timestamp in PostgreSQL
...when the record is changed. This article explains it quite nicely:
http://www.revsys.com/blog/2006/aug/04/automatically-updating-a-timestamp-column-in-postgresql/
CREATE OR REPLACE FUNCTION update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.modified = now();
RETURN NEW;
END;
$...
How do I perform a Perl substitution on a string while keeping the original?
...
Another pre-5.14 solution: http://www.perlmonks.org/?node_id=346719 (see japhy's post)
As his approach uses map, it also works well for arrays, but requires cascading map to produce a temporary array (otherwise the original would be modified):
my @orig = ('...