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MySQL foreign key constraints, cascade delete
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answered May 26 '10 at 22:45
Marc BMarc B
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How do you downgrade rubygems?
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Ryan BiggRyan Bigg
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36
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Reverse Range in Swift
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Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a range
for i in (1...5).reversed() { print(i) } // 5 4 3 2 1
Or stride(from:through:by:) method
for i in stride(from:5,through:1,by:-1) { print(i) } // 5 4 3 2 1
stide(from:to:b...
How do you plot bar charts in gnuplot?
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124
Simple bar graph:
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) wit...
jQuery - checkbox enable/disable
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423
Change your markup slightly:
$(function() {
enable_cb();
$("#group1").click(enable_...
How to add multiple objects to ManyToMany relationship at once in Django ?
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334
Use: object.m2mfield.add(*items) as described in the documentation:
add() accepts an arbitrary ...
Django ManyToMany filter()
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answered Feb 8 '10 at 3:34
istrubleistruble
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How do I find out which settings.xml file maven is using
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Use the Maven debug option, ie mvn -X :
Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100)
Maven home: /usr/java/apache-maven-3.0.3
Java version: 1.6.0_12, vendor: Sun Microsystems Inc.
Java home: /usr/java/jdk1.6.0_12/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linu...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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edited Mar 29 '18 at 14:02
cori
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answered Aug...
What's the difference between “groups” and “captures” in .NET regular expressions?
...about it. Here's what the famous Jeffrey Friedl has to say about it (pages 437+):
Depending on your view, it either adds
an interesting new dimension to the
match results, or adds confusion and
bloat.
And further on:
The main difference between a Group
object and a Capture object i...