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How to automatically install Ansible Galaxy roles?
... Ansible as a Vagrant provisioner). See the relevant Ansible docs for more info.
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What does 'super' do in Python?
...thod - but could be other names) and finding the class (e.g. Child) in the free variables (it is looked up with the name __class__ as a free closure variable in the method).
I prefer to demonstrate the cross-compatible way of using super, but if you are only using Python 3, you can call it with no ...
NGinx Default public www location?
...e used on some systems but not all. I do agree nginx -V gives you a lot of info that will help track where the files are, but this depends on OS. I.E. on FreeBSD does are not in whatever "--prefix" is, but "/usr/local/www" and in some linux distros it might also deffer. Its best to look into the c...
augmented reality framework [closed]
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Aurasma currently offers their technology for free (standalone or embedded in other apps): aurasma.com/become-a-partner
– OrangeDog
Jan 4 '13 at 9:52
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Extract month and year from a zoo::yearmon object
...or a standard ts solution for the same problem. So I thought I'd add a zoo-free answer for ts as well.
# create an example Date
date_1 <- as.Date("1990-01-01")
# extract year
as.numeric(format(date_1, "%Y"))
# extract month
as.numeric(format(date_1, "%m"))
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Get list of data-* attributes using javascript / jQuery
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or convert gilly3's excellent answer to a jQuery method:
$.fn.info = function () {
var data = {};
[].forEach.call(this.get(0).attributes, function (attr) {
if (/^data-/.test(attr.name)) {
var camelCaseName = attr.name.substr(5).replace(/-(.)/g, function ($0, ...
Using OpenGl with C#? [closed]
Is there free OpenGL support libraries for C#? If so, which one do I use and where do I find sample projects?
9 Answers
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How to use the 'og' (Open Graph) meta tag for Facebook share
...e-configures entries for Facebook, Google+ and Twitter, and you can use it free here: http://www.groovymeta.com
To answer the question a bit more, OG tags (Open Graph) tags work similarly to meta tags, and should be placed in the HEAD section of your HTML file. See Facebook's best practises for mor...
Maven 3 warnings about build.plugins.plugin.version
...you are missing version numbers, Maven will display its default version:
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ entities ---
Take that version number (as in the 2.3.2 above) and add it to your POM, as shown.
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What is the Java equivalent of PHP var_dump?
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It is not quite as baked-in in Java, so you don't get this for free. It is done with convention rather than language constructs. In all data transfer classes (and maybe even in all classes you write...), you should implement a sensible toString method. So here you need to override toS...