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CSS: Change image src on img:hover
...
.img-wrapper {
display: inline-block;
background-image: url(https://www.w3schools.com/w3images/fjords.jpg);
}
.img-wrapper > img {
vertical-align: top;
}
.img-wrapper > img:hover {
opacity: 0;
}
<div class="img-wrapper">
<img src="https://www.w3schools.com/w3...
What is the purpose of backbone.js?
...ls as the back-end:
CloudEdit: A Backbone.js Tutorial with Rails:
http://www.jamesyu.org/2011/01/27/cloudedit-a-backbone-js-tutorial-by-example/
http://www.jamesyu.org/2011/02/09/backbone.js-tutorial-with-rails-part-2/
p.s. There is also this wonderful Collection class that lets you deal with co...
Single controller with multiple GET methods in ASP.NET Web API
...defaults: new { id = RouteParameter.Optional }
);
Some Good Links
http://www.asp.net/web-api/overview/getting-started-with-aspnet-web-api/tutorial-your-first-web-api
This one explains routing better.
http://www.asp.net/web-api/overview/web-api-routing-and-actions/routing-in-aspnet-web-api
...
Mock framework vs MS Fakes frameworks
... I think it applies to this discussion so I'm including it here):
http://www.pluralsight.com/training/Courses/TableOfContents/rhinomock-fundamentals
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Setting Curl's Timeout in PHP
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See documentation: http://www.php.net/manual/en/function.curl-setopt.php
CURLOPT_CONNECTTIMEOUT - The number of seconds to wait while trying to connect. Use 0 to wait indefinitely.
CURLOPT_TIMEOUT - The maximum number of seconds to allow cURL functio...
Meaning of $? (dollar question mark) in shell scripts
...special variables like this, as you can see on this online manual: https://www.gnu.org/s/bash/manual/bash.html#Special-Parameters
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follow
...
Android YouTube app Play Video Intent
...bIntent = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.youtube.com/watch?v=" + id));
try {
context.startActivity(appIntent);
} catch (ActivityNotFoundException ex) {
context.startActivity(webIntent);
}
}
Note: Beware when you are using this met...
How to send a header using a HTTP request through a curl call?
... multi-
ple headers.
Example:
curl --header "X-MyHeader: 123" www.google.com
You can see the request that curl sent by adding the -v option.
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How to repeat a “block” in a django template
...os plugin:
https://gist.github.com/1715202 (django >= 1.4)
or
http://www.djangosnippets.org/snippets/363/ (django < 1.4)
django >= 1.4
# base.html
{% kwacro title %}
{% block title %}My Cool Website{% endblock %}
{% endkwacro %}
<html>
<head>
<title>{...
How do I unlock a SQLite database?
...
In windows you can try this program http://www.nirsoft.net/utils/opened_files_view.html to find out the process is handling db file. Try closed that program for unlock database
In Linux and macOS you can do something similar, for example, if your locked file is devel...