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What exactly is Arel in Rails 3.0?
...ment for named_scopes. In fact, ARel is pretty much the realization of the idea that "every query is a named_scope". And, whaddayaknow: both were written by the same guy.
and that it uses objects instead of queries.
No, it uses objects as queries.
why is this better?
Ruby is an object-oriented l...
Suppress command line output
...scriptor 1, and stderr is file descriptor 2 by convention. (0 is stdin, incidentally.) The 2>&1 copies output file descriptor 2 from the new value of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful becaus...
How to open every file in a folder?
...uld then open those one by one within the loop.
– David R
Aug 12 '16 at 6:35
To be a true solution this answer should ...
Which is best way to define constants in android, either static class, interface or xml resource?
I'm developing an android application which uses web service to get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it a...
Hibernate openSession() vs getCurrentSession()
... edited Jun 17 '15 at 13:54
Siddharth
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answered Nov 8 '11 at 10:49
...
Using git commit -a with vim
I'm new with git, so I decided to learn git using the tutorials of github. The third chapter said:
6 Answers
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What is the purpose of global.asax in asp.net
...ation_Disposed: Fired just before an application is destroyed. This is the ideal location for cleaning up previously used resources.
Application_Error: Fired when an unhandled exception is encountered within the application.
Application_Start: Fired when the first instance of the HttpApplication c...
List all of the possible goals in Maven 2?
... lifecycles which are different) is composed of the following phases:
validate: validate the project is correct and all necessary information is available.
compile: compile the source code of the project.
test: test the compiled source code using a suitable unit testing framework. These tests shou...
Are non-synchronised static methods thread safe if they don't modify static class variables?
...les is it thread-safe? What about if the method creates local variables inside it? For example, is the following code thread-safe?
...
Include another HTML file in a HTML file
... });
</script>
</head>
<body>
<div id="includedContent"></div>
</body>
</html>
b.html:
<p>This is my include file</p>
This method is a simple and clean solution to my problem.
The jQuery .load() documentation is here.
...