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What is Type-safe?
... means that the compiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable.
Some simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method arguments, since yo...
How to use glOrtho() in OpenGL?
...rectly.
– Kromster
Mar 23 '16 at 13:05
add a comment
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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller
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– David Silva Smith
Oct 28 '13 at 10:05
1
@MEMark, I had to cast to make it work. Using .NET 4 &am...
Which version of PostgreSQL am I running?
...nstallation of PostgreSQL, or if getting the "postgres: command not found" error:
$ locate bin/postgres | xargs -i xargs -t '{}' -V # xargs is intentionally twice.
/usr/pgsql-9.3/bin/postgres -V
postgres (PostgreSQL) 9.3.5
/usr/pgsql-9.6/bin/postgres -V
postgres (PostgreSQL) 9.6.1
If locate do...
Find out whether radio button is checked with JQuery?
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@zua: you're right! it even had a syntax error, the way it was before (unmatched brackets). fixed
– David Hedlund
Nov 2 '11 at 11:53
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WPF vs Silverlight [duplicate]
...re sending it to your plugin (i.e silverlight). If the HTTP message has an error code (for example 500), the message isn't transfered to the plugin and is discarded by the browser. But the SOAP V 1.2 specification w3.org/TR/2007/REC-soap12-part0-20070427 at the end of the 4.1.2 section say in a nuts...
Default parameters with C++ constructors [closed]
...se your ctor logic should be as minimal as possible. How do you deal with error handling in the ctor, should somebody pass in an argument that doesn't make any sense? You can either throw an exception, which is bad news unless all of your callers are prepared t
Entity Framework: table without primary key
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The error means exactly what it says.
Even if you could work around this, trust me, you don't want to. The number of confusing bugs that could be introduced is staggering and scary, not to mention the fact that your performan...
How to rollback a specific migration?
... (This corrected command was added AFTER all the comments pointing out the error in the original post)
rake db:migrate VERSION=20100905201547
In order to rollback ONLY ONE specific migration (OUT OF ORDER) use:
rake db:migrate:down VERSION=20100905201547
Note that this will NOT rollback any in...
How to pass a function as a parameter in Java? [duplicate]
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– Alexander - Reinstate Monica
May 22 '14 at 23:05
3
@XAleXOwnZX you could use a single Callable<> inte...