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What's the point of Spring MVC's DelegatingFilterProxy?
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Do you know what a Servlet Filter is and how it works? It's a very useful piece of the Servlet Spec, allowing us to apply AOP-like concepts to servicing of HTTP requests. Many frameworks use Filter implementations for various things,...
Laravel Migration Change to Make a Column Nullable
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Laravel 5 now supports changing a column; here's an example from the offical documentation:
Schema::table('users', function($table)
{
$table->string('name', 50)->nullable()->change();
});
Source: http://laravel.com/docs...
Search and replace in Vim across all the project files
...looks like 's/pattern/replacement/' is the extension, I think I understand now.
– davekaro
Feb 23 '13 at 13:29
11
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...ver write code for a BSD system.
There are a couple of basics you should know before we look at these two options. A TCP/UDP connection is identified by a tuple of five values:
{<protocol>, <src addr>, <src port>, <dest addr>, <dest port>}
Any unique combination of t...
String representation of an Enum
...c's answer below that allows it to be used with Switch-Case statements, so now there is no downside to this approach :)
– deadlydog
Jan 20 '14 at 21:15
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How does the const constructor actually work?
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compile-time constant values: Objects where the all field values are
known already at compile time, without executing any statements.
That puts some restrictions on the class and constructor. A const
constructor can't have a body (no statements executed!) and its class
must not have an...
Mac OS X Terminal: Map option+delete to “backward delete word”
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On Yosemite, this is setting is now under Preferences -> Profiles -> Keyboard. Looks like you have to change/set it for each profile.
– palimpsestor
Mar 9 '15 at 21:08
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Error: “Cannot modify the return value” c#
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By now you already know what the source of the error is. In case a constructor doesn't exist with an overload to take your property (in this case X), you can use the object initializer (which will do all the magic behind the sce...
Are there any smart cases of runtime code modification?
...tion in their OpenGL stack.
In some cases software resorts to a technique known as trampoline which involves the dynamic creation of code on the stack (or another place). Examples are GCC's nested functions and the signal mechanism of some Unices.
Sometimes code is translated into code at runtime ...
ggplot: How to increase spacing between faceted plots?
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Due to another update, the incantation is now theme(panel.margin = unit(2, "lines"))
– David J. Harris
Nov 8 '16 at 16:49
14
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