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Efficiency of Java “Double Brace Initialization”?

...2$8.class 2009/05/27 16:35 2,022 DemoApp2$9.class These are all classes which were generated when I was making a simple application, and used copious amounts of anonymous inner classes -- each class will be compiled into a separate class file. The "double brace initialization", as al...
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Map Tiling Algorithm

... The basic idea of this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile according to the shape of the edge. The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as ...
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The performance impact of using instanceof in Java

...y heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ? ...
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How do you remove Subversion control for a folder?

... getting back your folder icon in normal restart the svn server and that's all – 3ehrang Feb 27 '12 at 8:58 The server...
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How to add text at the end of each line in Vim?

... block mode. Simply pressing $A in Visual block mode appends to the end of all lines in the selection. The appended text will appear on all lines as soon as you press Esc. So this is a possible solution: vip<C-V>$A,<Esc> That is, in Normal mode, Visual select a paragraph vip, switch ...
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Task vs Thread differences [duplicate]

I'm new to parallel programming. There are two classes available in .NET: Task and Thread . 4 Answers ...
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Check if table exists and if it doesn't exist, create it in SQL Server 2008

...read, and you don't have to worry about sys.objects vs. sysobjects vs. sys.all_objects vs. sys.tables. Basic form: IF object_id('MyTable') is not null PRINT 'Present!' ELSE PRINT 'Not accounted for' Of course this will show as "Present" if there is any object present with that name. If yo...
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Clone() vs Copy constructor- which is recommended in java [duplicate]

...rclass since the Beta-release days of the Java compiler*; and it, like all ancient magic, requires the appropriate incantation to prevent the spell from unexpectedly backfiring Prefer a method that copies the object Foo copyFoo (Foo foo){ Foo f = new Foo(); //for all properties in F...
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How to dismiss a Twitter Bootstrap popover by clicking outside?

...-title]' in place of '[data-toggle="popover"]' Caveat: The solution above allows multiple popovers to be open at once. One popover at a time please: Update: Bootstrap 3.0.x, see code or fiddle http://jsfiddle.net/mattdlockyer/C5GBU/2/ $('body').on('click', function (e) { $('[data-toggle="pop...
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Replace new lines with a comma delimiter with Notepad++?

... or anything else: Click Edit -> Blank Operations -> EOL to space [All the items should now be in a single line separated by a 'space'] Select any 'space' and do a Replace All (by ',') share | ...