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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()

To allocate() or to allocateDirect() , that is the question. 4 Answers 4 ...
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Android screen size HDPI, LDPI, MDPI [duplicate]

I have a background that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are. ...
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Given a number, find the next higher number which has the exact same set of digits as the original n

...the right, you find the first pair-of-digits such that the left-digit is smaller than the right-digit. Let's refer to the left-digit by "digit-x". Find the smallest number larger than digit-x to the right of digit-x, and place it immediately left of digit-x. Finally, sort the remaining digits in ...
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'innerText' works in IE, but not in Firefox

...current beta release, and has been in aurora for a while. What this practically means is you can start developing sites using innerText only and expect it to work (with possible quirks) on all current browsers in the near future, and old-IE too. – Bob Feb 22 '1...
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When should we use intern method of String on String literals

... Java automatically interns String literals. This means that in many cases, the == operator appears to work for Strings in the same way that it does for ints or other primitive values. Since interning is automatic for String literals, the ...
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What exactly is metaprogramming?

...gram can examine information about itself. For example returning a list of all the properties of an object. In languages like ActionScript, you can evaluate functions at runtime to create new programs such as eval("x" + i). DoSomething() would affect an object called x1 when i is 1 and x2 when i is...
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Are memory leaks ever ok? [closed]

...forced this situation on me, it would lead me to seriously suspect the overall quality of the library in question. It would be as if I test drove a car and found a couple loose washers and nuts in one of the cupholders – it may not be a big deal in itself, but it portrays a lack of commitment to ...
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Most simple but complete CMake example

Somehow I am totally confused by how CMake works. Every time I think that I am getting closer to understand how CMake is meant to be written, it vanishes in the next example I read. All I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance i...
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How to list the tables in a SQLite database file that was opened with ATTACH?

....schema tablename Print the entire table: SELECT * FROM tablename; List all of the available SQLite prompt commands: .help share | improve this answer | follow ...
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How to run a single RSpec test?

... Usually I do: rspec ./spec/controllers/groups_controller_spec.rb:42 Where 42 represents the line of the test I want to run. EDIT1: You could also use tags. See here. EDIT 2: Try: bundle exec rspec ./spec/controllers/gro...