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Performance differences between debug and release builds
... NOP opcodes that allow you to set a breakpoint on a curly brace. The big one is the optimizer that's built into the JIT compiler. I know it makes the following optimizations:
Method inlining. A method call is replaced by the injecting the code of the method. This is a big one, it makes proper...
What is the difference between concurrent programming and parallel programming?
...ecause there is a considerable cost associated with transferring data from one cache to another. Dense matrix-matrix multiply is a pedagogical example of parallel programming and it can be solved efficiently by using Straasen's divide-and-conquer algorithm and attacking the sub-problems in parallel....
JavaScript Regular Expression Email Validation [duplicate]
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this is the one i am using on my page.
http://www.zparacha.com/validate-email-address-using-javascript-regular-expression/
/^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6}$/
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Converting a List to a comma separated string
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Clever but slow and bloated, as it allocates one string per element. Using a StringBuilder would be much more efficient.
– Steven Sudit
Oct 6 '09 at 23:49
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Tutorials and libraries for OpenGL-ES games on Android [closed]
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The site you mentioned is very good, but I think the best one I have found is by INsanityDesign. It is a port of the great OpenGL nehe tutorials. This is a great place to start, it gives you source at different levels that you can play with ...
How to implement an ordered, default dict? [duplicate]
... like to combine OrderedDict() and defaultdict() from collections in one object, which shall be an ordered, default dict .
Is this possible?
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jQuery get specific option tag text
... @Kevin, in that case, you might want to use the answer below this one. $('#list option:selected').text()
– nickf
Apr 5 '11 at 16:10
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Converting between datetime, Timestamp and datetime64
...ituation has improved since I wrote this question, a lot of work has been done here :) )
– Andy Hayden
Feb 20 '14 at 19:03
119
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How to set radio button checked as default in radiogroup?
...do that without ids of your buttons, but please not by using setChecked() One way would be radiogroup.check(((RadioButton)radioGroup.getChildAt(INDEX)).getId()) or something like that
– Sprigg
Apr 29 '13 at 13:05
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JavaScript OR (||) variable assignment explanation
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Just mind the 'gotcha' which is that the last one will always get assigned even if they're all undefined, null or false. Setting something you know isn't false, null, or undefined at the end of the chain is a good way to signal nothing was found.
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