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How does BLAS get such extreme performance?
...ning the library by hand for your particular machine then using a prebuilt one.)
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Why are primes important in cryptography?
One thing that always strikes me as a non-cryptographer: Why is it so important to use Prime numbers? What makes them so special in cryptography?
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Why do we declare Loggers static final?
... - so that no other class can hijack your logger
static - so there is only one logger instance per class, also avoiding attempts to serialize loggers
final - no need to change the logger over the lifetime of the class
Also, I prefer name log to be as simple as possible, yet descriptive.
EDIT: How...
How do I move a file (or folder) from one folder to another in TortoiseSVN?
I would like to move a file or folder from one place to another within the same repository without having to use Repo Browser to do it, and without creating two independent add/delete operations. Using Repo Browser works fine except that your code will be hanging in a broken state until you get any...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
... passing by value is perfectly acceptable. But, apart from speed, there is one other reason why you should be careful passing/returning large structs by value: Stack space.
A lot of C programming is for embedded systems, where memory is at a premium, and stack sizes may be measured in KB or even By...
How to pick just one item from a generator?
...ay also be used to avoid the StopIteration exception. For example next(g, None) for a generator of strings will either yield a string or None after the iteration was finished.
– Attila
Mar 6 '13 at 14:18
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Java - escape string to prevent SQL injection
...ny way.
There are different set methods for different data types -- which one you use depends on what your database fields are. For example, if you have an INTEGER column in the database, you should use a setInt method. The PreparedStatement documentation lists all the different methods available...
Formula to determine brightness of RGB color
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Not correct. Before applying the linear transformation, one must first apply the inverse of the gamma function for the color space. Then after applying the linear function, the gamma function is applied.
– Jive Dadson
Nov 26 '12 at 3:43
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Android: how to handle button click
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Question 1:
Unfortunately the one in which you you say is most intuitive is the least used in Android. As I understand, you should separate your UI (XML) and computational functionality (Java Class Files). It also makes for easier debugging. It is actuall...
How to check if PHP array is associative or sequential?
... all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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