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Performance of Java matrix math libraries? [closed]
....
Using Jama with Java, the time taken was 50 seconds.
Using Colt and Parallel Colt with Java, the time taken was 150 seconds!
Using JBLAS with Java, the time taken was again around 4 seconds as JBLAS uses multithreaded ATLAS.
So for me it was clear that the Java libraries didn't perform too wel...
Associative arrays in Shell scripts
....0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh:
declare -A newmap
newmap[name]="Irfan Zulfiqar"
newmap[designation]=SSE
newmap[company]="My Own Company"
echo ${newmap[company]}
echo ${newmap[name]}
Depending on the shell, you may need to...
Difference between acceptance test and functional test?
...ess requirements?
For this type of testing we have test cases that cover all the possible scenarios we can think of, even if that scenario is unlikely to exist "in the real world". When doing this type of testing, we aim for maximum code coverage. We use any test environment we can grab at the tim...
What is the correct way to document a **kwargs parameter?
...ink subprocess-module's docs is a good example. Give an exhaustive list of all parameters for a top/parent class. Then just refer to that list for all other occurrences of **kwargs.
share
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improve ...
Redirect stderr and stdout in Bash
...
@Daniel, but this question is specifically about bash
– John La Rooy
Aug 19 '13 at 3:38
3
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Converting Mercurial folder to a Git repository
... naXanaXa
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Bash script processing limited number of commands in parallel
... the exit status of the last
command waited for. If a job spec is given, all processes in the job
are waited for. If no arguments are given, all currently active child
processes are waited for, and the return status is zero. If neither
jobspec nor pid specifies an active child process of the...
C++ Singleton design pattern
... design pattern that is lazy-evaluated, guaranteed-destruction, not-technically-thread-safe:
Can any one provide me a sample of Singleton in c++?
Here is an updated C++11 implementation of the Singleton design pattern that is lazy-evaluated, correctly-destroyed, and thread-safe.
class S
{
pu...
Warn user before leaving web page with unsaved changes
...firmationMessage; //Gecko + Webkit, Safari, Chrome etc.
});
};
Then calling the setter when submitting:
<form method="post" onsubmit="setFormSubmitting()">
<input type="submit" />
</form>
But read on...
Long, correct answer:
You also don't want to show this mess...
Creating a comma separated list from IList or IEnumerable
...;T> source)
{
return new List<T>(source).ToArray();
}
Then call it like this:
IEnumerable<string> strings = ...;
string[] array = Helpers.ToArray(strings);
You can then call string.Join. Of course, you don't have to use a helper method:
// C# 3 and .NET 3.5 way:
string joine...