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Performance of Java matrix math libraries? [closed]
...ults are as follows.
Using multithreaded ATLAS with C/C++, Octave, Python and R, the time taken was around 4 seconds.
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 aroun...
Why doesn't git recognize that my file has been changed, therefore git add not working
... trying to push my files to github using bash. They are already on there, and I am uploading a newer version with new lines and code, etc. But when I try git add and then git status it says:
...
Send data from activity to fragment in Android
...here I have some EditText . In activity I have a subclass with async-task and in method doInBackground I get some result, which I save to variable. How can I send this variable from subclass "my activity" to this fragment?
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How to change language settings in R
...env() function. My R session defaults to English, so I'll set it to French and then back again:
> Sys.setenv(LANG = "fr")
> 2 + x
Erreur : objet 'x' introuvable
> Sys.setenv(LANG = "en")
> 2 + x
Error: object 'x' not found
A list of the abbreviations can be found here.
Sys.getenv() g...
Default visibility for C# classes and members (fields, methods, etc.)?
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All of the information you are looking for can be found here and here (thanks Reed Copsey):
From the first link:
Classes and structs that are declared directly within a namespace (in other words, that are not nested within other classes or structs) can be either public or internal...
What is Type-safe?
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Type safety means that the compiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable.
Some simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method argume...
Format numbers in django templates
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@PawelRoman To avoid the loading of a bunch of filters and tags rarely used (and so make the template rendering faster)
– Maxime Lorant
May 18 '14 at 12:43
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How to profile methods in Scala?
What is a standard way of profiling Scala method calls?
12 Answers
12
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Becoming better at Vim [closed]
... a long time, but I'm at a level where I use insert mode most of the time, and I still use the arrow keys to move around(!).
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Why am I getting ibtool failed with exit code 255?
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I had something similar happen to me recently using Xcode 4.6 and iOS 6.1.
All I did was switch to a different device version (5.1) on the simulator and it ran. Switched back to 6.1 and it fixed itself.
Xcode can be unhelpful at times.
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