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What is the relation between BLAS, LAPACK and ATLAS
...tor by a scalar”, “multiply two matrices and add to a third matrix”, etc ...).
LAPACK is a collection of higher-level linear algebra operations. Things like matrix factorizations (LU, LLt, QR, SVD, Schur, etc) that are used to do things like “find the eigenvalues of a matrix”, or “find...
Adding git branch on the Bash command prompt
...bash-completion
2- Edit your .bashrc file and check (or add) :
if [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
3- ... before your prompt line : export PS1='$(__git_ps1) \w\$ '
(__git_ps1 will show your git branch)
4- do source .bashrc
EDIT :
Further readings : Don’t Re...
Why is “if not someobj:” better than “if someobj == None:” in Python?
... does not explain that tuples, lists, dicts, strs, unicodes, ints, floats, etc. have a nonzero. It is much more common to rely on the truth value of built-in type than to rely on a custom nonzero method.
– ddaa
Sep 19 '08 at 11:32
...
How do I get the directory that a program is running from?
...uld be considered subject to change from version to version, arch to arch, etc.
– asveikau
Jan 28 '10 at 0:29
4
...
Crontab Day of the Week syntax
...s possible to replace numbers by shortened name of days, such as MON, THU, etc:
0 - Sun Sunday
1 - Mon Monday
2 - Tue Tuesday
3 - Wed Wednesday
4 - Thu Thursday
5 - Fri Friday
6 - Sat Saturday
7 - Sun Sunday
Graphically:
┌────────── ...
When should you not use virtual destructors?
...e ability for a class to perform cleanup (e.g. delete memory, close files, etc...) AND also ensures the constructors of all its members gets called.
– user48956
May 12 '11 at 0:14
...
Anatomy of a “Memory Leak”
...r using a finally block or the using statement these include brushes, pens etc.(some people argue to set everything to nothing in addition)
b)Anything that has a close method is closed again using finally or the using statement (although I have found using does not always close depending if you de...
Difference between ApiController and Controller in ASP.NET MVC
...f could be implemented as an MVC application, making use of the WebAPI to fetch meta-data etc.
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Map enum in JPA with fixed values?
... use a provider extension (with Hibernate UserType, EclipseLink Converter, etc). (the second solution). ~or~
You'll have to use the @PrePersist and @PostLoad trick (the first solution). ~or~
Annotate getter and setter taking and returning the int value ~or~
Use an integer attribute at the entity lev...
What is the point of noreturn?
... to the caller -- for example because you call exit(), abort(), assert(0), etc.
– RavuAlHemio
Nov 11 '14 at 19:56
7
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