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How do I check the operating system in Python?
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You can use sys.platform:
from sys import platform
if platform == "linux" or platform == "linux2":
# linux
elif platform == "darwin":
# OS X
elif platform == "win32":
# Windows...
sys.platform has finer granularity than sys.name.
For the valid values, consult the documentation...
Stopping python using ctrl+c
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On Linux you should use Ctrl-Shift-\
– Michał Zieliński
Aug 17 '13 at 14:04
12
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Benchmarking (python vs. c++ using BLAS) and (numpy)
...Benchmark suite which can be found here.
Here are my results:
Machines
Linux (MKL, ATLAS, No-MKL, GotoBlas2):
OS: Ubuntu Lucid 10.4 64 Bit.
CPU: 2 x 4 Intel(R) Xeon(R) E5504 @ 2.00GHz (8 Cores)
RAM: 24 GB
Intel Compiler: 11.1/073
Scipy: 0.8
Numpy: 1.5
Mac Book Pro (Accelerate Framework):
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JavaFX and OpenJDK
...hich has JavaFX integrated these days. However, some are using OpenJDK (on linux). This (old) question suggests that OpenJDK deals very badly with JavaFX. According to this question, the alternative OpenJFX will only be fully integrated into OpenJDK in version 9. So my question is twofold:
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...m typing a shell script to find out the total physical memory in some RHEL linux boxes.
13 Answers
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Increasing the maximum number of TCP/IP connections in Linux
...anner for large periods of "activity."
Default Sysctl values on a typical Linux box for tcp_tw_recycle & tcp_tw_reuse would be
net.ipv4.tcp_tw_recycle=0
net.ipv4.tcp_tw_reuse=0
These do not allow a connection from a "used" socket (in wait state) and force the sockets to last the complete tim...
How to copy to clipboard in Vim?
...o I use * because it functions as I expect it to in both environments.
In Linux distros you have to install vim-gtk (aka gvim) first to gain clipboard functionality. This is because non-gtk vim is typically compiled without X11 support. This is to allow it to run on console only machines (often ser...
How to set the environmental variable LD_LIBRARY_PATH in linux
...s all the libraries that you wish to add to the system, for example
/home/linux/myLocalLibs
remember to add only the path to the dir, not the full path for the file, all the libs inside that path will be automatically indexed.
Save and run sudo ldconfig to update the system with this libs.
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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
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By default, top on Linux runs in so-called IRIX mode, while the Windows Task Manager does not. Let's say you have 4 cores:
With IRIX mode on, 1 fully utilized core is 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilized core is 25...
How can I make a Python script standalone executable to run without ANY dependency?
...r key .py files in .pyc, C compiled files, like .dll in Windows and .so on Linux.
It is much harder to revert than common .pyo and .pyc files (and also gain in performance!).
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