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Does Python support multithreading? Can it speed up execution time?
...he GIL to allow multiple threads of C code and one Python thread to run across multiple cores. This extends to I/O controlled by the kernel, such as select() calls for socket reads and writes, making Python handle network events reasonably efficiently in a multi-threaded multi-core setup.
What many...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
... that do not have this parent page tables etc. copy problem are vfork and posix_spawn. But if you do not feel like rewriting chunks of subprocess.Popen in terms of vfork/posix_spawn, consider using suprocess.Popen only once, at the beginning of your script (when Python's memory footprint is minimal...
What is the best way to create constants in Objective-C
I am creating a Reddit client for learning purposes. I need to have a file with constants in it. I was thinking about importing the file in the Reddit-Prefix.pch file to make the constants available to all the files. Is it a good way of doing things? Also, I've done my research and found several...
Log exception with traceback
...ld go to the log file
ERROR:root:Got exception on main handler
Traceback (most recent call last):
File "/tmp/teste.py", line 9, in <module>
run_my_stuff()
NameError: name 'run_my_stuff' is not defined
share
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Make xargs execute the command once for each line of input
...ym for the -L option
from the man page:
-L max-lines
Use at most max-lines nonblank input lines per command line.
Trailing blanks cause an input line to be logically continued on
the next input line. Implies -x.
...
How can I restart a Java application?
...
Of course it is possible to restart a Java application.
The following method shows a way to restart a Java application:
public void restartApplication()
{
final String javaBin = System.getProperty("java.home") + File.separator + "bin" + F...
How to read the Stock CPU Usage data
...CPU usage, and the green bar underneath it shows the CPU time spent in compositing the screen. Note: You cannot turn this feature off once it is on, without restarting the emulator. developer.android.com/tools/debugging/debugging-devtools.html
– Rolf ツ
Sep 2...
What is the difference between pip and conda?
... install multiple versions of the same package side by side when using the OS package manager, not as a core feature. Conda manages environments, each with their own mix of installed packages at specific versions. So project A, having been developed some time ago, can still cling on to an older vers...
Use latest version of Internet Explorer in the webbrowser control
... 7. I have changed to 9 by the article Browser Emulation , but how is it possible to use the latest version of the installed Internet Explorer in a webbrowser control?
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...have installed Oracle 11g Express Edition Release 2 in my windows 7 64 bit OS and tried to execute JDBC program, then I got the following error:
...