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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...er. On most modern 32-bit Windows systems the maximum heap size will range from 1.4G to 1.6G. On 32-bit Solaris kernels the address space is limited to 2G. On 64-bit operating systems running the 32-bit VM, the max heap size can be higher, approaching 4G on many Solaris systems.
(http://www.oracle....
Setting the correct encoding when piping stdout in Python
...ion is to change sys.stdout at the start of your program, to encode with a selected encoding. Here is one solution I found on Python: How is sys.stdout.encoding chosen?, in particular a comment by "toka":
import sys
import codecs
sys.stdout = codecs.getwriter('utf8')(sys.stdout)
...
Python recursive folder read
...orking with files. You can do a recursive glob on a Path object like so.
from pathlib import Path
for elem in Path('/path/to/my/files').rglob('*.*'):
print(elem)
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Open document with default OS application in Python, both in Windows and Mac OS
...er things for Mac OS/X and Windows respectively, to do this.
To call them from Python, you can either use subprocess module or os.system().
Here are considerations on which package to use:
You can call them via os.system, which works, but...
Escaping: os.system only works with filenames that d...
Build the full path filename in Python
I need to pass a file path name to a module. How do I build the file path from a directory name, base filename, and a file format string?
...
How to get file creation & modification date/times in Python?
...nel offers no way of accessing them; in particular, the structs it returns from stat() calls in C, as of the latest kernel version, don't contain any creation date fields. You can also see that the identifier st_crtime doesn't currently feature anywhere in the Python source. At least if you're on ex...
Python: How to get stdout after running os.system? [duplicate]
...n the Windows solution. Using IDLE with Python 2.7.5, When I run this code from file Expts.py:
import subprocess
r = subprocess.check_output('cmd.exe dir',shell=False)
print r
...in the Python Shell, I ONLY get the output corresponding to "cmd.exe"; the "dir" part is ignored. HOWEVER, when I add...
Get Android Device Name [duplicate]
...eliable to use android.os.Build.MODEL and assume all mobile devices / tabs from all manufacturers will display the same info. You need to create your own list if you want to match device model to device name.
– ChuongPham
Apr 7 '13 at 4:09
...
Check to see if python script is running
... can write a simple shell script to check it for you using the return code from ps.
ps up `cat /tmp/mydaemon.pid ` >/dev/null && echo "Running" || echo "Not running"
For extra credit, you can use the atexit module to ensure that your program cleans up its pidfile under any circumstance...
How to rename a file using Python
...tension'
So, you can take your path and create a Path object out of it:
from pathlib import Path
p = Path(some_path)
Just to provide some information around this object we have now, we can extract things out of it. For example, if for whatever reason we want to rename the file by modifying the ...