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Batch Renaming of Files in a Directory
...his:
rename(r'c:\temp\xx', r'*.doc', r'new(%s)')
The above example will convert all *.doc files in c:\temp\xx dir to new(%s).doc, where %s is the previous base name of the file (without extension).
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In Python, how do I read the exif data for an image?
... return data[key]
return None
@staticmethod
def convert_to_degress(value):
"""Helper function to convert the GPS coordinates
stored in the EXIF to degress in float format"""
d0 = value[0][0]
d1 = value[0][1]
d = float(d0) / float(d1)...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...class/tty (as by default udev creates the /dev/DEVNAME node). What you are interested about is any "symbolic" link in /dev that points to such device. This is much much harder to find.
– xryl669
May 31 '16 at 16:41
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What is the maximum recursion depth in Python, and how to increase it?
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as a tactic to convert it to an iterative version, a tail call optimization decorator could be used
– jfs
Oct 14 '14 at 18:28
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Can I redirect the stdout in python into some sort of string buffer?
...but some of the functions in the package don't return string output, but print to stdout . I want to redirect stdout to an object which I'll be able to read the output from.
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UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
... to output non-specified data. So any data, input, texts must be correctly convertable into unicode:
# -*- coding: utf-8 -*-
import sys
import codecs
sys.stdout = codecs.getwriter("iso-8859-1")(sys.stdout, 'xmlcharrefreplace')
print u"Stöcker" # works
print "Stöcker".decode("utf-8"...
How to get current CPU and RAM usage in Python?
...ent()
# gives an object with many fields
psutil.virtual_memory()
# you can convert that object to a dictionary
dict(psutil.virtual_memory()._asdict())
# you can have the percentage of used RAM
psutil.virtual_memory().percent
79.2
# you can calculate percentage of available memory
psutil.virtual_mem...
How to use the C socket API in C++ on z/OS
...T
X/Open
#define _XOPEN_SOURCE_EXTENDED 1
#include <sys/socket.h>
int connect(int socket, const struct sockaddr *address, socklen_t address_len);
Berkeley Sockets
#define _OE_SOCKETS
#include <sys/types.h>
#include <sys/socket.h>
int connect(int socket, struct sockaddr *addr...
Is there a ceiling equivalent of // operator in Python?
...thon you're limited to 30 * (2**63 - 1) bit numbers), and even temporarily converting to float can lose information. Compare math.ceil((1 << 128) / 10) to -(-(1 << 128) // 10).
– ShadowRanger
Jan 3 at 14:36
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How do you check what version of SQL Server for a database using TSQL?
...me, @ProductLevel sysname, @Edition sysname;
SELECT @ProductVersion = CONVERT(sysname, SERVERPROPERTY('ProductVersion')),
@ProductLevel = CONVERT(sysname, SERVERPROPERTY('ProductLevel')),
@Edition = CONVERT(sysname, SERVERPROPERTY ('Edition'));
--see: http://support2....