From Java to Python

Python: equivalent to Java toString()

In Java, overrides toString() method in the your class can change the textual representation of the object. The equivalent in Python is __st...
join binary strings in Python

b''.join(['abc', '\x01\x02\x03', 'efg']) Execute it in python cli: >>> b''.join([...
Python: get the index of a char in a string

find and index method are available. The difference is that find returns -1 when what you're looking for isn't found, index throws...
Python: iterate over dictionary

for name in dict.keys(): print(name) print(dict[name]) values = [ dict[name] for name in dict.keys() ]
Python: class method vs static method

class A: def object_m(self,x): print "executing object_m(%s,%s)"%(self,x) @classmethod def class_m(cls,x): ...
Python: check if a list is empty

if not a: print('empty')
Python: current time in milliseconds

import time ms = int(round(time.time() * 1000)) print(ms)
Python: Code completion in pydev

Code Completion Type hinting with docstrings/comments New on PyDev 2.8.0 It's possible to provide hints for code-completion wi...
Python: string equals ignore case

def equals_ignore_case(s1, s2): if s1 is None and s2 is None: return True if s1 is None and s2 is not None: return ...
Python: generates crc32 and adler32 checksum for big files

import zlib import sys import urllib2 def __zlib_csum(url, func): if isinstance(url, basestring if sys.version_info[0] < 3 else str...

Powered by Blogger.