Archives de l’auteur : davidhxxx

Print all attributes of an object by reflection from pprint import pprint pprint(vars(my_object))

Slicing in python Goal A slicing selects a range of items in a sequence object (e.g., a string, tuple or list). General syntax a[start:stop] : from start through stop-1 a[start:] : from start through the end of the array a[:stop] … Continuer la lecture →

Dos tips List process and pid netstat -a -o -b | grep -i ‘4200’ Script tips To get the command used to call the batch file (could be foo, ..\foo, c:\bats\foo.bat, etc.) %0 To get the nth argument passed to … Continuer la lecture →

Purpose and overview The concurrent.futures module provides a high-level interface for asynchronously executing callables. The asynchronous execution can be performed with 2 flavors: – threads, using ThreadPoolExecutor – separate processes, using ProcessPoolExecutor. Both implement the same interface, which is defined … Continuer la lecture →

Purpose and overview This module constructs higher-level threading interfaces on top of the lower level _thread module. We have other alternatives to the threading module, but the module is still an appropriate model if you want to run multiple I/O-bound … Continuer la lecture →

win32 api with python pywin32 is currently the best way to manipulate windows API. It is maintained and the github source code is also public and available here : pywin32 github The imports used in this page are: import win32com.client … Continuer la lecture →

The semantic of the with statement The following code: with EXPRESSION as TARGET: SUITE is semantically equivalent to: manager = (EXPRESSION) enter = type(manager).__enter__ exit = type(manager).__exit__ value = enter(manager) hit_except = False   try: TARGET = value SUITE except: … Continuer la lecture →

Comprehension A concise way to create a new list or a new dictionary from an existing iterable or sequence. Syntax : It consists of brackets (for list comprehension) and of braces(for dict comprehension) containing an expression followed by a for … Continuer la lecture →

chapters transformation functions finding functions checking functions transformation functions transformations functions doesn’t modify the current string since strings are imitable.Instead of,they return a copy. remove leading and trailing whitespace:strip() remove leading whitespace:lstrip() remove trailing whitespace:rstrip() split a string into a … Continuer la lecture →