Onecore

Python Generators

mahesh — Sat, 21 Apr 2012 17:55:35 +0000

Python generators are simple way to create or generate iterators. They allow you to control flow and also increase the memory performance in some cases. Generators look like normal function but there is a difference in syntax and semantics between them and functions. You can think of generators as more comfortable way to generates iterators. [...]

Python Generators is a post from: Onecore

Python Lambda Functions

mahesh — Fri, 16 Mar 2012 17:02:36 +0000

Python supports manipulation of anonymous functions (i.e. lambda expressions). Lambda functions is a way to create functions without names. These functions are throwaway functions and are used where they are created. These anonymous functions are handy to use in a places where you can’t do function declaration. Lambda lets you define and use a function [...]

Python Lambda Functions is a post from: Onecore

Python – File I/O Handling

mahesh — Tue, 07 Feb 2012 03:12:19 +0000

Python like any other language allows file handling and I/O functions. There are many ways with which we can approach file handling and input output processing. In this tutorial we’ll see how to work with I/O functions of python. We’ll also take a look at the ways with which python allows us to handle files. [...]

Python – File I/O Handling is a post from: Onecore

Regular Expressions in Python

mahesh — Fri, 20 Jan 2012 15:29:07 +0000

A regular expression in python is a special module that helps filter sequence of strings, characters and symbols using specialized syntax written in a particular pattern. Like any other programming language, regular expression module ‘re’ in python allows you to process unlimited amount of strings that passes regular expression requirements. If you want to process [...]

Regular Expressions in Python is a post from: Onecore

Python Date and Time

mahesh — Wed, 04 Jan 2012 19:34:30 +0000

Python can handle date and time on your system in multiple ways. Depending on your operating system the method to access the system time and date will vary. Code in this tutorial is tested on ubuntu linux and windows operating system. At the end of the tutorial you’ll learn how to manipulate the dates and [...]

Python Date and Time is a post from: Onecore

Python Tuples

mahesh — Wed, 28 Dec 2011 06:38:24 +0000

A tuple in python is a sequence of immutable objects. If you know how list works then you can easily understand how tuples in python work. They’re just like lists but they can’t be changed. What are Tuples ? Tuples are immutable objects (you can’t change it like lists) Python Tuple make use of parentheses. [...]

Python Tuples is a post from: Onecore

Python Lists

mahesh — Thu, 08 Dec 2011 21:32:50 +0000

The list in python is the most versatile type that contains group of comma-separated items in a square bracket. Each value in a python list is identified by an index. Lists are much more flexible than arrays as they allow us to hold items of different types. Lists also have an advantage of growing as [...]

Python Lists is a post from: Onecore

Python Dictionaries

mahesh — Sat, 03 Dec 2011 14:56:17 +0000

In python when you work with string, lists and tuples then you’re using integers as indices. You’re not allowed to use any other data type for indices and using it in a program will give you an error. If you want to use any other type than integer your only option is to use dictionaries. [...]

Python Dictionaries is a post from: Onecore

How to Use SQLite with Python

mahesh — Sat, 12 Nov 2011 15:41:28 +0000

This tutorial is for those who want to learn how to use sqlite with python programming language. Depending on your operating system, you need to have python setup on your computer. I assume you have working python instillation on your operating system. If not then head over to python.org and download the python distribution respective [...]

How to Use SQLite with Python is a post from: Onecore

How to Install Python Modules with easy_install on Windows

mahesh — Sat, 08 Oct 2011 22:26:08 +0000

Many python frameworks and modules have dependencies and require installation in their respective folders in order to work. If you’re using any python module then you’ll find it confusing to install it under python’s working directory in windows. This is where easy_install is going to make things easy for you. It installs python modules and [...]

How to Install Python Modules with easy_install on Windows is a post from: Onecore