Python Programming Tutorials

Python Programming Tutorials And Articles
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Command line arguments are quite old, in the days of DOS they were generally just options enabling/disabling mechanism and were known as switches. But, after the growth of *nix systems command line arguments have been developed and have provided a lot of features to power users. Here's an...
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CSV files are quite common these days owing to the fact that CSV files are simple text and make data transfer between different systems very easy. CSV stands for Comma Separated Values, i.e. the fields are separated by comma, so there exists similar formats where the separator is a different...
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Being in the era of instant updates & notifications one would at some point or the other would need to parse/format date & time, be it any language. Here, we'll see how we can parse & format date/time with Python. Python is natively equipped with the functions to make our job easier, the...
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Image manipulation is an interesting subject, as well almost inevitable in today's websites, you can use it to render CAPTCHA, crop & resize images, convert between image formats and many more advanced functions. Python with it's growing popularity has encouraged the community & enterprises to...
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Python being one of the most popular languages, it's being used increasingly used for creating dynamic websites or for specific parts of websites, like Google's support fully runs on Python scripts. But, for this type of usage the ability to access RDBMS is indispensable, although unlike PHP,...
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My cousin recently bought a Bomb Trap puzzle, he was crazy for solving that puzzle and tried a couple of times and often came to me for rechecking his solution, and me being lazy, I thought of making a simple python script to check his solutions and save me from the brain drain. The Code ...
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JSON has now become a extensively used data format, primarily used to exchange data between different systems, you may say that it is a successor of the XML format in this regard. From small to very large web applications use JSON, some still provide XML format as an option while others don't, a...
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At times it's possible to complete a batch job using parallel processing using fork instead of threads which needs much more careful planning. On the other hand fork is easy to implement, although it might not be as efficient and flexible as threads. Forking is an important part of *nix design,...
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CGI or Common Gateway Interface allow servers, primarily HTTP servers, to interface with external programs like Python, Perl, Ruby scripts or even binary programs written in C/C++. The most popular & most used web server - Apache - can easily be configured for CGI scripts. Let's look at...
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Secure hashes, message digests, or simply digest as they are popularly known are specific algorithms which take data of any type and any size and return a fixed bit length data that'll always be the same for the arbitrary data provided, in case the data is modified the hash will change vastly. ...
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Sun Rasterfile also known as Sunrast is an image format developed by Sun Microsystems, It uses a version of Run Length Encoding to compress images. In this tutorial we'll be discussing how Sun Rasterfile's implementation of RLE is different from the basic vanila version and how is it used to...
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