Python Data Persistence – Create Keyspace As mentioned above. Cassandra Query Language (CQL) is the primary tool for communication with the Cassandra database. Its syntax is strikingly similar to...

Python Data Persistence – Inserting Rows The next step is to insert rows in the tables we have just created. We know the syntax of the INSERT statement and we have used it in console mode of sQLite...

Python Data Persistence – plistlib Module Lastly, we have a look at plist module that used to read and write ‘property list’ files (they usually have .plist’ extension). This type of file is mainly...

Python Data Persistence – pickle Module The serialization format used by the pickle module, which is a part of Python’s built-in module library, is very Python-specific. While this fact can work as...

Python Data Persistence – Exceptions Even an experienced programmer’s code does contain errors. If errors pertain to violation of language syntax, more often than not, they are detected by the...

Python Data Persistence – Opening File The open ( ) function takes a string corresponding to the disk file’s name along with its path as an argument. The second argument indicates the mode in which...

Python Data Persistence – Inheritance Of all features of object-oriented programming methodology, inheritance is arguably the most important, and hence the most used feature in software development....

Python Data Persistence – class Keyword Apart from various built-in classes, the user can define a new class with customized attributes and methods. Just as a built-in class, each user-defined class...

Python Data Persistence – Keyword Arguments We now know that the values passed to a function are read as per the order in which parameters are defined. However, if you do want to pass values out of...

Python Data Persistence – Structured Python The previous two chapters explained some basic features of Python, which will empower you to develop a programming solution for just about any algorithm....

Python Data Persistence – Using range Python’s built-in range ( ) function returns an immutable sequence of numbers that can be iterated over by for loop. The sequence generated by the range ( )...

Python Data Persistence – for Keyword Like many other languages, Python also provides for keywords to construct a loop. However, Python’s for loop is a little different from others. Instead of a...

Python Data Persistence – Installation Python’s official website hosts the official distribution of Python at https:// www.python.org/downloads/. Precompiled installers, as well as source code...

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