Article
Repetitive tasks are ripe for automation. It is common for developers and system administrators to automate routine tasks like health checks and file backups with shell scripts. However, as those tasks become more complex, shell scripts may become harder to maintain. Fortunately, we can use Python instead of shell scripts...
Sajjad Heydari
Data can be represented in various forms - and a convinient way to represent dates and times are strings. However, to work with these dates and times in an arhithmetic fashion (such as calculating time differences, adding or removing time, etc.) - we need to convert them to a datetime...
N Kaushik
A common task in programming is opening a file and parsing its contents. What do you do when the file you are trying to process is quite large, like several GB of data or larger? The answer to this problem is to read in chunks of a file at a...
Adam McQuistan
Python comes with a variety of useful objects that can be used out of the box. Date objects are examples of such objects. Date types are difficult to manipulate from scratch, due to the complexity of dates and times. However, Python date objects make it extremely easy to convert dates...
Nicholas Samuel
In Python, strings are sequences of characters, which are effectively stored in memory as an object. Each object can be identified using the id() method, as you can see below. Python tries to re-use objects in memory that have the same value, which also makes comparing objects very fast in...
Frank Hofmann
With Python being a very popular programming language, as well as having support for most operating systems and many libraries that make command-line argument processing easy - it's become widely used to create command line tools for many purposes. These tools can range from simple CLI apps to those that...
Checking whether a string contains a substring aids to generalize conditionals and create more flexible code. Additionally, depending on your domain model - checking if a string contains a substring may also allow you to infer fields of an object, if a string encodes a field in itself. In this...
Jacob Stopak
In Python, functions are objects: they can be assigned to variables, can be returned from other functions, stored in lists or dicts and passed as parameters for other functions. Consider, for example, the map() built-in function. Its syntax is map(function, iterable) and it is used to handily apply function...
Felipe Antunes
Python's json library has many utilities for encoding and decoding data in JSON format. In particular, the json.load() method decodes an JSON read as a file, and the json.loads() decode an JSON read as a string. In general, when decoding JSON files, the data is converted to Python...
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