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A Python exception is a construct used to signal an important event, usually an error, that occurs when executing a program. An exception may cause the program to stop if it is not properly "caught" (i.e. handled correctly). If you think that your program might raise an...
Guest Contributor
Downloading files from different online resources is one of the most important and common programming tasks to perform on the web. The importance of file downloading can be highlighted by the fact that a huge number of successful applications allow users to download files. Here are just a few web...
Scott Robinson
This article is an extension to a previous article titled, Recursive Model Relationships in Django, which demonstrated a way to utilize the bare-bones Django capabilities to define database-backed Classes that model a common use-case for a recursive relationship. The use case I intend to satisfy is the common relationship between...
Adam McQuistan
Lists are one of the most useful data structures available in Python, or really any programming language, since they're used in so many different algorithms and solutions. Once we have created a list, often times we may need to add new elements to it, whether it be at the end,...
Python is one of the most widely used languages out there. Be it web development, machine learning, AI, or even micro-controller programming, Python has found its place just about everywhere. This article provides a brief introduction to Python for beginners to the language. The article is aimed at absolute beginners...
A circular dependency occurs when two or more modules depend on each other. This is due to the fact that each module is defined in terms of the other (See Figure 1). For example: functionA(): functionB() And functionB(): functionA() The code above depicts a fairly obvious circular dependency. functionA() calls...
Training a deep neural network model could take quite some time, depending on the complexity of your model, the amount of data you have, the hardware you're running your models on, etc. On most of the occasions you'll need to save your progress to a file, so in case of...
Mihajlo Pavloski
I prefer to work with Python because it is a very flexible programming language, and allows me to interact with the operating system easily. This also includes file system functions. To simply list files in a directory the modules os, subprocess, fnmatch, and pathlib come into play. The following solutions...
Frank Hofmann
This topic is essential knowledge for every user of UNIX, Linux, Solaris, OS X, and BSD. Furthermore, the LPI certification contains tricky questions about this. If you want to find files with a certain filename using the command line then use either the find or the locate commands. But if...
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