Let’s enjoy the elegance of Python — Python is an elegant language if you can use it in a Pythonic way. But no matter how senior you are, it needs some time to really write code Pythonicly. This article is to show you 11 Pythonic tricks to let your Python skills enter into a new realm. Talk…

Manage your Python packages like a guru — Nowadays, building commercial software needs to use many existing frameworks, packages or modules. Therefore, an elegant programming language should have an easy-to-use package management tool. Java has Maven, Ruby has RubyGems, JavaScript has npm, …, how about Python? 🤔 Python has pip. It’s elegant and Pythonic. 😎 This article will…

Handling dictionaries in a Pythonic way — All Python developers need to operate dictionaries, almost on daily basis. Beginners may dislike this part, cause they usually have to write a long function to do a simple job. I saw my girlfriend, who started learning Python last month, write nested for loops to merge two dictionaries. What I…

One-liners can be practical and readable as well — The majority of Python one-liners are just for fun. They should not be used for commercial software. Due to its poor readability. Not to mention some “one-liners” are fake. …

A bash utility tool that can give you much convenience — “Write programs that do one thing and do it well.” This is the famous Unix philosophy. There are many commonly-used Linux utilities following it, but the most typical example is the cat command. The cat command literally just does one thing — print the content of a file onto the…

Using Let’s Encrypt on Nginx servers — Nowadays, almost every website is HTTPS-enabled. You inevitably need to give your website an SSL certificate after all the development and deployment. Thanks to “Let’s Encrypt”, you don’t need to pay anything to make your website HTTPS-enabled. And its official tutorial is very user-friendly to help you set up. However…

Using built-in doubly-linked lists to implement stacks and queues — Stacks and queues are significant data structures used in many programming scenarios. Of course, it needs some time to master them. But the good news is, in Python, you don’t need to implement them by yourself. There is a built-in object called deque, which is implemented as a doubly-linked list…

See the big picture and find your favourite one — Python is a rapidly evolving language. In the old days (Python 2.x), its string formatting syntax brought the idea from the C language. You have to use the “%” operator, whose syntax is not elegant enough and may cause ugly code, for string formatting. Since Python 3.x, a new built-in…

Get parts of a line through cut commands — The cut command, as its name implies, is to cut specific parts of each line of input files and print the results to the standard output. There are many complex text manipulation tools in Linux, such as awk, grep and sed. But cut is a lightweight utility to help you…