Programing

In the 21st century, being able to use a computer doesn’t just mean you can browse the internet or write documents; it means you can command the computer, reduce repetitive tasks, and enhance productivity—in other words, it means knowing how to program. However, as this is not a blog for developers at the Shrimp Sushi Restaurant, it focuses on simple tips rather than detailed theories.

theory

• Types in Programming
• First-class Objects in Programming
• Meta Programming
• Programming Paradigms
• Reasons for using d and f in Integer and Floating-point Format Codes
• Row-major and Column-major in 2D Arrays
• Higher-order Functions
• Map and Reduce

cheatsheet

• RGB Color Cheat Sheet
• CSS Color Names
• Equivalent Codes in Julia, MATLAB, Python, R

python

• Web Document Crawling and Tag Removal
• Reading Large csv Files at Once
• Row and Column Merging with numpy Array
• Swapping Two Variables
• Difference between is and ==
• Three Ways to Pause a Program: input(), time.sleep(), os.system("pause")
• Comprehensive Guide to the os Module
• Comprehensive Guide to the shutil Module
• Things to Watch Out for When Slicing
• Writing Multiple for-loops in One Line with itertools.product()
• Solutions When npy Files Won’t Open
• Getting Column and Row Names in pandas Data Frames with .columns, .index
• Indexing Arrays with Tuples
• Converting Strings like "False", "no" to Boolean False with distutils.util.strtobool()
• Clearing Previous Output and Displaying New Progress
• Python Library for Convenient Dictionary Use: easydict
• Passing Input Arguments When Executing Python Files
  • Library for Parsing Command-line Input Arguments: argparse
• Getting PC Name with os.getlogin()
• Checking the Operating System with platform.system()

matplotlib

• Solving the Error: Fail to create pixmap with TK_GetPixmap in …
• Setting the Scale Range for Figures with plt.clim(a,b)
• Drawing Vertical and Horizontal Lines with plt.axvline(), plt.axhline()
• Removing Axes with plt.axis('off'), plt.gca().axes.xaxis.set_visible(False)
• Drawing Subplots with plt.subplot
• Drawing Subplots in Complex Layouts with gridspec
• Drawing Overlapping Subplots or Subplots at Arbitrary Locations with fig.add_axes
• Drawing Box Plots with plt.boxplot

pip

• Installing cv2 PIL Packages with pip
• Checking Package, Library, Module Versions with pip3 freeze

OS

• Uploading and Downloading Files to/from a Server with scp
• 🔒(24/03/09) Accessing SSH Servers via CLI
• Checking Text File Encoding in Terminal

window

• Setting up an ssh Server
• Getting File List from Command Prompt
• Installing Python TensorFlow
• Installing Python TensorFlow GPU
• Initial Setup for Windows 11
• 🔒(24/03/23) System Restore with rstrui

linux

In fact, for compiled languages, Linux is often more convenient than Windows.

• Executing a.out after Compiling with Fortran
• Compiling C Code with gcc Compiler
• Resetting Swap Memory

Frontend

Javascript

• 🔒(24/09/17) Example of Changing Output with a Button
• 🔒(24/09/19) Using Functions Outside a Module with window.f = _f

Program

Many people, upon first getting into coding, want to solve problems on their own with boundless confidence. However, a true expert knows when programming is needed and when it’s not. Knowing a few tips about some popular commercial programs can significantly improve work efficiency.

• How to Change the Default Save Location for Excel, PowerPoint, and Word

git

• Saving Passwords
• Solving warning: LF will be replaced by LF in …

VS Code

Visual Studio Code is a text editor developed by Microsoft, and is currently the most widely used development environment.

• Changing the Default Terminal with Ctrl+Shif+C
• 🔒(24/09/05) Default Snippet Path
• 🔒(24/09/09) Using Multiple Windows
• 🔒(24/09/13) Changing Auto-wrap Settings with Alt + z