Pretty-printing JSON in a shell script involves using tools like jq or python to format the JSON data in a human-readable way. jq is a lightweight and flexible command-line JSON processor that is widely […]
Web Development
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How to set cellpadding and cellspacing in css
In CSS, the properties cellpadding and cellspacing that are used in HTML tables can be set using padding and border-spacing properties, respectively. The padding property is used to control the space inside the cells […]
Dependency Injection
Dependency Injection (DI) is a design pattern used in software development to achieve Inversion of Control (IoC) between classes and their dependencies. Instead of a class creating its dependencies internally, those dependencies are provided […]
Why char[] is preferred over string for passwords
Using a char[] (character array) instead of a String for passwords is often recommended in Java due to the way memory management works in the language. String objects are immutable, meaning once they are […]
How to copy files in python
Copying files in Python can be efficiently handled using the shutil module, which provides a range of high-level file operations. The shutil.copy() and shutil.copy2() functions are particularly useful for this purpose. The shutil.copy() function […]
How to post json data with curl
Using curl to post JSON data involves specifying the HTTP method and content type while including the JSON payload in the request. The -X option is used to specify the HTTP method (typically POST […]
JavaScript Sleep Function Optimization
In JavaScript, a common way to implement a sleep function is by using setTimeout or setInterval, but a more modern and cleaner approach involves using Promises with the async/await syntax. This approach allows you […]
__init__.py in a Python source directory
In Python, the __init__.py file is a critical component of a package, serving to mark a directory as a package directory. This file can be empty, but it often contains initialization code for the […]
How to stash one of multiple changed files on branch
In Git, stashing changes is a useful way to save modifications temporarily without committing them, allowing you to work on a clean slate or switch branches. When you have multiple changed files but want […]