Summarizes convenient online code execution environments by language (Python, JavaScript, C++, etc.) that let you easily start programming without needing to set up an environment. Details the features of platforms like Google Colab and AWS Cloud9.
Clearly explains the mechanism and specific steps of the 'Sieve of Eratosthenes', an algorithm for finding prime numbers efficiently. Also introduces an implementation example in Rust to enumerate primes up to 1000.
A detailed explanation of the steps to install CocoaPods using the terminal in a Mac environment. Also introduces error resolution methods when executing 'sudo gem install cocoapods' and installation commands using Homebrew.
Explains the specific method and query syntax to aggregate and retrieve daily record creation counts for Accounts and other objects using SOQL from the Salesforce Developer Console. You will understand the procedure for convenient data analysis using the GROUP BY clause.
Explains the steps for beginners to easily draw and display sine and cosine wave graphs using Python's matplotlib.pyplot library with Google Colaboratory. You can try it immediately without any environment setup.
Explains the steps to execute automated tweets in Python (tweepy) using the Twitter API and Google Colaboratory. From setting API keys to the actual code, you can try it right away with copy and paste.
Explains how to build the 'OpenSSL' cryptographic communication library for C in a Windows environment. Details everything from preparing necessary tools like Perl, NASM, and Visual Studio 2022 to the actual source code build process.
We clearly explain the meaning and origin of 'i18n (Internationalization)', which is often heard in software development. We have summarized the main items to consider when making apps or systems globally compatible, such as character codes, date/time notation, and currency information.
We explain the installation and basic usage of 'reveal.js', a tool that allows you to intuitively create presentations using HTML and Markdown. We introduce ways to utilize it that support animations and PDF output, and have excellent compatibility with version control like Git.
Why not create illustrations to your liking using the AI 'Stable Diffusion', which can generate high-quality images from text input? We provide an easy-to-understand explanation of the steps for anyone to easily start AI image generation using only Google Colab and a free account.
We introduce recommended tools that can analyze and extract the contents of Windows executable files (exe). We explain in an easy-to-understand way how to check PE format structures, extract resources, and edit binaries using tools like 7-Zip and Resource Hacker.
We clearly explain the installation procedure and setting method for a convenient third-party app that realizes application switching like 'Alt+Tab' on Windows, which is difficult with Mac's standard features.
We introduce the procedure to change modifier keys from System Preferences to match copy & paste shortcut keys to Windows style (Ctrl key based), which is convenient when using Mac and Windows together.
Explains how to change the Japanese and English input switching shortcut on Mac (US keyboard) to your preferred key combination like 'Alt + `'. Also introduces the setup procedure in macOS Ventura and settings to prevent katakana from being included when switching.
Explains how to easily find the save location (full path) of an executable file using the Windows Command Prompt or PowerShell. Introduces a handy trick to quickly identify the exact location of an app in your path using the 'where' command.
To build a comfortable iOS app development environment at home, I purchased an older model Mac mini (2018) on Mercari. I will introduce the reasons that led to the purchase, detailed specs, and the first steps of environment setup.
Introducing 'Unsplash', the perfect free photo stock site for blog articles. It's a highly convenient and high-quality image service that is free, allows commercial use and modifications, and requires no credit attribution or usage permission.
We explain the implementation method for correctly displaying Japanese in 'egui', a lightweight GUI library for Rust. We introduce specific code samples for loading the Windows Meiryo font and applying it to an application.
We explain the steps to introduce 'KaTeX', a fast formula rendering library, into the static site generator Hugo. You can easily understand how to enable beautiful LaTeX-style formula display on your blog, from creating math.html to loading settings in the header.
Carefully selects and introduces masterpieces and recommended business books useful for self-development and skill improvement that every business person should read at least once, such as 'How to Win Friends and Influence People', 'The Courage to Be Disliked', 'LIFE SHIFT', and 'The 7 Habits of Highly Effective People'.
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