R handles JSON data effectively through packages designed for parsing and manipulating structured data. The most practical approach for fetching JSON from REST APIs is using the jsonlite package. Install and load jsonlite Install the package once: install.packages(“jsonlite”) Load it in your R session: library(jsonlite) Fetch JSON from a REST API Use fromJSON() to retrieve…
Excel files remain a common data format you’ll encounter. The readxl package handles both .xls and .xlsx formats efficiently without external dependencies, making it the standard choice for Excel import in R. Installation Install the package once per R environment: install.packages(“readxl”) Load it in your session or script: library(readxl) Basic Import The read_excel() function handles…
macOS provides built-in keyboard modifier remapping without third-party software. Open System Settings → Keyboard → Modifier Keys and you can reassign any modifier key globally or per-device. To map the right Option key to Control: Open System Settings Navigate to Keyboard → Modifier Keys Select your keyboard device (important if you use multiple keyboards) Set…