Functional programming concepts, immutability, pure functions, and functional languages. Explore Programming Academy.
If you’re a macOS user switching to Windows, the keyboard layout feels wrong immediately. The Command key is gone, and you have to relearn muscle memory for every shortcut. The Windows equivalent of Command is Ctrl, but on a standard Windows keyboard, Alt sits in the Command position—making the muscle memory fight even harder. The…
Evolution stores sort preferences individually per folder by default. If you want emails consistently sorted across your entire mailbox, you need to set a global default. Steps Open Evolution and navigate to Edit → Preferences Go to Mail Preferences → General Locate the Default Sorting section Choose your preferred Sort by option (Date Received, Subject,…
Backing up a complete IMAP account with thousands of messages across nested folders requires automation to preserve folder structure and avoid manual errors. This guide covers three modern tools and provides detailed setup for the most flexible option. Choosing your backup tool offlineimap — Most flexible for complex folder structures and label handling. Active maintenance…
When you mmap() a range larger than your system’s total physical memory plus swap, the kernel normally reserves swap space to back the mapping. If that reservation would exceed available swap, mmap() fails with ENOMEM. The MAP_NORESERVE flag lets you bypass this reservation requirement. Understanding the Default Behavior By default, when you call mmap() with…