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How do cryptocurrencies actually work, though? Join Alice and Bob as they embark on designing a new digital ledger for secure “Bobcoin” transactions.
Meditation is easy when you know what to do: absolutely nothing! It's hard at first, like trying to look at the back of your own head, but there's a knack to it.
The secret of being a great coder is to write terrible code. Wait, wait. Hear me out: I’m going somewhere with this.
How do you design user-friendly APIs in Rust? The answer is simple: you use them! Let’s build a simple Rust CLI tool using what I call the “magic function” approach.
Tests are great, provided they actually test something. But are your tests too optimistic (assuming the code already works), or too persnickety (testing the irrelevant)?
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Multiple concurrent writers. Multiple processes. Same SQLite. No modifications.
New in the SumatraPDF pre-release builds: Bake PDF File New Bake PDF File command (CmdPdfBake) in the Ctrl + k command palette turns interactive form fields and annotations into static page content and saves the result as a new PDF, which then opens. Show PDF Outline New Show PDF Outline command (CmdShowPdfOutline) in the command palette shows the document’s outline (table of contents) as text in a window. Tab Groups menu Saving and restoring tab groups now has its own Tab Groups submenu (in the Favorites menu) with Save Tab Group and Restore Tab Group. Both are also in the tab right-click menu. There is also a window for managing saved groups (#4402). Screenshots include open menus Take Screenshot also captures open menus as separate windows you can pick. Menu bar improvements with tabs The custom menu bar shown when tabs are in the title bar works more like a normal menu bar, and toggling the menu bar is more reliable (#5442, #549). More: changes from April 4, 2026 and the full changelog.
Brilliant jerks, ZIRP-era managers, and how psychological safety lost the plot. Part 3 of my conversation with Dr. Cat Hicks.
Say you're deploying an AI assistant that processes online order returns. For it to work, it would need access to your store's purchase policy, item…
