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AI-Native Start: Installing Claude Code and Testing It on a Local Excel File I used to think the Claude app was just for chatting. But the Code mode in the Claude Desktop app lets you point it at a folder on your own computer so it can read files there, and even edit them within the permissions you grant. This post records the whole path, from installing the app to a simple test: finding one number in a local Excel file. ✅ Result firstIt found 1 cell containing the numbe.. 2026. 10. 27.
Getting Started with Claude Code in VS Code (From Installing the Extension to Your First Request) Claude Code is best known as a terminal tool, but you can also use it right inside Visual Studio Code (VS Code), the editor many of us keep open all day. Install the official extension and a Claude Code panel opens next to your editor, so you can watch it read and change files in your open folder. This post walks through the setup with real screenshots: installing the extension, opening the Clau.. 2026. 10. 27.
How to Highlight Duplicates in Google Sheets (Conditional Formatting + COUNTIF) A name that appears twice in a guest list or order sheet throws off every total. With ten rows you can spot it by eye, but with a few hundred it's easy to miss. In Google Sheets you can combine conditional formatting with a single COUNTIF formula to color only the duplicate values. It updates automatically as you type new entries. 1. Select the range → Format → Conditional formattingSelect the r.. 2026. 10. 25.
How to Create a Dropdown List in Google Sheets (With Colors, Editing and Removing) When several people track work in a Google Sheet, the same status ends up typed a dozen ways: "Done", "done", "Finished", "Complete". Filters and counts stop working. A dropdown fixes that. Everyone picks from the same list with one click, and each option can have its own color, so you can read the status of the whole sheet at a glance. 1. Select the range → Insert → DropdownFirst select the cel.. 2026. 10. 25.
CSS Grid repeat(auto-fill, minmax(240px, 1fr)) Explained: Responsive Cards Without Media Queries When you build a list of cards, you often want 4 columns on a wide screen, 2 on a narrow one, and 1 on a phone. The usual approach is a stack of media queries, but with CSS Grid it takes just four lines. .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px;} To show how this works, I built an example page, captured it at different sizes, and compared .. 2026. 10. 22.
Knowledge Distillation Explained: Logits, Softmax Temperature, and Why the Loss Is Multiplied by T² (Hinton 2015) Knowledge distillation is a way to transfer what a large model (the teacher) has learned into a smaller model (the student). The method proposed in the 2015 paper "Distilling the Knowledge in a Neural Network" by Hinton, Vinyals, and Dean is still the most basic form of it. This post walks through the three core ideas of that paper for a classifier whose output layer is a softmax, using equation.. 2026. 10. 17.
How to Copy Terminal Output to Clipboard: PowerShell Set-Clipboard, cmd clip, Mac pbcopy, Linux xclip (Copy SSH Key) When you add an SSH key to GitHub, or need to paste a long path or command output somewhere else, selecting terminal text with the mouse is easy to get wrong. One missing character or a stray line break and the key no longer works. Every operating system has a command that sends output straight to the clipboard. Add one word after your command, then paste with Ctrl+V. No right-click, no dragging.. 2026. 10. 16.
How to Delete Your GitHub Account (Step-by-Step with Screenshots) Have an old GitHub account you no longer use, or a test account you want to clean up? Deleting it takes about two minutes, but the option is tucked away at the very bottom of the settings page. Here is the whole process with screenshots. ⏱ Quick summary1. Click your profile picture (top right) → 2. Settings → 3. Account → 4. Scroll down and click Delete your account → 5. Type delete my account a.. 2026. 10. 16.
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