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Three Small Shell Scripts That Make HackerRank/DevSkiller C++ Take-Homes Way Less Painful

If you've ever done a timed C++ coding assessment on a platform like HackerRank or DevSkiller, you know the friction isn't really the algorithm — it's the loop . Download a zip with a weird filename, unzip it, hunt for the project root, configure CMake, build, run GTest, fix one failing test, repeat... and somewhere in there you've burned ten minutes of your one-hour window just fighting the harness instead of writing code. These platforms' in-browser editors are fine for quick problems, but for anything involving multiple files (headers, sources, a real test suite), I'd rather work in my own terminal and editor. The catch is that you still have to get the project out of the browser sandbox, build it locally with the exact same toolchain (CMake + GTest), and then package it back up in a way the grader will accept. So I wrote three small bash scripts to remove that friction entirely. Sharing them here in case they save someone else the same ten minutes. The workflow Download the project archive from the platform (zip or tar.gz, filename is whatever the platform gives you — often randomized) Extract it — script 1 handles this regardless of filename or archive type Iterate — script 2 configures CMake once, then repeatedly builds and runs GTest, optionally watching for file changes Package — script 3 strips build artifacts and any local helper scripts, then zips it back up under a name that won't collide with the original download, ready to re-upload Script 1: extract_and_setup.sh Most of these platforms hand you an archive with an unpredictable filename. This script extracts whatever you point it at ( .tar , .tgz , .tar.gz , or .zip ), figures out which directory it unpacked to by diffing the folder listing before and after, and drops the build script into it automatically. #!/usr/bin/env bash # extract_and_setup.sh # Extracts $fname (tar, tgz, tar.gz, or zip) into the CURRENT folder, # then copies run_build.sh into the directory that was created. # # Usage: # ./extrac

2026-07-01 原文 →
AI 资讯

Upsun Dispatch™ is now open for prerelease 🎉

Last week we introduced Upsun Dispatch™: a platform for the agentic software development lifecycle, where workflow is the primitive , not the agent. Today, prerelease is open. Starting July 1, a founding cohort of design partners gets early access. This is not a traditional beta. We are looking for engineering teams already running AI workflows and hitting the limits of what individual tools can do: teams who want to help shape what Upsun Dispatch becomes, not just use what we ship. Design partners get direct access to the core team, real input on the roadmap, and charter terms that reflect a genuine partnership rather than a vendor relationship. Apply at upsun.com/dispatch . Read the full announcement: Upsun Dispatch™ is now open for prerelease Starting July 1, 2026, Upsun Dispatch™ is open to a founding cohort of design partners. Here is what joining early means and how to apply upsun.com

2026-06-30 原文 →
AI 资讯

I spent a week trying to make AI-assisted development less chaotic.

Hi, I’m David. I’m close enough to middle age that I have no interest in pretending I discovered the future of software development in a week. What I did do was spend one serious week building a small local app with AI assistance, while trying to keep the project understandable. That turned out to be harder, and more interesting, than I expected. The coding agent could move quickly. Sometimes very quickly. It could generate code, refactor, write boilerplate, and help move the project forward. But it could also widen scope, preserve the wrong assumption, “helpfully” redesign something I wanted to keep boring, or act on context that was never meant to become implementation work. The main lesson I took from that week was simple: AI-assisted development is not only a coding problem. It is a context management problem. So I started using a lightweight loop: Task Brief -> think through the problem Codex Contract -> give the coding agent a bounded instruction set Final Review -> test, inspect, patch, and update project memory The result was not perfect AI coding. The result was reviewable AI coding. That distinction felt important enough to write down. The three articles I published three companion articles from that first week. They are meant to stand on their own, but together they describe the workflow, the memory system, and the objections I think are worth taking seriously. 1. Vibe Coding Done Right This is the accessible starting point. It explains how I used a lightweight, spec-driven workflow as a solo developer working with ChatGPT, Codex, VS Code, PowerShell, and a local LLM through LM Studio. The point is not the exact stack. The point is the separation: one place for thinking, learning, and review; another place for bounded implementation; documentation as the memory that keeps the next task grounded. 2. Documentation as Project Memory in AI-Assisted Development This is the more technical case-study piece. The part that surprised me most was documentation. Not

2026-06-30 原文 →
AI 资讯

Nobody Gets Paid for Knowing Syntax. They Get Paid for Solving Problems.

When I first started programming, I thought the best developers had one superpower. They remembered everything. Every function. Every method. Every API. Every piece of syntax. So I spent hours trying to memorize things. JavaScript methods. SQL queries. Regex. CSS properties. I thought that would make me valuable. I was wrong. The Day Everything Changed One day I watched a senior developer solve a difficult production issue. They opened Google. They opened the documentation. They searched Stack Overflow. They experimented. They tested. They failed. Then they fixed it. That's when I realized something. They weren't valuable because they remembered everything. They were valuable because they knew how to solve problems. Google Doesn't Make You Less of a Developer For a long time I felt guilty every time I searched for something. "Real developers shouldn't need Google." That's what I believed. Then I realized... Even experienced engineers search for documentation every day. Not because they're bad. Because technology changes constantly. Nobody remembers every detail. Syntax Is Temporary Think about the last five years. How many frameworks have changed? How many libraries disappeared? How many APIs were deprecated? Technology moves fast. Problem-solving doesn't. If you know how to think... You can learn any syntax. Companies Don't Hire Human Compilers Nobody pays you because you know where to put a semicolon. Nobody promotes you because you memorized every React hook. Companies pay developers who can: understand problems communicate clearly debug effectively make good decisions work with people deliver reliable software Those skills don't disappear when a framework becomes outdated. The Questions That Matter Instead of asking: "Do I know this syntax?" I started asking: Can I understand the problem? Can I break it into smaller pieces? Can I explain my thinking? Can I find reliable information quickly? Can I learn something new when I need it? Those questions changed the wa

2026-06-30 原文 →
AI 资讯

Why I built a CLI to automate web research instead of relying on browser tabs

A few months ago I noticed something annoying about how I worked: I was spending more time collecting information than actually thinking about it. The pattern was always the same. Open a search engine, open a dozen tabs, skim past the SEO filler and cookie banners, copy the paragraphs that actually mattered into a doc, paste the whole mess into an LLM and ask it to make sense of things. Then, a week later, do it again because whatever I was tracking had changed. At some point I stopped asking "how do I do this faster" and started asking why I was doing it by hand at all. Why the obvious answers didn't work ChatGPT and Perplexity are fine for a single question. They're worse at the part I actually needed help with, which was repetition: running the same research loop on a schedule, keeping a record of what changed, and getting a notification when it did. Neither tool is built to sit in the background and check on a topic for you. Plain scraping scripts have the opposite problem. They get you raw HTML, not understanding. You still have to strip out nav bars and footers by hand, and the moment you point one at a list-style page like Hacker News instead of a blog post, it falls apart. And bookmarking is just deferring the problem. A folder of forty saved links isn't research, it's homework you haven't done yet. I wanted something in between: automated enough to skip the tab-hoarding, but still producing something I could read and trust, not just a black-box answer. So I built Focal Harvest It's a modular CLI that runs the whole research loop, search, scrape, clean, synthesize, report, on its own, and stays lightweight enough to run on a laptop with no GPU and no database. A single run looks like this: you give it a topic and a focus area (what you specifically want answered), it searches the web, pulls and cleans the pages, synthesizes a report, and writes it to disk. There's also a loop mode, so the same query can re-run every few hours and ping you on Discord or Teleg

2026-06-30 原文 →