78 lines
2.5 KiB
Markdown
78 lines
2.5 KiB
Markdown
## ThreadPoolExecutor
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```py
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__import__('concurrent').futures.ThreadPoolExecutor().submit(
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lambda x: (print(x * 2) or x ** 2 / 0), 3).result()
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```
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## sqlite3
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```py
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def SQL():
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def File(blob):
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try: import zmq; File.sock.send_pyobj(blob); return File.sock.recv_pyobj()
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except (AttributeError, zmq.Again):
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(sock := zmq.Context().socket(zmq.REQ)).connect('tcp://localhost:6106')
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sock.RCVTIMEO = 1000; File.sock = sock; return File(blob)
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import sqlite3, os; init = not os.path.exists('.db')
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(con := sqlite3.connect('.db', isolation_level=None)).row_factory = sqlite3.Row
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if init: con.executescript("""
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PRAGMA journal_mode=WAL;
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CREATE TABLE kv(k, v, t DEFAULT CURRENT_TIMESTAMP);
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CREATE INDEX index_kv_v ON kv(v);
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CREATE INDEX index_kv_k_t ON kv(k, t DESC);""")
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return type('', (), dict(__call__=lambda _, q, *p: list(map(dict, con.execute(q, p))),
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__setitem__=lambda sql, k, v: sql('INSERT INTO kv(k,v) VALUES(?,?)', k, File(v)),
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__getitem__=lambda sql, k: File(v[0]['v']) if (v := sql(
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'SELECT v FROM kv WHERE k=? ORDER BY t DESC LIMIT 1', k)) else None,
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__contains__=lambda sql, k: bool(sql('SELECT 1 FROM kv WHERE k=?', k))))()
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sql = SQL()
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```
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## tauri + svelte + shadcn
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```sh
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git clone https://github.com/alysonhower/tauri2-svelte5-shadcn.git
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cd tauri2-svelte5-shadcn
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bun i
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bun run dev -- --host
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```
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## syncify
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```py
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def sync(coro):
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import asyncio, functools, nest_asyncio; nest_asyncio.apply()
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return functools.wraps(coro)(lambda *args, **kwargs:
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asyncio.run(coro(*args, **kwargs)))
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@sync
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async def main(): print('hello'); return 'world'
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main()
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```
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## playwright
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```py
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@(sync := lambda coro: __import__('nest_asyncio').apply() or
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__import__('functools').wraps(coro)(lambda *args, **kwargs:
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__import__('asyncio').run(coro(*args, **kwargs))))
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async def Page():
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from playwright.async_api import async_playwright
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browser = await (await async_playwright().start()).chromium.launch()
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(context := await browser.new_context()).set_default_timeout(0)
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for attr in dir(page := await context.new_page()):
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if attr[0] != '_' and callable(method := getattr(page, attr)):
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setattr(page, attr, sync(method))
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page._repr_png_ = page.screenshot
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page.goto = lambda url, goto=page.goto: goto(url)
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page.soup = lambda: __import__('bs4').BeautifulSoup(page.content(), 'lxml')
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return page
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''
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page = Page()
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page.goto('https://naver.com')
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page
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''
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page.soup()
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```
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# wireguard
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```powershell
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wg genkey|%{$_;$_|wg pubkey}
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``` |