## ThreadPoolExecutor
```py
__import__('concurrent').futures.ThreadPoolExecutor().submit(
   lambda x: (print(x * 2) or x ** 2 / 0), 3).result()
```

## sqlite3 [25-02-23]
```py
def SQL(db='.db'):
    import sqlite3, os, json; (not os.path.exists(db) and os.makedirs(db) is None,
    (con := sqlite3.connect(f'{db}/sql', isolation_level=None)).execute(
        "PRAGMA busy_timeout="f"{1e9}"))[0] and con.executescript(
        "PRAGMA journal_mode=WAL; CREATE TABLE kv(k,v,t DEFAULT CURRENT_TIMESTAMP);"
        "CREATE INDEX idx_kv_v ON kv(v); CREATE INDEX idx_kv_k_t ON kv(k,t DESC);")
    return type('', (), dict(__call__=lambda _, q, *p: list(con.execute(q, p)),
        __setitem__=lambda sql, k, v: sql('INSERT INTO kv(k,v) VALUES(?,?)', 
            k, v if type(v) is bytes else json.dumps(v)),
        __getitem__=lambda sql, k: (json.loads(v) if type(v := v[0][0]) is str else v) if
            (v := sql('SELECT v FROM kv WHERE k=? ORDER BY t DESC LIMIT 1', k)) else None,
        __eq__=lambda sql, query: sql('SELECT * FROM kv WHERE k LIKE ?', query),
        __ne__=lambda sql, query: sql('SELECT * FROM kv WHERE k NOT LIKE ?', query),
        __delitem__=lambda sql, rows: [
            sql('DELETE FROM kv WHERE k=? AND v=? AND t=?', *row) for row in rows],
        __contains__=lambda sql, k: bool(sql('SELECT 1 FROM kv WHERE k=?', k)),
        __len__=lambda sql: sql('SELECT COUNT(*) FROM kv')[0][0],
        __iter__=lambda sql: iter(k[0] for k in sql('SELECT k FROM kv')),
        __repr__=lambda _: f"SQL({db}/sql)"))()
sql = SQL()
```

## tauri + svelte + shadcn
```sh
git clone https://github.com/alysonhower/tauri2-svelte5-shadcn.git
cd tauri2-svelte5-shadcn
bun i
bun run dev -- --host
```

## syncify
```py
def sync(coro):
    import asyncio, functools, nest_asyncio; nest_asyncio.apply()
    return functools.wraps(coro)(lambda *args, **kwargs:
        asyncio.run(coro(*args, **kwargs)))

@sync
async def main(): print('hello'); return 'world'

main()
```

## playwright
```py
@(sync := lambda coro: __import__('nest_asyncio').apply() or
    __import__('functools').wraps(coro)(lambda *args, **kwargs:
    __import__('asyncio').run(coro(*args, **kwargs))))
async def Page():
    from playwright.async_api import async_playwright
    browser = await (await async_playwright().start()).chromium.launch()
    (context := await browser.new_context()).set_default_timeout(0)
    for attr in dir(page := await context.new_page()):
        if attr[0] != '_' and callable(method := getattr(page, attr)):
            setattr(page, attr, sync(method))
    page._repr_png_ = page.screenshot
    page.goto = lambda url, goto=page.goto: goto(url)
    page.soup = lambda: __import__('bs4').BeautifulSoup(page.content(), 'lxml')
    return page
''
page = Page()
page.goto('https://naver.com')
page
''
page.soup()
```

# wireguard
```powershell
wg genkey|%{$_;$_|wg pubkey}
```