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JJavaScript/Node.js 台灣
JavaScript/Node.js 台灣
@JavaScriptTw · group · Tech · indexed since 2026-07-05 archive for June 2025
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Messages from June 2025

‹ June 2025 ›×
H
User said: Zig中 arrayhashmap 如果我替换一个Key的值 之后,原来的值会自动被内存回收吗 ChatGPT said: 在 Zig 中,如果你使用的是 std.AutoHashMap 或 std.ArrayHashMap 并替换了某个 key 对应的值: 🔥 Zig 并不会自动回收原来的值所使用的内存,除非你手动释放! 我每用一个函数都要问问GPT内存问题, 😂
  1. 🍳
    const std = @import("std"); const allocator = std.heap.c_allocator; pub fn main() !void { // 省略 // The put() function returns the old entry const old_entry = try map.put(key, value2); std.debug.print("Replaced with value: {d}\n", .{value2.*}); // 3. Manually free the old value if (old_entry) |entry| { std.debug.print("Old value was: {d}\n", .{entry.value.*}); allocator.destroy(entry.value); // You MUST do this! } }
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A
我用 rust 写业务逻辑,感觉熟练后非常爽
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♡
ArkTS对TypeScript的动态类型特性施加了更严格的限制,以减少运行时开销,提高执行效率。通过取消动态类型特性,ArkTS代码能更有效地被运行前编译和优化,从而实现更快的应用启动和更低的功耗。
  1. R
    起手式 new function/eval 的库都是智障。。。
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R
到处受限,browser extension/worker 都不让用
Calendar: June 2025
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