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What PTS, DTS stand for?

Derek 呆

Apr 15, 2013 • 1 min read

Here are the pages I found useful

http://dranger.com/ffmpeg/tutorial05.html
http://ffmpeg-users.933282.n4.nabble.com/understanding-DTS-PTS-td940270.html

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nim 上傳圖檔到 telegra.ph

import httpclient, os, strutils, asyncdispatch var c = newAsyncHttpClient() var d = newMultipartData() proc uploader() {.async.} = const base = "/home/derekdai/Photos" for p in base.walkDirRec(): let (_, f) = p.splitPath() echo f d.addFiles({f: p}) echo await c.postContent("https://telegra.ph/upload", multipart=d) waitFor uploader(

Derek 呆 Jul 1, 2020 • 1 min read

nim 的 spawn 使用

nim 提供了 spawn 簡化工作在 thread 間的分派, 例子如下 import os, threadpool proc task(): string = sleep(3 * 1000) result = "hello" var v = spawn task() echo "Wait for task..." echo ^v spawn 是由 threadpoll module 提供 spawn 後是 proc 的呼叫傳回的是 FlowVar[T] (或是 void) 的類型在 task 結束後,

Derek 呆 Jun 15, 2020 • 2 min read

在 nim 中表現 C struct 的繼承關係

{.emit: """ typedef struct { int id; } Member; typedef struct { Member m; unsigned int perm; } Manager; int member_size() { return sizeof(Member); } int manager_size() { return sizeof(Manager); } """.} type Member {.importc, nodecl, pure, inheritable.} = ref object id: cint Manager {.importc, nodecl, pure.} = ref object of Member

Derek 呆 Jun 15, 2020 • 2 min read

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