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CCryptapeblog.cryptape.comJul 13, 2025 · 2 min read

引入多进程和进程间通信

本文是一篇科普文章，旨在帮助读者理解 CKB 在 Meepo 升级中引入的 Spawn 功能是什么，如何工作，以及能做什么。尽管本文不会深入到具体实现细节，但我希望读者具备以下背景知识：对 CKB 的运行模式，如 CKB-VM、Script (smart contract)），有基本了解知道操作系统中的进程、协程、IPC（进程间通信）等概念 CKB 传统合约开发的挑战在此前的 CKB 合约中，如果需要使用某个复杂算法，通常是直接将其嵌入到合约代码中。虽然这种方式简单直接，但也带...

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ABArindam Baidyalinuxfromscratch.hashnode.devMar 16, 2025 · 5 min read

04. Working with Shell - II

Viewing File Size du -sk test.img **du (**disk usage) command to inspect file size. Here, ‘-sk’ refers to size in kilobytes. du -sh test.img prints the size in human readable format. ls -lh test.img long list to print the size of a file in human read...

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LWLim Woojaejaylog.hashnode.devJan 29, 2025 · 4 min read

[Python] Pipes vs. Queues for Flawless Data Communication in Multiprocessing

Understanding Process Key characteristics of process: Process must contain a main thread. Code, data, stack and heap are independent. This means it is not so easy and low-cost to share memories within multiple processes. CPU + Memory space are ...

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PPP PRAKASHcli-git.hashnode.devApr 30, 2024 · 4 min read

Command Line Interface (CLI)

Why CLI ? Before knowing what is CLI, one should know why CLI is used and it's significance. To get our work done we need to communicate with system, for example to create ten files in a folder we right click and create a new folder which is one way ...

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AWAnthony Wilsonanthonywilsong.hashnode.devApr 10, 2024 · 7 min read

A Step-by-Step Guide to Piping Network Calculation

Understanding Piping Networks Piping networks play a crucial role in various industries, facilitating the movement of process and utility fluids to ensure smooth operations. Piping networks are an integral part of oil & gas projects, forming a signif...

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DVDhairya Vermarajurastogi.hashnode.devMar 26, 2024 · 1 min read

Streaming with named pipe in linux

While working with ffmpeg recently, I needed a solution to stream multiple videos to an RTMP URL without repeatedly starting the command for each video. That's when I discovered the concept of named pipes in Linux, which provided a seamless way to co...

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JIJindřich Ivánekjindraivanek.hashnode.devJan 25, 2024 · 2 min read

F# tips weekly #3: piped lambda function

Usage of lambda functions as parameters for another function is well known. Less commonly used is the application of lambda functions in other contexts. We can leverage the fact that a lambda function is a value and use it wherever we can use a norma...

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ASAdil Shaikhadilshaikh165.hashnode.devDec 21, 2023 · 5 min read

Internals of PIPE command in Unix based System

Pipes allow transfer a data between processes in the first-in-first-out manner (FIFO), and they also allow synchronization of process execution. Their implementation allows processes to communicate even though they do not know what processes are on t...

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BSBartosz Szłapakblog.procode.plSep 26, 2023 · 2 min read

RxJS log value pipe

Sometimes, instead of using debugger keyword, you'll just want to display the values in the console. When using RxJS you'll probably use quick&dirty tap(value => console.log(value)). There's nothing wrong with it, but it can be done a little nicer an...

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EAEmmanuella Adekaellaadeka.hashnode.devAug 14, 2023 · 3 min read

Unleashing the Power of the Pipe (|) Operator

In the realm of programming and command-line interfaces, the pipe (|) operator might appear deceptively simple. However, beneath its unassuming appearance lies a powerful tool that can transform the way you process data, streamline workflows, and enh...

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#pipe

Explore Hashnode

Trending tags this week

引入多进程和进程间通信

04. Working with Shell - II

[Python] Pipes vs. Queues for Flawless Data Communication in Multiprocessing

Command Line Interface (CLI)

A Step-by-Step Guide to Piping Network Calculation

Streaming with named pipe in linux

F# tips weekly #3: piped lambda function

Internals of PIPE command in Unix based System

RxJS log value pipe

Unleashing the Power of the Pipe (|) Operator