Yu – Page 3

从源码编译 golang

首先下载 golang 的代码，可以从 https://golang.org/dl 或者中国的 mirror https://golang.google.cn/dl 下载最新的 go<version>.src.tar.gz. 然后开始编译就可以。

构建方法基本可以参考官方文档就可以。

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By Yu, 3 years2 years ago

染头发记

因为各种原因，白发增多明显，并且成簇。同时本体毛发偏棕黄色。同时由于公司搬家几公里，去某家理发店不再方便。因此决定对头发做一下染色处理，同时正好耗尽余额以后换店。

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By Yu, 3 years2 years ago

Initialize Jetson Nano Environment

If we use Jetson Nano's default image to start our project, we may have some follow steps to make our work easier.

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By Yu, 3 years2 years ago

Go Proxy Configurations

To speed up our dependencies updating for golang, or prepare some patterns for our special libraries, we probably consider to use a proxy to speed it up.

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By Yu, 5 years2 years ago

为什么这个博客有很多台湾访客？

这几年这个博客都在使用 Google Analytics 服务。虽然每天被访问页面次数也就几百个，但我有时候也有点臭美的想知道是不是真的有用户在访问。最近偶然看了下 GA 的分析，发现来自台湾的用户特别高。

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By Yu, 6 years2 years ago

The short-circuiting in bash

Bash script writing is a import approach to configure the linux system. Suppose we wish to add a user if not exists, the command may seems as follow:

TARGET_USER=alice
if (! id -u $TARGET_USER > /dev/null 2>&1 ); then
    echo "creating user $TARGET_USER"
    # adduser $TARGET_USER
fi

However, it is kind of too long. In this case short-circuiting is a alternative solution. (more…)

By Yu, 6 years2 years ago

A simple workflow to create a clean python library based on Anaconda

The open-source Anaconda Distribution is an easy way to perform Python/R data science and machine learning on Linux, Windows, and Mac OS X. We could easily prepare an isolated and constant environment on anywhere based on a configure file.

Considering the various kind of strange errors due to the different versions of python and python libraries, this management tool makes our life much more comfortable in deploying and cooperating.

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By Yu, 6 years2 years ago

Code

How to keep the Ubuntu laptop on working

We may edit the configure file "/etc/systemd/logind.conf" and change one line from

#HandleLidSwitch=suspend

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By Yu, 6 years2 years ago

Code

Deploy a HDFS environment

This post will introduce some basic progress & configuration of deploying a HDFS cluster, and some error diagnosis.

Please see this post for a topic collection of distributed computing.

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By Yu, 6 years2 years ago

Code

Gracefully shutdown a http server in golang

To gracefully shutdown a http server requires a few steps.

The http library's serving function will block over there when getting started, until we call http.Server.Close(). As for us, we can invoke the starting function in a goroutine, and call close in another one.

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By Yu, 6 years2 years ago