发信人: wdong (万事休), 信区: Programming
标 题: 我来推一下C++吧
发信站: BBS 未名空间站 (Thu Feb 18 09:23:45 2021, 美东)
C++已经不是活命语言了。活命语言是python或者js。
我这是和rust, go, swift这种二流语言相比而言。如果
非要花时间学一个语言,C++是值得投资的。
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如果已经会了一种编程语言,想再找事或者技术上进一步提高,
还是C++一步到位吧。这个世界上,C++之上别无第二个语言。
特别是python/R的用户,可以给现有项目写扩展。
就跟买电子垃圾似的,如了门以后要有钱,看准了最好狠
下心来买个好的用十年。
目前的C++,对于库的作者我感觉其实并不友好。
但是对于没有历史负担的一般用户,可以写出很漂亮的代码。
下面贴一些学习材料:
C++FAQ,第二语言可以直接跳过教科书看这个
https://isocpp.org/faq
现代C++新特性,适合C/C++老帮菜返老还童所需
https://github.com/AnthonyCalandra/modern-cpp-features
https://github.com/fffaraz/awesome-cpp
我最近看了圈开源库,对一些常用库进行了更新:
boost::program_options -> CLI/CLI.hpp
glog -> spdlog
boost::format -> fmt::format
目前小点的程序可以做到header only了。
glog有个CHECK宏用起来还是很顺手的,但是
centos上没有程序移植起来多一层麻烦。
https://killer.sh Pre Setup Once you've gained access to your terminal it might be wise to spend ~1 minute to setup your environment. You could set these: alias k = kubectl # will already be pre-configured export do = "--dry-run=client -o yaml" # k get pod x $do export now = "--force --grace-period 0" # k delete pod x $now Vim To make vim use 2 spaces for a tab edit ~/.vimrc to contain: set tabstop=2 set expandtab set shiftwidth=2 More setup suggestions are in the tips section . Question 1 | Contexts Task weight: 1% You have access to multiple clusters from your main terminal through kubectl contexts. Write all those context names into /opt/course/1/contexts . Next write a command to display the current context into /opt/course/1/context_default_kubectl.sh , the command should use kubectl . Finally write a second command doing the same thing into ...
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