{"id":162,"date":"2019-01-04T10:54:20","date_gmt":"2019-01-04T18:54:20","guid":{"rendered":"http:\/\/35.243.195.209\/?page_id=162"},"modified":"2019-07-13T12:59:42","modified_gmt":"2019-07-13T19:59:42","slug":"posts","status":"publish","type":"page","link":"https:\/\/nanzhou.cc\/index.php\/posts\/","title":{"rendered":"Posts"},"content":{"rendered":"

About Posts<\/h2>\n

Posts are more\u00a0formal than WiKi, in which I will do some research and try to dive deeper. I will also present the references at the end of posts.<\/p>\n

All Posts<\/h2>\n

Most recent posts in chronological order:<\/p>\n

\r\n
\r\n \r\n\t\tC++ 20 Features\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
Coroutines Coroutines\u00a0are special functions that can have their execution suspended and resumed. To define a coroutine, the\u00a0co_return,\u00a0co_await, or\u00a0co_yield\u00a0keywords must be ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> C++<\/a>, Programming Language<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tC++ 17 Features\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
std::string_view \/\/ Regular strings. std::string_view cppstr {\"foo\"}; \/\/ Wide strings. std::wstring_view wcstr_v {L\"baz\"}; std::optional A common use case for optional ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> C++<\/a>, Programming Language<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tWordPress Docker Autostart\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
VM docker update --restart unless-stopped $container_name Container # start apache2 at boot up update-rc.d apache2 defaults # check init.d config ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> Web<\/a>, Wordpress<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tAnalyze Coredumps in Yocto\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
Got a coredump Let's say a daemon got a segmentation fault. $ coredumpctl TIME PID UID GID SIG COREFILE EXE ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> Debug<\/a>, OpenBMC<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tUse Span to Avoid Vector of Pointers\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
#include <charconv> #include <future> #include <iostream> #include <sstream> #include <string> #include <string_view> #include <variant> #include <vector> #include <unordered_set> #include <span> ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> Uncategorized<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tLet’s Encrypt SSH\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
This post is based on this post \"Containerized Wordpress, Migration, and SSL\". I found it a hassle to install and ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> Web<\/a>, Wordpress<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tDo not return const reference\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
Unless you really need to expose a read-only reference to clients (rare). #include <iostream> class Struct { public: Struct() {} ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> C++<\/a>, Programming Language<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tString Utilities\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
vector<string> Split(const string &s, char delim) { vector<string> result; stringstream ss(s); string item; while (getline(ss, item, delim)) { result.push_back(item); } ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> C++<\/a>, Programming Language<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tEulerian Path\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
In\u00a0graph theory, an\u00a0Eulerian trail\u00a0(or\u00a0Eulerian path) is a\u00a0trail\u00a0in a finite graph that visits every\u00a0edge\u00a0exactly once (allowing for revisiting vertices). Similarly, an\u00a0Eulerian ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> Algorithm<\/a>, Graph<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div>\n
\r\n
\r\n \r\n\t\tImprove WordPress Performance\t<\/a>\r\n\t<\/div>\r\n
\r\n\t
\r\n\t\t
This post summarized my recent attempt to improve the performance of my website. This post will be updated from time ...
Read More<\/a><\/div><\/div>\n
fighternan<\/a><\/span> \/ <\/span> Web<\/a>, Wordpress<\/a><\/span><\/div>\t<\/div>\r\n<\/div><\/div><\/div><\/div><\/div>\n