Best introduction: link Relay vs Apollo client Both are clients of graphql in React. Useful tools chrome plugin: GraphQL Network Inspector Apollo client URI Recently, I took a look at the...

Basically, cloudflare is reverse-proxy. See https://developers.cloudflare.com/fundamentals/ Domain name registrar Godaddy and cloudflare are popular choices. See https://www.cloudflare.com/learni...

Build and run git clone https://github.com/nginx/nginx cd nginx ./auto/configure --prefix=/code/build/nginx && make && make install gdb /code/build/nginx/sbin/nginx By default, N...

Why Redis is fast I love the comments under https://zhuanlan.zhihu.com/p/160157573 :) Todo learn the flow of main function figure out how replication works such that it does not return stal...

docker container = Linux namespace + cgroups Rea this simple demystify article https://jvns.ca/blog/2016/10/10/what-even-is-a-container/ docker-in-docker (dind) docker-compose Misc 127....

key bindings names https://code.visualstudio.com/docs/getstarted/keybindings C/C++ configs There are two popular C/C++ plugins: C/C++ IntelliSense provided by Microsoft and Clangd provided by LL...

Plugins Gitlink: useful for copy permalink. ideavim: https://github.com/JetBrains/ideavim#finding-action-ids tells how to get the action id, so we can map it. put .ideavimrc ...

ScyllaDB sounds like an interesting product. It is open sourced and claimed to be compatible with DynamoDB and Cassandra.

Conflict resolution is resolved at read time. partition: consistent hashing versioning: vector clock

Build ./configure make -j bear -- make -j table lock error Basically, it means a write lock is already held on a table, and you want to get a read/write lock again. See the special check for re...