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  Chinese Developers Release CEC-IDE, Claimed as First Independently Developed IDE

China witnessed the recent launch of a new IDE called CEC-IDE, which boldly claims to be the first IDE independently developed by Chinese developers. Initially, this release was anticipated to be a moment of pride for the country, as it marked the availability of a homegrown IDE. However, the situation quickly took an embarrassing turn, and the entire narrative soon became a subject of ridicule. It has come to light that the so-called independently developed IDE, CEC-IDE, is actually built upon ...

   CHINA,CECIDE,CEC-IDE     2023-08-27 00:43:31

  How to check when an API is introduced in GoLang

Normally people would not pay much attention to which GoLang version is being used as lots of functions are backward compatible. However there are cases where GoLang version does matter as some functions may not be supported by old version of GoLang. For example, strings.Builder is introduced in Go 1.10, but below code would fail to be compiled on Go 1.10. package main import ( "fmt" "strings" ) func main() { var b strings.Builder b.WriteString("polarisxu") fmt.Println(b.Cap()) } The ...

   GOLANG,API VERSION,GO TOOL     2021-02-07 00:43:24

  Why (offset, limit) is slow in database select?

Starting from a problem Five years ago when I was working at Tencent, I found that MySQL request speed was very slow in the pagination scenario. With only 100,000 data, a select query on a single machine took about 2-3 seconds. I asked my mentor why, and he asked in return, "In an indexing scenario, what is the time complexity to get the nth largest number in MySQL?" The pursuit of the answer Confirming the scenario Assuming there is an index on the "status" column, a query like "select * from t...

   SLOW,LIMIT,OFFSET,MYSQL     2023-03-12 05:21:02