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  PHP: a fractal of bad design

Preface I’m cranky. I complain about a lot of things. There’s a lot in the world of technology I don’t like, and that’s really to be expected—programming is a hilariously young discipline, and none of us have the slightest clue what we’re doing. Combine with Sturgeon’s Law, and I have a lifetime’s worth of stuff to gripe about. This is not the same. PHP is not merely awkward to use, or ill-suited for what I want, or suboptimal, or...

   PHP,Design,Analysis     2012-04-11 13:46:57

  Install and configure git plugin in Eclipse

When developing using IDE, it's always a good experience if everything can be done in the IDE including development, testing and version control. This also applies to Eclipse.  In this post, we will show the process of installing and configuring git plugin in Eclipse. The pre-requisite is that you have git installed on your local machine.  The detailed steps for installing and configuring git plugin are below. 1. Installing Git plugin Install using "Install New Software..." menu. ...

   ECLIPSE,GITHUB,GIT PLUGIN     2018-10-13 04:22:06

  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

  First impression of Github Copilot

It has been some time since I heard about the new generation of AI powered coding assistant -- Github Copilot. Don't get chance to experience it until obtained the tech preview access recently. So this post will document some first impression while using it. For now, this tool is only supported in VSCode and it can support various different programming languages. To enable it, just need to search and install the Github Copilot extension within VSCode. Once that is enabled, you will find that whe...

   GITHUB COPILOT,FIRST IMPRESSION     2021-08-13 22:45:31

  Install and use GSpace to install apps from Google Play on Huawei Harmony OS

Huawei has released its own branded mobile OS Harmony OS sometime back and some Huawei device models now support installing or upgrading to use Harmony OS. Since this OS is Huawei's own OS and it doesn't come with Google Play by default which most of the current Android apps are hosted on. In this case, how can someone install the apps from Google Play on Huawei Harmony OS or use GMS services like Google Play, Google Maps? The solution provided by Huawei is to install GSpace which is an APP cont...

   HUAWEI,GOOGLE PLAY,HARMONYOS     2021-08-01 04:23:58

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