SEARCH KEYWORD -- Code highlight


  Google search now highlights search text in target link page

It seems Google is slowly releasing a new feature to highlight search text when user opens a matching search result link through its search engine.  Now for example if you type something in the Google search bar, you will see normal search results. But when you click the link, e.g, the first search result to Stackoverflow, you will see something like below after the link is opened. The searched text is highlighted and the page automatically scrolls to the position where the search text ap...

   GOOGLE SEARCH,FEATURED SNIPPET,TECH NEWS     2020-06-13 06:09:38

  New function signal.NotifyContext in GoLang 1.16

os/signal package in GoLang may not be frequently used but it provides some good features like Shutdown() which can be used to gracefully shutdown a running HTTP server. func (srv *Server) Shutdown(ctx context.Context) error With this function, there is no need to use third party library to gracefully shutdown HTTP server. How is it being used? package main import ( "context" "fmt" "net/http" "os" "os/signal" "time" ) func main() { server := http.Server{ Addr: ":8080", } http.Handl...

   GOLANG,NOTIFYCONTEXT,GRACEFUL SHUTDOWN     2021-06-19 01:07:10

  CSS position explained

CSS has two very important properties on determining the position of an element in webpage: display and position. display is used to determine how elements are grouped and displayed on the page. While position is used to determine the exact position of an element on a page. And this post would explain position property in detail. position is used to determine the exact position of an element on a page. It has five possible values. static relative absolute fixed sticky sticky is supported start...

   CSS,STICKY,CSS3     2019-11-22 19:57:52

  You should publish your contributions of Open Source, even it’s not required

Although many Open Source projects don’t require you publish the modifications of them, I still propose you should make the changes open. The reasons are as following: (1) For other people: the out-of-box Open Source projects save your time and money, and you get benefit from them. You should not only take, but also need to give! Only if everyone shares his code, document, or whatever related, the Open Source projects can grow up healthy. (2) For yourself: You release your code can actuall...

       2017-07-18 03:53:05

  In-depth Exploration of Direct and Indirect Dependency Management in GoLang

The dependency management in Golang is handled using go mod. go mod is the official dependency management tool introduced by the Golang team. It assists developers in managing project dependencies to ensure the stability and maintainability of the project code. In go mod, dependencies are categorized into two types based on how packages are imported in the code: direct dependencies and indirect dependencies. Direct dependencies are explicitly referenced in the project code, while indirect depend...

   MODULE,GO,DIRECT DEPENDENCY,INDIRECT DEPENDENCY     2023-12-09 05:34:25

  How to undo git changes?

When using git for version control, there is frequent need on undoing commits due to some unexpected changes. This post will introduce how to undo changes with git command in different cases. Undo commit A common undo case is that some commit needs to be reverted as the commit contains error. In this case, the code is already committed. The command to revert the commit is git revert HEAD This command will add new a commit to the existing head to undo the previous commit. It will not change the p...

   GIT,GIT RESET,GIT REVERT,GIT CHECKOUT     2019-12-28 02:21:47

  The Strange Behavior of the void Type in TypeScript

Preface In TypeScript (TS), there is a type called void. It represents "nothing" but it's important to note that it's not the same as "nothing" in JavaScript(JS). Typically, void is used to declare the return type of functions. Although you can declare a variable as void, we generally don't do this because it serves no meaningful purpose. Let's explore why in the examples below. The void Type Declaring a Variable as void let name: void; // Declare a variable `name` with type `void`. name = 'nan...

   TYPESCRIPT,JAVASCRIPT,VOID,TYPE     2024-09-13 23:44:26

  Reset submodule to checkout state in git

Sometimes there would be a submodule or some submodules within one git repository, in some cases the submodule may be out of sync with the checkout state as some files in submodule may be changed unexpectedly. How to reset the submodule to be the same as the original checkout state? Let's take an example that we have a git repository A and there is a submodule called ruby-gems under it. Assuming the submodule at remote origin has commit a. And on our local environment, the repository A has a la...

   GIT RESET,GIT SUBMODULE     2020-09-05 08:30:57

  Amazon unveils 8.9" Kindle Fire HD

Amazon today unveiled 7 products of Kindle family, including the $69 new Kindle; Kindle Paperwhite WiFi/3G, priced at $119 / $179; 7-inch Kindle Fire regular edition/HD version, $159/$ 199; 8.9inch Kindle Fire HD with WiFi/4G Edition at $299 /$499. However, the Amazon phone did not show up. The 8.9-inch Kindle Fire HD is today's highlight, because it looks real similar to iPad. Kindle Fire HD has the following features: 1920 x 1200 resolution, 254PPI Texas Instruments OMAP 4470 proce...

   Amazon,Kindle Fire HD,tablet     2012-09-06 19:12:05

  One Way to Quickly Locate SQL with High CPU Usage in MySQL

When the CPU usage of a MySQL database rises abnormally, it's necessary to quickly identify the problematic SQL statements. In this post, we try to provide one way to achieve this.  Below are the actual steps. 1. Use the top command to find the threads with the highest CPU usage in the MySQL process. # Find the MySQL process ID ps -ef | grep mysql # Use the process ID to find the thread IDs with the highest CPU usage: top -H -p In top, press P to sort by CPU usage. Note the thread ID, fo...

   MYSQL,DEBUG,HIGH CPU,SLOW QUERY     2024-08-01 21:25:48

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