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  How to apply Domain Level Group Policy

As a system administrator, you may often need to create a Windows domain of a computer network in which all user accounts, computers, printers and other security principals, are registered with a central database (called a directory service). Also one or more domain controllers need to be deployed to enable managing the domain. In this post, we will show you how to apply Domain Level Group Policy. There are lots of posts which have covered how to promote a Windows server to a Domain Controller. ...

   Group Policy,Domain Controller,Account Policy, GPO     2015-03-19 03:46:34

  How to organize a successful technical party?

Since last year, I began to take part in some technical parties. Some are held very successful, while some seem not. In this article, I will share ideas about how to organize a successful technical party and use Golang programming language as an example. To hold a party, there must have been a stable user group first. According to the number of user, there may need a committee or a president, and the job of the organizer is searching for the sponsors, selecting the topics, etc. Although there ha...

       2015-05-15 22:28:38

  The Greatest Regex Trick Ever (Simplified)

There is a post which is really hot recently which showcased a best ever regular expression trick. In this post, it provides a trick which can be adapted to situations where one wants to match some patterns desired and exclude the patterns undesired. In simple, the trick is : Pattern not desired | (Pattern desired) Then taking the group 1 match of the capturing group of matched. This group will contain the strings matching the desired patterns. Have to say this trick is really neat and brilliant...

   REGULAR EXPRESSION,PROGRAMMING,JAVA     2015-10-01 21:59:05

  How MySQL optmizes ORDER BY

In some situations, MySQL will just use an index to fulfill the requirement of an ORDER BY or GROUP BY statement without extra sorting. Although ORDER BY will not have the exact match with index, index can still be used as long as the portion that is not included in the index is included in the where clause. The following queries will all use index to process the ORDER BY or GROUP BY part: SELECT * FROM t1 ORDER BY key_part1,key_part2,... ;SELECT * FROM t1 WHERE key_part1=constant ORDER BY key_p...

   MySQL,index,ORDER BY,optimization     2012-11-13 11:01:05

  People working with computers seem to have a lot of spare time

People working with computers are a group of people who spend much time on communicating with PCs, Handsets and other programmed hardware devices. Usually, these people are thought as a group of busy people. When we see them, they are often sleepy and seem not caring about anything else. They often work day and night, spend many hours on finding and fixing an unknown bug or trying to meet the project deadline  Are they really so busy?  Lets see what some people think about them? Just f...

   Programming,Busy,Spare time,Fun     2012-05-01 07:06:51

  Alibaba CEO Daniel Zhang is no longer president of Taobao Software Co. Ltd

According to a recent change record from Chinese company registration information portal, the Chinese e-commerce giant Alibaba Group CEO Daniel Zhang is no longer the president of TaoBao Software Co. Ltd. His successor is Shan Dai, who is one of the founders of Alibaba and now Taobao CEO. Along with the change, Daniel also quits as the president of Tmall technology company which is also one of the subsidiaries of Alibaba Group focusing on big brands. Taobao (China) Software Co., Ltd. was establ...

   CEO,ALIBABA,TAOBAO,DANIEL ZHANG     2022-04-24 07:45:48

  The biggest iOS 5 bug you've never heard of

There is a huge bug when Group Messaging is disabled in iOS 5. I'm shocked Apple hasn't fixed this yet. Today a friend sent out a text message blast, announcing they got a new phone number. Shortly after, I got text messages from three random people I don't know. I was confused how these people got my number, but then I realized they were replies intended for my friend who sent out the text blast. If you've ever used the Group Messaging feature,...

   iOS5,Bug,Group Messaging     2011-12-10 06:04:39

  The big four in Taiwan can compete with Samsung

Taiwan's IT industry has a tense competition with South Korea, TSMC chairman Morris Chang said that although Samsung Electronics is a powerful opponent, ,there is only one Samsung in South Korean; in contrast, Taiwan has the TSMC, HTC, MediaTek and Hon Hai, they can challenge Samsung altogether.Morris Chang pointed out that Samsung Electronics is the  company with biggest market capitalization in South Korea, the market value is roughly $200 billion; but the second largest company in S...

   Taiwan,Samsung,IT     2013-06-12 06:46:16

  Different ways of handling concurrent job in GoLang

GoLang provides very good support of concurrency and the way to make some code to run concurrent is pretty simple and straightforward. Adding a simple go before a normal function call will make the function call asynchronous. In real cases normally people would concurrently run some jobs to improve the speed and efficiency. One important part of running jobs concurrently is about aggregating results so that the consequent function call would be able to proceed. There are multiple ways handling t...

   COMPARISON,WORKER POOL,WAITGROUP,CONCURRENT     2021-05-15 11:13:53

  errGroup in GoLang explained

Today, let's talk about the usage and applicable scenarios of errGroup, which is often used. Why is it useful? Generally, when we use goroutine, we cannot return a value. If you want to pass out the result of the goroutine execution, you usually have to use the channel. The errGroup package is suitable if you want to know when the goroutine you opened encounters an error during execution and stop working, and I need to know the error value. errGroup usage The package needs to be downloaded and i...

   GOLANG,ERRGROUP,WAITHROUP,CONCURRENCY     2023-05-27 23:58:20

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