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What is a thingA thing is a sequence of operations that accesses a database, and the database application system accesses the database through a set of things. the proper execution of a thing makes a database transition from one state to another .Things must obey the acid principles established by ISO/IEC. Acid is an abbreviation for atomicity (atomicity), consistency (consistency), isolation (isolation), p

Tags: is nbsp start blank different article Oschina recover widthSometimes a system's data is placed in a different library. If a branch library commits successfully with a common thing, another branch library submission fails, This is not a successful or failed synchronization of two libraries. Can result in incomplete system data. MySQL has a syntax for dealing with distributed (XA) things in this case The XA start XID is used to start a XA thing wi

On the domestic Internet of Things Platform (v)--Wit cloud IoT Internet of things cloud service platform and intelligent hardware self-help development platformMa ZhiPlatform positioning The Smart Cloud Platform is an open platform dedicated to the Internet of things and intelligent hardware cloud services. The platform provides the ability to define pro

Threejs Official website-How do I do local things (how to run things locally)The beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's Beautiful Life-this blog focuses on Agile development and mobile and IoT device research: IOS, Android, HTML5, Arduino, Pcdui

Threejs official website-How to run things locally (How to run things locally) Threejs official website-How to run things locally (How to run things locally) Beautiful Life of the sun and fire god (http://blog.csdn.net/opengl_es) This article follows the "signature-non-commercial use-consistency" creation public agre

If there is a person in your life who wants to step on your feet, don't think life harmed you.Perhaps, there are 10 people who want to step on your feet, just your strength, so they don't have a chance to reach out. Do not complain that the world is the jungle, you will gradually find that it looks very cruel, but very fair. Weak, sometimes can be pity and pain, just because human beings also have morals and kindness.You can look up to morality and kindness, but don't rely on it. This world, in

the communication links. How to give full play to the advantages of enterprise IM portal, so that im generate greater value?What I am thinking now is the people, things, objects and knowledge that connect the enterprise.Connecting peopleThere are always a variety of requirements in the enterprise which business system should be used to satisfy. Such as1, release a training notice, detailed introduction of the content of the training2. Revelation of L

10 Things Every programmer shold know for their first Joby James R. stoupSEP 17,200 7 Hindsight being what it is, here are some lessons I have learned since entering the ranks of professional programming. 0000-being liked is easy If you show up on time, dress decently, smile and don't act insane then at least some people will like you. in fact, getting your coworkers to like you is fairly easy. want to have a lot of friends? Have a bowl on candy on yo

To improve jQuery's performance, you need to do seven things well, and jquery should do seven things well. Do seven things to help you improve jQuery's performance. Do you want to know which things? 1. Append Outside of Loops Anything that involves DOM has a price. If you attach a large number of elements to the DOM, y

only emit such a faint light. ”"Does the Firefly know that the light it emits is faint?" The child asked.Know However, it did not give up the glow. "I said," You know, the first thing people think of when you mention fireflies?"It's light. "said the child."So, a life, even if it is small, but as long as it can shine, even if the light is faint, the first thing people think of, is still its light." "I said.FourWhen I was a child, a small companion pointed to a small bug in the bottle and asked,

team, technology is not omnipotent, but no technology is absolutely impossible!In technical teams, technology and character are equally important. Of course, appearance is also important, especially in teams with more mm.In the software project team, the technical level is an important factor to be valued and respected.You must have a technical foundation for management, system analysis, design, coding, product management, testing, documentation, implementation, and maintenance. I am ignorant.

Html5 things you don't know (1). html5 thingsIntroduction to the article: I believe that html5 is familiar to everyone, but what is its true significance in specific development? What new definition and concept does html have? Why do some experts believe that after html5 is fully completed, all work can be achieved in the real cloud mode? Have you understood this series of questions? This series of articles will answer all the

Quickly improve programming capabilities-Many things can be changed in a year, many things First of all, I will write this article to students who are computer majors but have not studied it in the past few years. They are confused in their junior and senior roles and do not know how to start learning, there are also some new friends who want to learn programming but don't know where to start with many lang

algorithm . A radish a pit. It's like a back . The multiplication table only solves the multiplication problem . And the thought behind it helps to solve a kind of problemThe analytic reasoning, not the association :of course, it is absolutely undeniable that Lenovo itself is an extremely important way of thinking, even the most important of human thinking feature .To comprehend something as deep as possible, there are three things to do:1 finding th

I saw an introduction today. How the hard disk works and the cause of damage, and finally how to set the system to reduce frequency Read/write damage to the hard disk. Address: http://blog.csdn.net/uiiang/archive/2004/10/19/143302.aspx I feel really professional and knowledgeable. Different responses. Be sure to remember. You can talk about things in this way. These things are persuasive and professional.

Five things you must know about PHP 7 and five things about php 7 1. This year's schedule has been released. In PHP 7, the RFC vote has been passed, and PHP 7 will be released in October 2015. Despite some delay, we are glad to announce its release this year. You can view the detailed timetable of PHP 7. 2. PHP is about to go to a space ship. PHP will launch a new project to facilitate control by drivers

Five things you must know about PHP 7 and five things about php 7 1. This year's schedule has been released. In PHP 7, the RFC vote has been passed, and PHP 7 will be released in October 2015. Despite some delay, we are glad to announce its release this year. You can view the detailed timetable of PHP 7. 2. PHP is about to go to a space ship. PHP will launch a new project to facilitate control by drivers

Five things you must know about PHP 7 and five things about php 1. This year's schedule has been released. In PHP 7, the RFC vote has been passed, and PHP 7 will be released in October 2015. Despite some delay, we are glad to announce its release this year. You can view the detailed timetable of PHP 7.2. PHP is about to go to a space ship. PHP will launch a new project to facilitate control by drivers like

Javascript: from defining to executing things you don't know, javascript things From javascript definition to execution, the JS engine performs a lot of initialization work at the Implementation Layer. Therefore, before learning the working mechanism of the JS engine, we need to introduce several related concepts: the execution environment stack, global object, execution environment, variable object, activi

For python, all things are objects, objects are created based on classes, and python things Create a list and a string 1 li1 = [1, 2, 3, 4] 2 li2 = list ([1, 2, 3]) 3 4 s1 = "abc" 5 s2 = str ("abc") 6 7 print (li1) 8 print (type (li1) 9 10 print (li2) 11 12 print (s1, s2) 13 14 # result: 15 # [1, 2, 3, 4] 16 # Li1 li2 object is created by list object, s1 s2 object is created by str class For Python,