dimensioning guidelines

Hibernate optimization Crawl (optimization guidelines---n+1 query issues) By default, hibernate does not load data that you do not request, thus reducing the memory consumption of the persisted context. However, it will also make you face the so-called n+1 query problem. If each association and collection are initialized on demand only, and no other policy is configured. A specific process can also perform dozens of or even hundreds of of queries to

Love is wonderful, is happy. Everyone wants to talk about a vigorous love, so sometimes need to pay attention to a lot of criteria to talk about a stable love. For example: Active attack type, treat each other sincerely, trust respect each other, caring for each other, single-minded treatment of each other, adversity to see the truth do not abandon do not give up. These 6 points have done, basically you can talk about a very good love! I suddenly found that these 6 points to apply to the SEO abo

Original link: http://www.cnblogs.com/zhengyun_ustc/p/rule1.html Web Development Engineers read the guidelines for front-end development below, which is the first part, highlighting the Web Access security infrastructure that we have noticed in the last few years that Web engineers have to deal with. In particular, some engineers from traditional software development to the Internet development, please read carefully, do not neglect these basic points

This article mainly introduces the use of Angularjs to create a single page application programming guidelines, ANGULARJS is a highly popular JavaScript library, the need for friends can refer to the Overview Single-page applications are becoming increasingly popular. Web sites that simulate the behavior of a single page application can provide a sense of mobile/tablet applications. Angular can help us create this kind of application easily Simple

the article needs to be organized 2015.3.13 Revision Distributed systems typically serve large requests, maintain big data, respond quickly, and are available for long periods of time. There are a lot of things to consider when designing a distributed backend service, this article gives some common design guidelines for viewing. Availability: The system can serve the time normally, some online systems often require 99% availability. High availability

Tags: 9.png get ima finishing soft Chinese system default infoDetailed steps to look at a sorted Word documentLink: https://pan.baidu.com/s/1zOhaFVpro2DNnJlJ6dbSEg Password: lj4mThe concrete step here does not introduce, here record the error messageThis is said that the system is missing this package by default, but in fact, if you have installed VS2013 and above version, here will not prompt this error, but you can download it yourself.Select this Chinese to download and install.After download

Tags: daily maintenance Install a markdown Insert data dir technology shutdown observationTable structureOne DB for a folder.One table two files The frm is a table structure, and IBD is the storage data Connection layer:SockIp SQL Layer: Storage tiers: MY.CNF Read Order Observing the startup process (data directory) - 授权用户(设密码) - 查看用户权限 - 查看mysql版本(3种\s; show states;\) - 建库 建表 插入数据 - 查看表结构(字段/及建表语句) - 查询某几列 - 查看正在执行的sql(show processlist) - server/client字符集 - 查询库的最大连接数 - 查询库

This morning in he opening keynote at Cppcon, Bjarne Stroustrup announced the C + + Core guidelines (Gith Ub.com/isocpp/cppcoreguidelines), the start of a new open source project on GitHub to build modern authoritative guideline s for writing C + + code. The guidelines is designed to being modern, machine-enforceable wherever possible, and open to contributions and forking so That organizations can easily i

. NET Framework Design Guidelines more The Guidelines:. NET Framework Design Guidelines The editor of the guidelines: Krzysztof cwalina A compilation of new guidelines: a compilation of New. Net Design GuidelinesKen Brubaker A ms blogger on the

To create a custom number format in Excel , you should first understand the guidelines for custom number formats and start by selecting a built-in number format. You can then change any part of the code in that format to create your own custom number format.The number format can contain up to four pieces of code, each separated by semicolons. The Code section defines the format of positive, negative, 0, and text in chronological order.　　 Positive >; N

to the design of the product. To create a trustworthy mobile user experience, the performance of the product is a critical factor. In this article, we will discuss the relationship between the design and performance of mobile applications and understand the seven relevant design guidelines. These guidelines are our (English original author) team in various types of mobile applications in the actual projec

Article 3 Guidelines: adapting to lifeLife is unfair, so we have to adapt to it. Destiny is in your own hands.Article 5 Guidelines: success is your personal capitalThis world does not care about your self-esteem. This world expects you to achieve something before you feel good about yourself. Success is the highest realm of life. Success can change your personality and dignity. It is silly to be conceited.A

[Switch] C ++ Operator Overloading guidelines Http://www.cs.caltech.edu/courses/cs11/material/cpp/donnie/cpp-ops.html One of the nice features of C ++ is that you can give special meanings to operators, when they are used with user-defined classes. This is calledOperator Overloading. You can implement C ++ operator overloads by providing special Member-Functions on your classes that follow a participant naming convention. For example, to overload+O

Bill Gates's top 10 standards of outstanding employees-professionals must read 1st standards and have a great interest in their company's products. curious about the company's products. always show your interest and love for the company and products. 3. love and focus on your work 4. the world has nothing to do once and for all. We must constantly update ourselves. Article 14 The principle of impressing the customer with the enthusiasm and perseverance of the missionary 1. impress the custom

unobtrusive JavaScript is a design concept that removes JavaScript from the HTML structure, avoiding the inclusion of a bunch of onchange, onclick in HTML tags ... And so on, to Mount JavaScript events, to separate HTML from JavaScript, and to differentiate the functions and responsibilities according to the MVC principle, so that the HTML becomes structured and easy to read.unobtrusive JavaScript is a common way to use JavaScript in Web pages. The name is not formally defined and its basic prin

composed of accidents and luck. Otherwise, life is composed of rules and regulations ." A rule is the most essential connotation of a thing and the golden rule for the success or failure of a thing. Bill Gates's 11 Guidelines for teenagers are the successful experiences and wisdom he has learned from all aspects of his life and his personal experiences from small to large. Bill Gates's rule of success is a collection of wisdom. We may think of it as

I read Google's official design guidelines for drawer navigation, how can this help me? At the very least, I can see what the drawer navigation is for, and what to pay attention to when using it. App design is based on rules, such as the use of drawer navigation, there are clear rules and scenes.The Navigation drawer (navigation drawer) is a panel this transitions in from the left edge of the the screen and displays the app ' s main na Vigation option

would want the collection view to have a gain on the user's task, and not want the collection view to become the focus of the user experience. The following guidelines can help you create a collection view that people expect.do not use the collection view when using list views better. Sometimes it's better for people to see and understand information by using lists. For example, text information in a scrolling list will make it easier for people to s

storyboard file to indicate that your app is running on iphone 6 Plus or Iphone6.The following design guidelines apply to startup files and static boot pictures.design a simple boot image that enhances the user experience. in particular, it's not a time to start a picture: An "app portal experience", such as a splash screen An "about" window Brand elements, unless they are the static part of your app's first interface Because us

Turn from: http://blog.csdn.net/swj524152416/article/details/75418162 we know that in the C + + field, as an advanced reading material, the must-see book is "Effective C + +". and "Effective C #" In C #, is similar to the "effective C + +" in the same existence of C + +.This article, the "Effective C # Second Edition" in the Book of the Unity game engine used in the use of C # in the experience of the refining, summed up into 21 (first summed up is 22, and later found that 22nd is also. NET feat