auto genesis

Original works, reprint please indicate: http://blog.csdn.net/Xiejingfa/article/details/50469045 As anyone familiar with the scripting language knows, many scripting languages introduce "type auto inference" techniques: For example Python, you can declare variables directly, and type check at runtime. With the release of the C++11 standard, the C + + language also introduces the function of type automatic inference, which is the

automatic layout!Springs and Struts problemsThere is no doubt that you may be more familiar with autosizing masks-this is the "springs and struts" pattern. Autosizing mask determines what happens to a view when its superview changes size. Does it have the flexibility and automatic repair of the page edge processing capability (the struts), and what will happen to its width and height (the springs)?For example, when the width of a view's superview is wider, its width is also flexibly widened, an

1. Use MySQL--help to view mysql command parametersAttention--auto-rehash Enable automatic rehashing. One doesn ' t need to use' Rehash ' to get table and field completion, but startupAnd reconnecting may take a longer time. Disable with--disable-auto-rehash.(Defaults to In; Use--skip-auto-rehash to disable.)2. Temporary use# mysql-u Root-p--

automatic configuration (auto-configuration) Automatic configuration (auto-configuration) is one of the most important features of spring boot, because the feature is based on the classpath of the application (this is mainly based on Maven Pom.xml decision), annotations and some other Java configuration descriptors automatically configure the spring boot application. For example, if you configure H2 in your

port error) 2. Requires a Linux environment. Deploy get Let's Encrypt # #获取 wget https://dl.eff.org/certbot-auto # #设置为可执行 chmod a+x Certbot-auto Perform an automated deployment. During the/certbot-auto deployment process Will download a whole bunch of dependent packages, without the need for nervousness. If you need confirmation, (enter "Y") confirm it. Note he

Auto and Decltype differences and linkages in c++11 new features A. Introduction to Auto When programming, it is often necessary to pay the value of an expression to a variable, and it is necessary to know clearly what the variable is when declaring the variable. It's not that easy (especially in templates) to do that, but sometimes it doesn't. To solve this problem, the c++11 new standard introduces the

Objective C + + is a strongly typed language, and you must explicitly indicate its type when declaring a variable. However, in practice, it is difficult to infer the type of the value of an expression, especially with the appearance of the template type, which makes it more difficult to understand the return type of some complex expressions. To solve this problem, there are two main uses of auto in c++11: Automatic type inference and the return value

Limitations of Innodb and Myisam storage engines on auto_crement: The auto-increment column in Innodb must be the index and the first column in the index. Otherwise, the following error will be reported: there can be only one column and it must be defined as a key; myISAM does not have this restriction. MyISAM adopts the table lock design, so you do not need to consider concurrency issues for self-growth; How auto_increment works in Innodb: A table co

Mysql auto-incrementing column leads to duplicate primary key issue analysis..., mysql primary key A few days ago, the development of shoes reported a problem of using the load data infile command to import data primary key conflicts. After analysis, it was determined that this problem may be a bug in mysql. I would like to share it with you here. In the future, it is difficult to sleep because of similar problems encountered by children's shoes. Haha

During this period of time, I suddenly became idle, and I was tossing and tossing Emacs. I always wanted to solve the auto-completion function because of the essential features of the modern development environment. Google, many of them use auto-complete and yasnippet, so they installed them on their own. First, check the installation documentation, and refer to other people's methods, various twists and t

string length, or to find a character in a string, and so on, which greatly facilitates the processing of strings. For example://defines a string variable that holds the user name entered by the userstringStrName =""; cout"Please enter user name:"Endl;//Gets the user input string and saves it to the strname variableCin>>StrName;//gets the length of the strname by the string type length () function//and determine if its length is less than 6 (less than 6 characters in a string)if(Strname.length

In the ASM version or Classic mode prior to Azure, users can achieve some degree of automatic scaling (auto scaling) with PAAs services such as the Azure Website,azure Cloud service, but with many limitations and drawbacks, For example, it can only be used on PAAs platforms, with extended periods, inability to support custom images, inability to support Linux, and so on, so is there a service on Azure that gives our enhanced PAAs the ability to expand

Vim Auto-complete plug-in----youcompleteme installation and configurationUsing Vim to write a program without the use of auto-completion plug-ins, there is no similar to the Linux vs visual Assist X such a quick and easy to complete plug-ins? Used to be neocomplcache+code_complete+omnicppcomplete, but the effect is not very good. See a YCM after the plug-in front can say goodbye.Youcompleteme: An all-in-one

#这种方法只适用于Eclipse Classic Version (this version comes with the plugin's source code)In the process of using ECLISPE, feel that auto-completion does not work well, not the strong vs. Here are two ways to enhance auto-completion:1. Add Eclipse's hint functionIn eclipse, from Content Assist, preferences, Editor, Windows---------auto-activation, we can After adding th