Background:Recently in learning C++stl, out of chance, in the c++reference saw the vector under the Emplace_back function, do not want to cause a series of "exploration", so there is now this blog post.Objective:The Rvalue reference is undoubtedly a dazzling pearl in the new c++11 feature, based on which the mobile semantics and the perfect forwarding are realized, and the three are the "iron triangles" that make many C + + developers simply astounding (not all C + + developers, of course). In t
I read this book in the weekend, and decided to put the book on my nightstand. It's a short and funny book, the Clear insight and good stories, strongly recommend entry even senior engineers to read it.IntroductionThis book tells your how to find out what's wrong with stuff, quick. It indeed short and fun. I finished reading in the weekend and made some notes. And it convinced me the Nine rules powerful to hardware/software design and design, as some
Write CMakeList rules, cmakelist write rules
Makefilen content1. Display rules: the display Rules describe how to generate one or more targets. This is the file that Makefile specifies the file to be generated and the file dependency.2. Concealed rules: automatic deduction
Password and password encryption rules of the Discuz forum, and discuz Forum encryption rules
Discuz password encryption rules:
Md5 (md5 ('string'). 'fixed string ');
Fixed strings are randomly generated when users are registered and stored in the salt Field of the data table pre_ucenter_members.
For example, if the password is 123456789 and the fixed string
Super simple but unknown: html Tag nesting rules, html Tag nesting rules
There are many XHTML labels: div, ul, li, dl, dt, dd, h1 ~ H6, p, a, addressa, span, strong ...... When we use these tags to build the Page Structure, We Can infinitely nest them. However, nesting also requires certain rules and cannot let our individual habits be nested randomly, what are t
Author: White Wolf Source: Www.manks.top/article/yii2_custom_rules
The copyright belongs to the author, welcome reprint, but without the consent of the author must retain this paragraph, and in the article page obvious location to the original link, otherwise reserves the right to pursue legal responsibility.
One of the great strengths of yii2 is his form component, which is both convenient and safe. Some small partners feel with Yii for a period of time, good, except than TP "difficult to unde
H3C switch naming rules: interface naming and performance naming rules. Now, all households have their own computers and understand the H3C switch naming rules, make more reasonable settings for the vswitch to bring you a perfect network experience.
Each network device supplier's products have their own naming rules. D
CSS: @ rules that you may not know, CSS: @ rules
at-ruleIt is a declaration that provides instructions for CSS execution or how to express it. Each statement@Followed by an available keyword. This keyword acts as an identifier to indicate what CSS should do. This is a general syntax, although eachat-ruleThere are other syntax variants.General rules
General
MySQL: checking rules and mysql checking rules
Proofreading rules: Compare the order of Characters in the current encoding. (Cs is case sensitive, ci is case insensitive, and bin binary encoding is compared)
1. view the current checking rule show collation;
Each character set supports an unlimited number of verification rules
Naming Conventions are necessary to enhance the readability of the Code, so that you can understand what you want to express at a Glance. Standards are rules that make the code easier for later maintenance, it can also greatly improve the development efficiency.
JS naming rules
Naming Conventions are necessary to enhance the readability of the Code, so that you can understand what you want to express at a G
Analysis of Different errors in MySQL table sorting rules and mysql table sorting rules
MySQL multi-table join reports an error: [Err] 1267-Illegal mix of collations (utf8_general_ci, IMPLICIT) and (utf8_unicode_ci, IMPLICIT) for operation '=
That is to say, the two tables have different sorting rules (COLLATION) and cannot be compared. COLLATION is used for sort
Yii rules common verification rules memo
Record the common rules verification rules in Yii.
Return array (// you must enter array ('email, username, password, agree, verifyPassword, verifycode', 'required'), // check whether the username already exists in array ('mail ', 'unique', 'message' => 'username occupied '), //
This paper describes the rules commonly used in Yii rule. Share to everyone for your reference, as follows:
Public Function rules () {return array (//must be filled in with array (' email, username, Password,agree,verifypassword,verifycode ', ' r Equired '),//Check whether the user name repeats array (' email ', ' unique ', ' message ' = ' user name is occupied '),//user input maximum character limit array
Public Function rules () {return array (//must be filled in with an array (' email, username, Password,agree,verifypassword,verif Ycode ', ' required '),//Check whether the user name repeats array (' email ', ' unique ', ' message ' = ' user name is occupied '),//user input maximum character limit Array (' email, username ', ' length ', ' Max ' =>64),//Limit the user minimum length and maximum length of the array (' username ', ' length ', ' Ma
Arris-22 marketing rules (22 Business Rules)
14. Rule of opposing features
There is always another effective feature opposite to the features of any product.
In article 6th (concept-specific rules), we have stressed that people cannot possess
Same concepts and ideas. You must create your own proprietary concepts, and you must find your own unique features.
There
Arris-22 marketing rules (22 Business Rules)
12. Trademark extension rules
The expansion of the trademark series will inevitably give people the impression that the trademark is the same if it violates
If any rule is worthwhile, I'm afraid most American companies will be in jail.
Penalty.
So far, one of the rules descr
Preface:Password strength is a common function and is relatively simple. It is mainly about how to develop this strength rule. Now, you need to verify the password strength. The previous verification is relatively simple and cannot meet your needs. Now you need a password strength verification that can be flexibly changed and can be configured at multiple levels, so we designed the following stuff. Before the design, I also referred to the more mature strength
In the K2 process system, any execution node in the process (one node can contain multiple events) may contain client events, server events, and sub-processes (IPC, inter Process Communication) events, or other events. Generally, we need to include a large number of business logic in the process node. For example, who is the executor of the process node? Which of the following prerequisites must be met before the executor starts a process node task. A process node is a key element in a process.
Arris-22 marketing rules (22 Business Rules)
8. Two strong competition rules
In the long run, any market will eventually become a competition between two horses.
Initially, the status of a new type of product in the market is like a multi-level ladder, gradually,
This ladder becomes a two-level ladder.
The two main competitors of the battery industry are yongbei
Html Tag nesting rules and html Tag nesting rules
I. HTML tags include block and inline elements)1. Block-level elementsIt is generally used to build the website architecture, layout, and carry content ...... It includes the following tags:Address, blockquote, center, dir, div, dl, dt, dd, fieldset, form, h1 ~ H6, hr, isindex, menu, noframes, noscript,Ol, p, pre, table, ul2. Embedded ElementsGenerally, some
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