A two-point guarantee is required to implement the session in Gremlin-server:
The session is bound to a variable list;
Each session must be run in the same thread as the same server process. This is also Tinkpop graph transaction the threadlocal mechanism requirements.
1. Sessionopprocessor.java maintains the list of the ID-"session, each session maintains the binding variable, which is the binding of the Java ScriptEngine.protected
Yii2-verification rules, rules, judgment conditions, yii2-rules
I will not elaborate on the validation rules of the yii2 model for simple use. You can see what you want to see.Official website tutorialHttp://www.yiichina.com/doc/guide/2.0/structure-models#validation-rulesCommunity netizen tutorialHttp://www.yiichina.co
I. Class naming rules1. entity layer:Inheritance relationship: All classes are inherited from basicentity. Among them, basicentity implements the java. Io. serializable interface;Naming rules: class name = Object + class suffix, where class suffix is Bean, for example, salesorderbean2. form layer:Inheritance relationship: All classes are inherited from basicform. Because this project is based on the struts structure, baseform inherits from validatorfo
In a K2 process system, any one of the execution nodes in the process (one node can contain multiple events) can contain client events, server-side events, and subprocesses (Ipc,inter process Communication) events, or other events. Typically, we need to include a lot of business logic in the process node, such as who is the performer of the process node. Which prerequisites must be satisfied before the performer initiates the process node task, and so on. A process node is a key element in a pro
At-rules different CSS rules for use in specific situations.
Importing
importThe @ rule references another style. For example, if you want to add another style to the current style, you can do this:
@import url(addonstyles.css);
This is much like using link elements to connect CSS to HTML, which essentially has a content style like the following:
This is to take care of the old version of the browser, such
information changes over time, you can tell Checkstyle to ignore line 4th by setting the Ignorelines property to 4.Regular Expression Header (regular expression file header)Checks whether each row of the Java source file header matches the specified regular expression.Explanation: In some projects, it is not enough to check for a fixed head, for example, a file header may require a single line of copyright information, but the year information will change over time.For example, consider the fol
Web site with scale, business, the change of technology is unavoidable, but the website revision also has certain risk, especially the website link structure change is apt to be subjected to the search engine punishment, the light reduces the weight then is K, in order to minimize the risk, stationmaster generally through 301 permanent Redirect Technology carries on the new old link replacement , different search engines to 301 of the response speed is not the same, Google as the world's most ma
large number of device files.
Custom naming rules: In the default Linux rule file, udev defines the kernel device name for all devices in/dev/, such/dev/sda、/dev/hda、/dev/fdAnd so on. Because udev runs in user space, Linux users can flexibly generate device file names with strong identifiers through custom rule files, such/dev/boot_disk、/dev/root_disk、/dev/color_printerAnd so on.
Set Device Permissions and owner/group: udev can set the permission a
The iptables firewall can be used to create filters and NAT rules. All Linux distributions can use iptables. Therefore, understanding how to configure iptables will help you manage Linux firewalls more effectively. If you contact iptables for the first time, you will think it is very complicated, but once you understand how iptables works, you will find it very simple.First, we will introduce the structure of iptables: iptables-> Tables-> Chains->
Examples of common rules for YII rules, yiirules example
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 '),//Ch
How can multiple css rules in a tag be displayed on the page ?, Css rules
The impact of inline, external, and embedded on the pages involved in css learning over the past two days:1. inline style ----- write the css Code directly in html. Use the Inline CSS can effectively reduce HTTP requests, improve page performance, and relieve server pressure. The page can be rendered only after the CSS file is loaded
Arris-22 marketing rules (22 Business Rules) 22 marketing rules (22 Business Rules)
1. Market Leading Regulations
"First" is better than "best"
Many people think that the basic task of marketing is to make potential users believe that you can provide better services.
.
This is not the case. If you only have a small mar
Modify SQL database sorting rules Modify Table column sorting rules modify SQL database sorting rules: 1. change to single-user mode 2. close all query windows and modify the Collocation attribute of Options, for example, Chinese_PRC_90_CI_AS3. modify the table column sorting rule in the multi-user mode: You can specify the corresponding
Modify SQL database sort
SQL SERVER sorting rules are usually not used many times, and many beginners may be unfamiliar, but some
A common error occurs when you query a database that is connected to multiple tables in different databases.
If the default Character Set of the library is different, the system will return the following error:
"The sorting rule conflict for equal to operations cannot be resolved ."
I. Error Analysis:This error is caused by inconsistent sorting
Variable naming rules ------ Hungarian naming rules!
A few years ago, Charles Simonyi (who later became a well-known programmer at Microsoft) designed a post-fix-based naming method known as "Hungary notation" to remember him. his idea is to give each identifier a prefix based on its meaning. microsoft later adopted this idea to give each identifier a prefix to describe its data type. therefore, the prefix
Reprint: http://www.open-open.com/lib/view/open1417528754230.htmlIn real life, rules are everywhere. Laws, regulations and systems are all; for enterprise applications, rules are applied in many areas of it technology, such as routing tables, firewall policies, and even role permission control (RBAC), or URL matching in a web framework. Regardless of the rules, a
The following may be the form data to be submitted {code ...} I intend to write an OrderFormmodel to verify the data. products corresponds to a model, and there is also a model for Form Verification marketing, there is also a Form Verification OrderForm rules should... the following may be the form data to be submitted:
phpArray( [products] => Array ( [0] => Array ( [product_id] => 12
Front-end CSS naming rules and CSS naming rules
This article summarizes various CSS specifications in Web Front-end development, including file specifications, annotation specifications, naming rules, writing specifications, and test specifications.1. File specifications 1. All files are archived to the specified directory. The specific requirements are explained
One of the strengths of yii2 is its Form component, which is convenient and secure. This article introduces the rules custom verification rules in yii2. For more information, see its Form component. Some friends feel that they have been using yii for a while. well, it seems nothing except tp.
The leader arranged for a registration function. this guy is refreshing Baidu, what a good form style, and Baid
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