A simple introduction to Java reflection

1. A brief introduction to class A Class of Class represents a Class and interface in a running Java application. Enumeration is a kind, an annotation is an interface, and each array also belongs to a Class reflected as a Class object, which is shared by all arrays with the same element type and dimension. Primitive Java types (boolean, byte, c ...

Posted by jasonman1 on Sat, 07 Dec 2019 08:22:15 -0800

es6 foundation 0x008: Deconstruction assignment

0x000 overview To be honest, deconstruction assignment is very popular, especially when it is used with other es6, so how to simply say that deconstruction assignment, for example: Deconstruction assignment is a coin splitting machine. Put all dimes into the coin splitting machine, he will automatically divide all the coins and take out what yo ...

Posted by evildj on Sat, 07 Dec 2019 07:52:33 -0800

Angular UI router and AngularJS implement dynamic (lazy) loading modules and dependencies through ocLazyLoad

What is UI router UI router is one of the most useful components of the AngularUI Library (the AngularUI library is built by the AngularJS community). It is a third-party routing framework that allows interfaces to be organized through state mechanisms rather than simple URL routing.   What is ocloadload Ocloadload is the module on demand loade ...

Posted by jaymc on Fri, 06 Dec 2019 23:30:57 -0800

Tomcat8 restricts specified domain name or IP access

Environmental Science:  Tomcat8.0.53Objectives:Set to use the specified domain name or IP access 1. SET domain name access 1.1 open the server.xml file of the conf directory under Tomcat and find the following information Modify Engineengine specifies the default host name to process the request, which is at least the same as the name at ...

Posted by weemee500 on Fri, 06 Dec 2019 20:26:20 -0800

python - multi process crawling fish high beauty image - version 2.0

https://www.cnblogs.com/summer1019/p/10364469.html This is a picture I wrote a few days ago about "multi process crawling for beautiful women with high beauty". Today, I have nothing to do to climb for some new beautiful anchors-_- But didn't crawl to any content. Open the source code of the web page and find that the property of the ...

Posted by pfchin on Fri, 06 Dec 2019 19:24:51 -0800

How do I sort dictionary lists by dictionary values?

I have a list of dictionaries that I want each item to be sorted by a specific attribute value. Consider the following array, [{'name':'Homer', 'age':39}, {'name':'Bart', 'age':10}] When sorting by name, it should be [{'name':'Bart', 'age':10}, {'name':'Homer', 'age':39}] #1st floor Using Perl's Schwartzian transformation, py ...

Posted by fatnjazzy on Fri, 06 Dec 2019 13:00:39 -0800

js callback hell alternative solution attempt

For example, to obtain the information of the school where the students are, you need to first query the class where the students are, and then query the information of the school where the students are. js code is similar to the following: function getStudentSchool(id) { ajax.get("/Test/GetStudent", { "studentId": id }, function (stude ...

Posted by kazuki on Fri, 06 Dec 2019 09:16:47 -0800

Element input box with history query record

Requirement description Add the query box on the page to display the history search record Realization and pit record Use the Element input box with input suggestions to achieve this requirement. Usage details Official website 1. Pit 1: cannot return array directly in querySearch, must call callback function cb to process data Take a look at t ...

Posted by Concat on Fri, 06 Dec 2019 00:26:58 -0800

Statistics of on-line number of listeners

Implementation ideas The common process is that the standard mvc is the login form. The user submits the data to the login check. If the login check is passed, the session event will be triggered, saved and entered the online personnel list. The page will jump to the online user list. If the user logs out, it will be deleted from the online lis ...

Posted by Kurrel on Fri, 06 Dec 2019 00:03:33 -0800

Python - @property method changes properties

@property @property is a built-in decorator. It works the same way as ordinary decorators, except that the returned function is not a function, but a class object @Property is responsible for turning a method into a property to be called to ensure necessary checks on parameters. Property has three decorators: setter, getter, and deleter. Whe ...

Posted by p.persia69 on Thu, 05 Dec 2019 21:07:52 -0800