JDK 14 was officially released on the 17th. Some features deserve attention

JDK 14 was officially released on March 17, 2020, but there are still some new features that deserve attention.If you find my writing helpful, I hope to get your attention! 1. Pattern matching of instanceof: Instanceof is an instance in java that checks whether an object reference is of a given Type type and returns a Boolean value.Before Java ...

Posted on Wed, 18 Mar 2020 21:02:54 -0400 by angelkay73

xsequence distributed serial number generation component version 1.0 is finally released

1, Frontiers After a day's tossing, I finally released the jar of xsequence to maven. After that, I have the motivation to start, maintain some documents, and constantly upgrade and improve this component. After each upgrade, a document will be maintained to explain some new features and usage. 2. Source address https://gitee.com/xuan698400 ...

Posted on Wed, 18 Mar 2020 11:38:52 -0400 by kaeRock

Spring cloud eureka service registration

@[toc] Introduction to Spring cloud Spring Cloud is an orderly collection of frameworks. It makes use of the development convenience of Spring Boot to ingeniously simplify the development of distributed system infrastructure, such as service discovery registration, configuration center, message bus, load balancing, circuit breaker, data monitor ...

Posted on Wed, 18 Mar 2020 08:40:45 -0400 by bmyster

How to obtain IMEI / ESN of device programmatically in android?

In order to uniquely identify each device, I want to use IMEI (or ESN number of CDMA device). How can I access it programmatically? #1 building Come from: http : //mytechead.wordpress.com/2011/08/28/how-to-get-imei-number-of-android-device/ : The following code helps you get the IMEI number of your Android device: TelephonyManager ...

Posted on Wed, 18 Mar 2020 08:36:11 -0400 by caminator

SSM integration and construction

This SSM integration is built by referring to the SSM integration of shangsilicon valley. The kids who need video can go to station B to find out Our project uses Maven to build, so first create a maven project Then choose a simple project   Changing the following jar to war represents a dynamic web project   After we create it, we will find t ...

Posted on Wed, 18 Mar 2020 03:05:33 -0400 by monloi

python implements automatic logon implementation code for websites with authentication codes

This example logs in to a website that requires a username, password, and authentication code, where python's urllib2 is used to log in directly to the site and handle the cookies for the site Earlier I heard that it is very convenient to use python as a web crawler. Just these days, units also have thi ...

Posted on Tue, 17 Mar 2020 14:07:14 -0400 by Browzer

Spring annotation - component registration

The emergence of Spring Boot greatly simplifies our development, so that we don't need to write complicated configuration files. It just makes use of the convenience of annotation, and Spring Boot relies on Spring, so it is necessary to study Spring annotation in depth. Component registration related notes @Configuration Write on the class, ...

Posted on Tue, 17 Mar 2020 09:52:20 -0400 by PHP-Editors.com

Cocos2dx game tutorial: "see the needle", UserDefault data storage and reading

We have introduced the use of the first two scenarios, involving several core classes, menus, label labels, etc. in the middle, we have also realized the switching of the two scenarios and the display of the level numbers. So how do we record game related information? Next, we will go to the data store ...

Posted on Tue, 17 Mar 2020 07:52:22 -0400 by bubatalazi

Introduction to Ajax

Ajax: "Asynchronous Javascript And XML,", It's not new technology, it's just the integration of the original technology. 1. Use CSS and XHTML to represent. 2. Use DOM model for interaction and dynamic display. 3. Use XMLHttpRequest to communicate with the server asynchronously. 4. Use jav ...

Posted on Tue, 17 Mar 2020 07:00:21 -0400 by wit77

Filter, listener, interceptor

Connection among filter, listener and interceptor   Filter Mainly used to preprocess user's request Through Filter technology, we can manage all resources of Web server (such as jsp, html, static resource file, etc.) and intercept them, so as to realize some special functions (such as implement ...

Posted on Tue, 17 Mar 2020 04:13:08 -0400 by abushahin