Programmer Group

1. Jump to login page after Auth middleware check That is, they fail the authentication check of the auth middleware, are intercepted by the auth middleware, and then jump to the login page.In this case, Laravel automatically jumps back to the page that was browsed before the user logged in by default.How does auth middleware do this? Open th ...

https://blog.csdn.net/xiaoxsen/article/details/79050842 Note: Close the firewall Prerequisite: Prepare three server nodes to install and deploy Zookeeper and ActiveMQ. My three nodes are 192.168.1.130, 192.168.1.163 and 192.168.1.165, respectively. Inst ...

1.Cascade is a cascade action. In many_to_one, if cascade is used to cascade related objects, the following code can cascade to save Category objects. Mapping File Settings in Book <many-to-one name="category" column="cid" cascade="save-update"/> When saving a book, if the corresponding category of the book is not saved, save the c ...

From: https://icewing.cc/post/about-cross-origin.html Access-Control-Allow-Origin Problem Access-Control-Allow-Headers Problem cookie problem OPTIONS request Complete code In the past two days, we have to study the cross-domain problem because we need to use angular's $http service to access data and the interface is under another ...

I. Project Introduction WebSocket is a new protocol of HTML5. It realizes full-duplex communication between browser and server. Here we will use WebSocket to develop web chat room. The front-end framework will use AmazeUI, the background will use Java, and the editor will use UMEditor. II. Knowledge Points Web front-end (HTML+CSS+JS) and Jav ...

The Touch event delivery mechanism of Android only knows the process after events are passed into Activity, but how these events are passed to Activity has been unclear. Now let's go back and sort out a few things and share them with you. The source code was used to share the creation and loading of View and the drawing process of View. ...

Scene analysis In web applications, almost all of our systems involve the processing of privileges. How to design privileges and control privileges is a problem we can not ignore in Web development. Although there are many excellent security processing frameworks like spring security and shiro in the open source world, their requirements are re ...

Summary of usage of python requests Requests is a very practical Python HTTP client library, which is often used when writing crawlers and testing server response data. It can be said that Requests fully meet the needs of today's network This article is all from official documents. http://docs.python-requests.org/en/master/ pip install req ...

Let's talk about the actual scene. In our development, we have the following scenarios a) Close idle connections. There are many client connections in the server, which need to be closed after a period of idle time. b) Caching. Objects in the cache need to be removed from the cache because they exceed the idle time. c) Task timeout processing. ...

Catalogue 1. Configuration 2. Start all servers of zookeeper pseudo cluster 3. Access Client 4. Writing startup scripts 1. Configuration zookeeper download address: http://mirrors.cnnic.cn/apache/zookeeper/zookeeper-3.4.6/  Deploy three servers on a machine, create a folder zookeeperLab under the specified folder, create three folders server ...