Programmer Group

Starting with Java 1.4, in order to replace Java IO and network-related APIs and improve the running speed of programs, Java has provided a new non-blocking API for IO operations, namely Java NIO. There are three core components in NIO: Buffer, Channel and Selector. NIO operates on Channel (channel) and Buffer (buffer). Data is always read fr ...

MongoDB synchronization principle, the official documents introduced less, online information is not too much, the following is a combination of official documents, online information and testing logs, sorted out a little.Because each fragment of MongoDB is also a replica set, only the synchronization principle of the replica set is needed. I. ...

(Part 2) A short story of imitating the template of the series ___________ of `Vue Ecology'. This mission Continue: Complete the first unfinished'Hot Update'configuration. Core: Complete the relevant compilation of'template analysis'module, many articles on template analysis are too shallow, this time we will discuss in depth, as much as pos ...

Introduction to Catalogue 01. Realization of Rule Waterfall Flow02. Realization of Irregular Waterfall Flow2.1 Implementation2.2 Problems encountered03. Pull-up Loading of Waterfall Flow04. Set up a dividing line for the waterfall flow05. Custom Manager Crash06. How to avoid refresh jitter07. Why does it sometimes jump?08. Waterfall Flow Pictur ...

Array Method Complete (Part 1) Note: The first time to write a blog is a little nervous, if there are errors, welcome to point out that if the coincidence is purely coincidental, this summary reference book JavaScript authoritative guide, interested partners can go to read it. join() method This method converts all the elements in the array int ...

An array of 10w records is rendered to the page at one time. How to deal with it without freezing the UI? Specification There is an empty unordered list node ul on the page, whose id is list-with-big-data. Now we need to insert 10w li into the list. The text content of each list item can be defined by ...

Basic Principles 1. Multiple rendering, single texture unit Previously, when we drew the basic graphics in Section 3, we drew a conclusion: In the example above, in the onDrawFrame, points, lines and triangles are drawn at the same time, that is to say, glDrawArrays are called many times and draw ...

The last summary: In fact, the basic principles of code development in the last article are almost the same, but there is an infinite nesting problem. Summarize the problems encountered by rich text: 1. Element cross-label processing 2. How to correctly select the elements you want 3. Partial li ...

confusion studio uses Proguard for confusion, a tool for compressing, optimizing, and confusing java bytecode files. Functions: Shrinking, Optimizing, Obfuscattion, Preverification. Advantage: 1. Delete the unused resources of the project to effectively reduce the apk size; 2. Delete useless classes, class members, methods and attribute ...

web Development of SpringBoot Introducing projects Internationalization of login pages Sign in Interceptor RESTful thymeleaf Extraction of Elements from Public Pages List CRUD Error handling mechanism Introducing projects Put the html page under the template engine folder templates, so that you ...