Tag:Engineering

  • IntelliJ remote debugging spark source code example

    Time:2020-3-26

    Environment and version OS:centos 7 JDK version: 1.8 Spark version: 2.1.0 Scala version: 2.11 IDE:intellij idea 14.1.4 Precondition Compile spark source code and import IntelliJ Write sample code Create a new Scala project in IntelliJ, named “remotedebugsparkappdemo”, add the dependency of spark2.1.0, and write the following example code: package com.demo import org.apache.spark.{SparkConf, SparkContext} object MainApp […]

  • Mybatis reverse generation

    Time:2020-3-23

    Mybatis reverse generation brief introduction Reverse engineering literally means reverse generation engineering. Like hibernate, mybatis also has its own reverse engineering tools. I haven’t done the reverse generation of hibernate When using reverse engineering, it should be noted that the relationship between tables cannot be mappedIn other words, the reverse engineering of mybatis generates single […]

  • Gradle core (4): gradle plug-in

    Time:2020-3-21

    Blog Homepage This article mainly talks about Java gradle plug-ins, Android gradle plug-ins and custom plug-ins Gradle plug-in There are many plug-ins built into gradle, among which the Android gradle plug-in is based on the built-in Java plug-in. Apply a plug-in The application of plug-ins is throughProjectOfapplyMethod, and plug-ins are divided into binary plug-ins and […]

  • [webback series] analysis of the principle of webback

    Time:2020-3-18

    I. Preface Now with the complexity and scale of front-end development increasing, eagle can’t develop independently without engineering. For example, the JSX code of react must be compiled before it can be used in the browser. For example, sass and less code browsers are not supported. If these development frameworks are abandoned, the development efficiency […]

  • Front-end Road

    Time:2020-3-9

    This article will be a summary, an outline. I will list some things to learn in the front end   1: The way of interview 2: browser 3: Network protocol 4: Design pattern 5: Engineering 6: Performance optimization 7: Front end security 8: Automated testing 9: Tool debugging 10: Algorithm and data structure 11: applet […]

  • Maven quick start

    Time:2020-3-6

    Maven quick start 1、 About maven 1. What is Maven?     Maven is a project management tool, which contains these logic: a project object model, a set of standard collections, a project lifecycle, a < U > dependency management system, and a goal for running plug-ins defined in the phase phase. When you use maven, you […]

  • Using jsoncpp in C + +

    Time:2020-3-3

    In the previous project, our client program has been using XML to communicate with the server. Recently, some interfaces have been added to use the simpler JSON. We all know that because JSON syntax is a subset of JavaScript object representation syntax. So it is very pleasant to use in Java, JavaScript and other languages. […]

  • A background project of TCP long connection device management (7)

    Time:2020-3-2

    Previous articles A TCP long connection device management background project (1)A TCP long connection device management background project (2)A TCP long connection device management background project (3)A TCP long connection device management background project (4)A background project of TCP long connection device management (5)A TCP long connection device management background project (6) GitHub warehouse address […]

  • A TCP long connection device management background project (8)

    Time:2020-3-1

    Previous articles A TCP long connection device management background project (1)A TCP long connection device management background project (2)A TCP long connection device management background project (3)A TCP long connection device management background project (4)A background project of TCP long connection device management (5)A TCP long connection device management background project (6)A background project of […]

  • IntelliJ exports the running jar and some common problems

    Time:2020-2-29

    From: http://blog.csdn.net/aotian16Artifacts Config File -> Project Structure -> Artifacts -> + -> From modules … You can choose the second one: copy to the output Build Artifacts Build -> Build Artifacts Note: select the path of meta-info / manifest.mf If the project structure does not correspond, the main file cannot be found, and the path […]

  • Composer uses Alibaba cloud full image

    Time:2020-2-28

    Alicloud image official website: https://developer.aliyun.com/ Global configuration (recommended) all projects will use this image address: composer config -g repo.packagist composer https://mirrors.aliyun.com/co…Unconfiguration: composer config -g –unset repos.packagistProject configuration only modifies the current project configuration, and only the current project can use this image address: composer config repo.packagist composer https://mirrors.aliyun.com/co…Unconfiguration: composer config –unset repos.packagistDebug the composer command […]

  • Git submodule git submodule management related operation notes

    Time:2020-2-24

    Some command notes related to the operation of GIT sub module: #When a project using git clone has a submodule, the content of the submodule will not be downloaded automatically at the initial time, and the following commands need to be executed:; Git submodule update — init — recursive. When using git clone with submodule […]