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  • Good programmers love to write.

    Good programmers love to write.

    Comments are also writing. as far as I know, good programmers love writing (not just blogging in a narrow sense). If you can name some exceptions, please let me know. Why would you say that? A good programmer wants to share a piece of open source code, if other programmers can't understand it, his frustration.

    Shulou · 2022-06-03 06:28
  • Construction of Hadoop environment based on independent mode

    Construction of Hadoop environment based on independent mode

    For Hadoop, there are two main aspects, one is distributed file system HDFS, the other is MapReduce computing model. The running environment of building Hadoop is mainly divided into three kinds: independent mode environment, pseudo-distributed environment and completely distributed environment. I. Independence

    Shulou · 2022-06-03 06:27
  • Construction of python+selenium Automated Test Environment

    Construction of python+selenium Automated Test Environment

    Selenium is an automated testing tool for web, and many students with automated learning functions begin to choose selenium, because it has many points compared with QTP: * free, no longer bother to crack QTP * compact, for different languages it is just

    Shulou · 2022-06-03 06:27
  • Share 18 hands of IT big data

    Share 18 hands of IT big data

    "IT 18 hands big data internal skills training to enterprise actual combat 2.0 course" free self-study marathon plan 1, about 18 hands learned big data, or dare not look for a job? The internal skill is not enough! Follow the eighteen masters Xu Peicheng to practice internal skills! Eighteen palm education strives to create a set of the strongest on the surface [big data + cloud computing].

    Shulou · 2022-06-03 06:27
  • Build stand-alone Hadoop

    Build stand-alone Hadoop

    1. Download hadoop-2.7.3.tar.gz http://www.apache.org/dyn/closer.cgi/hadoop/common/hadoop-2.7.3/hadoop-2.7.3.

    Shulou · 2022-06-03 06:27
  • The data rookie becomes a soul painter in a second.

    The data rookie becomes a soul painter in a second.

    The Singles' Day is just around the corner. Do you, who are still doing the data visualization interface, also want to chop your hands? You who complain that it is too difficult to build data icons, and you who have not come into contact with data visualization applications and want to have a perfect visual interface, hurry up and grasp this lifesaver! DataV's blockbuster visual artifact-

    Shulou · 2022-06-03 06:27
  • Debug js directly using sublime

    Debug js directly using sublime

    Download node.jstool- > Bulid System--- > new Bulid System---- > paste the following statement:-- Save-Select Node--console.log debugging {"cmd"

    Shulou · 2022-06-03 06:27
  • Release application process of test process management

    Release application process of test process management

    Follow the documents around the content project test in the previous section, and share the release application list and defect tracking management form today. For small projects, the release application list is completed and reviewed by the project manager, and then delivered to the deployer for direct release. But in strict project specifications, this approach is not feasible, especially for large projects.

    Shulou · 2022-06-03 06:27
  • On the Blind spots of domestic Software testing and the differences between China and Foreign countries

    On the Blind spots of domestic Software testing and the differences between China and Foreign countries

    I have worked for more than two years. Although I have done development in the middle, managed the server, and served as BA, I spent most of my time in professional testing or test management. I have come into contact with seven or eight large and small projects at home and abroad, of course, many of them are parallel. From ordinary personnel to management, they are satisfied with their own growth and career development.

    Shulou · 2022-06-03 06:27
  • Mybatis source code analysis [02.XMLConfigBuilder]

    Mybatis source code analysis [02.XMLConfigBuilder]

    / / BaseBuilder attribute public abstract class BaseBuilder {/ / requires configuration, type alias registration, type handler registration 3 things protected final Conf

    Shulou · 2022-06-03 06:27
  • Webservice call

    Webservice call

    The first method: download the package of apache cxf and use the wsdl2java tool to generate the java client, which fails to solve the problem with authentication. The second method: generate the client based on the wsdl file, and no solution has been found. Finally, use httpclient to solve the problem

    Shulou · 2022-06-03 06:27
  • Advanced Software testing self-study Manual v4.0 (fundamentals, performance, Mobile APP, Automation)

    Advanced Software testing self-study Manual v4.0 (fundamentals, performance, Mobile APP, Automation)

    In recent years, more and more people have joined the testing army, and many people also want to learn software testing technology to join the industry through self-study, but now there are more and more books on software testing, and there are more and more technologies involved in software testing. In view of this situation, in order to repay you, I will rewrite it.

    Shulou · 2022-06-03 06:27
  • 33.Apollo introduces a third-party Jar package to compile

    33.Apollo introduces a third-party Jar package to compile

    one。 Preface after compiling the Apollo source code, we may modify the Apollo source code ourselves, add our own functions, and then compile it. A third-party Jar package is sometimes used to modify the code, so how do you package it into Apollo? two。 Modify pom.

    Shulou · 2022-06-03 06:27
  • Jenkins continuous Integration-user Management

    Jenkins continuous Integration-user Management

    First, based on the security matrix system management-> the role of Configure Global Security-related permissions: there are some special permissions: the maximum permission is Overall's Administer, with which you can do anything. Most

    Shulou · 2022-06-03 06:27
  • The declassification of Horae consensus Economic Community-- income Analysis

    The declassification of Horae consensus Economic Community-- income Analysis

    From the date of the launch of the Horae consensus economic community (August 15, 2018), I will continue to write and publish a series of articles on Horae consensus economic community analysis: (1) "Horae consensus economic community declassification-income analysis" (2) "Horae consensus economy"

    Shulou · 2022-06-03 06:27
  • [bug-004] [tcp] after the network is disconnected and reconnected, the client recv function blocks all the time and does not return

    [bug-004] [tcp] after the network is disconnected and reconnected, the client recv function blocks all the time and does not return

    [premise] after the client uses tcp blocking mode to establish a connection with the camera equipment, it suddenly fails to receive the data sent by the camera several times; after several investigations, it is suspected that it is related to the network fluctuation, so the network fluctuation is simulated by plugging the network cable, and sure enough, the bug reappears. [analysis] Why does the network

    Shulou · 2022-06-03 06:27
  • Centos7 Building RabbitMQ Cluster and stand-alone Multi-node deployment and theoretical Analysis of rabbitmq

    Centos7 Building RabbitMQ Cluster and stand-alone Multi-node deployment and theoretical Analysis of rabbitmq

    This blog briefly introduces the configuration and installation of rabbitmq single node and cluster, the command of using and rabbitmq, and the simple introduction of graphical interface to get to the point without saying much. First, introduce the history of rabbitmq:rabbitmq: RabbitM.

    Shulou · 2022-06-03 06:27
  • Block chain consensus certainty

    Block chain consensus certainty

    In the blockchain setting, certainty ensures that all valid blocks will not be revoked once they are submitted to the blockchain. When users make a transaction, they also want to ensure that the transfer operation can not be changed or cancelled at will after the transfer is completed. Therefore, certainty becomes crucial when designing blockchain consensus protocols.

    Shulou · 2022-06-03 06:27
  • Big data: Stream of configuring flink under Windows

    Big data: Stream of configuring flink under Windows

    What developers want most is to test in windows and then run the debugged program in a cluster. Write a Socket below, which is a local monitoring port to extract data in real time. Partners who obtain the documents in the video and the complete video.

    Shulou · 2022-06-03 06:26
  • Agile in a Flash: the principles behind the Agile Manifesto

    Agile in a Flash: the principles behind the Agile Manifesto

    Today, when I came across the book "Agile in a Flash", I had the impulse to read it at first glance. But a good book needs to be tasted slowly, and occasionally you will have different feelings when you turn it over. After reading part of it, I have the idea of translating it. On the one hand, I can slow myself down and study it carefully, on the other hand.

    Shulou · 2022-06-03 06:26