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  • Excel to Json tool (Resource allocation Foundation)

    Excel to Json tool (Resource allocation Foundation)

    First, version 1.0.0.0 tool features: ①, supports field types (int / float / string / bool / int [] / float [] / string [] / bool []) ②

    Shulou · 2022-06-03 06:53
  • AI quantitative transaction (1)-- A brief introduction to quantitative transaction

    AI quantitative transaction (1)-- A brief introduction to quantitative transaction

    AI quantitative transaction (1)-- quantitative transaction introduction 1. Quantitative transaction introduction quantitative transaction is based on mathematical model as trading thinking, based on historical data, mathematical modeling, statistical analysis, programming design as tools, using computer technology to select from huge historical data.

    Shulou · 2022-06-03 06:53
  • Analysis of Common Test results of LoadRunner

    Analysis of Common Test results of LoadRunner

    In the course of testing, the following common test situations may occur: first, when the response time curve of the transaction begins to rise slowly, then it is in equilibrium, and finally decreases slowly this situation shows that: * the continuous increase in the response time curve of the transaction indicates that the processing capacity of the system is declining and the response time of the transaction

    Shulou · 2022-06-03 06:53
  • Qpid lesson 2 configuring Boost dependent Library Environment variables

    Qpid lesson 2 configuring Boost dependent Library Environment variables

    The scenario Qpid relies on the Boost library. In general, when you use CMake to generate a VS solution, you need to specify the boost header file and the library file directory, otherwise there will be the following compilation error prompt: Could not find the followin

    Shulou · 2022-06-03 06:53
  • Final description of fiddler capturing https

    Final description of fiddler capturing https

    "Fiddler grab bag Fast actual Battle" address: in the video of http://edu.51cto.com/course/9038.html, there are always children's shoes that can't catch https. In fact, according to the explanation of the video, it is possible for us students to do so.

    Shulou · 2022-06-03 06:53
  • Resource isolation of yarn

    Resource isolation of yarn

    In the last week, I have been working on the resource isolation of yarn, and I have re-read the previous books about yarn. This time, I will write a summary of my work. The reason for resource isolation is that there are many teams within the company that are using yarn to submit a variety of

    Shulou · 2022-06-03 06:53
  • Solve several difficult problems in report making by report tools such as Jasper

    Solve several difficult problems in report making by report tools such as Jasper

    When making business reports, we often encounter some problems that are difficult to solve by relying on report tools alone. Aiming at the practical problems raised by several users of Jasper reporting tools in foreign forums, this paper introduces how to use the aggregator SPL language to solve the problem. The solution here is actually not

    Shulou · 2022-06-03 06:53
  • How to achieve clarity and fluency in the live broadcast process

    How to achieve clarity and fluency in the live broadcast process

    With the development of live broadcast technology and competition within the industry, the technical requirements for the development of live broadcast app software are gradually improving. When developing live broadcast app software, we Tuofang Technology often reserve the function of bit rate switching in the background of the system, which makes it convenient for the operation team to adjust frame rate and bit rate, and coordinate clarity, fluency and

    Shulou · 2022-06-03 06:53
  • Experience in the use of OpenModelSphere Modeling tool

    Experience in the use of OpenModelSphere Modeling tool

    Concept Data Model (2 Logical Data Model (3 Then I configure the target database to be the oracle 11g)

    Shulou · 2022-06-03 06:53
  • Hadoop Certification examination system (related to CDH)

    Hadoop Certification examination system (related to CDH)

    About CCA, CCP series certification CCA Administrator Exam (CCA131) administrator certification preparation recommendations: Administrator administrator training exam form: 120 minutes; 70% pass; based on a preconfigured

    Shulou · 2022-06-03 06:53
  • Lesson 93: SparkStreaming updateStateByKey basic operation synthesis case practice and insider source code decryption

    Lesson 93: SparkStreaming updateStateByKey basic operation synthesis case practice and insider source code decryption

    Spark Streaming's DStream provides us with a updateStateByKey method, and its main function is to maintain a state form for each key in Spark Streaming over time.

    Shulou · 2022-06-03 06:53
  • How does Youjian 4412 development board highlight assembly code in source insight?

    How does Youjian 4412 development board highlight assembly code in source insight?

    How does Youjian 4412 development board highlight assembly code in source insight? When the 4412 development board does ARM embedded development, sometimes it has to assemble the code, but when establishing PROJECT and ADD TREE in SIS, it is not according to the default setting.

    Shulou · 2022-06-03 06:52
  • Seven principles of Software Engineering

    Seven principles of Software Engineering

    1. Strict management with phased life cycle plan 2, adhere to phase review 3, implement strict product control 4, adopt modern programming techniques 5, the results should be clearly reviewed 6, the development team should be small and sophisticated 7, recognize the need for continuous improvement of software engineering practices

    Shulou · 2022-06-03 06:52
  • Big data platform HDP construction

    Big data platform HDP construction

    Apache Ambari is an Web-based open source tool that supports the supply, management and monitoring of Apache Hadoop clusters. Ambari already supports most Hadoop components, including HDFS, MapReduce, and Hive

    Shulou · 2022-06-03 06:52
  • Create 50000 new subdirectories

    Create 50000 new subdirectories

    A script that creates 50000 subdirectories under a directory to test performance, such as whether EXT4 is converted successfully, because EXT4 supports unlimited subdirectories. The script is as follows: #! / bin/bashi=1while [$I-le 50000] do

    Shulou · 2022-06-03 06:52
  • The basic condition of being competent in Game Test-- Be a G Tester

    The basic condition of being competent in Game Test-- Be a G Tester

    Hard indicator game testers (hereinafter referred to as testers or G ·Tester) are similar to software testers in the nature of their work, and they also have to do test plans, test cases, functional tests, performance tests, regression tests, usability tests, and so on.

    Shulou · 2022-06-03 06:52
  • Spack installation and use

    Spack installation and use

    Premise: JDK1.8, non-secret interworking, zookeeper,hadoop uses server list masterslave1slave2192.168.3.58192.168.3.54192.168.3.31QuorumPe

    Shulou · 2022-06-03 06:52
  • SDK docking of Dahua webcam

    SDK docking of Dahua webcam

    1) there are 04. 0 in the demo program\ Mfc category Demo. Capture figure 19 remotely. Functions such as gun-ball interaction indicate that there are two / / encoding formats for video and audio data formats, including audio and video struct AV_CFG_EncodeFormat {AV_int3

    Shulou · 2022-06-03 06:52
  • One of the introductory tutorials for Kafka: installation

    One of the introductory tutorials for Kafka: installation

    one of the getting started tutorials for Kafka: install.note-content {font-family: 'Helvetica Neue', Arial,' Hiragino Sans

    Shulou · 2022-06-03 06:52
  • The Architecture and principle of Yarn Resource scheduling system

    The Architecture and principle of Yarn Resource scheduling system

    This article discusses the solution of the architecture and principle of Yarn resource scheduling system. The content of the article is of high quality, and friends in need can learn and learn from it. 1. Yarn introduction & ensp;  Apache Hadoop YARN is

    Shulou · 2022-06-03 06:52