CourseElementary54125
Course Introduction:"HTML5 From Beginner to Mastery Tutorial" introduces in detail that HTML5 has added a lot of new content based on HTML, with more functions and more dazzling effects.
CourseElementary26927
Course Introduction:"Javascript Basics Tutorial" will take you to quickly learn the basic knowledge of javascript and explain it through examples, so that you can better understand the javascript scripting language.
CourseElementary30791
Course Introduction:This tutorial will start from the basics and does not require you to have any programming knowledge. The "HTML Tutorial" contains our knowledge of HTML5, truly achieving a comprehensive learning of HTML.
CourseElementary24063
Course Introduction:"HTML5 Quick Self-Study Tutorial" is suitable for zero-based entry learning of HTML5. HTML5 is the fifth version of HTML development. With the support of browser technology, it has also begun to be widely used. H5 will become the new standard for WEB development. This course will provide readers with Explain all the core features of HTML5.
CourseElementary90667
Course Introduction:"JavaScript Elementary Tutorial" is an introductory course to JavaScript, designed to let everyone know and understand the common knowledge of JavaScript.
python - Can I execute the source statement using pyhive?
2017-06-28 09:22:35 0 1 1504
hadoop - Use python hdfs module or other similar modules to filter log log content on HDFS
2017-06-13 09:24:45 0 1 930
Course Introduction:The founder of Hadoop is Doug Cutting, who is also the founder of the famous Java-based search engine library Apache Lucene. Hadoop is written in Java, so Hadoop naturally supports Java language writing jobs. Of course, other languages also have tools provided by Hadoop.
2019-05-27 comment 04677
Course Introduction:Yes, although Hadoop is written in java, Hadoop provides Hadoop stream. Hadoop stream provides an API that allows users to write map functions and reduce functions in any language.
2019-10-14 comment 04232
Course Introduction:How to install Hadoop in Linux: 1. Install the ssh service; 2. Use ssh to log in without password authentication; 3. Download the Hadoop installation package; 4. Unzip the Hadoop installation package; 5. Configure the corresponding files in Hadoop.
2021-12-17 comment 111646
Course Introduction:With the advent of the big data era, traditional relational databases can no longer meet the storage and processing needs of massive data. In order to meet this challenge, people began to explore new database technologies, among which Hadoop database is currently the most popular big data storage and processing technology. As the most popular web development language at present, PHP is gradually being used in the development of Hadoop database. The following will introduce the application of PHP and Hadoop database. Hadoop database Hadoop is an open source distribution
2023-06-19 comment 0766
Course Introduction:Java Errors: Hadoop Errors, How to Handle and Avoid When using Hadoop to process big data, you often encounter some Java exception errors, which may affect the execution of tasks and cause data processing to fail. This article will introduce some common Hadoop errors and provide ways to deal with and avoid them. Java.lang.OutOfMemoryErrorOutOfMemoryError is an error caused by insufficient memory of the Java virtual machine. When Hadoop is
2023-06-24 comment 01681