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  Summary of built-in methods for string types

  Version: python3.6 classifies and summarizes the built-in methods of strings when looking at the built-in functions of bulitins. The category method description example looks for string.find (sub, start=None, end=None) in the specified norm

  2022-06-03 04:53:58 Views: 271
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  Storm High availability

  Original http://www.cnblogs.com/cjsblog/p/8406401.html

  2022-06-03 04:53:57 Views: 227
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  Appium-mac-install record

  Bogon:/ zhouhaijun$ sudo cnpm install-g appium@1.7.1Password:Downloading appium to / usr/local/lib/n

  2022-06-03 04:53:57 Views: 253
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  Download the VisualStudioCode plug-in

  If you want to install the plug-in for vscode offline, you need to download the template https://${publisher}.ga linked to the official website of the plug-in https://marketplace.visualstudio.com/vscode first.

  2022-06-03 04:53:57 Views: 269
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  Install SPARK and SCALA

  1. Download spark http://mirrors.cnnic.cn/apache/spark/spark-1.3.0/spark-1.3.0-bin-hadoop2.3.tgz2, download scalahtt

  2022-06-03 04:53:56 Views: 255
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  Preliminary application of SparkSQL (HiveContext use)

  After tossing about all day, I finally solved the error of result3 in the previous section. As for why this error occurred, here, let's take a look at how the problem was found: first, I found this article: http://apache-spark-user-lis

  2022-06-03 04:53:56 Views: 259
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  Xcode10 adapts to pod update Error

  Error:Multiple commands produceXcode10 Apple officially launched iOS12 and updated its latest iOS and Xcode10 this morning. This update is OK, there is no need for us to make emergency repairs and major changes to previous projects.

  2022-06-03 04:53:56 Views: 276
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  Types and methods of software testing

  Types and methods of software testing

  2022-06-03 04:53:55 Views: 233
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  Big data technical literacy, you must know these points

  Although life is not a wasted road, the new year comes, will still be the original knowledge, people's worth is there, no matter how much trouble, will not get a better offer. Therefore, it is very important to learn more when you are young, to find your own shortcomings, and to check and fill the gaps. * * Today's editor

  2022-06-03 04:53:51 Views: 233
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  Jmeter- sends JDBC request

  I spent two hours in the afternoon studying Jmeter sending JDBC requests, and now share the basic operation flow. To make a JDBC request, you first need two jar packages: mysql driver-mysql-connector-java-5.1.13-bin

  2022-06-03 04:53:51 Views: 269
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  The fifth part of the detailed explanation of disk and file system management

  Partition-> create file system (format) file system management re-create a file system will damage the original file fdisk / dev/sda cannot be deleted in it, press ctrl+Backspace to partprobe / dev/sda only detect this

  2022-06-03 04:53:51 Views: 228
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  Introduction to the use of cassandra-stress pressure Test

  Cassandra comes with the cassandra-stress stress testing tool from an early version, and its usage adds commands and options after cassandra-stress. The commonly used commands are generally only used: write, read, mi

  2022-06-03 04:53:50 Views: 262
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  Seminar on the Application of Pure Front-end form Technology-- Huawei supply chain

  In recent years, with the rapid development of the Internet industry, the demand in emerging areas such as big data, cloud computing and Smart + at the enterprise business level shows explosive growth, leading to technological innovation and a surge in demand for HTML5 and pure front-end technology. Grape City, as a deep ploughing control and component technology for 30 years

  2022-06-03 04:53:45 Views: 216
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  HDFS Lab (3) hadoop Node configuration

  Vi / etc/hosts add Node dns Information 192.168.209.157 node1192.168.209.158 node2192.168.209.159 node3vi / etc/profile

  2022-06-03 04:53:42 Views: 248
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  Namenode gc failure and solution record

  Question: WARN org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager: Waited 19016 ms (timeout=20000

  2022-06-03 04:53:39 Views: 242
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  Installation and configuration of spark development environment

  Install the spark development environment on window, 1, install the java http://www.oracle.com/technetwork/java/javase/downloads/index.html configuration environment variable

  2022-06-03 04:53:39 Views: 208
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  Intercepting characters in a string in LoadRunner

  Action {char * name;char * passwrod;name = "ABCDEFGH"; passwrod = name + 3; / / start the value lr_ouput after the third character of name

  2022-06-03 04:53:38 Views: 217
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  Implementation of Redis Cluster lua

  Don't say a word, just load the goods. A lot of communication, ha, thank you to all the gods.. The key point is the following paragraph: Object object = redisTemplate.execute (redisUpdateOrderScript,// has k here

  2022-06-03 04:53:38 Views: 248
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  Pycharm introduces django

  Django has been installed on mac, dependent on python3.6.0, and project interpreter has been adjusted to 3.6.0 file-- impor in file-- > default setting on pycharm

  2022-06-03 04:53:38 Views: 223
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  Discussion on the possibility of data loss in kafka and why kafka has high throughput

  Why is high throughput an advantage in kafka on Friday, 2019-2-22? see the following four advantages. 1. When creating a topic, you can specify the number of partitions at the same time. The more the number of partitions, the greater the throughput, but the more resources are required, which will also lead to higher unavailability.

  2022-06-03 04:53:38 Views: 294