Installation of mysql decompressed version

1. Download MySQL Community Server from the official website 2. Adding environment variables path=%MYSQL_HOME%/bin 3. Copy my-default.ini file under the root directory and rename it my.ini. The configuration is as follows: # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/5.6/ ...

Added by jucedupp on Fri, 17 May 2019 21:11:31 +0300

Android Official Database Room -- Configuration

Links to source documents Engineering configuration implementation "android.arch.persistence.room:runtime:1.0.0" annotationProcessor "android.arch.persistence.room:compiler:1.0.0" // RxJava support for Room (use 1.1.0-alpha3 for latest alpha) implementation "android.arch.persistence.room:rxjava2:1.0.0" Table definition ...

Added by OriginalSunny on Fri, 17 May 2019 17:10:49 +0300

Laravel Core Interpretation--ENV Loading and Reading

Laravel loads the. env file in the project at startup. It is often useful for applications to run in different environments with different configurations. For example, you might want to use the tested Mysql database locally and switch the project to the production Mysql database automatically when it comes online. This article will introduce th ...

Added by kdidymus on Fri, 17 May 2019 12:59:48 +0300

Using AJAX asynchronous loading to verify the existence of user names

Preface Asynchronous loading of AJAX has always been a platitudinal topic. When it comes to AJAX, the most important thing to think about is its asynchronous loading. Recently, the editor let the asynchronous loading of AJAX play a role in the project. Let's see how it demonstrates its ability. Narration Asynchronous loading of AJAX: A techn ...

Added by blues on Fri, 17 May 2019 12:15:58 +0300

hue Upgrade Document

First, identify our two installation packages: hue.zip (This package can also be downloaded from our git repository, and I'll send you a link) huetool.zip Then stop hue's service at the CDH's management interface: 1, Enter hue 2, Select an instance 3, select Hue Server 4, select Action -> Stop this Hue Server After stopping the hu ...

Added by MrKaraokeSteve on Fri, 17 May 2019 10:36:05 +0300

PostgreSQL on Linux Best Deployment Manual

Installation of common packages # yum -y install coreutils glib2 lrzsz mpstat dstat sysstat e4fsprogs xfsprogs ntp readline-devel zlib-devel openssl-devel pam-devel libxml2-devel libxslt-devel python-devel tcl-devel gcc make smartmontools flex bison perl-devel perl-ExtUtils* openldap-devel jadetex openjade bzip2 Configuring OS Kernel Parame ...

Added by hazel999 on Fri, 17 May 2019 02:29:34 +0300

Common MySQL 5.7 commands

Reference to the following collation Mysql Common Command Line Complete 1. Connect mysql Format: mysql-h host address-u username-p user password 1. MYSQL connected to the local computer. (Assuming that both user name and password are root) Firstly, open the DOS window, switch to the directory mysql bin, then type the comm ...

Added by kitegirl on Fri, 17 May 2019 00:03:44 +0300

Five Suggestions on Neo4j and ypher Batch Update and Batch Insertion Optimization

Links to the original text: http://jexp.de/blog/2017/03/5-tips-tricks-for-fast-batched-updates-of-graph-structures-with-neo4j-and-cypher Note: After testing, I modified some of the Cypher statements in the original text to conform to the grammatical rules. When writing large amounts of data to a graphical databa ...

Added by messels on Thu, 16 May 2019 23:05:58 +0300

CryptDB Code Analysis 4-Encrypted Metadata Reading and Writing

Previously, we introduced the classes related to metadata management in CryptDB and the storage format of these classes in MySQL. This article describes when these metadata were created, when and how they were written to the database, when they were read, and where they were used. Initialization and Metadata Readin ...

Added by reidme on Thu, 16 May 2019 22:45:15 +0300

ThreadLocal Analysis of Java Multithreading

1. Understanding ThreadLocal ThreadLocal, also known as thread local variables or thread local storage. ThreadLocal creates a copy of the variable in each thread, so each thread can access its own internal copy variable. Let's start with an example: class ConnectionManager { private static Connection connect = null; ...

Added by nickk on Thu, 16 May 2019 22:35:21 +0300