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Database: 12.1.0.2,rac,cdb modeThe author is responsible for moving two 12.1.0.2 cdb clusters, one on AIX, and one on Linux, unfortunately, they are all mixed and the data is more than 100 T.Since the other departments are delivered, already 12c,

Environment: Rac+dataguard WebLogic 10.3.6JDBC Connection Database configuration:jdbc:oracle:thin:@ (description= (address= (PROTOCOL=TCP) (host=xx. Xx. xx.xx) (port=1521)) (Address= (PROTOCOL=TCP) (host=xx. XX.xx.xx) (port=1521)) (Load_balance=no) (

The introduction of the hardware Platform +SDK Development application (Zedboard Bare Metal development) of the Zedboard Development Board built with VivadoThe process is as follows:First, the operation of Vivado, the establishment of new

1. Introduction:Zabbix MySQL plug-in to monitor the MySQL database, but too simple, basically no role, so need to do more detailed monitoring, and Percona has this detailed monitoring of the template and script, just take it.Percona Official website:

ObjectiveAn engineer at Microsoft once had a very figurative metaphor for performance tuning: Peeling onions. I also very much agree, let us to a layer of a layer of the outside its mysterious veil.Six major factorsThe following are the most common

1.Gradient Descent2.Normal euqationFirst introduce what is normal equation, if a dataset X has m samples, n features. If the function is:. The eigenvector of a DataSet X is expressed as:Represents the first training sample, which indicates the J

1, the system starts the process review:Post (power-on self-test, mainly used to check whether the hardware environment that supports system startup is satisfied)---> bootseqence (to load the corresponding boot item device according to the boot

Problem Description :An error occurred while running the program update under linuxmint18:E: Unable to get lock/var/lib/dpkg/lock-open (11: Resource temporarily unavailable)E: Unable to lock the management directory (/var/lib/dpkg/), is there any

Ubuntu 16.04 under the direct use of command installation Mingw32:sudo Apt-get Install MINGW32 However, will be error: Unable to locate the package MINGW32 solution as follows: sudo gedit/etc/a pt/sources.list//added at the end of Sources.list, save

pk2251-Black Horse 2018Python Latest collectionThe beginning of the new year, learning to be early, drip records, learning is progress!Essay background: In a lot of times, many of the early friends will ask me: I am from other languages transferred

Spring Cloud Eureka is part of the spring cloud Netflix MicroServices Suite, which has two packages based on Netflix Eureka and is primarily responsible for service governance capabilities in the MicroServices architecture.Service governance:Service

[JSP] MAVEN+SSM Framework (Spring+springmvc+mybatis)-Hello WorldSource: http://blog.csdn.net/zhshulin/article/details/37956105?utm_source=tuicool&utm_medium= Referral (The following blog post has changed and supplemented the original blog post)The

The MELT function converts wide data into Long data dcast functions to convert Long data into wide data> dt = fread ("melt_default.csv") > dt family_id age_mother dob_child1 dob_child2 dob_child31:1 30 1998-11-26 2000-01-29 na2:2 1996-06-22 NA na3:3

Combined with the 2017 spring strokes and autumn strokes of the real problem, the following types of algorithms are the most frequently tested, summed up a bit:A lot of fish!Cattle and cows have a fish tank. There are already n fish in the tank, the

Third-party jar packages:* What is a third party?* First party: Oracle* Second party: developers themselves* Third party: In addition to Oracle and developers themselves** What is a jar package?* is the framework of some special file format, which

Windows version of GCC TDM-GCC 4.5.2Usually write a C + + small program, do not like to open vs, too large, but also to build projects. For small programs, a single-file compilation of the IDE is my first choice, I use C-free 5.0, built-in compiler

Controller As a controller, the general function is to receive the data as V-end and give it to the M-layer to handle, then manage the jump of V. The role of SPRINGMVC is nothing more than that, mainly divided into: receive the form or the

Tmux Usage Details, tmux detailsText giant three: zsh, tmux and vim reference: Linux terminal killer, programmer tool-Tmux github. tmux configuration shortcut key summary more detailed tmux command principle you can quit at any time or enter any

Vswitch VLAN and vswitch vlan for micro-enterprises Configure vswitch VLANI. Tutorial PurposeCreate a VLAN in the vswitch and add the corresponding port to the corresponding VLAN.Port 1: VLAN10Port 2: VLAN20Port 3: VLAN30 Ii. experiment

The working principle and type differences of vswitches, and the working principle of vswitchesThe emergence of many new Client/Server applications and multimedia technologies has led to the fact that traditional shared networks are far from meeting