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1. LUN partitioning LUN is just a logical thing. Within the storage device, the relationship between the LUN and the physical hard disk is like the relationship between the logical volume and the physical hard disk in the host, that is, the

VG type in AIX There are three types of VG in AIX: VG type Maximum PVs Maximum LVs Maximum PPs per VG Maximum PP size Normal VG 32 256 32,512 (1016*32) 1 GB Big VG 128 512 130,048 (1016*128)

In the Spring Festival, the mail system sent a large number of emails, and the system also accumulated a large number of emails. Suddenly, it was found that the most accumulated emails were from yahoo.com.cn and yahoo.cn. Later, I thought it was

Solr4.6 provides the ability to export data from a database. The import procedure is as follows: 1. Put the solr-dataimporthandler-4.6.0.jar and solr-dataimporthandler-extras-4.6.0.jar under the downloaded solr4.6 dist folder in tomcat this path: F:

Located in/sbin/iptables, the command tool used to manage the firewall provides excessive rules/policies for the firewall system to determine how to filter or process packets arriving at the firewall. 3. default rules If no table

I have optimized the performance of a system recently. I hope it will be useful to you. Let's talk about the general business and optimization results (this is not a show off, but here we should have a round of applause. Ah, self-entertainment is a

Guidance: As a tool for performance testing by many engineers, IOmeter can simulate different types of IO (continuous, random, or mixed), different IO sizes, and different queue lengths. I hope that the author will take an IOmeter test experience to

Recently, omnibox in the address bar of the Chrome version of Canary channel has been slightly adjusted. A search button is added after the user enters a non-URL keyword. Currently, this experimental feature only appears in some users' Chrome

In today's world, for everyone, websites must have all the functions: websites must be attractive, fast, flexible, and mobile, and even must be constantly changing. In addition, you must support frequent sessions, various browsers, smartphones,

SPDY is an application layer protocol developed by Google based on the Transmission Control Protocol (TCP) (pronounced as "speedy"), to minimize network latency, improve network speed, and optimize user network experience. SPDY is not a protocol

650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/140107/0P62a637-0.jpg "style =" float: none; "title =" 1.jpg" alt = "wKioL1LIDoWhTfhmAAES-NHGldg315.jpg"/> 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/140107/

Jquery 1.9 + gave up live, saying it was replaced by on! So if we used live to get the dynamically added elements of jquery, how should we use on? First: Then, I use the append method: $ ('# One'). append (" test1 ");The result is: test1

The company closed down and changed its work, so it had no choice but to outsource the job. Big companies could not get in. Small companies may have to do this if their wages are too low. However, it is not a waste of time to hone yourself! As we

When we upload a file to the server every time, we can preview the file. It seems reasonable. If the network speed is slow or the image is faulty, this not only wastes customers' time but also server resources. Next we will introduce how to use js

Cross-origin in jquery or js has always been a headache. Later, a JSONP was generated, which effectively solved the cross-origin issue of js, next I will introduce you to a jquery JSONP cross-domain instance. I hope this method will be helpful to

In jquery traversal, we often use. each. Below I also use. each to traverse the value of a specified form. I hope this instance will be helpful to everyone. The Code is as follows: Copy code chat

This article will introduce you to the solution to the $. getJSON garbled problem in jQuery. If you encounter this problem, please refer to it. When you use jQuery's $. getJSON method to submit Chinese parameters, garbled characters may occur.

The width () and height () values in jqurey get the element offset value. When the dynamic image is not loaded, the size of the obtained image will fail, it is estimated that many of our friends are struggling with this problem. Let's take a look at

In the jquery implementation drop-down menu, we only need to bind the event mousemove and mouseleave, and then trigger some corresponding functions to solve this problem. Let's take a look at the implementation process. A piece of jquery navigation

Sometimes you need to use iframe to call some third-party pages or some of your own pages that are useless. here we need to automatically implement width and height adaptive functions based on the content in terms of height and width, next I will