. Other
A single query finally adds LIMIT 1 to stop the full table scan.
Separating non-"indexed" data, such as separating large articles from storage, does not affect other automatic queries.
No MYSQL built-in functions, because built-in functions do not establish a query cache.
PHP is very fast to establish connections, all of which can be used without a connection pool, or it may cause more than the number of connections. Of course, without the connection pool PHP progra
Tags: NFS OracleMOS has a lot of articles, basically can not run the following three points:Setup can make a big difference1. Network Topology and load2. NFS mount Options (choose the appropriate mount option)3. TCP configuration (Configure the appropriate MTU,TCP window size,tcp Congestion window sizes)The following is a foreigner's written documents, very comprehensive, like to takehttp://download.csdn.net/detail/skybluehao/8925151Copyright NOTICE: This article for Bo Master original article,
To the U.S. Mito software users to detailed analysis to share a reduced picture pixel tutorial.
Tutorial Sharing:
1, open the picture, choose the size
2, input the pixel you want is good, and then point application, save on OK
After the Email-gateway is set up, when receiving external mail with password-protected word,excel, RAR file, Email-gateway will be blocked by default, the workaround is as follows:1. Know which strategy to use for blocked messages;2. Click email--->
Problem phenomenon:After the server installed VirusScan Enterprise 8.8.0, it was a problem to call external SMTP on the server, and I tried to telent the SMTP server.Workaround:I. Modifying client-side protection policiesOpen "VirusScan console" = =
When I looked at McAfee's logs today, I stumbled across that you could only block the IIS process from creating and modifying ASP files (This article takes an ASP file as an example, and other program settings are basically the same), so we use
In order to make the server more secure, as well as extraction, backdoor and other programs running, the following settings for the server is very necessary, here are some guide settings, more people can play on their own.
The prerequisite is
From the record, look.
After the ASP.net run, you need to generate some DLL files, and the article in the cloud-dwelling community prohibits the C disk from generating DLL files.
Copy Code code as follows:
2011-6-29 0:10:34 the NT
Android. FakeInstaller is a widely spread mobile malware series. It used to impersonate Olympic Match scores, Skype, Flash Player, Opera, and many other popular apps. In fact, in the mobile malware field, the FakeInstaller series is one of the most
Comments: This article is intended for users who have set foot home server security. We will give you a detailed description of the Configuration. If you do not know how to use it, contact us. Pack church. Step 1: Right-click an icon in the
By appropriately adjusting table_cache, mysql can work faster in our consciousness. we usually increase table_cache and try to keep opened table handles in the cache. mysql can respond to operations more quickly, however, when I increase the size of
1. Start the main activity of another application.This code is the main activity to start another application, and of course you can start any activity componentname componetname = new ComponentName ( // This is another
Hpl Tuning
After having built the executable hpl/bin//xhpl, one may want to modify the input data file hpl. dat. this file shoshould reside in the same directory as the executable hpl/bin//xhpl. an example hpl. DAT file is provided by default. this
Open Elcipse, click "Windows" on the menu bar--click "Preferences"--click "Genneral"--click "Appearance"--click "Colors and Font"--expand "Basic" in the right box Folder--double-click "Text Font"--select "Courier new" in the popup window (note:
First, the use of the opportunity and basic ideas:
This is a very ordinary flower, it is not conspicuous, simple color. After a simple PS post-processing, immediately transformed into a bright color, rich texture, with a unique dark beauty of the
This tutorial mainly uses Photoshop to pull out the fall of the wild waterfall photos, this is a picture of a friend of the scenery, the original image you can see: The picture of the gray no feeling, even can be regarded as a failure of the work,
Introduction of a photo studio Beach wedding Photos palette process, fresh tone, the need for students to learn!
1, open the photo
2, add clouds to the sky, Layer mode: Multiply the bottom, pull a gradient.
3, with hue
The tutorial mainly introduces the production method of bright color blue tone, mainly uses the optional color and the channel mixer, the tutorial is very simple, suitable for novice practice PS Channel Mixer and the optional color use.
Original
In the interactive design of the web, the transmission of color information is an indispensable part. We often find many "gray" applications, their appearance is always calm and appropriate, maintaining the entire page of balance and unity. Based on
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