spectrum downgrade

1. I used to think that Integer=number (38,0)--38 is the maximum precision of number Integer is a very large data type and can be represented as power (10,126)-1 Because the maximum of one byte represents 256, the largest of n bytes represents power (256,n) >=power (10,126) n=53, an integer type uses a minimum of 53 bytes. So the integer type is still as small as possible, generally rarely use such a large number. In particular, some people deal with the Boolean type;

Microsoft SQL Server is an ideal choice for many enterprises. New versions are usually faster and more powerful, and we can't wait to upgrade old database versions to new versions. This is understandable and usually smooth, back up the database in the old version, and restore it in the new version of the database. for Microsoft, compatibility is usually not a problem, but sometimes we need to go back to the lower version, for example, if the customer only has a database of a lower version, it is

Address: http://blog.sina.com.cn/s/blog_722b43a60100q5k9.html This tutorial is composedOriginal, reprinted please indicate the source. Many friends in Eng S-OFFOr ship S-ONIn this mode, 1.72 is accidentally refreshed.The above software version of the official upgrade package, found Eng S-OFFAnd turned back to ship S-ONAnd cannot passVisionary +The software obtains the root of the system.Permission. At this time, we can downgrade the system to a lowe

Transferred from: http://blog.csdn.net/striker_v/article/details/519206271. Download the GCC source code:wget ftp://mirrors.kernel.org/gnu/gcc/gcc-5.3.0/gcc-5.3.0.tar.gz2. Unzip:TAR-ZXVF gcc-5.3.0.tar.gz3. Download the required dependencies for compilation:CD gcc-5.3.0//The GCC folder after unpacking./contrib/download_prerequisites//download dependenciesCd.. Return to upper level directory4. Build the compiled output directory:mkdir gcc-build-5.3.05. Go to the output directory, execute the follo

software consists of contributions made by many people; See the NOTICEFile for more information.Subversion is open source software, see http://subversion.apache.org/You can access the module using the following repository:* Ra_neon: Use neon to access repository modules through the WebDAV protocol.-handling "http" scenarios-handling "https" scenarios* RA_SVN: Access the repository's modules using the SVN network protocol. -Use Cyrus SASL certification-Process "SVN" solution* Ra_local: Access re

Shut down the "virtual machine" in the VSphere client. Remove your virtual machine from the ESXi inventory. Browse your Datastore and find the virtual machine s. vmx file. Download it to your desktop. Open the. vmx file in Notepad or your favorite text editor. Find the following line (usually line 3) in your configuration and the "ten" to a "9"Virtualhw.version = "Ten" would become virtualhw.version = "9" Save the file and overwrite your existing. vmx file. Upload the file to t

On Linux, the use of Python, sometimes need to python2, sometimes need to python3, below a brief introduction of the Python3 to Python2 method.1. View Python's current versionDirect inputpython 1 can view Python version2. Switch the python version in the/usr/bin directorymv /usr/bin/python /usr/bin/python3.3 #将原来3.3的版本还原mv /usr/bin/python2.6 /usr/bin/python #将python2.6版本链接上 1 2 3. TestingEnter Python to see that the python2.6 has been switched.add: After

); Glteximage2d (gl_texture_2d,0, Gl_rgb, width, height,0, Gl_rgb, Gl_unsigned_byte, NULL); Gltexparameteri (gl_texture_2d, Gl_texture_mag_filter, gl_linear); Gltexparameteri (gl_texture_2d, Gl_texture_min_filter, gl_linear);}Reference Links:1. Glewinit initialization errors and Glewinit initialization errors2, under MFC using OpenGL in the Vbo to draw, draw failed3. The 0x00000000 in OpenGL program unhandled error: 0xC0000005: An access violation occurred while reading location 0x000000004.

;usingShoppingmall.model;usingSystem.Collections.Generic;usingSystem.ServiceModel;namespaceshoppingmall.clientbll{ Public classCustomerbll:clientbase, Icustomerservice { Publiciconfigurationroot configuration; PublicCUSTOMERBLL ():Base(Endpointfactory.getdefaultbinding (), endpointfactory.getdefaultendpointaddress ()) {} PublicListgetbuyerlist () {returnchannel.getbuyerlist (); } Public BOOLinsertbuyerinfo (Buyer info) {returnChannel.insertbuyerinfo (info); } }} Second, WCF's ser

Ubuntu/ubuntu 14.04 (downgrade) Install SVN 1.7 Step 1: Add Source to Source.list sudo add-apt-repository "Deb Http://extras.ubuntu.com/ubuntu saucy main" sudo add-apt-repository "Deb Http://de.archive.ubuntu.com/ubuntu/saucy main universe restricted multiverse" Step 2: Remove the SVN 1.8 package sudo apt-get remove Subversion libsvn1 Step 3: Update source sudo apt-get update Step 4: Install SVN 1.7 sudo apt-get install subversion=1.7.9-1+nmu6ubuntu3

In this article about configuring the CUDA environment in Linux (see the http://www.linuxidc.com/Linux/2011-12/49874.htm), the latest CUDA version 4.1 only supports gcc4.6 or earlier, while gcc in my Fedora is 4.6.1, to this end, we need to downgrade the gcc version, which is complicated as long as it involves modifying the gcc version. I use Fedora. In this article about configuring the CUDA environment in Linux (see the http://www.linuxidc.com/Linux

Due to system upgrades or some other reasons, sometimes we need to downgrade the old domain control after migrating the primary domain, so we have to do it again .. We strongly recommend that you: 1. Before downgrading, make sure that the new primary domain can be used (DNS, DHCP, etc. are normal ??) 2. Back up the system (the best backup content is domain-controlled status backup, full backup, and DHCP backup) 3. Delete DNS/DHCP. After doing the fol

There was a problem with Ruby version adaptation when upgrading Redmine. Got some information.Ruby installation package In addition to the official website, you can refer to http://ftp.ruby-lang.org/pub/ruby/1.9/Need to downgrade from 1.9.3-p551 to 1.9.3-p484. Install the p484 version directly.cd/usr/srcwget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p484.tar.gz tar zxf ruby-1.9. 3-p484. Tar . GZCD Ruby-1.9. 3-p484. /configure--prefix=/usr/local

Hystrix the status of the fuse: if the service is not a problem is "off" state, the threshold is the number of requests, such as the threshold is 100 per 10s Controllable parameters: threshold, detection time, fuse timeProblem with request demotion:The fallback method is executed when the request is degraded, so what if there is a network request in the fallback method and the network request fails?It is possible to downgrade two times, add @hystrixco

Like a taste of the Win7 small partners found upgraded IE11, and again encountered a variety of Web page compatibility problems, or even Win7 system activation failure and so on. Then the following small series for you to introduce Win7 system IE11 Browser downgrade method, demote to IE10/IE9 can. 1. Open the Control Panel, select the program and function, uninstall or change the program; 2. Select "See Installed Updates" 3.

Odysseusota4win.rar in the Kloader and Pwnedibss two files, selected, dragged to the right window. 5, iphone4s into the DFU mode 6, Ctrl+t Open the terminal, or click the icon in the software to open the terminal 7, input chmod +x kloader, click to execute. 8, input./kloader PWNEDIBSS, click Execute, at this time the iphone black screen, close the WINSCP. (If the error is shown, turn it off without notice). 4s downgrade 6.1.3 Tuto

Method One: Using the graphical operation (GUI), open ssms (SQL Server Management Studio) The first step: Right-click the database you want to downgrade, press Select:Step Two: In the dialog box, in advanced, set as follows.Step three: Save the script and run the script in the lower version of SQL Server.Open the low-version SQL Server database, connect to the database, and double-click the script to run. or drag the script to the query parser interfa