small ntp server

back, but it's not rolling back!! So what's the reason? Originally, the problem is "select GETDATE ()" This sentence above! Because the value of @ @error is not 0 (as if it were 5000) when executing the RAISERROR statement, the @ @error value becomes 0 when executed to the next sentence "Select GETDATE ()"! Therefore, the following if statement naturally does not catch any errors ... Countermeasures: Now that we have found the cause, the solution is natural. With a Try ... The catch syntax is

Label:Yesterday evening suddenly received a customer's call, said in the configuration of the mirrored production environment database to modify the "committed read snapshot" option when the error, you need to cancel the image and then re-build. The sad thing is that it's a near-TB database and ask me if there's any quick way. So I asked the client why he thought it was a long time, and he said it would take a lot of time to do a full backup and then restore this step to the mirror node when the

line running ~ ~ ~(Nature or local access, only changed hostname, in some cases useful)Configuration this thing is not difficult, mainly before the configuration of a few times easy to forget so write down the blog record, do not know whether others have used, for the site deployment of some configuration is not very familiar with the general basis is very weak, and so on the back of this piece of familiar to see what can be done to complement, but also hope that we can exchange together andSha

The operating system running as a Web server is LinuxApache, PHP, MySQL and other service software needs to be installed inside this system.The system features: stable, free, rich network functions (apache/redis/memcache/mailbox/mysql, etc.), security system root Directory file Introduction Home Directory/var Project deployment Directory/USR Software installation directory/etc main configuration file directory/Dev Hardware Device Catalog

Small to big: Exploring the Security Application of DNS in Enterprise Domain Environments DNS applications within an enterprise are almost ubiquitous. As long as we don't want to remember the pure IP address information You need to use DNS to provide us with simple name memory, such as ing an IP Address: 192.168.10.1 For one, this becomes a good memory, and for the deployment of application systems, the existence of DNS is necessary, because The SRV

create the source data file, paste the following into our specified data file C:\myTestFormatFiles-c.txt /* 10,field2,field3,field4 15,field2,field3,field4 46,field2,field3,field4 58,field2,field3, FIELD4 */-import data using bcp format file exec master. xp_cmdshell ' bcp Db_oa. myTestFormatFiles in C:\myTestFormatFiles-c.txt-f C:\myTestFormatFiles.Xml-T ' --View Imported data Select * FROM myTestFormatFiles /* Col1 Col2 Col3 Col4 Field2 Field3 Field4 Field2 Field3 Field4 Field2 Fiel

A small problem occurs when MVC is connected to the SQL Server database. As a website developer, using asp.net to develop a website is inconvenient to add function modules, so I started to learn about the mvc framework. Today is my first day of learning the mvc framework. The first step is to connect EF to the database (SQL Server2012 database). Below I use pictures and text to describe my process. 1. Creat

Note: 1. To save the hello. js program file as a UTF-8 hello. js file, use notepad. 2. Chinese encoding must be supported in the output webpage. Res. write (' Now we use node. js to create a small www server. Console. log ('hello') console. log ('Hello % s-> % d', 'jeapedu', 1941847311) var http = require ('http'); http. createServer (function (req, res) {res. writeHead (200, {'content-type': '

From selenium import WebdriverFrom time import sleepImport OSDriver = Webdriver. Firefox ()Driver.get ("xxx")Driver.find_element_by_name (' account '). Send_keys (' xxx ')Driver.find_element_by_name (' pwd '). Send_keys (' xxx ')Sleep (5)driver.find_element_by_id (' login-btn '). Click ()Sleep (2)#遍历整个文件夹并把所有文件路径放到FileList里面Filelist=[]Os.chdir (("D:\\app"))A=os.listdir ("D:\\app")For I in A:X=os.path.join ("D:\\app", i)Filelist.append (x)For M in FileList:Driver.find_element_by_link_text (' Secu

One, the Oracle 11g database download, installation:Download:Then, based on this hyperlink build your own user, database.Http://wenku.baidu.com/view/caa21c1a650e52ea551898e2.htmlSecond, Navicat Premium connect Oracle1. Review the Tnsnames.ora file in the installation directory (F:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN).2, the connection, the first configuration option under the Oci file, download:Associated with the time,:OCI directory: D:\tools\instantclient-basic-nt-12.1.0.2.

Tags: It's col one is you parameter ROM data where preI am in the development of a little bit of knowledge to continue to update here ~1.where conditions change frequentlywhere userid= ' 1 ' Here's the UserID, its value is often in change, sometimes to check 2, sometimes to check 3, sometimes to check all the people! Here define a function to pass parameters, check all the people here need to make an if branch to judge, but, do not need ~ ~ Good way toSelect from table Where userid="+userid+"Th

Tags: style blog http color io ar data art????Database encryption:http://blog.csdn.net/u012992506/article/details/25283035?Create Master Key Encryption by Password=' [email protected] ' ?Backup Master Key to file=' D:\smk.bak ' Encryption by Password=' [email protected] ' ???Open Master Key decryption by Password=' [email protected] ' ??CREATE CERTIFICATE Backupcertificater? with SUBJECT = ' Backup encryption Certificate '; ?GO??BACKUP DATABASE Test to DISK =' D:\Test_Encrypted.bak 'with

Tags: style blog color io data div problem code log The day before yesterday's project, just took over, for the module is not very familiar with, there is a module, involving 4 tables, of which the main table there are two, as long as the clear on all return to the "peace". Module requirements: The contents of the two tables to query out, the results are connected together. Master said finished, feel no problem, I looked at the database table design, after reading, found that the two tab

650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M02/8C/96/wKioL1hwyfSwubFxAAD2sFUyK0Y471.jpg-wh_500x0-wm_3 -wmp_4-s_3951670886.jpg "style=" Float:none; "title=" 20170107185639.jpg "alt=" Wkiol1hwyfswubfxaad2sfuyk0y471.jpg-wh_50 "/>650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M00/8C/96/wKioL1hwyfWCM29YAADwOWipYjA755.jpg-wh_500x0-wm_3 -wmp_4-s_3896562325.jpg "style=" Float:none; "title=" 20170107185652.jpg "alt=" Wkiol1hwyfwcm29yaadwowipyja755.jpg-wh_50 "/>650) this.width=650; "Sr

DECLARE @CurrentDate datetime=getdate ();SelectDATEADD (dd,0, DATEDIFF (dd,0, @CurrentDate)) as current date,DATEADD (Dd,-1, DATEDIFF (dd,0, @CurrentDate)) as yesterday,DATEADD (Mm,datediff (mm,0, @CurrentDate), 0) as the first day of this month,DATEADD (Day,-1,dateadd (Mm,datediff (mm,0, @CurrentDate) +1,0) Last day of this month,DATEADD (Mm,datediff (Mm,0,dateadd (month,-1, @CurrentDate)), 0) as the first day of last month,DATEADD (D,-1,dateadd (M,-1,dateadd (mm, DATEDIFF (m,0, @CurrentDate) +

This article will encounter a lot of code, if you want the source code of the small partner, I have already shared the below, want to be able to study theI have been engaged in Python development for many years, many small partners want to learn about the Web Django framework, I use the Django framework to do a series of practical projects, welcome to subscribe. Welcome to subscribe to the public number: P

keys but try not to use), press win+ R key out to run the column input SSMS can open SQL Server Management Studio, check the table by ALT+F1 to view the table properties (sp_help), the New Query window shortcut key is Alt+n, these are more commonly used shortcut keys, It is easy to operate your database.15. Sometimes when you create or modify a table or a field after you execute a query or write out a new field to find the newly added object below a

Tags: des blog http io os using Java ar StrongNginx 0.7.x + PHP 5.2.6 (FastCGI) + MySQL 5.1 in 128M Small memory VPS Server Configuration Optimization Large |Medium | Small [2008-10-28 16:55 | by Zhang Banquet] [Article Zhang Banquet this version: v1.0 last modified: 2008.10.28 reproduced Please specify the original link: http://blog.zyan.cc/post/375/]The VPS (fu

same time need to use the script. In order to write a script to determine whether multiple hosts can be reached, it is only needed to sort out the above ideas and use the Linux basic commands flexibly. Of course, if the target machine is very numerous, it is recommended to use ansible or saltstack, or simply write a Python multi-process script to judge. The following is a list of the scripts I wrote earlier based on the ping and Telnet tools, and the approximate principle is similar to the abov

Recently built a small Git server, because the online data mixed, let me really stepped on a lot of landmines. Make a record in case of a rainy future.What do you need to know?If you want to build a server for only dozens of people to use, and no dedicated network management services, remember, must be simple, simple, only need to followI do the following steps t