protected $_validate=Array (' stu_id ', ' ', ' study number already exists ', 1, ' unique ', 1),) When inserting more than one data at a time:In the LoopWhen you use create validation, an error is triggered when one of the data in the data stu_id repeats.And you will find that data from this data, whether or not repeating the field, will be an error, unable to insert or update.Because after the error is verified, the Model class $this->error in Model.class.php will be assigned and will n
Win8 system notebook to create WiFi when prompted error 1061 workaround
The workaround is as follows:
1, check the notebook power supply is connected, connect the power to see if you can enable WiFi sharing services.
2, equipment Management-network adapters to upgrade the driver to the latest (if the Win8 driver is usually the latest), and then try to enable sharing.
3, if the first two steps have not
Workaround for oracle10g failed to start service after modifying computer name or IP
Problems encountered, the cause of the problem is unknown. The symptom is that there is an Oracle service in the Windows service that cannot be started and reported the following error.
Windows cannot start ORACLEDBCONSOLEORCL on the local computer. For more information, check the system event log. If this is a non-Microsoft service, contact your service manufacture
again, result is pop "lost Icuio51.dll" fileThen re-download the ICU version 51, OK, resolved.Back to WIN10, get it done!Ps.PHP What version of the use of what version of the ICU, using 32-bit or 64-bit according to the MSVC environment to set;php5.5 support icu5.1 version ();php5.6 supports the icu5.7 version.Tortured for a period of time, the attention of the place to record, I hope that others will encounter with me in the same situation know the problem, do not need to waste too much time.O
files are all downloaded, only the current page is all loaded. Furthermore, the Document.Write method cannot be written in a code block with a defer tag.The workaround for error occurs when using Ajax: document.readystate== "complete" is inferred at appendchild or innerhtml operations, and if no, it will be done again after a few seconds settimeout.Assuming that you want to load a stand-alone footstep file, a reliable way to do this is to invoke it i
files are all downloaded, only the current page is all loaded. Furthermore, the Document.Write method cannot be written in a code block with a defer tag.The workaround for error occurs when using Ajax: document.readystate== "complete" is inferred at appendchild or innerhtml operations, and if no, it will be done again after a few seconds settimeout.Assuming that you want to load a stand-alone footstep file, a reliable way to do this is to invoke it i
files are all downloaded, only the current page is all loaded. Furthermore, the Document.Write method cannot be written in a code block with a defer tag.The workaround for error occurs when using Ajax: document.readystate== "complete" is inferred at appendchild or innerhtml operations, and if no, it will be done again after a few seconds settimeout.Assuming that you want to load a stand-alone footstep file, a reliable way to do this is to invoke it i
Problem:
For multithreaded programming, it is often necessary to pass more than one parameter to a thread, while a thread in C # receives only 1 parameters of type object (as follows):
Thread t = new Thread (new Parameterizedthreadstart (Newthread));
T.start (parameter);
void Newthread (object)
{
...}, ...
}
And now you need to pass multiple parameters to the thread, such as method methods that want to run with a separate thread
void method (int begin,int end) {..........
}
win7 configuration file incorrectly causes system crashes cannot be used by workaround
The workaround is as follows:
1, when the computer system crashes, we can restart the computer, find the relevant repair plan.
2, in the process of starting to find the start of the Repair function button, and then to our computer system to repair, to complete the repair system crash.
3, and th
, do not click Abort, ignore, also do not click Cancel
Follow these steps
1. Delete keys in the registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSDTC
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC
Hkey_classes_root\cid
2, use cmd execution stop MSDTC service: net stop MSDTC
3. Uninstall MSDTC service using cmd: Msdtc-uninstall
4, use CMD to perform reinstall MSDTC service: Msdtc-install
Click Retry to continue the installation.
How to handle COM + check failure during SQL Server set
Nginx "Nginx could not build the Server_names_hash" workaround
Added a few site aliases to a server, almost 20 more.
When restarting Nginx, prompt:
Could not builds the Server_names_hash, you should increase server_names_hash_bucket_size:32
Workaround:
Add one line of configuration to the http{} segment of the configuration file
Server_names_hash_bucket_size 64;
If 64 is not enough, then add up b
of 1/4.
Workaround:
Manually set Heap Size
Modify Tomcat_home/bin/catalina.bat, add the following line to the "echo" Using catalina_base: $CATALINA _base "":
Java code
Set java_opts=%java_opts%-server-xms800m-xmx800m-xx:maxnewsize=256m
Set java_opts=%java_opts%-server-xms800m-xmx800m-xx:maxnewsize=256m
or modify catalina.sh
In the "echo" Using catalina_base: $CATALINA _base "", add the following line:
java_opts= "$JAVA _opts-server-xms800m-x
Error message: Chinese information: detects potentially dangerous Request.Form value from client (freetextbox1= English information: A potentially dangerous Request.Form value is detected from the client (freetextbox1= " Workaround: This is a new feature in the. NET Framework 1.1 to prevent malicious script attacks. error causes are as follows: because in. NET, a string of HTML or JavaScript appears when you request it, the system is considere
Workaround for UNIX training: we might as well make a workaround. The row-level trigger is adapted to a statement-level trigger. Look at the following processing.
1. Create a package:emp_pkg.
CREATE Orreplace PACKAGE emp_pkg as
/* ----------------------------------
--author:kevin.yuan
--create_time:2008-07-01
---------------------------------- */
TYPE Crarray is TABLE of Emp%rowtype Indexby Binary_in
User ' sa ' login failed. Reason: The solution for not connecting to a trusted SQL Server is as follows:
I. Control Panel-SERVICE-"MS SQL server-" Login-"Local System account-" Restart MS SQL SERVERUsing Windows Authentication Login Query Analyzer--"Execute sp_password null,sa new password, ' sa 'Two. " Unable to connect to server, user XXX login failed.This error occurs because SQL Server uses the Windows only authentication method,Therefore, users cannot connect using SQL Server's login accou
My workaround is for the first time that the entire cluster has been successfully started, but the second failure to start normally due to an unhealthy operation. There may be many reasons for the first startup failure: either due to misconfiguration of the configuration file or due to an SSH login configuration error without a password
The author uses a virtual machine based Hadoop distributed installation, because the order of shutting down Datanode
Windows to go U disk does not start workaround
Problem 1:u the cursor in the upper left corner is flashing when the disk starts
Open the WTG Auxiliary tool, select the U-disk, right-click Manual command to set the active partition and write disk boot
Still not?
In the program interface right-click Open Program Run directory open Bootice.exe, select the U disk, click Partition Management, see if it is active partition, if not, click Activate
I
setting not null. 3. Workaround 1) Add a new column to set the structure properties of the column. ALTER TABLE Information add column ' yyy ' varchar (255) not NULL first; -Newly added columns yyy to the first column. 2) Copy the column contents of the error to the new column and delete the error column Update information set yyy= ' number '; ---Copy all values of the ' number ' column to the YYY column. ALTER TABLE information drop ' number '; ---De
Tags: SQL Server does not allow you to save changes to a workaround
When you design a SQL Server database, there are times when you are not allowed to save changes. This is a protection mechanism for SQL Server because it enables blocking save changes that require the table to be recreated.
1 Error hints appear when you modify a table's structure, data type650) this.width=650; "class=" Exp-image-default "alt=" SQL Server does not allow
Label:Sqlserver2005 occurs when a subscription is copied: "Microsoft SQL Server cannot access these components because replication components are not installed on this instance of SQL Server, see SQL Servers ..."Workaround: Due to the need to configure a publication subscription, it has been reported that "SQL Server replication requires an actual server name to connect to the server and does not support connections through aliases, IP addresses,
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.