• How does the MAC lock or unlock the key chain? What should I do


    After we create the key string in the Mac, it will be unlocked automatically when we log in or type the password in the unlock key string dialog box, and the key string password is always the same as your login password. How to solve this problem? resolvent: If your Mac is idle for a […]

  • CentOS Yum forced unlock method


    1、 Error message: Copy code The code is as follows: [[email protected]]# yum list</p> <p>Existing lock /var/run/yum.pid: another copy is running as pid 3807.</p> <p>Another app is currently holding the yum lock; waiting for it to exit… 2、 Reason:It literally means that “another program locks Yum until the yum updatesd program exits”. Yum updatesd is a […]

  • The ultimate method of Oracle query deadlock and unlock


    After some processes in Oracle are killed, the status is set to “killed”. However, the locked resources are not released for a long time. Sometimes there is no way to do so, so you have to restart the database. Now we provide a way to solve this problem, which is to kill those that cannot […]

  • How to lock, unlock and view the pin table in SQL Server


    Lock a table in the database Copy codeThe code is as follows: SELECT * FROM table WITH (HOLDLOCK) Note: the difference between locking a table in a database Copy codeThe code is as follows: SELECT * FROM table WITH (HOLDLOCK) Other transactions can read the table, but cannot update the deletion Copy codeThe code is […]

  • HTML 5 canvas gesture unlocking source code sharing


    Map first demo.html <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <meta name=”viewport” content=”width=device-width, initial-scale=1.0, user-scalable=no”> < title > gesture unlocking < / Title > <style type=”text/css”> body{ text-align: center; background: #305066; } h4{ color: #22C3AA; } </style> </head> <body> <script type=”text/javascript” src=”src/index.js”></script> <script type=”text/javascript”> //1. Generation background //2. Title Generation //3. Generate canvas tags dynamically […]

  • How to view locked tables and unlock methods in SQL Server


    To view the locked table: select spId from master..SysProcesses Where db_name (dbid) = ‘database name’ and spId <> @@SpId and dbID <> 0 Unlock: exec (‘Kill ‘+cast(@spid as varchar)) To view the locked table: select request_session_id spid,OBJECT_NAME(resource_associated_entity_id) tableName from sys.dm_tran_locks where resource_type=’OBJECT’ SPID lock table process Tablename locked table name Unlock: declare @spid int Set […]

  • Correct posture of unlocking redis lock


    Correct posture of unlocking redis lock Redis is a good friend of PHP. In the process of writing business in PHP, sometimes the concept of lock is used. At the same time, only one person can operate a certain behavior. We’re going to use locks at this time. There are several ways to lock. PHP […]

  • How to use macOS Sierra automatic unlock? Apple Watch Auto-unlock Mac Computer Setup Tutorial


    Apple pushed MacOS Sierra beta 2 firmware update on July 6. One of the highlights of this update is to add the function of using Apple Watch to automatically unlock Mac computers. Here’s how to set it up. Let’s take a look at it. The MacOS Sierra beta 2 version is 16A239j, and the public […]

  • How to unlock MAC Apple watch unlock MAC graphics tutorial


    Apple released a new generation of operating system, MacOS Sierra, for iMac and Macbook, at the WWDC conference in June. This edition continues the flattened design style of the previous generation, and has made many improvements and Optimization in function, among which many new functions have been added. Now, after three months of public beta, […]

  • Android simulation for sliding unlock interface


    In this paper, we share the Android simulation sliding unlock interface for your reference. The details are as follows. Realization logic Customize a view inheritance view class to implement the method inside Load the image resource in the constructor. Get the width and height of the background in onMeasure as the width and height of […]

  • Oracle 11g User Modify Password and Lock and Unlock Function Example Code


    1. Run cmd.exe; 2. Input sqlplus / as sysdba, connect to the database as sysdba, and manage the database. 3. Execution after successful connection Alter user identityName identified by password; – – Modify password Alter user identityName account unlock; – Unlock Alter user identity Name account lock; – Locks IdeityName: Users that need to be […]

  • Oracle Lock Processing and Unlocking Method


    1. Query Lock select sid,serial#,event,BLOCKING_SESSION from v$session where event like ‘%TX%’; 2. Query specific information according to SID (negligible) select sid,serial#,username,machine,blocking_session from v$session where sid=<SID>; 3. Kill the conversation # Locate the session based on the SID and SERIAL # found in 1 and 2 and kill it ALTER SYSTEM DISCONNECT SESSION ‘<SID>,<SERIAL>’ IMMEDIATE; or […]