); +Pthread_cond_signal (cond); APthread_mutex_unlock (mutex); at} I wonder if you have noticed the order of LINE21 and Line22,pthread_cond_signal and Pthread_mutex_unlock in the Add function, that is, whether the order of wake and unlock is affecting the operation of the program. In this simple analysis, we know that after the add thread adds an element to the queue, it calls Pthread_cond_signal, and the thread that blocks the get operation wakes up,
Modify Password:
Scott user's password is not correct, enter administrator user, modify Scott user password canor modify the password like this:In the Run Bar Knock: Sqlplus (space)/nolog carriage returnThen knock in the pop-up box: Conn Sys/password as SYSDBA carriage returnPrompt is connectedLast knock: Alter user Scott identified by Tiger; carriage returnAlter user Scott account unlock carriage return (Unlock
1. On the standby screen, click "Application".
2. Slide screen click "Set".
3. Click on "My Device" and select "Lock Screen".
4. Click on "Screen lock".
5. Click "Face Unlock".
6. When displaying ldquo; warning rdquo; prompts on the screen, click "Next".
7. Display information about Face unlock ldquo; message rdquo, click "Settings".
8. Display the ldquo; notice on the screen using the face
Original source: Rancher Labs Introduction
Rancher v1.2 has been released, I believe that many container rivers and lakes partners are the Magic fist rub ready to experience some. Since Docker can fall into many operating systems and different Docker versions of graph driver, the first release of a large version usually has some minor compatibility problems. In order to better experience the complete characteristics of rancher v1.2, we selected the rancher test more stringent operating environme
Oracle command line is believed to be familiar to everyone. in the daily work of DBAs, Oracle users are often unlocked; the following describes how to unlock an Oracle user in the Oracle command line. Several Simple unlock statements can be used to unlock the user.
The following describes how to unlock a user using Ora
Modified the user password, the next day came to find the user is locked, walking in the evening is also good.Alter profile DEFAULT limit failed_login_attempts UNLIMITED;Alter user xxxx account unlock;Ok!--1.--System parameter configuration connect Sys/[email Protected]_link as SysdbaSELECT * from Dba_profiles where resource_name like ' failed_login_attempts% ';--1 DEFAULT failed_login_attempts PASSWORD 10--Continuous error connection 10 times the use
Label: style HTTP Io OS use SP on code efWhy is scoped_lock recommended?This is the same reason as raiI idiom is becoming popular: You can indeed pack mutex that will be unlocked when you leave the execution range in any case.Note: not only do you forget to call unlock (): After Your mutex is locked, an exception may also be thrown. The unlock CALL statement you write may never be executed, even inLock ()An
; Boolean trylock (); Boolean Trylock (long time, Timeunit unit) throws interruptedexception; void unlock (); Condition newcondition ();The Reentrantlock class has a static internal abstract class sync, which inherits the Abstractqueuedsynchronizer class, The Abstractqueuedsynchronizer class inherits from Abstractownablesynchronizer. There are also two static inner classes in the Reentrantlock class, namely Nonfairsync (non-fair lock) and Fair
After installing Oracle 10g, you want to open sql*plus to learn, and then follow the steps in the book to connect to the database with Scott users, you can lose several times prompted an error.
Error:the account is locked
Then after checking the internet and found that the user was locked, as to why it was locked, may be the following reasons.
1. Attempting to log on multiple times was unsuccessful. (may not have the correct password)
2. This user is manually locked by the administrator.
3. User
Ext.: http://database.51cto.com/art/200910/158576.htmIn the daily work of the DBA, the operations that are unlocked for the Oracle user are often encountered, and this article gives an operation method for unlocking the Oracle user under the command line, which can be accomplished with a few simple unlocking statements. Here are the specific procedures:The default Scott user is locked out and can be logged on by unlocking it first. Use the following statement to
Recent wood things, find out to play with the paper Facebook. Everywhere is the "slide to unlock your phone" effect ah. Glitter glitter a little bit cool feeling. So I'm going to look into it. The thought of the wood is incredibly can be used Cagradientlayer and a small animation can achieve this effect. "Swipe to unlock" effect:Of course, first you need to show this "sliding
(identification code), this fingerprint in face++ inside called Face_token this we will continue to talk about, this fingerprint represents your current identity.After uploading through the server analytics ingest, the server will send you a packet via JSON, which has all of your facial features.When you get the JSON returned by the server, extract the Face_toke
BroadcastReceiver: An Example of screen lock and unlock
I haven't written a small example of android for a long time, because I wrote an article about Intent a few days ago. action Article (http://blog.csdn.net/ljphhj/article/details/38796739), a friend of the private letter asked me about ACTION_SCREEN_ON and ACTION_SCREEN_OFF and ACTION_USER_PRESENT three Action usage, as a summary blog, at that time did not elaborate,ACTION_SCREEN_ON and ACTION_SCR
Some operations to be authorized during startup, such as wifi logon and UbuntuOne logon, will automatically pop up a dialog box, enter the password to unlock the key ring, such as the UbuntuOne key ring to unlock, you can enter a password to unlock and connect to UbuntuOne. complicated. Disable Automatic Logon instead of Logon in Ubuntu one. If necessary, you can
IOS_39 _ touch unlockFinally:Controller:
Vc3Ryb25nPgoKPHByZSBjbGFzcz0 = "brush: java;"> // BeyondViewController. m // 39 _ touch unlock /// Created by beyond on 14-9-17. // Copyright (c) 2014 com. beyond. all rights reserved. // # import "BeyondViewController. h "# import" LockView. h "# import" LockViewDelegate. h "// complies with the Protocol and is used to learn the unlock path drawn by the user
DBAs often encounter unlocking Oracle users in their daily work. This article describes how to unlock Oracle users using the command line, you can use several simple unlock statements to complete this task. The specific process is as follows:
Scott users are locked by default, and they can be unlocked first to log on to the land. Use the following statement to unlock
Oracle cannot log on to Oracle using the scott user, prompting that the lock has been applied. If a connection exists, the unlock is successful. Similarly, we can unlock hr users.
Oracle cannot log on to Oracle using the scott user, prompting that the lock has been applied. If a connection exists, the unlock is successful. Similarly, we can
Some users are locked by default after oracle is installed. For example, if Scott user is often lucked, we must first try to give her unluck to use her, this article will introduce how to manually unlock scoot users. Of course, you can also go to the Enterprise Manager Console as a system administrator in Oracle and check the unlock check box!
The specific process is as follows:Command Line call SQL * Plus
DBAs often encounter unlocking Oracle users in their daily work. This article describes how to unlock Oracle users using the command line, you can use several simple unlock statements to complete this task. The specific process is as follows:
Scott users are locked by default, and they can be unlocked first to log on to the land. Use the following statement to unlock
I. UnlockingDetailed method Reference: http://bbs.ihei5.com/thread-296616-1-1.htmlPoint: 1. After downloading the necessary tools, let the phone into AP fastboot mode, enter the code fastboot OEM Get_unlock_data, get the string2. Enter the string you obtained above into the Moto website unlock address (https://motorola-global-portal.custhelp.com/app/standalone/bootloader/unlock-your-device-b) to get the
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