namespace Test { using System; using System.Windows.Forms; static class Program { /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.EnableVisualStyles(); Application.SetComp…

namespace ConsoleApplication { using System; using System.Threading; using Microshaoft; /// <summary> /// Class1 的摘要说明. /// </summary> public class Program { /// <summary> /// 应用程序的主入口点. /// </summary> //[STAThread] static void Mai…

Comparing Workflows The array of possible workflows can make it hard to know where to begin when implementing Git in the workplace. This page provides a starting point by surveying the most common Git workflows for enterprise teams. As you read throu…

https://www.atlassian.com/git/tutorials/comparing-workflows Comparing Workflows The array of possible workflows can make it hard to know where to begin when implementing Git in the workplace. This page provides a starting point by surveying the most…

链接:http://acm.tju.edu.cn/toj/showp4123.html 4123.   Job Scheduling Time Limit: 1.0 Seconds   Memory Limit: 65536K Total Runs: 130   Accepted Runs: 29 Given N jobs, each denoted by a 2-tuples integer (pi, ri) where pi is the processing time and ri is…

BACKGROUND The present invention relates generally to multithreaded programming and, more specifically, to mutual exclusion of readers and writers in a multithreaded programming environment. Mutual exclusion is a programming technique that ensures th…

flutter安装完成后执行flutter doctor ,一直提示如下: Waiting for another flutter command to release the startup lock- 解决办法,进入到flutter文件夹中找到 bin/cache/lockfile 并删除 再次执行flutter doctor就能正常运行…

Waiting for another flutter command to release the startup lock… 异常解决 平时我们在开发flutter过程中,在执行flutter packages get 命令 或者 flutter packages upgrade之后, 经常遇到这个错误提示: Waiting for another flutter command to release the startup lock... 然后你会发现会发现在任何地方执行flutter命令…

执行 Flutter 包管理相关命令时有可能遇到 Waiting for another flutter command to release the startup lock... 这样的错误,可尝试杀死所有的 dart 进程解决: // Linux killall -9 dart // Windows taskkill /F /IM dart.exe 亦可通过删除 flutter 安装目录下的 bin/cache/lockfile 文件解决 参考:https://zhuanlan.zhihu…

2019独角兽企业重金招聘Python工程师标准>>> rm ./flutter/bin/cache/lockfile info from 转载于:https://my.oschina.net/boogoogle/blog/3030592…

更多内容参考: http://docs.oracle.com/cd/E51111_01/current/acrobat/122ebsmt.zip Preparing for Patching For patches that have manual steps, the patch readme file instructs you to use Oracle Patch Application Assistant (PAA) to create customized instructions…

A method includes storing, with a first programmable processor, shared variable data to cache lines of a first cache of the first processor. The method further includes executing, with the first programmable processor, a store-with-release operation,…

New Features, Feature Enhancements and Behavior ChangesSubforms – Behavior Change for Unsupported Task ModeStarting with this version, if an Online task that is running in a Subform control cannot be executed, the task and the host task will remain o…

In This Document Section 1: Overview Section 2: Pre-Upgrade Steps Section 3: Upgrade and Configuration Section 4: Post-installation Steps Section 5: Known Issues Section 6: Appendices This document covers the procedure to upgrade the version of the J…

整了一天,感觉坑挺多. 1. 选择如图中的选项Android Studio进行签名打包: 2. 填写APP对应的信息:(最好用个文本记下来放在项目中同步给Team) - Key store path: 如果是新APP则创建,如果已经有了选择就行: - Key store password: ******* - Key alias(别名): 自定义 - 如果是新创建的文件需要选择时间,整个25年足够用了,公司信息填上就OK - 下一步后选择release就开始打包 3. Android Studi…

在检查一Linux服务器时,发现日志里面有大量"lvm[12446]: Another thread is handling an event. Waiting..." Jul  4 00:01:42 localhost lvm[12446]: Another thread is handling an event. Waiting... Jul  4 00:09:36 localhost lvm[12446]: Another thread is handling an event.…

转自:http://ctripmysqldba.iteye.com/blog/1938150 (有修改) MySQL在进行alter table等DDL操作时,有时会出现Waiting for table metadata lock的等待场景.而且,一旦alter table TableA的操作停滞在Waiting for table metadata lock的状态,后续对TableA的任何操作(包括读)都无法进行,因为他们也会在Opening tables的阶段进入到Waiting for…

MySQL在进行alter table等DDL操作时,有时会出现Waiting for table metadata lock的等待场景.而且,一旦alter table TableA的操作停滞在Waiting for table metadata lock的状态,后续对TableA的任何操作(包括读)都无法进行,因为他们也会在Opening tables的阶段进入到Waiting for table metadata lock的锁等待队列.如果是产品环境的核心表出现了这样的锁等待队列,就会造成…

Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules for the customers to wait in line are: The space inside the yellow line in front of each window is…

Suppose a bank has N windows open for service.  There is a yellow line in front of the windows which devides the waiting area into two parts.  The rules for the customers to wait in line are: The space inside the yellow line in front of each window i…

最近经常遇到mysql数据库死锁,郁闷死, show processlist; 时 Waiting for table metadata lock 能一直锁很久 下面有官网的一段话,可以理解下 http://dev.mysql.com/doc/refman/5.5/en/metadata-locking.html 8.10.4. Metadata Locking MySQL 5.5.3 and up uses metadata locking to manage access to object…

转自http://www.cnblogs.com/digdeep/p/4892953.html 转自:http://ctripmysqldba.iteye.com/blog/1938150 (有修改) MySQL在进行alter table等DDL操作时,有时会出现Waiting for table metadata lock的等待场景.而且,一旦alter table TableA的操作停滞在Waiting for table metadata lock的状态,后续对TableA的任何操作(包…

DeployingCustomizations in Oracle E-Business Suite Release 12.2 This documentdescribes how to deploy customizations in an Oracle E-Business Suite Release12.2 environment. Follow these instructions to ensure that your customizationsare handled appropr…

一.线程5种状态 新建状态(New) 新创建了一个线程对象. 就绪状态(Runnable) 线程对象创建后,其他线程调用了该对象的start()方法.该状态的线程位于可运行线程池中,变得可运行,等待获取CPU的使用权. 运行状态(Running) 就绪状态的线程获取了CPU,执行程序代码. 阻塞状态(Blocked) 阻塞状态是线程因为某种原因放弃CPU使用权,暂时停止运行.直到线程进入就绪状态,才有机会转到运行状态.阻塞的情况分三种: 等待阻塞:运行的线程执行wait()方法,JVM会把该线程…

出现下图这个现象之前是在一张事务操作频繁地表上,执行了truncate操作. mysql.sock@(none)> select user,host,db,command,time,state,info from information_schema.processlist where user='root'\G; *************************** . row *************************** user: root host: localhost db…

Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules for the customers to wait in line are: The space inside the yellow line in front of each window is…

Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules for the customers to wait in line are: The space inside the yellow line in front of each window is…

RAC11.2.0.4静默安装 1.0版本,20180613 #本文档IP地址使用X隐藏,个人可按照自己的当前环境IP进行适当修改 1. 清除原环境中的单实例软件 #清除原环境: 删除/etc/ora* 删除 /usr/local/bin/oraenv 删除 /usr/local/bin/dbhome 删除 /usr/local/bin/coraenv 删除 $ORACLE_BASE/* 删除 cd /picclife/app  rm -rf * #解释说明: /etc/oratab ?数据库实…

MySQL版本为5.6.12. 在进行alter table操作时,有时会出现Waiting for table metadata lock的等待场景.而且,一旦alter table TableA的操作停滞在Waiting for table metadata lock的状态,后续对TableA的任何操作(包括读)都无法进行,也会在Opening tables的阶段进入Waiting for table metadata lock的队列.如果是产品环境的核心表出现了这样的锁等待队列,就会造成灾…

Go 1.8 Release Notes Introduction to Go 1.8 Changes to the language Ports Known Issues Tools Assembler Yacc Fix Pprof Trace Vet Compiler Toolchain Cgo Gccgo Default GOPATH Go get Go bug Go doc Plugins Runtime Argument Liveness Concurrent Map Misuse M…