---恢复内容开始---

arcsde10 安装在windows server2008 R2 X64 上。

从.gdb文件数据库 拷贝40W多的数据到ArcSDE ，然后postgresql就停止了，arcsde服务还没停止。真是够呛的。

到底是为什么啊？我先看看postgresql的日志吧：

pg的日志文件位于：C:\Program Files (x86)\PostgreSQL\8.3\data\pg_log

打开里现在最近的那个：这个是刚刚开启服务的

2013-08-05 17:33:45 HKT LOG:  database system was interrupted; last known up at 2013-08-05 17:27:08 HKT

2013-08-05 17:33:45 HKT LOG:  database system was not properly shut down; automatic recovery in progress

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT LOG:  redo starts at 2/3D3C9FB8

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  record with zero length at 2/3DFBDFA0

2013-08-05 17:33:45 HKT LOG:  redo done at 2/3DFBDF70

2013-08-05 17:33:45 HKT LOG:  last completed transaction was at log time 2013-08-05 17:31:09.121+08

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  database system is ready to accept connections

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  autovacuum launcher started

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT ERROR:  SAVEPOINT can only be used in transaction blocks

2013-08-05 17:33:46 HKT STATEMENT:  SAVEPOINT sp_sde_1375695226_0_183466

2013-08-05 17:33:46 HKT NOTICE:  there is no transaction in progress

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT ERROR:  SAVEPOINT can only be used in transaction blocks

2013-08-05 17:33:46 HKT STATEMENT:  SAVEPOINT sp_sde_1375695226_0_183469

2013-08-05 17:33:46 HKT NOTICE:  there is no transaction in progress

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:47 HKT ERROR:  relation "sde.sch_dataset" does not exist

2013-08-05 17:33:47 HKT STATEMENT:  SELECT 1 FROM sde.sde.SCH_DATASET WHERE 1 = 0

2013-08-05 17:34:01 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:36:29 HKT ERROR:  relation "sde.sch_dataset" does not exist

2013-08-05 17:36:29 HKT STATEMENT:  SELECT 1 FROM sde.sde.SCH_DATASET WHERE 1 = 0

刚开启服务，里面就有 ERROR的错误，这不是FATAL错误，就没关系。

看看出现FATAL错误的这个日志：

2013-08-05 17:30:04 HKT ERROR:  relation "sde.sde_logfiles" does not exist

2013-08-05 17:30:04 HKT STATEMENT:  SELECT logfile_name, logfile_id, logfile_data_id,             registration_id, flags, session_tag, column_name, logfile_data_db, logfile_data_owner, logfile_data_table FROM sde.sde.sde_logfiles WHERE flags%2 = 0

2013-08-05 17:30:13 HKT ERROR:  relation "sde.pnamehenan_none" does not exist

2013-08-05 17:30:13 HKT STATEMENT:  select  sde.sde.pnamehenan_none.*  from  sde.sde.PNamehenan_none

2013-08-05 17:30:13 HKT ERROR:  index "r178_sde_rowid_uk" does not exist

2013-08-05 17:30:13 HKT STATEMENT:  drop index sde.r178_sde_rowid_uk

2013-08-05 17:30:13 HKT ERROR:  function sde.sde.i178_get_ids(integer, integer) does not exist at character 8

2013-08-05 17:30:13 HKT HINT:  No function matches the given name and argument types. You might need to add explicit type casts.

2013-08-05 17:30:13 HKT STATEMENT:  SELECT sde.sde.i178_get_ids ($1,$2)

2013-08-05 17:30:13 HKT NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "i178_pk" for table "i178"

2013-08-05 17:30:13 HKT ERROR:  column "shape" does not exist at character 52

2013-08-05 17:30:13 HKT STATEMENT:  SELECT COUNT(*) FROM sde.sde.pnamehenan_none WHERE Shape IS NOT NULL

2013-08-05 17:31:09 HKT LOG:  server process (PID 5688) was terminated by exception 0xC0000005

2013-08-05 17:31:09 HKT HINT:  See C include file "ntstatus.h" for a description of the hexadecimal value.

2013-08-05 17:31:09 HKT LOG:  terminating any other active server processes

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:31:09 HKT FATAL:  the database system is in recovery mode

2013-08-05 17:31:09 HKT LOG:  all server processes terminated; reinitializing

2013-08-05 17:31:19 HKT FATAL:  pre-existing shared memory block is still in use

2013-08-05 17:31:19 HKT HINT:  Check if there are any old server processes still running, and terminate them.

在ntstatus.h中，有一行：

#define STATUS_ACCESS_VIOLATION          ((NTSTATUS)0xC0000005L)    // winnt

就是这个错误了。尼玛，查了一下 这就是段错误（segmentation fault）啊。PostGreSQL居然段错误停止了。。不过我安装的arcsde10 for windows自带的pg，8.3不是最新版本的PostGreSQL。可能新版本解决了bug呢。8.x最新的是8.4 我试试？应该可以安全升级才是的。9.x的估计与8.x的相差很大。

---恢复内容结束---

arcsde10 安装在windows server2008 R2 X64 上。

从.gdb文件数据库 拷贝40W多的数据到ArcSDE ，然后postgresql就停止了，arcsde服务还没停止。真是够呛的。

到底是为什么啊？我先看看postgresql的日志吧：

pg的日志文件位于：C:\Program Files (x86)\PostgreSQL\8.3\data\pg_log

打开里现在最近的那个：这个是刚刚开启服务的

2013-08-05 17:33:45 HKT LOG:  database system was interrupted; last known up at 2013-08-05 17:27:08 HKT

2013-08-05 17:33:45 HKT LOG:  database system was not properly shut down; automatic recovery in progress

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT LOG:  redo starts at 2/3D3C9FB8

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:45 HKT LOG:  record with zero length at 2/3DFBDFA0

2013-08-05 17:33:45 HKT LOG:  redo done at 2/3DFBDF70

2013-08-05 17:33:45 HKT LOG:  last completed transaction was at log time 2013-08-05 17:31:09.121+08

2013-08-05 17:33:45 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:45 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  database system is ready to accept connections

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT FATAL:  the database system is starting up

2013-08-05 17:33:46 HKT LOG:  autovacuum launcher started

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT ERROR:  SAVEPOINT can only be used in transaction blocks

2013-08-05 17:33:46 HKT STATEMENT:  SAVEPOINT sp_sde_1375695226_0_183466

2013-08-05 17:33:46 HKT NOTICE:  there is no transaction in progress

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:46 HKT ERROR:  SAVEPOINT can only be used in transaction blocks

2013-08-05 17:33:46 HKT STATEMENT:  SAVEPOINT sp_sde_1375695226_0_183469

2013-08-05 17:33:46 HKT NOTICE:  there is no transaction in progress

2013-08-05 17:33:46 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:33:47 HKT ERROR:  relation "sde.sch_dataset" does not exist

2013-08-05 17:33:47 HKT STATEMENT:  SELECT 1 FROM sde.sde.SCH_DATASET WHERE 1 = 0

2013-08-05 17:34:01 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:36:29 HKT ERROR:  relation "sde.sch_dataset" does not exist

2013-08-05 17:36:29 HKT STATEMENT:  SELECT 1 FROM sde.sde.SCH_DATASET WHERE 1 = 0

刚开启服务，里面就有 ERROR的错误，这不是FATAL错误，就没关系。

看看出现FATAL错误的这个日志：

2013-08-05 17:30:04 HKT ERROR:  relation "sde.sde_logfiles" does not exist

2013-08-05 17:30:04 HKT STATEMENT:  SELECT logfile_name, logfile_id, logfile_data_id,             registration_id, flags, session_tag, column_name, logfile_data_db, logfile_data_owner, logfile_data_table FROM sde.sde.sde_logfiles WHERE flags%2 = 0

2013-08-05 17:30:13 HKT ERROR:  relation "sde.pnamehenan_none" does not exist

2013-08-05 17:30:13 HKT STATEMENT:  select  sde.sde.pnamehenan_none.*  from  sde.sde.PNamehenan_none

2013-08-05 17:30:13 HKT ERROR:  index "r178_sde_rowid_uk" does not exist

2013-08-05 17:30:13 HKT STATEMENT:  drop index sde.r178_sde_rowid_uk

2013-08-05 17:30:13 HKT ERROR:  function sde.sde.i178_get_ids(integer, integer) does not exist at character 8

2013-08-05 17:30:13 HKT HINT:  No function matches the given name and argument types. You might need to add explicit type casts.

2013-08-05 17:30:13 HKT STATEMENT:  SELECT sde.sde.i178_get_ids ($1,$2)

2013-08-05 17:30:13 HKT NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "i178_pk" for table "i178"

2013-08-05 17:30:13 HKT ERROR:  column "shape" does not exist at character 52

2013-08-05 17:30:13 HKT STATEMENT:  SELECT COUNT(*) FROM sde.sde.pnamehenan_none WHERE Shape IS NOT NULL

2013-08-05 17:31:09 HKT LOG:  server process (PID 5688) was terminated by exception 0xC0000005

2013-08-05 17:31:09 HKT HINT:  See C include file "ntstatus.h" for a description of the hexadecimal value.

2013-08-05 17:31:09 HKT LOG:  terminating any other active server processes

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT WARNING:  terminating connection because of crash of another server process

2013-08-05 17:31:09 HKT DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2013-08-05 17:31:09 HKT HINT:  In a moment you should be able to reconnect to the database and repeat your command.

2013-08-05 17:31:09 HKT LOG:  loaded library "$libdir/plugins/plugin_debugger.dll"

2013-08-05 17:31:09 HKT FATAL:  the database system is in recovery mode

2013-08-05 17:31:09 HKT LOG:  all server processes terminated; reinitializing

2013-08-05 17:31:19 HKT FATAL:  pre-existing shared memory block is still in use

2013-08-05 17:31:19 HKT HINT:  Check if there are any old server processes still running, and terminate them.

在ntstatus.h中，有一行：

#define STATUS_ACCESS_VIOLATION          ((NTSTATUS)0xC0000005L)    // winnt

就是这个错误了。尼玛，查了一下 这就是段错误（segmentation fault）啊。PostGreSQL居然段错误停止了。。不过我安装的arcsde10 for windows自带的pg，8.3不是最新版本的PostGreSQL。可能新版本解决了bug呢。8.x最新的是8.4 我试试？应该可以安全升级才是的。9.x的估计与8.x的相差很大。

------------------------------------------------------

安装好了 ArcSDE SP1 补丁后，这个问题算是解决了，顺便把 SP2-SP5 都安装了。要顺序安装，SP5 不包括SP1 的内容的。

SP补丁下载地址：

http://support.esrichina.com.cn/support/download/ServicePack/

http://support.esri.com/en/downloads/patches-servicepacks/list/productid/66

其中ArcSDE SP1-5 所有补丁 解决的问题列表有：

http://gisupdates.esri.com/10sp5/ArcSDE/ArcSDE10sp5-issues.htm

arcsde10 postgresql8.3 服务停止问题的更多相关文章

  1. C#操作注册服务卸载服务启动服务停止服务.. .

    using Microsoft.Win32; using System; using System.Collections; using System.Collections.Generic; usi ...

  2. 监控windows服务，当服务停止后自动重启服务

    近期花时间研究了一下windows和linux下某服务停了后自动重启的功能,在网上收集了些资料,并经过测试,在此整理一下.这里介绍的是windows服务的监控,是通过批处理来实现的.本例是监控wind ...

  3. 启动和启动和停止MySQL服务停止MySQL服务

    1.  启动MySQL服务 启动MySQL服务的命令为: /etc/init.d/mysqld start 命令执行后如图7-5所示,表示启动MySQL服务成功.   (点击查看大图)图7-5  启动 ...

  4. Nginx+Keepalived主备切换（包含nginx服务停止）

    原文地址:http://blog.sina.com.cn/s/blog_79ac6aa80101bmed.html Nginx+Keepalived主备切换(包含nginx服务停止) 环境: VM中4 ...

  5. 子线程导致 Windows 服务停止的情况(Topshelf 结合 Quartz.NET)

    Ø  前言 本文主要记录子线程导致 Topshelf 和 Quartz.NET 的 Windows 服务停止的现象,以及使用几种常用子线程的注意事项.因为我们有时可能需要开启多个线程执行复杂的逻辑,如 ...

  6. mysql服务停止

    mysql链接方式分为 tcp链接和 sock链接,   你刚才看到服务停止了还能链接 那种会员是 sock的会话模式   所以需要把所有链接mysql的进程结束掉,才能启动起来的   windows ...

  7. 因Window服务器自动更新并重启导致WebSphere服务停止服务故障一例

    最近公司购买了两台Windows Server 2008 R2服务器用于提供提供Web服务,A机器安装了IHS+DM+WAS8.5集群,B机器安装了Oracle11gR2用于数据存储,两台机器均可连接 ...

  8. Redis服务停止报错解决方案[NOAUTH Authentication required]

    Redis服务器设置密码后,使用service redis stop 会出现以下信息: service redis stop Stopping ... OK (error) NOAUTH Authen ...

  9. C#管理服务停止启动

    由于机器性能问题,把许多服务关闭了,需要用的时候再开启,这样每次都打开服务管理或cmd命令比较麻烦.就自己写了工具显示在桌面上; 声明:ServiceController myController = ...

随机推荐

  1. Python - 计算个人所得税

    最近在学python,写了个计算个人所得税计算的脚本,分享. 以下为python3适用版本 #!/usr/bin/python # -*- coding: UTF-8 -*- # 该python脚本用 ...

  2. ServletContextListener 详解

    1.首先来看一看源码 该类的源码 public interface ServletContextListener extends EventListener { /** * Receives noti ...

  3. iOS 11开发教程（十四）iOS11应用代码添加视图

    iOS 11开发教程(十四)iOS11应用代码添加视图 如果开发者想要使用代码为主视图添加视图,该怎么办呢.以下将为开发者解决这一问题.要使用代码为主视图添加视图需要实现3个步骤. (1)实例化视图对 ...

  4. U盘制作Win7安装盘的方法

    Windows 7 USB/DVD download tool 微软官方说明:http://www.microsoftstore.com/st ... Win7_usbdvd_dwnTool 下载地址 ...

  5. 「BZOJ 4228」Tibbar的后花园

    「BZOJ 4228」Tibbar的后花园 Please contact lydsy2012@163.com! 警告 解题思路 可以证明最终的图中所有点的度数都 \(< 3\) ,且不存在环长是 ...

  6. hdu 4605 树状数组 ****

    题目大意很简单. 有一颗树(10^5结点),所有结点要么没有子结点,要么有两个子结点.然后每个结点都有一个重量值,根结点是1 然后有一个球,从结点1开始往子孙结点走. 每碰到一个结点,有三种情况 如果 ...

  7. 洛谷P4141消失之物

    题目描述 ftiasch 有 N 个物品, 体积分别是 W1, W2, …, WN. 由于她的疏忽, 第 i 个物品丢失了. “要使用剩下的 N – 1 物品装满容积为 x 的背包,有几种方法呢?” ...

  8. Slickflow.NET 开源工作流引擎基础介绍(十) -- 邮件轮询异步发送模块集成

    前言:在任务数据生成时,为了让办理任务的用户及时获取到待办任务的主题和内容,需要发送通知类的消息,而电子邮件和手机端的短信通知则是比较普通的消息发送.本文是针对电子邮件异步发送模块的实现来做实例说明. ...

  9. 什么是NAS

    个人理解: 1.NAS本身不是一种传输协议,只是一个名词而已,就是一个网络储存. 2.NAS系统本身就是一个Linux,也不是什么发行版,就是在Linux下实现了网络储存. 3.NAS系统里面实现了很 ...

  10. How Visual Studio 2012 Avoids Prompts for Source

    [原文地址]:http://blogs.msdn.com/b/heaths/archive/2012/07/26/how-visual-studio-2012-avoids-prompts-for-s ...