【C#】Max concurrent tasks

【MS-SQL】Cannot open backup device 'xxx'. Operating system error 5(Access is denied.)

Cannot open backup device 'E:\folder-name\file-name.bak'. Operating system error 5(Access is denied.).

【MS-SQL】Connection pool

Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.

【MS-SQL】BACKUP LOG cannot be performed because there is no current database backup

BACKUP LOG cannot be performed because there is no current database backup

不確定是 shrink 還是改 log size 或其他什麼的，突然沒辦法用之前做的 full back 還原。

【MS-SQL】The transaction log for database 'DatabaseName' is full due to 'LOG_BACKUP'

The transaction log for database 'DatabaseName' is full due to 'LOG_BACKUP'

【C#】0x string to byte[] and convert back

MD5 測試用到的

【C#】IProgress

IProgress 是類似輕量化版的 BackgroundWorker

【C#】Various kinds of lock

除了標準的 lock (){} 外，還有對應不同應用的其他鎖

【C#】Interlocked

為多重執行緒共用的變數提供不可部分完成的作業 (Atomic Operation)。

【C#】Task

Task 是抽象化後的緒操作類(from the thread pool)

【C#】Exception handling while multi-threading

【C#】Thread 101

【Dairy】Word multilevel list convex

1.1 xxx
1.2 xxx
...
1.10       xxx
凸一大格的問題

【SQL】The transaction log for database is full due to 'LOG_BACKUP'

交易紀錄滿了的處理

【C#】Lock

讓多執行緒在同時無法存取同段程式

【C#】Synchronize thread

多執行緒同步

【C#】Generics

從之前寫的文章拆出來

【SQL】Close single user mode

在 master 強制設 DB 回多使用者

【C#】Ping

【SQL】SQL Profiler can't edit filter

雖然覺得自己很白癡，但這已經第二次發生了，還是紀錄一下，讓大家笑笑

【Windows】Service account

【Windows Server】Domain, workgroup

【MS-SQL】Login, user, role

【MS-SQL】Connection, session, transaction