Arbitrage POJ - 2240 Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currency. For example, suppose that 1 US Dollar buys 0.5 British
官方解釋:ORA-01002:fetch out of sequenceCause:In a host language program, a FETCH call was issued out of sequence. A successful parse-and-execute call must be issued before a fetch. This can occur if an attempt was made to FETCH from an active set after
【轉】XIP - eXecute In Place,中文常譯為,就地執行。指代碼可以在當前(儲存空間中)執行關於Nor Flash的XIP :NAND and NOR and XIP"NOR的特點是晶片內執行(XIP, eXecute In Place),這樣應用程式可以直接在flash快閃記憶體內運行,不必再把代碼讀到系統RAM中。NOR的傳輸效率很高,在1~4MB的小容量時具有很高的成本效益,但是很低的寫入和擦除速度大大影響了它的效能。 NAND結構能提供極高的單元密度,可以達到高儲存密度,
original link http://louisnetwork.blog.sohu.com/111930387.html FTP這兩個mode比較冷僻,一般不會注意到這個,但今天被我遇到了,一定要研究下,突然發現用xp-built的cmd去登某個FTP server下東西的時候,一定要手動去改成BIN mode,不然檔案下下來卻打不開,ftp server用的是linux系統.而如果換成用browser去登這個FTP server的時候,抓包發現,ftp client會主動要求改成BIN
original link http://louisnetwork.blog.sohu.com/111972027.html 在工作中,有的實驗會牽扯到IGMP snooping,談到IGMP snooping,又難免會想到IGMP proxy,有的時候多想像,多思考一下或許有更深的體會哦.那他們之間的區別是什麼呢,先來看下面這個圖,l2 switch開啟了IGMP snooping,router1是一個遠程multicast
找了幾天終於通過下面的文章解決了(下載sp)。。。沒空翻譯,大家將就將就 From time to time I post fixes that I have found that aren’t on the net. It’s so others don’t have to go through the same aggravation as myself. This one relates to SQL Server Reporting Services (SSRS). More