Makefile檔案的執行個體應用 test.c #include "stdio.h"#include "test.h"int main() {printf("this is a test. /n");PAUSE(1000);printf("this is second test. /n");KASSERT(1==1);printf("this is 3 test. /n");} test.h#define PAUSE(count)/do {/ unsigned long i;/
Some thought about current project1. Project encountered big performance issue during the Endingperiod. why is there big performance issue with million-level records?a) Too many Http requests.b) Too many DOM elements.c) Data Model is too
資料庫的存貯過程是系統開發經常用到的。使用它可以極大的提高系統的運行效率和降低維護成本等。下面來看一下幾個簡單的執行個體:(資料庫為Micorsoft SQL Server 2000)1 傳一個參數的資料庫查詢過程CREATE PROCEDURE prc_select @number int AS select * from test where 使用者號=@numberGO 2 調用過程進行資料庫更新CREATE PROCEDURE prc_update ASupdate test
中斷處理過程: 首先必須開中斷 1 ....2 發生中斷3 跳轉到中斷處理常式4 中斷處理(現在作業系統分上、下部分處理,上部分是立刻響應,下部分可以延遲響應)5 是否其他動作6 返回 詳細代碼:; Common interrupt handling code.; Save registers, call C handler function,; possibly choose a new thread to run, restore; registers, return from the
Method “xxx” with signature “xxx” is not applicable on this objectRunning into a problem with message “Method ‘xx’ with signature ‘xx’is not applicable on this object”, still trying to figure it out.Fixed.In the Original code, there are three
Software object pooling is not a new concept. There are manyscenarios where some type of object pooling technique is employed toimprove application performance, concurrency, and scalability. Afterall, having your database code create a new