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将DataGridView每一行的复选框选中,将DataGridView选中的复选框删除
1,将DataGridView每一行的复选框选中//DataGridView的行大于0行if (dgv_MessageList.Rows.Count > 0) { for (int i = 0; i 0) { for (int i = 0; i < dgv_MessageList.Rows.Cou....
分类:Windows程序   时间:2014-07-18 20:10:58    阅读次数:315
MySQL的SQL_CALC_FOUND_ROWS
分页程序一般由两条SQL组成:SELECT COUNT(*) FROM ... WHERE ....SELECT ... FROM ... WHERE LIMIT ... 如果使用SQL_CALC_FOUND_ROWS的话,一条SQL就可以了:SELECT SQL_CALC_FOUND_ROWS ....
分类:数据库   时间:2014-07-18 19:24:17    阅读次数:292
Linux Loopback 使用
有时候需要一个独立的块设备,loopback是个方便的选择,可通过如下方式创建dd if=/dev/zero of=./loopback_file bs=1M count=1000losetup /dev/loop0 ./loopback_file首先建立一个指定大小的文件作为实际存储的空间,然后将...
分类:系统相关   时间:2014-07-18 14:39:41    阅读次数:625
VBA读取文件夹下所有文件夹及文件内容,并以树形结构展示
Const TR_LEVEL_MARK = "+"Const TR_COL_INDEX = "A"Const TR_COL_LEVEL = "E"Const TR_COL_NAME = "C"Const TR_COL_COUNT = "D"Const TR_COL_TREE_START = "F"C...
分类:其他好文   时间:2014-07-18 14:16:07    阅读次数:414
【DataStructure】Charming usage of Set in the java
In an attempt to remove duplicate elements from list, I go to the lengths to take advantage of  methods in the java api. After investiagting the document of java api, the result is so satisfying that...
分类:编程语言   时间:2014-07-18 14:02:00    阅读次数:282
luvit 初尝鲜
官网:http://luvit.io/Luvit is an attempt to do something crazy by taking node.js' awesome architecture and dependencies and seeing how it fits in the Lu...
分类:其他好文   时间:2014-07-18 10:03:40    阅读次数:317
Linux命令之WC
$ wc story.txt39 237 1901 story.txt● Use -l for only line count● Use -w for only word count● Use -c for only byte count● Use -m for character count (n...
分类:系统相关   时间:2014-07-18 00:22:31    阅读次数:278
pthread_count_t与pthread_mutex_t的运用
#include #include #include pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;/*初始化互斥锁*/ pthread_cond_t cond = PTHREAD_COND_INITIALIZER;/*初始化条件变量*/ void *thread1(void *); void *thread2(void *)...
分类:其他好文   时间:2014-07-17 20:10:40    阅读次数:218
Static静态变量和非静态变量
public class StaticDemo { private int count=0; private static int staticCount=0; public StaticDemo() { System.out.println(++count); System.out.println(++staticCount); } public static void mai...
分类:其他好文   时间:2014-07-17 16:26:01    阅读次数:184
TimerHandler的简单应用
利用TimerHandler做一个闪烁10次的效果pEntity.registerUpdateHandler(newTimerHandler(0.3f,true,newITimerCallback(){intcount=20;@OverridepublicvoidonTimePassed(TimerHandlerpTimerHandler){count--;if(count>0){pEntity.setVisible(count%2==1);}else{pEntity.unregi..
分类:其他好文   时间:2014-07-17 15:10:08    阅读次数:282
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