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ON_COMMAND_EX、ON_COMMAND区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...定义的消息处理函数解释该参数是当前要处理的命令消息ID。
返回值:如果扩展映射宏的消息处理函数返回FALSE,则导致当前消息被发送给消息路径上的下一个消息目标处理。
综合来看,ON_COMMAND_EX宏有两个功能:
一是可以...
常用Sql - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ists tablename;
mysql:建立索引Sql
CREATE TABLE tablename (
`ID` decimal(18,0) NOT NULL COMMENT '递增ID',
`FIELD_1` varchar(32) NOT NULL COMMENT '字段1',
`FIELD_2` varchar(32) NOT NULL COMMENT '字段2',
...
SQL中使用update inner join和delete inner join;Oracle delete join替代...
...tb_User usr
inner join tb_Address addr on usr.nAddressFK = addr.nAddressID
where usr.id=123
update的格式是
update t1 set t1.name=’Liu’ from t1 inner join t2 on t1.id = t2.tid
MySQL,ACCESS 写法如下:
Sql代码
UPDATE mem_world AS mw1 INNER JOIN mem_world AS ...
phpcms v9内容页/下载页更新时间(updatetime)为空的解决方法 - 更多技术 ...
... define('INDEX_HTML',true);
$catid = $_POST['info']['catid'] = intval($_POST['info']['catid']);
if(trim($_POST['info']['title'])=='') showmessage(L('title_is_empty'));
$category = $this->categorys[$catid];
...
PHPCMS判断首页列表页内页分类 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...页内页分类有一些有意思的PHPCMS页面判断,比如通过 {$catid} 就可以调出栏目ID,但我们在制作PHPCMS模板时,经常会遇到否栏目,比如首页,就可以这...有一些有意思的PHPCMS页面判断,比如通过 {$catid} 就可以调出栏目ID,但我们在...
plsql 存储过程 事务 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的数据量
例子:
create or replace procedure stu_proc
(
v_id in number,
v_name in varchar2,
v_age in number,
v_msg out varchar2
) as
begin
insert into student(id, sname, age) values (v_id, v_name, v_age);
commit;
v_msg:='添加成功';
exception
when others th...
常用Sql - 爬虫/数据库 - 清泛IT社区,为创新赋能!
...name;
mysql:建立索引Sql
CREATE TABLE tablename (
`ID` decimal(18,0) NOT NULL COMMENT '递增ID',
`FIELD_1` &...
MSSQL Error 'The underlying provider failed on Open'
I was using an .mdf for connecting to a database and entityClient . Now I want to change the connection string so that there will be no .mdf file.
...
How can I see the raw SQL queries Django is running?
Is there a way to show the SQL that Django is running while performing a query?
16 Answers
...
How do I get the dialer to open with phone number displayed?
...ks with phone numbers from Denmark as well :) You do not need to add +45 before the number. It works fine just parsing the phone number
– ymerdrengene
Jun 4 '14 at 12:41
1
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