看上去,JavaScript的变量类型,也可以分为值类型和引用类型.赋值操作中,值类型,各自独立,互不干涉:引用类型,指针而已,大家指向同一个对象. 为什么这样说呢? 我是从jeasyUI的treegrid批量删除多行操作中知道的. treegrid中批量删除多行,首先要获得选中的那些行: var rows = _grid.treegrid('getSelections'); 然后遍历之,删除之 for (var i = 0; i < rows.length; i++) { var id…
看上去,javascript的变量类型,也可以分为值类型和引用类型.赋值操作中,值类型,各自独立,互不干涉:引用类型,指针而已,大家指向同一个对象. 为什么这样说呢? 我是从jeasyUI的treegrid批量删除多行操作中知道的. treegrid中批量删除多行,首先要获得选中的那些行: var rows = _grid.treegrid('getSelections'); 然后遍历之,删除之 for (var i = 0; i < rows.length; i++) { var id…
批量压缩.bat--要和将要压缩的文件在同一级目录下 for /d %%X in (*) do "D:\Program Files\7-Zip\7z.exe" a "%%X.zip" ".\%%X\*" [技巧] a 添加文件到压缩档案. 7z a archive1.zip subdir\ :增加subdir文件夹下的所有的文件和子文件夹到archive1.zip中,archived1.zip中的文件名包含subdir\前缀. 7z a…
ssh连接批量修改主机名报出以下提示: [root@bqh-nfs- ~]# vim modfilyhostname.sh [root@bqh-nfs- ~]# sh modfilyhostname.sh Address 192.168.43.117 maps to bogon, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT! Address 192.168.43.118 maps to bogon,…
UPDATE categories SET display_order = CASE id WHEN 1 THEN 3 WHEN 2 THEN 4 WHEN 3 THEN 5 END, title = CASE id WHEN 1 THEN 'New Title 1' WHEN 2 THEN 'New Title 2' WHEN 3 THEN 'New Title 3' EN…
<update id = "dishBatchSaleOrDown"> <if test="ids != null"> <if test="isDelete != null"> update dishData set isDelete = #{isDelete} where id IN <foreach collection="ids" item="id" open…
$sql = "select a.id as max_id,a.uid from(SELECT `uid`, idFROM (`users_level_change_log`)WHERE `uid` IN ( ".$uids_str." )AND `level_type` = 2AND `create_time` < '{$now_month}'order by id desc ) as a group by a.uid";…
#include<iostream> #include<string> #include<vector> using namespace std; int main() { vector<string> str={"The is C++ program ","hfh ","","hfdshfisoid"}; for(auto it=str.begin();it!=str.end(…
