remove first column pandas

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asp.net implement recursive method to remove menu and display in DropDownList (column form) _ Practical Tips

This article illustrates the method of ASP.net implementation recursive method to remove a menu and display it in DropDownList. Share to everyone for your reference, specific as follows: The tree-shaped column display is shown in DropDownList form. protected void Page_Load (object sender, EventArgs e) {if (! IsPostBack) {DataTable table = Bllsite.getchannelnames (Currentuser.parkid); Bind

Remove a column of values from two-dimensional data and convert to a one-dimensional array

/*** Author: Heart lamp* Description: Remove one column value from two-dimensional data and convert to one-dimensional array* Date: 2006-1-18*/function Arrs2arr ($arrs, $key) {$array = Array ();foreach ($arrs as $val) {foreach ($val as $k => $v) {if ($k = = = $key) $array []= $v;}}$array = Resetkey (Array_unique ($array));return $array;} Rearrange key valuesfunction Resetkey ($arr) {$array = Array ();forea

The data in the Oracle column has multiple phone numbers separated by commas, how do I remove them separately?

ID number 1 137xxxx,138xxxxTake it out.ID number 1 137xxxx1 138xxxxcreatetabletest(idint,phonevarchar2(200));insertintotestvalues(1,‘13811111111,13311111111,13900000000‘);insertintotestvalues(2,‘15811111111,15911111111,18800000000‘);selectid,cfrom(withtas(selectid,phonecfromtest)selectid,substr(t.ca,instr(t.ca,‘,‘,1,c.lv)+1,instr(t.ca,‘,‘,1,c.lv+1)-(instr(t.ca,‘,‘,1,c.lv)+1))AScfrom(selectid,‘,‘||c||‘,‘ASca,length(c||‘,‘)-nvl(length(REPLACE(c,‘,‘)),0)AScntFROMt)t,(selectLEV

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