UtilData::list2Dict Function

dict list2Dict(list data, string k='stock_id’)

change a list of dict into a dict keyed by k

• data list, each item of the list is a dict.
• k string, select the k's value as new for new key in returning dict.

• dict, a new keyed by k, valued by original data.

list2Dict([{’name’:’zhangzhi’, ‘id’:123},{’name’:’cheungzee’, ‘id’:456}], k=’name’)
returns:
{
‘zhangzhi’:{’name’:’zhangzhi’, ‘id’:123}, 
‘cheungzee’:{’name’:’cheungzee’, ‘id’:456} 
}

newly built, 2012-01-21