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android set listview text color

 ArrayAdapter<String> adapter=new ArrayAdapter<String>(
            this, android.R.layout.simple_list_item_1, listItems){

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View view =super.getView(position, convertView, parent);

            TextView textView=(TextView) view.findViewById(android.R.id.text1);

            /*YOUR CHOICE OF COLOR*/
            textView.setTextColor(Color.BLUE);

            return view;
        }
    };

    /*SET THE ADAPTER TO LISTVIEW*/
    setListAdapter(adapter);

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go url encoding

func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits. func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits.

mongo db mongodb search index engine

创建全文索引 考虑以下 posts 集合的文档数据,包含了文章内容(post_text)及标签(tags): { "post_text" : "enjoy the mongodb articles on Runoob" , "tags" : [ "mongodb" , "runoob" ] } 我们可以对 post_text 字段建立全文索引,这样我们可以搜索文章内的内容: > db . posts . ensureIndex ({ post_text : "text" }) 使用全文索引 现在我们已经对 post_text 建立了全文索引,我们可以搜索文章中的关键词 runoob: > db . posts . find ({ $text :{ $search : "runoob" }})