大约有 40,000 项符合查询结果（耗时：0.0457秒） [XML]
SQL order string as number
...olumn value to an integer explicitly with
select col from yourtable
order by cast(col as unsigned)
or implicitly for instance with a mathematical operation which forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
...
Selecting empty text input using jQuery
...a bug in the Sizzle selector engine, but I don't have time to investigate. By the way, I would suggest using an element tag in the selector, otherwise each element will be checked to see if there is a match for the attribute values.
– Russ Cam
Aug 19 '09 at 12:...
Sort a list from another list IDs
...
docs = docs.OrderBy(d => docsIds.IndexOf(d.Id)).ToList();
share
|
improve this answer
|
follow
|
...
Select statement to find duplicates on certain fields
... can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a criterion for deciding how you define "first rows" bef...
Are class names in CSS selectors case sensitive?
... are not. I specifically left tag names out of my answer for this reason. (By the way, tag names are only case sensitive in true XHTML, regardless of the doctype - if jsFiddle could let you force the page to be served as application/xhtml+xml, the DIV selector would no longer match.)
...
Check if checkbox is checked with jQuery
..."chk[]" value="Bananas" />
Instead, drop the ID, and then select them by name, or by a containing element:
<fieldset id="checkArray">
<input type="checkbox" name="chk[]" value="Apples" />
<input type="checkbox" name="chk[]" value="Bananas" />
</fieldset>
And ...
How to obtain a Thread id in Python?
...tility function, writeLog(message) , that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message.
...
T-SQL stored procedure that accepts multiple Id values
...more accurate results on SQL Server 2008r when I was searching text fields by using "join dbo.SplitWords(@MyParameterArray) p ON CHARINDEX(p.value, d.MyFieldToSearch) > 0 "
– Darkloki
May 24 '17 at 19:14
...
How did Google manage to do this? Slide ActionBar in Android application
... new MenuItem();
viewHolder.label = (TextView) rowView.findViewById(R.id.menu_label);
viewHolder.icon = (ImageView) rowView.findViewById(R.id.menu_icon);
rowView.setTag(viewHolder);
}
MenuItem holder = (MenuItem) rowView.getTag();
String s...
How to add a button to PreferenceScreen
...ntView(R.layout.main);
The ListView in your layout will then be replaced by the preferences defined the usual way in res/xml/preferences.xml.
share
|
improve this answer
|
...