大约有 10,900 项符合查询结果(耗时:0.0280秒) [XML]
How do I get a distinct, ordered list of names from a DataTable using LINQ?
...lumn. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.
...
Are nested span tags OK in XHTML?
...
Yes it will. You can help yourself by using the w3's validator direct input option:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www....
MySQL - How to select data by string length
...
Having a look at MySQL documentation for the string functions, we can also use CHAR_LENGTH() and CHARACTER_LENGTH() as well.
share
|
improve this answer
|
follow
...
C#/Linq: Apply a mapping function to each element in an IEnumerable?
...
You can just use the Select() extension method:
IEnumerable<int> integers = new List<int>() { 1, 2, 3, 4, 5 };
IEnumerable<string> strings = integers.Select(i => i.ToString());
Or in LINQ syntax:
IEnumera...
Get dimension from XML and set text size in runtime
...
For text size, why can't I use TypedValue.COMPLEX_UNIT_SP instead?
– dphans
Oct 24 '18 at 15:20
...
Ruby Array find_first object?
...ound_object = my_array.find { |e| e.satisfies_condition? }
otherwise you can use any?
found_it = my_array.any? { |e| e.satisfies_condition? }
The latter will bail with "true" when it finds one that satisfies the condition.
The former will do the same, but return the object.
...
Android detect Done key press for OnScreen Keyboard
...
@MaulikDodia You can use butterknife's @OnEditorAction()
– Ridcully
Feb 1 '18 at 8:20
...
Update one MySQL table with values from another
...You should have indexes on tobeupdated.value and original.value
EDIT:
we can also simplify the query
UPDATE tobeupdated
INNER JOIN original USING (value)
SET tobeupdated.id = original.id
USING is shorthand when both tables of a join have an identical named key such as id. ie an equi-join - http...
Css pseudo classes input:not(disabled)not:[type=“submit”]:focus
...sabled and are not submit type, below css is not working, maybe if someone can explain me how this must be added .
3 Answer...
How can I suppress column header output for a single SQL statement?
... ErichBSchulz for pointing out the -N alias.
To remove the grid (the vertical and horizontal lines) around the results use -s (--silent). Columns are separated with a TAB character.
mysql -s ...
use testdb;
select * from names;
id name
1 pete
2 john
3 mike
To output the data with no head...