大约有 40,000 项符合查询结果（耗时：0.0306秒） [XML]
sql primary key and index
...ptimize a query that uses the primary key and some other specific columns. By creating another index on the primary key column and including some other columns with it, you may reach the desired optimization for a query.
For example you have a table with many columns but you are only querying ID, N...
Difference between adjustResize and adjustPan in android?
...indow are automatically panned
so that the current focus is never obscured by the keyboard and users
can always see what they are typing. This is generally less desirable
than resizing, because the user may need to close the soft keyboard to
get at and interact with obscured parts of the window.
ac...
CHECK constraint in MySQL is not working
...e MySQL Reference Manual says:
The CHECK clause is parsed but ignored by all storage engines.
Try a trigger...
mysql> delimiter //
mysql> CREATE TRIGGER trig_sd_check BEFORE INSERT ON Customer
-> FOR EACH ROW
-> BEGIN
-> IF NEW.SD<0 THEN
-> SET NEW.SD...
How to add/update an attribute to an HTML element using JavaScript?
...
When I do the following: document.getElementById("nav").setAttribute("class", "active"); it works in the Chrome JS console, but in the actual page it doesn't work..any ideas? By the way, in the actual page I include the .js file before the end of the body scope.
...
How to affect other elements when one element is hovered
...some source where I can find more information about that ? Is it supported by all browser, is it CSS3 ? Would be great to have some more info about that. Thanks so much!
– Anonymous
Oct 19 '11 at 10:35
...
I want to use CASE statement to update some records in sql server 2005
...o].[ProductionQueueProcessAutoclaveNominals]
WHERE
[QueueId] = 3
ORDER BY
[BaseDimensionId], [ElastomerTypeId], [Id];
---- (403 row(s) affected)
UPDATE [dbo].[ProductionQueueProcessAutoclaveNominals]
SET
[CycleId] = X.[CycleId]
FROM
[dbo].[ProductionQueueProcessAutoclaveNominals]
...
How to set radio button checked as default in radiogroup?
...urse there are ways to do that without ids of your buttons, but please not by using setChecked() One way would be radiogroup.check(((RadioButton)radioGroup.getChildAt(INDEX)).getId()) or something like that
– Sprigg
Apr 29 '13 at 13:05
...
Adding parameter to ng-click function inside ng-repeat doesn't seem to work
...answered Jun 11 '13 at 8:49
Chubby BoyChubby Boy
30k1818 gold badges4242 silver badges4545 bronze badges
...
How to stop EditText from gaining focus at Activity startup in Android
..." >
And now, when the activity starts this main layout will get focus by default.
Also, we can remove focus from child views at runtime (e.g., after finishing child editing) by giving the focus to the main layout again, like this:
findViewById(R.id.mainLayout).requestFocus();
Good comment f...
Code First: Independent associations vs. Foreign key associations?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...