大约有 21,000 项符合查询结果（耗时：0.0248秒） [XML]
How do you list the primary key of a SQL Server table?
...E_SCHEMA = '<your schema name>'" as well.
– DavidStein
May 17 '13 at 15:56
If the above query returns 3 rows, a,...
How to access the GET parameters after “?” in Express?
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Could you please tell me how to validate "id" ?
– Anand Raj
Feb 9 '17 at 8:47
1
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Delete all Duplicate Rows except for One in MySQL? [duplicate]
...e.
NB - You need to do this first on a test copy of your table!
When I did it, I found that unless I also included AND n1.id <> n2.id, it deleted every row in the table.
If you want to keep the row with the lowest id value:
DELETE n1 FROM names n1, names n2 WHERE n1.id > n2.id AND n...
How to set radio button checked as default in radiogroup?
...hould check the radiobutton in the radiogroup like this:
radiogroup.check(IdOfYourButton)
Of course you first have to set an Id to your radiobuttons
EDIT: i forgot, radioButton.getId() works as well, thx Ramesh
EDIT2:
android:checkedButton="@+id/my_radiobtn"
works in radiogroup xml
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...r, I found a solution that works for me:
private static View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (view != null) {
ViewGroup parent = (ViewGroup) view.getParent();
if (parent != null)
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MySQL select one column DISTINCT, with corresponding other columns
...STINCT results from the FirstName column, but I need the corresponding ID and LastName .
12 Answers
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MYSQL OR vs IN performance
...elieve people who give their "opinion", science is all about testing and evidence.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it was 6 years ago, though...
How to print a query string with parameter values when using Hibernate
... I am using grails 2.4.4 and hibernate 4. Changing log4j configuration did not work for me but p6spy worked!
– Champ
Jan 13 '15 at 7:03
11
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How do you copy a record in a SQL table but swap out the unique id of the new row?
...ce table and destination table are the same and the primary key is a uniqueidentifier (guid). When I try this:
11 Answers
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How do you dynamically add elements to a ListView on Android?
...e explain or suggest a tutorial to dynamically create a ListView in android?
7 Answers
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