大约有 18,372 项符合查询结果（耗时：0.0185秒） [XML]
PostgreSQL: How to make “case-insensitive” query
... to convert the strings to lower case before comparing.
Try this:
SELECT id
FROM groups
WHERE LOWER(name)=LOWER('Administrator')
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How to launch an Activity from another Application in Android
I want to launch an installed package from my Android application. I assume that it is possible using intents, but I didn't find a way of doing it. Is there a link, where to find the information?
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How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
When the user clicks on the EditView , Android opens the keyboard so that user can write in the EditView .
17 Answers
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How can I create a unique constraint on my column (SQL Server 2008 R2)?
...kground an unique index for the added constraint
create table Customer ( id int primary key identity (1,1) , name nvarchar(128) )
--Commands completed successfully.
sp_help Customer
---> index
--index_name index_description index_keys
--PK__Customer__3213E83FCC4A1DFA clustered, uniq...
Must qualify the allocation with an enclosing instance of type GeoLocation
...ure:
FILE GeoLocation.java
public class GeoLocation {
public static void main(String[] args) throws InterruptedException {
int size = 10;
// create thread pool with given size
ExecutorService service = Executors.newFixedThreadPool(size);
// queue some tasks
...
jQuery .scrollTop(); + animation
...ay since the class is added so quickly. if(top!=0) { console.log("hidden scroll"); body.animate({scrollTop:0}, '500', 'swing', function() { console.log("Finished animating"); leftitems.delay(1000).removeClass("slide"); }); }
– Juan Di Diego
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How to move an iFrame in the DOM without losing its state?
...show that even using native JavaScript the iFrames still reload:
http://jsfiddle.net/pZ23B/
var wrap1 = document.getElementById('wrap1');
var wrap2 = document.getElementById('wrap2');
setTimeout(function(){
document.getElementsByTagName('body')[0].appendChild(wrap1);
},10000);
...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...eedsDisplayInRect: to update just the changed parts. This is working splendidly. However, when the graphics system updates my layer, it's transitioning from the old to the new image using a cross-fade. I'd like it to switch over instantly.
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method of iterating over sqlalchemy model's defined columns?
...ed by JobStatus.__table__.columns, so rather than the original field name id, you will get jobstatus.id. Not as useful as it could be.
The solution to obtaining a list of field names as they were originally defined is to look the _data attribute on the column object, which contains the full data. ...
Add new field to every document in a MongoDB collection
...> db.foo.find()
> db.foo.insert({"test":"a"})
> db.foo.find()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> item = db.foo.findOne()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> db.foo.update({"_id" :ObjectId("4e93037bbf6f1dd3a0a9541a") },{$set : ...