大约有 18,500 项符合查询结果（耗时：0.0318秒） [XML]
What's the best way to set a single pixel in an HTML5 canvas?
...e a 1×1 image data, set the color, and putImageData at the location:
var id = myContext.createImageData(1,1); // only do this once per page
var d = id.data; // only do this once per page
d[0] = r;
d[1] = g;
d[2] = b;
d[3] = a;
myContext.putImageData( id, x, y ); ...
android edittext onchange listener
...ourClass extends Activity {
private EditText yourEditText;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
yourEditText = (EditText) findViewById(R.id.yourEditTextId);
yourE...
View's SELECT contains a subquery in the FROM clause
...
create view view_clients_credit_usage as
select client_id, sum(credits_used) as credits_used
from credit_usage
group by client_id
create view view_credit_status as
select
credit_orders.client_id,
sum(credit_orders.number_of_credits) as purchased,...
How to obtain the last path segment of a URI
...I . how is it possible to get the last path segment (that in my case is an id)?
12 Answers
...
What is the size limit of a post request?
...test to the fact that this works :)
If you're using IIS, I don't have any idea how you'd set this particular value.
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MongoDB - Update objects in a document's array (nested updating)
...o use the positional "$" operator. Something like:
db.bar.update( {user_id : 123456 , "items.item_name" : "my_item_two" } ,
{$inc : {"items.$.price" : 1} } ,
false ,
true);
Note that this will only increment the first matched subdocument in any...
jquery how to empty input field
...nput type="number" min="0' max="10" value="5"></input>? I guess said differently, are you allowed to set a numeric input to be blank?
– Kevin Wheeler
Jun 10 '15 at 21:49
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Android: Force EditText to remove focus? [duplicate]
...ocus from the EditText. For example if the Keyboard appears, and the user hides it with the back button, I would like the focus and the cursor to disappear. How can it be done?
...
Gson - convert from Json to a typed ArrayList
...og is an interface implemented by different kinds of logs made by my Android app--SMS logs, call logs, data logs--and this ArrayList is a collection of all of them. I keep getting an error in line 6.
...
MySQL get row position in ORDER BY
...
Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
t.name,
@rownum := @rownum + 1 AS position
FROM TABLE t
JOIN (SELECT @rownum := 0) r
ORDER BY t.name) x
WHERE...