大约有 46,000 项符合查询结果（耗时：0.0475秒） [XML]
Get top n records for each group of grouped results
... := 0) AS vars. I get the idea is to declare empty variables, but it seems extraneous for MySql.
– Joseph Cho
Jun 6 '18 at 18:42
1
...
Gridview with two columns and auto resized images
... return v;
}
private static class Item {
public final String name;
public final int drawableId;
Item(String name, int drawableId) {
this.name = name;
this.drawableId = drawableId;
}
}
}
Set that adapter to your GridView:
@O...
Why doesn't Java support unsigned ints?
...er performance rather than assuming it to be true. It is possible that the extra jiggery-pokery required to manipulate shorts rather than ints (which is usually the type that the processor 'likes to use') could actually be detrimental to performance in a particular application. Not always, but you s...
Generating an Excel file in ASP.NET [closed]
...olumn ss:Width="200" />
<Row>
<Cell><Data ss:Type="String">A</Data></Cell>
<Cell><Data ss:Type="String">B</Data></Cell>
</Row>
<Row>
<Cell><Data ss:Type="String">C</Data></Cell>
<C...
Most efficient way to concatenate strings in JavaScript?
...loop that has many iterations, and in each iteration, I am creating a huge string with many += operators. Is there a more efficient way to create a string? I was thinking about creating a dynamic array where I keep adding strings to it and then do a join. Can anyone explain and give an example of ...
Why doesn't .NET/C# optimize for tail-call recursion?
...
performance, but about ability to run at all.
Also let me mention (as extra info), When we are generating a compiled lambda using expression classes in System.Linq.Expressions namespace, there is an argument named 'tailCall' that as explained in its comment it is
A bool that indicates if ta...
JavaScript module pattern with example [closed]
...y builds the project for CSS pre-processors. So it is just about adding an extra task for Grunt/Gulp...
– Dmitry Sheiko
Aug 12 '14 at 12:01
|
...
Setting unique Constraint with fluent API?
.... :( There must be a constant for it in the framework to not hard code the string.
– Alexander Vasilyev
Jul 10 '14 at 7:09
...
How to find out which view is focused?
....getId() != oldId) {
oldId = view.getId();
String idName = "";
try {
idName = getResources().getResourceEntryName(newView.getId());
} catch (Resources.NotFoundException e) {
idName = String.valueOf...
Assembly code vs Machine code vs Object code?
... of what you wrote to actual machine instructions. And I wouldn't call the extra code put in by compilers "unecessary"
– Joel Coehoorn
Mar 22 '13 at 20:54
...