大约有 19,000 项符合查询结果（耗时：0.0377秒） [XML]
When would you use a WeakHashMap or a WeakReference?
...s, because loading them from disk
is very expensive and you want to
avoid the possibility of having two
copies of the (potentially gigantic)
image in memory at once.
Because an image cache is supposed to
prevent us from reloading images when
we don't absolutely need to, you will
q...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...There is no such method that just update a "part of the screen" since Android OS is redrawing every pixel when updating the screen. But, when you're not clearing old drawings on your Canvas, the old drawings are still on the surface and that is probably one way to "update just a part" of the screen....
Ignore mouse interaction on overlay image
...nd-image:url(../img/reflection.png);
background-repeat:no-repeat;
width: 195px;
pointer-events:none;
}
pointer-events attribute works pretty good and is simple.
share
|
improve this an...
Best way to implement keyboard shortcuts in a Windows Forms application?
...
You probably forgot to set the form's KeyPreview property to True. Overriding the ProcessCmdKey() method is the generic solution:
protected override bool ProcessCmdKey(ref Message msg, Keys keyData) {
if (keyData == (Keys.Control | Keys.F)) {
MessageBox.Show("What the Ctrl+F?");
return...
Git pull after forced update
I just squashed some commits with git rebase and did a git push --force (which is evil, I know).
3 Answers
...
Inspect element that only appear when other element is mouse overed/entered
...k on the icon, then click on the tooltip :)
– Šime Vidas
Jul 16 '14 at 20:40
3
...
Entity framework linq query Include() multiple children entities
..."Employee.Employee_Country") ;
}
public static Company CompanyById(this NameOfContext context, int companyID){
return context.Companies
.Include("Employee.Employee_Car")
.Include("Employee.Employee_Country")
.FirstOrDefault(c => c.Id == c...
How to trigger event in JavaScript?
...eady accepted and the person who wrote the question (@KoolKabin) probably didn't re-read the answers
– Dorian
Jul 16 '16 at 13:24
4
...
Django REST Framework: adding additional field to ModelSerializer
... return foo.name == "bar"
class Meta:
model = Foo
fields = ('id', 'name', 'my_field')
http://www.django-rest-framework.org/api-guide/fields/#serializermethodfield
share
|
improve thi...
INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server
...ck from the view to the controller, so it was always 0 (which was not a valid id, but the controller would have no way of knowing that.)
– neminem
Dec 4 '13 at 19:49
1
...