大约有 10,000 项符合查询结果（耗时：0.0165秒） [XML]
Determining the size of an Android view at runtime
I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to differe...
Difference between this and self in JavaScript
...nd is not in strict mode, this defaults to window, and therefore
function foo() {
console.log(
window.self === window, // is self window?
window.self === this, // is self this?
this === window // is this window?
);
}
foo(); // true true true
If you're usi...
Django migration strategy for renaming a model and relationship fields
...0001_initial'),
]
operations = [
migrations.RenameModel('Foo', 'Bar'),
migrations.RenameField('AnotherModel', 'foo', 'bar'),
migrations.RenameField('YetAnotherModel', 'foo', 'bar')
]
You may get some errors if you don't update the names where it's imported e.g...
C/C++ with GCC: Statically add resource files to executable/library
...t.
I have used objcopy (GNU binutils) to link the binary data from a file foo-data.bin into the data section of the executable:
objcopy -B i386 -I binary -O elf32-i386 foo-data.bin foo-data.o
This gives you a foo-data.o object file which you can link into your executable. The C interface looks s...
How to determine if object is in array [duplicate]
I need to determine if an object already exists in an array in javascript.
11 Answers
...
Internet Explorer's CSS rules limits
I've read conflicting information regarding Internet Explorer's silly CSS limits. I am (think I am) understanding that you can only have 31 <style> and <link> tags (combined), and that each sheet can have up to 31 @import -s (so 31 <link> -s, each to 31 @import -s is fine, a...
Meaning of 'const' last in a function declaration of a class?
...t;iostream>
class MyClass
{
private:
int counter;
public:
void Foo()
{
std::cout << "Foo" << std::endl;
}
void Foo() const
{
std::cout << "Foo const" << std::endl;
}
};
int main()
{
MyClass cc;
const MyClass&...
When monkey patching an instance method, can you call the overridden method from the new implementat
...nce
So, if at all possible, you should prefer something like this:
class Foo
def bar
'Hello'
end
end
class ExtendedFoo < Foo
def bar
super + ' World'
end
end
ExtendedFoo.new.bar # => 'Hello World'
This works, if you control creation of the Foo objects. Just change every ...
How to send data to local clipboard from a remote SSH session
Borderline ServerFault question, but I'm programming some shell scripts, so I'm trying here first :)
11 Answers
...
Iterate a list as pair (current, next) in Python
I sometimes need to iterate a list in Python looking at the "current" element and the "next" element. I have, till now, done so with code like:
...