大约有 43,000 项符合查询结果（耗时：0.0661秒） [XML]
How to set cornerRadius for only top-left and top-right corner of a UIView?
Is there a way to set cornerRadius for only top-left and top-right corner of a UIView ?
25 Answers
...
onMeasure custom view explanation
I tried to do custom component. I extended View class and do some drawing in onDraw overrided method. Why I need to override onMeasure ? If I didn't, everything seen to be right. May someone explain it? How should I write my onMeasure method? I've seen couple tutorials, but each one is a litt...
Delete/Reset all entries in Core Data?
...ly.
The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to delete some entities and not others. However you still need to make sure you retain referential integrity or you won't be able to persist your changes.
Ju...
Comparing numbers in Bash
...hen
...
fi
For POSIX shells that don't support (()), you can use -lt and -gt.
if [ "$a" -gt "$b" ]; then
...
fi
You can get a full list of comparison operators with help test or man test.
share
|
...
Static methods in Python?
...should only be used if you have to support ancient versions of Python (2.2 and 2.3)
class MyClass(object):
def the_static_method(x):
print(x)
the_static_method = staticmethod(the_static_method)
MyClass.the_static_method(2) # outputs 2
This is entirely identical to the first exampl...
Check folder size in Bash
I'm trying to write a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name?
...
Spring: @Component versus @Bean
I understand that @Component annotation was introduced in spring 2.5 in order to get rid of xml bean definition by using classpath scanning.
...
C++ templates that accept only certain types
... class my_template<T*> {
...
};
// All other types are invalid, and will cause linker error messages.
[Minor EDIT 6/12/2013: Using a declared-but-not-defined template will result in linker, not compiler, error messages.]
...
How accurate is python's time.sleep()?
...
Yes you are right, I tried with Linux 2.6.24-24 and was able to get pretty close to 1000 Hz update rates. At the time I was doing this I was also running the code on Mac and Windows, so I probably got confused. I know windows XP at least has a tick rate of about 10ms.
...
XSD - how to allow elements in any order any number of times?
I am trying to create an XSD, and trying to write the definition with the following requirement:
6 Answers
...