大约有 30,000 项符合查询结果（耗时：0.0422秒） [XML]
java.lang.IllegalArgumentException: View not attached to window manager
... check for us, we have to use unusual way. Also, if a dialog's isShowing() call working as we expect, we do not need this kind of hack.
– SXC
Aug 21 '13 at 20:10
1
...
Inline functions vs Preprocessor macros
... functions are actual functions whose body is directly injected into their call site. They can only be used where a function call is appropriate.
Now, as far as using macros vs. inline functions in a function-like context, be advised that:
Macros are not type safe, and can be expanded regardless ...
Display help message with python argparse when script is called without any arguments
...
This must come before the call to parser.parse_args()
– Bob Stein
Aug 28 '15 at 14:33
...
Implement touch using Python?
...ave been renamed). Unfortunately, Python doesn't seem to provide a way to call futimes without going through ctypes or similar...
EDIT
As noted by Nate Parsons, Python 3.3 will add specifying a file descriptor (when os.supports_fd) to functions such as os.utime, which will use the futimes sysca...
Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
...
FYI this didn't work for me because I was getting my JSON from an API and I had the freaking URL wrong for an entire day. ><
– w00ngy
Oct 5 '18 at 13:14
...
What is a C++ delegate?
...using std::bind)
Allows setting some parameters in advance, convenient to call a member function for instance.
struct MyClass
{
int DoStuff(double d); // actually a DoStuff(MyClass* this, double d)
};
std::function<int(double d)> f = std::bind(&MyClass::DoStuff, this, std::placehold...
Why does calling a function in the Node.js REPL with )( work?
Why is it possible to call function in JavaScript like this, tested with node.js:
3 Answers
...
Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
... is zero.
Again, this varies somewhat by platform - especially what they call these things, but this should be representative of the concepts and various mechanisms at play.
share
|
improve this a...
Is “IF” expensive?
...s work.
The current instruction to be executed is stored in something typically called the instruction pointer (IP) or program counter (PC); these terms are synonymous, but different terms are used with different architectures. For most instructions, the PC of the next instruction is just the curr...
onBitmapLoaded of Target object not called on first load
...Target object, thus it's being garbage collected and onBitmapLoaded is not called.
The solution is quite simple, just make a strong reference to the Target.
public class MyClass {
private Target mTarget = new Target() {...};
public void getPointMarkerFromUrl(final String url, final OnBitmapDe...