大约有 16,000 项符合查询结果（耗时：0.0254秒） [XML]
Android: how to make an activity return results to the activity which calls it?
... got the result from the activity you started.
startActivityForResult(new Intent(“YourFullyQualifiedClassName”),requestCode);
In the activity you can make use of setData() to return result.
Intent data = new Intent();
String text = "Result to be returned...."
//---set the data to pass back--...
Automatic Retina images for web sites
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There's no "good" way to convert in that direction, thus the "where possible". But with the exception of photography sites etc. you're generally going to be creating your art assets so I'd recommend having them done as vectors, which can easily be co...
Static method in a generic class?
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@Andre: Your intuition is not unfounded; C# does indeed treat generics this way.
– jyoungdev
Nov 26 '10 at 14:25
34
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Code Golf: Collatz Conjecture
...tz
; >> Usage: ./collatz NUMBER
;
section .text
global main
extern printf
extern atoi
main:
cmp dword [esp+0x04], 2
jne .usage
mov ebx, [esp+0x08]
push dword [ebx+0x04]
call atoi
add esp, 4
cmp eax, 0
je .usage
mov ebx, eax
push eax
push msg
.loop:
mov [esp+0x04],...
How to check if a map contains a key in Go?
...or the type of the entries in the map.
For instance, if the map contains integers, looking up a non-existent
key will return 0. A set can be implemented as a map with value type
bool. Set the map entry to true to put the value in the set, and then
test it by simple indexing.
attended := map...
Test whether string is a valid integer
...n enough: Parse user input in a shell script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it apart char by char.
...
C++ Dynamic Shared Library on Linux
...try to perform static linkage */
virtual void DoSomething();
private:
int x;
};
#endif
myclass.cc
#include "myclass.h"
#include <iostream>
using namespace std;
extern "C" MyClass* create_object()
{
return new MyClass;
}
extern "C" void destroy_object( MyClass* object )
{
delete...
Easier way to populate a list with integers in .NET [duplicate]
Is there a simpler or more elegant way of initializing a list of integers in C# other than this?
2 Answers
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Using scanner.nextLine() [duplicate]
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I think your problem is that
int selection = scanner.nextInt();
reads just the number, not the end of line or anything after the number. When you declare
String sentence = scanner.nextLine();
This reads the remainder of the line with the number on ...
Specialization with Constraints
...m having problems getting GHC to specialize a function with a class constraint. I have a minimal example of my problem here: Foo.hs and Main.hs . The two files compile (GHC 7.6.2, ghc -O3 Main ) and run.
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