大约有 43,000 项符合查询结果（耗时：0.0348秒） [XML]
Using custom std::set comparator
... of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
...
Call Go functions from C
...hould make things a little clearer.
package foo
// extern int goCallbackHandler(int, int);
//
// static int doAdd(int a, int b) {
// return goCallbackHandler(a, b);
// }
import "C"
//export goCallbackHandler
func goCallbackHandler(a, b C.int) C.int {
return a + b
}
// This is the public ...
LINQ Aggregate algorithm explained
...
The easiest-to-understand definition of Aggregate is that it performs an operation on each element of the list taking into account the operations that have gone before. That is to say it performs the action on the first and second element and carr...
How dangerous is it to compare floating point values?
...th scanf or strtod, do not exist as floating point values and get silently converted to the nearest approximation. This is what demon9733's answer was talking about.
The fact that many results get rounded due to not having enough precision to represent the actual result. An easy example where you ca...
defaultdict of defaultdict?
...ultdict(int)) will be called when you try to access a key that don't exist and the return value of it will be set as the new value of this key which mean in our case the value of d[Key_dont_exist] will be defaultdict(int), and if you try to access a key from this last defaultdict i.e. d[Key_dont_exi...
Get Base64 encode file-data from Input Form
...a or doing other voodoo magic before you upload.
There are two methods:
Convert to string and use the built-in btoa or similar
I haven't tested all cases, but works for me- just get the char-codes
Convert directly from a Uint8Array to base64
I recently implemented tar in the browser. As par...
How to hide one item in an Android Spinner
I am looking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one ite...
Nullable vs. int? - Is there any difference?
Apparently Nullable<int> and int? are equivalent in value. Are there any reasons to choose one over the other?
5 ...
Must qualify the allocation with an enclosing instance of type GeoLocation
...
Another option, and the one I prefer, would be to set the inner class to be static.
public static class ThreadTask implements Runnable { ... }
share
|
...
Sort an array in Java
...o make a program that consists of an array of 10 integers which all has a random value, so far so good.
17 Answers
...