大约有 39,000 项符合查询结果（耗时：0.0602秒） [XML]
How to check an Android device is HDPI screen or MDPI screen?
...
density = getResources().getDisplayMetrics().density;
// return 0.75 if it's LDPI
// return 1.0 if it's MDPI
// return 1.5 if it's HDPI
// return 2.0 if it's XHDPI
// return 3.0 if it's XXHDPI
// return 4.0 if it's XXXHDPI
...
Initializing a static std::map in C++
...
635
Using C++11:
#include <map>
using namespace std;
map<int, char> m = {{1, 'a'}, {3,...
Most concise way to convert a Set to a List
...
answered Feb 23 '10 at 15:56
SchildmeijerSchildmeijer
19.6k1010 gold badges5757 silver badges7878 bronze badges
...
Integer division: How do you produce a double?
...
double num = 5;
That avoids a cast. But you'll find that the cast conversions are well-defined. You don't have to guess, just check the JLS. int to double is a widening conversion. From §5.1.2:
Widening primitive conversions do...
Fastest sort of fixed length 6 int array
... d[y] = tmp; }
SWAP(1, 2);
SWAP(0, 2);
SWAP(0, 1);
SWAP(4, 5);
SWAP(3, 5);
SWAP(3, 4);
SWAP(0, 3);
SWAP(1, 4);
SWAP(2, 5);
SWAP(2, 4);
SWAP(1, 3);
SWAP(2, 3);
#undef SWAP
}
sh...
Simulate delayed and dropped packets on Linux
...on value as well.
# tc qdisc change dev eth0 root netem delay 100ms 10ms 25%
This causes the added delay to be 100 ± 10 ms with the next random element depending 25% on the last one. This isn't true statistical correlation, but an approximation.
Delay distribution
Typically, the d...
Upgrading PHP in XAMPP for Windows?
...
|
edited Jul 25 '17 at 7:04
answered Jan 28 '10 at 13:39
...
Mod in Java produces negative numbers [duplicate]
...
5 Answers
5
Active
...