大约有 7,410 项符合查询结果（耗时：0.0348秒） [XML]
How do you convert a byte array to a hexadecimal string, and vice versa?
..., "23", "24", "25", "26", "27", "28", "29", "2A", "2B", "2C", "2D", "2E", "2F",
"30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3A", "3B", "3C", "3D", "3E", "3F",
"40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4A", "4B", "4C", "4D", "4E", "4F",
"50"...
How to avoid reinstalling packages when building Docker image for Python projects?
...
Step 5 : CMD python /srv/run.py
---> Running in 510359cf9e12
---> e42fc9121a77
Removing intermediate container 510359cf9e12
Successfully built e42fc9121a77
Notice how docker didn't use cache during pip install. If it doesn't work, check your docker version.
Client version: 1.1.2
Client API v...
Good way of getting the user's location in Android
... if (location.hasBearing())
sb.append(String.format(" bearing=%.2f", location.getBearing()));
return sb.toString();
}
private enum LocationQuality {
BAD, ACCEPTED, GOOD;
public String toString() {
if (this == GOOD) return "Good";
else if (this == ACCEPTED) re...
Compile time string hashing
...d47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
.../CarloWood/ai-statefultask-testsuite/blob/b69b112e2e91d35b56a39f41809d3e3de2f9e4b8/src/mutex_test.cxx
Note that it has a few hardcoded values specific for my box (xrange, yrange and rdtsc overhead), so you probably have to experiment with it before it will work for you.
The graph it produces in th...
Is JavaScript a pass-by-reference or pass-by-value language?
... happening if you name the function params things like numf, obj1f, and obj2f. Then you see that the params were hiding the external var names.
– jinglesthula
Jan 30 '12 at 19:26
1...
How does this giant regex work?
...ds3ZmmcsBkOYW5m8FidO313QSe0USfQH8ACMDfhyUj1qBwFUuh7AcTmCzcUIO69twFQkGj7p68Z2fIlzzVCWdAlUg7fM/2qG7z0EHqOYg34xVmG47vWwBY0UZNtuOADtF1qvn8iK37Y1mKj2lDz3eZE8OM2gNaIwZzp8PeetP5DTQFlDeAZTB2ob8GHDS6jWJ3ItFhRrZ+7fCaA84IKx7M3CnA43KYbXf2bzYCXmbrHkMC3KmgBhmAAytkQ+QJqCtMJR4vXqCjhA22jvMwG7L1mQsT+nr9Sb1ehwpGJoIkcy...
Ternary operator is twice as slow as an if-else block?
...tr [rdi+8]
00000048 45 85 C9 test r9d,r9d
0000004b 7E 2F jle 000000000000007C
0000004d 45 33 C0 xor r8d,r8d
00000050 33 D2 xor edx,edx
00000052 4C 8B 57 08 mov r10,qword ptr [rdi+8]
00000056 8...
How to calculate moving average using NumPy?
...red Sep 11 '19 at 21:37
argentum2fargentum2f
3,05622 gold badges1616 silver badges2222 bronze badges
...
How to debug Lock wait timeout exceeded on MySQL?
...302d303030312d336632662d353239626433653361333032; asc eff528cb-7f00-0001-3f2f-529bd3e3a302;; 6: len 40; hex 36646234376337652d376630302d303030312d353166322d3431326132346664656366352e6d7033; asc 6db47c7e-7f00-0001-51f2-412a24fdecf5.mp3;; 7: len 21; hex 416e67656c73204e6f7720436f6e666572656e6365; asc ...