大约有 7,276 项符合查询结果（耗时：0.0296秒） [XML]
How does a public key verify a signature?
...c 22ab 13ed c117 c718 92e6 ..9..L".........
00000070: 3d5b 8534 7187 cc2d 2f94 0743 1fcb d890 =[.4q..-/..C....
My secret message
done
Private key encrypts and public key decrypts
--------------------------------------------
00000000: 6955 cdd0 66e4 3696 76e1 a328 ac67 4ca3 iU..f.6.v..(.gL.
00000...
Break a previous commit into multiple commits
...@@ -1 +1,2 @@
one
+two and a third
commit 9aac58f3893488ec643fecab3c85f5a2f481586f
Author: Rose Perrone <roseperrone@fake.com>
Date: Sun Jul 7 13:56:40 2013 -0700
one
diff --git a/A b/A
new file mode 100644
index 0000000..5626abf
--- /dev/null
+++ b/A
@@ -0,0 +1 @@
+one
...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...0.01s system
99% cpu 16.449 total
RPython (using latest PyPy revision, c2f583445aee)
% time ./euler12-rpython-c
842161320
./euler12-rpy-c
10.54s user 0.00s
system 99%
cpu 10.540 total
Cython 0.15
% time python euler12-cython.py
842161320
python euler12-cython.py
6.27s user 0.00s
system...
What does the git index contain EXACTLY?
...ts of the index:
$ git ls-files --stage
100644 63c918c667fa005ff12ad89437f2fdc80926e21c 0 .gitignore
100644 5529b198e8d14decbe4ad99db3f7fb632de0439d 0 .mailmap
The Racy git problem gives some more details on that structure:
The index is one of the most important data structures in git.
It rep...
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...