大约有 49,000 项符合查询结果（耗时：0.0514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...
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...
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...
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
...
How do you change Background for a Button MouseOver in WPF?
...lt;Setter.Value>
<SolidColorBrush Opacity="1" Color="#28C2FF" />
</Setter.Value>
</Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border x:N...
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...
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 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...
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"...