大约有 600 项符合查询结果（耗时：0.0465秒） [XML]
parseInt vs unary plus, when to use which?
...st on base10).
The unary + will convert them properly though.
parseInt('2e3',10) === 2; //true. This is supposed to be 2000
+'2e3' === 2000; //true. This one's correct.
parseInt("0xf", 10) === 0; //true. This is supposed to be 15
+'0xf' === 15; //true. This one's corr...
What is the difference between RegExp’s exec() function and String’s match() function?
...of .match() using the g flag:
var str = "qqqABApppabacccaba";
var e1, e2, e3, e4, e5;
e1 = str.match(/nop/g); //null
e2 = str.match(/no(p)/g); //null
e3 = str.match(/aba/g); //["aba", "aba"]
e4 = str.match(/aba/gi); //["ABA", "aba", "aba"]
e5 = str.match(/(ab)a/g); //["aba", "aba"] ignoring capture...
Differences between C++ string == and compare()?
...e code:
DEBUG BUILD
string::operator==()
if (str1 == str2)
00D42A34 lea eax,[str2]
00D42A37 push eax
00D42A38 lea ecx,[str1]
00D42A3B push ecx
00D42A3C call std::operator==<char,std::char_traits<char>,std::allocator<char> &g...
Cross-browser custom styling for file upload button [duplicate]
...lay: inline-block;
background: -webkit-linear-gradient(top, #f9f9f9, #e3e3e3);
border: 1px solid #999;
border-radius: 3px;
padding: 5px 8px;
outline: none;
white-space: nowrap;
-webkit-user-select: none;
cursor: pointer;
text-shadow: 1px 1px #fff;
fo...
Compile time string hashing
...ee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
...
};
template<size_t idx>
constexpr uint32_t crc32(const char * str)
{
return (crc32<idx-1>(str) >> 8...
How do RVM and rbenv actually work?
...answered Dec 20 '12 at 14:30
0x4a6f46720x4a6f4672
23k1515 gold badges9494 silver badges124124 bronze badges
...
Combining multiple commits before pushing in Git [duplicate]
...ssing
pick c964dea Getting closer
pick 06cf8ee Something changed
pick 396b4a3 Tests pass
pick 9be7fdb Better comments
pick 7dba9cb All done
Change all the pick to squash (or s) except the first one:
pick 16b5fcc Code in, tests not passing
squash c964dea Getting closer
squash 06cf8ee Something cha...
How do I view all commits for a specific day?
...st an empty line:
$ commitsOnDates
First commit: 375bcfb 375bcfbbf548134a4e34c36e3f28d87c53b2445f 2015-08-03 13:37:16 -0700
Last commit: 1d4c88c 1d4c88ce6a15efaceda1d653eed3346fcae8f5e6 2018-10-13 21:32:27 -0700
Date to search for commits: 2015-08-13
Date to search for commits: 2015-08-03
375bcfb...
What does “zend_mm_heap corrupted” mean
... "client"
==9749==
==9749== Invalid write of size 2
==9749== at 0x4C2F7E3: memcpy@@GLIBC_2.14 (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==9749== by 0x40061B: main (an.c:13)
==9749== Address 0x50 is not stack'd, malloc'd or (recently) free'd
==9749==
==9749==
==9749== Process...
What's your most controversial programming opinion?
... community wiki
5 revs, 3 users 82%Dmitri Nesteruk
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