大约有 7,000 项符合查询结果（耗时：0.0265秒） [XML]
What's the difference between std::move and std::forward
...
Bo PerssonBo Persson
84k1919 gold badges134134 silver badges196196 bronze badges
a...
Is there a /dev/null on Windows?
...
64
According to this message on the GCC mailing list, you can use the file "nul" instead of /dev/n...
Is gettimeofday() guaranteed to be of microsecond resolution?
...of detail.
#include <stdio.h>
#include <stdint.h>
inline uint64_t rdtsc() {
uint32_t lo, hi;
__asm__ __volatile__ (
"xorl %%eax, %%eax\n"
"cpuid\n"
"rdtsc\n"
: "=a" (lo), "=d" (hi)
:
: "%ebx", "%ecx");
return (uint64_t)hi << 32 | lo...
Split (explode) pandas dataframe string entry to separate rows
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84
How about something like this:
In [55]: pd.concat([Series(row['var2'], row['var1'].split(','))...
When should I use the “strictfp” keyword in java?
...rDan Dyer
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29
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What is the difference between char array and char pointer in C?
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gsamaras
64.5k3131 gold badges140140 silver badges240240 bronze badges
answered Apr 17 '12 at 7:15
JonJon
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Detect iPad Mini in HTML5
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84
I understand this might be a bit low-tech solution, but since we can't seem to come up with any...
Memory address of variables in Java
... that identity hash codes are not guaranteed to be unique. For instance on 64-bit JVM there are 2^32 identity hash codes but 2^64 memory addresses.
– Alex Jasmin
Dec 25 '09 at 14:42
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Ruby max integer
...t to how big they can be.
If you are looking for the machine's size, i.e. 64- or 32-bit, I found this trick at ruby-forum.com:
machine_bytes = ['foo'].pack('p').size
machine_bits = machine_bytes * 8
machine_max_signed = 2**(machine_bits-1) - 1
machine_max_unsigned = 2**machine_bits - 1
If you ...
How can I keep Bootstrap popovers alive while being hovered?
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84
I have came after another solution to this...here is the code
$('.selector').popover({
...