大约有 40,000 项符合查询结果（耗时：0.0726秒） [XML]
Why does Python use 'magic methods'?
...
This is a compelling argument. More satisfying that "Guido didn't really believe in OO".... (as I have seen claimed elsewhere).
– Andy Hayden
Aug 1 '16 at 6:09
...
Is gettimeofday() guaranteed to be of microsecond resolution?
...17
it took this long to call printf: 207485
Here's the Intel developer's guide that gives tons 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"
...
Django Rest Framework File Upload
...lete methods, which are no longer available: django-rest-framework.org/api-guide/generic-views/#methods
– Rufat
Sep 25 '19 at 16:22
...
Passing parameters to a Bash function
...: command not found
Parameter #1 is 2
Reference: Advanced Bash-Scripting Guide.
share
|
improve this answer
|
follow
|
...
What is the difference between List (of T) and Collection(of T)?
...lection is orderless, that would be a huge functional difference to easily guide a new learner (like me) to choose. But wait, why do you say a collection has no order? It provides IndexOf() and RemoveAt() method, so it IS ordered, isn't it? Did I miss something here?
– RayLuo
...
Approximate cost to access various caches and main memory?
...
Here is a Performance Analysis Guide for the i7 and Xeon range of processors. I should stress, this has what you need and more (for example, check page 22 for some timings & cycles for example).
Additionally, this page has some details on clock cycles...
Find a string by searching all tables in SQL Server Management Studio 2008
...re some slight modifications if you want to search for datetime columns or GUID columns and such…
share
|
improve this answer
|
follow
|
...
Converting NSString to NSDate (and back again)
...he date formatter locale to "en_US_POSIX".
Taken from the Data Formatting Guide
If you're working with fixed-format dates, you should first set the
locale of the date formatter to something appropriate for your fixed
format. In most cases the best locale to choose is en_US_POSIX, a
locale...
Design patterns or best practices for shell scripts [closed]
...
Take a look at the Advanced Bash-Scripting Guide for a lot of wisdom on shell scripting - not just Bash, either.
Don't listen to people telling you to look at other, arguably more complex languages. If shell scripting meets your needs, use that. You want functionali...
How to use the pass statement?
...ning Python and I have reached the section about the pass statement. The guide I'm using defines it as being a Null statement that is commonly used as a placeholder.
...