大约有 5,887 项符合查询结果（耗时：0.0445秒） [XML]
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
... there are some info, especially about rsqrt (cpu is using internal lookup table with huge approximation, which makes it much simpler to get the result). It may seem, that rsqrt is so much faster than sqrt, that 1 additional mul operation (which isn't to costly) might not change the situation here. ...
Advantage of switch over if-else statement
...tree (saves compares and jumps in the average case) or simply build a jump-table (works without compares at all).
share
|
improve this answer
|
follow
|
...
trying to align html button at the center of the my page [duplicate]
...
I've really taken recently to display: table to give things a fixed size such as to enable margin: 0 auto to work. Has made my life a lot easier. You just need to get past the fact that 'table' display doesn't mean table html.
It's especially useful for responsiv...
What's the difference between deque and list STL containers?
..., it is frequently one of the most important reasons to select the most suitable container for a certain application.
share
|
improve this answer
|
follow
|
...
sql “LIKE” equivalent in django query
...
Use __contains or __icontains (case-insensitive):
result = table.objects.filter(string__contains='pattern')
The SQL equivalent is
SELECT ... WHERE string LIKE '%pattern%';
share
|
...
How do I use pagination with Django class based generic ListViews?
...ginated, page_obj, and paginator).
{# .... **Normal content list, maybe a table** .... #}
{% if car_list %}
<table id="cars">
{% for car in car_list %}
<tr>
<td>{{ car.model }}</td>
<td>{{ car.year }}</td>
...
Entity Attribute Value Database vs. strict Relational Model Ecommerce
...
What if you had a single table with indexes for text values 1-n, then in C# (in ram) map what you want to what you need. It would still work like an EAV, but the "matches" would be domain models. Sort of like a serialization, but you could use SQL ...
Hex transparency in colors [duplicate]
...
Here's a correct table of percentages to hex values. E.g. for 50% white you'd use #80FFFFFF.
100% — FF
95% — F2
90% — E6
85% — D9
80% — CC
75% — BF
70% — B3
65% — A6
60% — 99
55% — 8C
50% — 80
45% — 73
40% — 66
35%...
What is hashCode used for? Is it unique?
...n index for an object
in a collection.
The GetHashCode method is suitable for use in hashing algorithms and
data structures such as a hash table.
The default implementation of the GetHashCode method does not
guarantee unique return values for different objects. Furthermore, the
.NE...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
...nsion XLS you will get the correct result.
Content of UTF8 XLS file:
<table>
<tr><td>Colum1</td><td>Column2</td></tr>
<tr><td>Val1</td><td>Val2</td></tr>
<tr><td>Авиабилет</td><td>Tλλη...