大约有 1,500 项符合查询结果（耗时：0.0244秒） [XML]
Rank function in MySQL
... 98 | 1 | 100.000000000 | 2 | 98 |
| 5 | 95 | 2 | 90.000000000 | 3 | 95 |
| 6 | 91 | 3 | 80.000000000 | 4 | 91 |
| 2 | 91 | 3 | 80.000000000 | 5 | 91 |
| 8 | 90 | 5...
What is the optimal length for an email address in a database?
...
Ranges based on data including
outliers
68.2% of data 17.8 - 28.2
95.4% of data 12.6 - 33.4
99.7% of data 7.4 - 38.6
Ranges based on data outliers excluded
68.2% of data 18.1 - 27.5
95.4% of data 13.4 - 32.2
99.7% of data 8.7 - 36.9
If you sign up for http://www.abcdefghijklm...
Does anyone beside me just NOT get ASP.NET MVC? [closed]
... community wiki
14 revs, 2 users 92%Mark Brittingham
32
...
How do I shutdown, restart, or log off Windows via a bat file?
...1
KipKip
95.8k8080 gold badges220220 silver badges256256 bronze badges
...
What is the difference between a directory and a folder?
...er or control panel folder in Windows.
Raymond Chen explains:
Windows 95 introduced Windows Explorer
and along with it the term folder.
What is the relationship between
folders and directories?
Some people believe that Windows 95
renamed directories to folders, but
it's actually ...
Named colors in matplotlib
... '#4B0082',
'ivory': '#FFFFF0',
'khaki': '#F0E68C',
'lavender': '#E6E6FA',
'lavenderblush': '#FFF0F5',
'lawngreen': '#7CFC00',
'lemonchiffon': '#FFFACD',
'lightblue': '#ADD8E6',
'lightcoral': '#F08080',
'lightcy...
TypeError: got multiple values for argument
... Traceback (most recent call last)
<ipython-input-5-17e0c66a5a95> in <module>
11 super(B, self).__init__(a=a, b=b, *args, **kwargs)
12
---> 13 B(3, c=2)
<ipython-input-5-17e0c66a5a95> in __init__(self, *args, **kwargs)
9 a = 1
10 ...
When do I use the PHP constant “PHP_EOL”?
...
Adam BellaireAdam Bellaire
95.6k1919 gold badges141141 silver badges159159 bronze badges
...
Difference Between Invoke and DynamicInvoke
...one takes longer than second call of function?
– uzay95
Dec 18 '16 at 13:40
4
@uzay95 The first c...
Should I use a data.frame or a matrix?
....frames offering more flexibility over column types. data.frame(a = rnorm(1e6), b = sample(letters, 1e6, TRUE)) will be much smaller (6x by my quick calculation) in memory than the matrix version because of type coercion.
– MichaelChirico
Dec 13 '17 at 11:12
...