大约有 1,390 项符合查询结果（耗时：0.0150秒） [XML]
Create a pointer to two-dimensional array
...on' logic cannot exist within a pointer unless we specify it:
int a[4][5][95][8];
int (*p)[5][95][8];
p = a; // p = *a[0] // p = a+0
Otherwise, the meaning of the array's sorting properties are lost.
Also note the use of parenthesis around *p: int (*p)[5][95][8] - That's to specify that we're ...
Disable time in bootstrap date time picker
...ered Jan 16 '16 at 5:14
ImBhavin95ImBhavin95
1,33522 gold badges1414 silver badges2525 bronze badges
...
Pandas convert dataframe to array of tuples
... edited Dec 9 '19 at 22:46
cs95
231k6060 gold badges391391 silver badges456456 bronze badges
answered Mar 18 '12 at 20:39
...
Fast check for NaN in NumPy
... us per loop
In [42]: %timeit np.isnan(np.sum(x))
10000 loops, best of 3: 95.9 us per loop
In [43]: x[50000] = np.nan
In [44]: %timeit np.isnan(np.min(x))
1000 loops, best of 3: 239 us per loop
In [45]: %timeit np.isnan(np.sum(x))
10000 loops, best of 3: 95.8 us per loop
In [46]: x[0] = np.nan
...
Multiple linear regression in Python
...==========
coef std err t P>|t| [95.0% Conf. Int.]
------------------------------------------------------------------------------
x1 0.2424 0.139 1.739 0.098 -0.049 0.534
x2 0.2360 0.149 1.587 ...
How to get the last N rows of a pandas DataFrame?
... edited Feb 19 '19 at 1:21
cs95
231k6060 gold badges391391 silver badges456456 bronze badges
answered Feb 3 '13 at 5:02
...
What is P99 latency?
...from here
Request latency:
min: 0.1
max: 7.2
median: 0.2
p95: 0.5
p99: 1.3
So we can say, 99 percent of web requests, the latency found was 1.3ms (ms/microseconds depends on your system latency measures configured) or lower.
Like @tranmq told if we decrease the P99 latency of ...
Regular expression to match numbers with or without commas and decimals in text
...+286E000024.487900 -78.4500e.14500 .0140E789. ',
' 081,12.40E07,95.0120 0045,78,123.03500e-0.00 ',
' 0096,78,473.0380e-0. 0008,78,373.066000E0. 0004512300.E0000 ',
' ..18000 25..00 36...77 2..8 ',
' 3.8..9 .12500. 12.51.400 ',
' 00099,11...
Repeater, ListView, DataList, DataGrid, GridView … Which to choose?
... for
the Repeater control.
The above Descriptions are from MCTS Exam 70-515 Web Applications Development with Microsoft.NET Framework 4 book.
DataGrid is not even mentioned in this book and is replaced by popular GridViews and answered nicely by other users
...