大约有 29,661 项符合查询结果(耗时:0.0391秒) [XML]
How to flatten only some dimensions of a numpy array
...
Take a look at numpy.reshape .
>>> arr = numpy.zeros((50,100,25))
>>> arr.shape
# (50, 100, 25)
>>> new_arr = arr.reshape(5000,25)
>>> new_arr.shape
# (5000, 25)
# One shape dimension can be -1.
# In this case, the value is inferred from
# the length o...
Converting a double to an int in C#
...
|
edited May 25 '12 at 12:44
answered May 25 '12 at 12:17
...
SQL standard to escape column names?
...
answered May 25 '10 at 1:49
Dean HardingDean Harding
65.8k1010 gold badges127127 silver badges172172 bronze badges
...
Regular expression matching a multiline block of text
...
answered Feb 25 '09 at 20:06
Alan MooreAlan Moore
66.5k1111 gold badges8787 silver badges145145 bronze badges
...
When should I use jQuery's document.ready function?
...
answered Oct 25 '12 at 5:46
JashwantJashwant
25.7k1313 gold badges6464 silver badges9696 bronze badges
...
Using the scrollwheel in GNU screen
...translations: #override \n\
Ctrl <Btn4Down>: string(0x1b) string("[25S") \n\
Lock Ctrl <Btn4Down>: string(0x1b) string("[25S") \n\
Lock @Num_Lock Ctrl <Btn4Down>: string(0x1b) string("[25S") \n\
@Num_Lock Ctrl <Btn4Down>: string(0x1b) string("[25S") \n\
<Btn4Down...
SQL query to select dates between two dates
...om Calculation where EmployeeId = 1
and Date between '2011/02/25' and '2011/02/27'
or can use
select Date, TotalAllowance from Calculation where EmployeeId = 1
and Date >= '2011/02/25' and Date <= '2011/02/27'
keep in mind that the first date is inclusive, but th...
What is the >>>= operator in C?
...anwhile, 0X.1P1 is a hexadecimal floating point literal equal to 2/16 = 0.125. In any case, being non-zero, it's also true as a boolean, so negating it twice with !! again produces 1. Thus, the whole thing simplifies down to:
while( a[0] >>= a[1] )
The operator >>= is a compound ass...
How can I use optional parameters in a T-SQL stored procedure?
...
257
Dynamically changing searches based on the given parameters is a complicated subject and doing...
Find nearest latitude/longitude with an SQL query
... COS(latitude / 57.3), 2)) AS distance
FROM TableName HAVING distance < 25 ORDER BY distance;
where [starlat] and [startlng] is the position where to start measuring the distance.
share
|
impro...