大约有 22,000 项符合查询结果（耗时：0.0320秒） [XML]
Calculating Distance between two Latitude and Longitude GeoCoordinates
...atic double DistanceTo(double lat1, double lon1, double lat2, double lon2, char unit = 'K')
{
double rlat1 = Math.PI*lat1/180;
double rlat2 = Math.PI*lat2/180;
double theta = lon1 - lon2;
double rtheta = Math.PI*theta/180;
double dist =
Math.Sin(rlat1)*Math.Sin(rlat2) + M...
What characters are allowed in an email address?
...cters are allowed with restrictions (they are only allowed inside a quoted string, as described in the paragraph below, and in addition, a backslash or double-quote must be preceded by a backslash);
comments are allowed with parentheses at either end of the local-part; e.g. john.smith(comment)@exa...
How to split a string in Java
I have a string, "004-034556" , that I want to split into two strings:
35 Answers
35
...
Testing whether a value is odd or even
... the following? I only tested this in IE, but it was quite happy to handle strings representing numbers of any length, actual numbers that were integers or floats, and both functions returned false when passed a boolean, undefined, null, an array or an object. (Up to you whether you want to ignore l...
What is the proper way to comment functions in Python?
...
The correct way to do it is to provide a docstring. That way, help(add) will also spit out your comment.
def add(self):
"""Create a new user.
Line 2 of comment...
And so on...
"""
That's three double quotes to open the comment and another three doub...
Output data from all columns in a dataframe in pandas [duplicate]
...orks quite well (prints the first 100 rows):
print paramdata.head(100).to_string()
share
|
improve this answer
|
follow
|
...
How to create streams from string in Node.Js?
...y, ya-csv , that expects either a file or a stream as input, but I have a string.
11 Answers
...
How to get the full path of running process?
...rocess = Process.GetCurrentProcess(); // Or whatever method you are using
string fullPath = process.MainModule.FileName;
//fullPath has the path to exe.
There is one catch with this API, if you are running this code in 32 bit application, you'll not be able to access 64-bit application paths, so...
Why do we use __init__ in Python classes?
...ike add or __init__) purpose is to describe how to convert the object to a string, like when you print it out.
share
|
improve this answer
|
follow
...
What exactly is nullptr?
...ranteed to be 0. It can be 0L, in which case a call to void f(int); void f(char *); will be ambiguous. nullptr will always favor the pointer version, and never call the int one. Also note that nullptr is convertible to bool (the draft says that at 4.12).
– Johannes Schaub - lit...