大约有 47,000 项符合查询结果（耗时：0.0481秒） [XML]
How to get the last N rows of a pandas DataFrame?
...
408
Don't forget DataFrame.tail! e.g. df1.tail(10)
...
How can I generate UUID in C#
...t.FromBase64String("aguidthatIgotonthewire==");
Array.Reverse(rfc4122bytes,0,4);
Array.Reverse(rfc4122bytes,4,2);
Array.Reverse(rfc4122bytes,6,2);
var guid = new Guid(rfc4122bytes);
See this answer for the specific .NET implementation details.
Edit: Thanks to Jeff Walker, Code Ranger, for pointin...
Formatting Phone Numbers in PHP
... and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
...
ReadOnlyCollection or IEnumerable for exposing member collections?
... to Skip:
public IEnumerable<Foo> Foos {
get { return foos.Skip(0); }
}
(There are plenty of other options for wrapping trivially - the nice thing about Skip over Select/Where is that there's no delegate to execute pointlessly for each iteration.)
If you're not using .NET 3.5 you can w...
Read input from console in Ruby?
...
230
Are you talking about gets?
puts "Enter A"
a = gets.chomp
puts "Enter B"
b = gets.chomp
c = a.t...
Capistrano error tar: This does not look like a tar archive
...
answered May 29 '14 at 15:09
kubbingkubbing
6,80044 gold badges2020 silver badges1717 bronze badges
...
How to open a file for both reading and writing?
...reopening:
with open(filename, "r+") as f:
data = f.read()
f.seek(0)
f.write(output)
f.truncate()
share
|
improve this answer
|
follow
|
...
How to get the separate digits of an int number?
I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.
...
How to get thread id from a thread pool?
...
answered Jul 20 '10 at 20:59
skaffmanskaffman
374k9292 gold badges779779 silver badges744744 bronze badges
...
How to check if any flags of a flag combination are set?
...
150
If you want to know if letter has any of the letters in AB you must use the AND & operator. ...