大约有 44,300 项符合查询结果(耗时:0.0509秒) [XML]
How to get item's position in a list?
...
12 Answers
12
Active
...
How to test multiple variables against a value?
...
25 Answers
25
Active
...
Convert timedelta to total seconds
...s().
>>> import datetime
>>> datetime.timedelta(seconds=24*60*60).total_seconds()
86400.0
share
|
improve this answer
|
follow
|
...
How to select/get drop down option in Selenium 2
I am converting my selenium 1 code to selenium 2 and can't find any easy way to select a label in a drop down menu or get the selected value of a drop down. Do you know how to do that in Selenium 2?
...
Unique Key constraints for multiple columns in Entity Framework
...= true)]
public int FirstColumn { get; set; }
[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }
The second parameter in the attribute is where you can specify the order of the columns in the index.
More information: MSDN
...
How do I use the nohup command without getting nohup.out?
...ng /dev/null - that's where it goes instead.
nohup command >/dev/null 2>&1 # doesn't create nohup.out
If you're using nohup, that probably means you want to run the command in the background by putting another & on the end of the whole thing:
nohup command >/dev/null 2>&a...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...
1
2
Next
923
...
hexadecimal string to byte array in python
...
247
Suppose your hex string is something like
>>> hex_string = "deadbeef"
Convert it t...
Long vs Integer, long vs int, what to use and when?
...
192
Long is the Object form of long, and Integer is the object form of int.
The long uses 64 bits. ...
How can I extract a good quality JPEG image from a video file with ffmpeg?
...
2 Answers
2
Active
...