大约有 44,000 项符合查询结果（耗时：0.0640秒） [XML]
Creating a custom JButton in Java
...tending Swing components, of course, is to have the ability to add support for keyboard shortcuts and other accessibility features that you can't do just by having a paint() method print a pretty picture. It may not be done the best way however, but it may be a good starting point for you.
Edit 8/...
setting multiple column using one update
...
Is it possible to add where clause at the end for both columns?
– 71GA
Sep 22 '17 at 17:33
...
Removing all non-numeric characters from string in Python
...
Not sure if this is the most efficient way, but:
>>> ''.join(c for c in "abc123def456" if c.isdigit())
'123456'
The ''.join part means to combine all the resulting characters together without any characters in between. Then the rest of it is a list comprehension, where (as you can pro...
Pythonic way of checking if a condition holds for any element of a list
...ant to check if any elements are negative. Specman has the has() method for lists which does:
3 Answers
...
Quick and easy file dialog in Python?
...nts to a database. I don't need a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to present a file selection dialog to the user, they can select the f...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...
Note: For MySQL 5.7+ please see answer from @Lahiru to this question. That contains more current information.
For MySQL < 5.7:
The default root password is blank (i.e. empty string) not root. So you can just login as:
mysql ...
What command opens Ruby's REPL?
...
There are several REPLs for Ruby.
The standard library ships with a REPL called IRb (for Interactive Ruby), which installs a program named irb, but since it is just a Ruby library, it can also be invoked from Ruby code and not just from the shell. ...
LINQ query to return a Dictionary
...
Mehrdad, thanks for the pointer on this. This was the direction I was going in, but for must have been overlooking the correct overload of ToDictionary.
– Scott Ivey
Mar 9 '09 at 20:35
...
How to write :hover condition for a:before and a:after?
How to write :hover and :visited condition for a:before ?
7 Answers
7
...
XSLT getting last element
...
+1. Nice one, I had forgotten you could use ( ) in that way (and was way off on the use of an indexer).
– AnthonyWJones
Sep 22 '09 at 10:35
...