大约有 48,000 项符合查询结果（耗时：0.0737秒） [XML]
How to make a JTable non-editable
...
22
You can use a TableModel.
Define a class like this:
public class MyModel extends AbstractTabl...
postgresql - sql - count of `true` values
...
answered Mar 22 '11 at 19:29
DanielDaniel
25.2k1616 gold badges8484 silver badges128128 bronze badges
...
Deleting all files in a directory with Python
...
277
Via os.listdir and os.remove:
import os
filelist = [ f for f in os.listdir(mydir) if f.endsw...
In Ruby, is there an Array method that combines 'select' and 'map'?
...ia as a postfix if. compact gets rid of the nils.
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}
=> [3, 3, 3, nil, nil, nil]
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}.compact
=> [3, 3, 3]
sha...
Is there a sleep function in JavaScript? [duplicate]
...
Ionuț G. Stan
153k1818 gold badges172172 silver badges191191 bronze badges
answered Jul 17 '09 at 3:18
AndromedaAndromeda
...
How do you calculate log base 2 in Java for integers?
I use the following function to calculate log base 2 for integers:
10 Answers
10
...
How many files can I put in a directory?
...
21 Answers
21
Active
...
Kill child process when parent process is killed
...lution is to use "job objects" http://msdn.microsoft.com/en-us/library/ms682409(VS.85).aspx.
The idea is to create a "job object" for your main application, and register your child processes with the job object. If the main process dies, the OS will take care of terminating the child processes.
pu...
What is event bubbling and capturing?
... bubbling. Both are part of the W3C Document Object Model Events standard (2000).
IE < 9 uses only event bubbling, whereas IE9+ and all major browsers support both. On the other hand, the performance of event bubbling may be slightly lower for complex DOMs.
We can use the addEventListener(type,...