大约有 47,000 项符合查询结果（耗时：0.0400秒） [XML]
SQL query for finding records where count > 1
... |
edited Aug 22 '11 at 18:52
answered Aug 22 '11 at 17:51
...
How to branch with TortoiseHG
...ad Birch
67.4k2121 gold badges142142 silver badges148148 bronze badges
30
...
The modulo operation on negative numbers in Python
...
8 Answers
8
Active
...
How to rename items in values() in Django?
...
From django>=1.8 you can use annotate and F object
from django.db.models import F
MyModel.objects.annotate(renamed_value=F('cryptic_value_name')).values('renamed_value')
Also extra() is going to be deprecated, from the django docs:
...
Why does Math.round(0.49999999999999994) return 1?
...
1. http://docs.oracle.com/javase/6/docs/api/java/lang/Math.html#round%28double%29
2. http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6430675 (credits to @SimonNickerson for finding this)
3. http://docs.oracle.com/javase/7/docs/api/java/lang/Math.html#round%28double%29
4. http://grep...
How do you find the sum of all the numbers in an array in Java?
...
In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
...
Conditional HTML Attributes using Razor MVC3
... AaronLS
33.7k1616 gold badges130130 silver badges189189 bronze badges
answered Nov 9 '11 at 21:08
Erik PorterErik Porter
2,16611...
How to raise a ValueError?
...
178
raise ValueError('could not find %c in %s' % (ch,str))
...
What is the difference between a.getClass() and A.class in Java?
...
answered Jun 8 '12 at 11:16
aioobeaioobe
372k9393 gold badges756756 silver badges784784 bronze badges
...
Should I use #define, enum or const?
...
88
Combine the strategies to reduce the disadvantages of a single approach. I work in embedded sys...