大约有 5,476 项符合查询结果（耗时：0.0199秒） [XML]
Is there any difference between GROUP BY and DISTINCT
... is no difference (Oracle-style):
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:32961403234212
share
|
improve this answer
|
follow
|
...
Android ViewPager with bottom dots
...on, because it already helped me a lot, but now I wish I can apvote +2 or +100 :) because adding the onPageChangeListener worked perfectly for me! And just to make it clear for anyone that may use this, you need to do your updates on the onPageSelected callback only, adding the update in the onPageS...
Difference between Django's annotate and aggregate methods?
... Model:
class Books(models.Model):
name = models.CharField(max_length=100)
pages = models.IntegerField()
price = models.DecimalField(max_digits=5, decimal_places=3)
In Shell:
>>> Books.objects.all().aggregate(Avg('price'))
# Above code will give the Average of the price Colu...
How to extract img src, title and alt from html using php? [duplicate]
... Resources aside, it depends on the use case.. Some people end up writing 100's of regex from learning a simple answer.
– Angry 84
Nov 15 '16 at 0:44
add a comment
...
How to perform .Max() on a property of all objects in a collection and return the object with maximu
...nt item is the same height, and returns it. Fine for small lists, but over 100 items you will notice a difference.
– Cameron MacFarland
Mar 26 '12 at 4:18
2
...
Powershell equivalent of bash ampersand (&) for forking/running background processes
...ction with Start-Process and so this will NOT work: Start-Process {ping -n 1000 example.com > ping__example.com.txt }. Same thing with Start-Job works fine (though you have to use full path to the output file).
– Nux
Mar 3 '16 at 15:07
...
Why can't I use switch statement on a String?
...
1003
Switch statements with String cases have been implemented in Java SE 7, at least 16 years aft...
How do I protect Python code? [closed]
...ur sleep?" Internet: "No. Anyone can be gotten to, and no dwelling is ever 100 percent impenetrable. A mortal human family is the wrong tool for the job."
– A Simple Algorithm
Mar 29 '19 at 4:05
...
How can I increment a char?
...ord and chr functions:
>>> ord('c')
99
>>> ord('c') + 1
100
>>> chr(ord('c') + 1)
'd'
>>>
Python 3.x makes this more organized and interesting, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord r...
ASP.NET MVC JsonResult Date Format
...
100
Here's my solution in Javascript - very much like JPot's, but shorter (and possibly a tiny bit...