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How do I (or can I) SELECT DISTINCT on multiple columns?
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– Erwin Brandstetter
Sep 30 '12 at 20:45
1
isn't SELECT DISTINCT a,b,c FROM t precisely the same...
Get and set position with jQuery .offset()
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KSevKSev
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13
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What is the difference between declarative and imperative programming? [closed]
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A simple example in Python:
# Declarative
small_nums = [x for x in range(20) if x < 5]
# Imperative
small_nums = []
for i in range(20):
if i < 5:
small_nums.append(i)
The first example is declarative because we do not specify any "implementation details" of building the list.
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Colored logcat in android studio by colorpid
...ebug #8FB8D0
– Defuera
Apr 9 '15 at 20:09
56
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Test whether string is a valid integer
...S link
– Charles Duffy
May 7 '18 at 20:11
It's a tangent, but note that when specifying character ranges you can get o...
多图选择器使用指导 · App Inventor 2 中文网
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How to declare a structure in a header that is to be used by multiple files in c?
...t C99 struct declaration, as rightfully remarked by Jonathan Leffler.
Edit 2018-06-01:
Craig Barnes reminds us in his comment that you don't need to keep separate names for the struct "tag" name and its "typedef" name, like I did above for the sake of clarity.
Indeed, the code above could well be wr...
Is it better to reuse a StringBuilder in a loop?
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answered Jun 22 '09 at 6:20
Dave JarvisDave Jarvis
27.6k3535 gold badges157157 silver badges281281 bronze badges
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When is the thread pool used?
...road strokes.
– Jason
Mar 25 '14 at 20:00
3
Using the thread pool for network requests would be a...
How do I use CSS in Django?
...the wrong version.
– Josh Brown
Sep 20 '13 at 3:56
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