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Calling a base class's classmethod in Python
...asses, which derive from object. (at least in Python 2, but in Py3 I think all classes are new-style, IIRC) Otherwise you have to do Base.do(self, ...), I think, thereby hard-coding the name of the superclass.
– David Z
Jun 11 '14 at 19:29
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Extract value of attribute node via XPath
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With xqilla it was necessary to call xs:string. I wonder why.
– krlmlr
Jul 22 '13 at 20:00
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int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...or not, and you can reorder lines without fiddling about with commas. Basically it means there's a uniformity in how you treat the lines.
Now think about generating code. Something like (pseudo-code):
output("int a[] = {");
for (int i = 0; i < items.length; i++) {
output("%s, ", items[i]);
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Using G++ to compile multiple .cpp and .h files
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list all the other cpp files after main.cpp.
ie
g++ main.cpp other.cpp etc.cpp
and so on.
Or you can compile them all individually. You then link all the resulting ".o" files together.
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All but last element of Ruby array
...re_ext.rb file with little extensions like this. Some libraries are practically all extensions like this: ActiveSupport for example.
– rfunduk
Oct 22 '09 at 0:30
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Difference between Ctrl+Shift+F and Ctrl+I in Eclipse
... just format tabs/whitespaces in code and pressing CTRL + SHIFT + F format all code that is format tabs/whitespaces and also divide code lines in a way that it is visible without horizontal scroll.
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How to parse unix timestamp to time.Time
...nic(err)
}
tm := time.Unix(i, 0)
fmt.Println(tm)
}
Output:
2014-07-16 20:55:46 +0000 UTC
Playground: http://play.golang.org/p/v_j6UIro7a
Edit:
Changed from strconv.Atoi to strconv.ParseInt to avoid int overflows on 32 bit systems.
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What does “fragment” mean in ANTLR?
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Nastaran HakimiNastaran Hakimi
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Get names of all keys in the collection
I'd like to get the names of all the keys in a MongoDB collection.
21 Answers
21
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PHP - Get key name of array value
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array_filter() can be used if you need to return all matching results instead of just the first matching one, as it preserves keys.
– Mike Lyons
Nov 27 '14 at 1:40
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