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How do I delete a fixed number of rows with sorting in PostgreSQL?
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161
You could try using the ctid:
DELETE FROM logtable
WHERE ctid IN (
SELECT ctid
FROM l...
How is “int* ptr = int()” value initialization not illegal?
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110
int() is a constant expression with a value of 0, so it's a valid way of producing a null poin...
Creating JS object with Object.create(null)?
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edited Feb 25 '19 at 4:31
Levi Roberts
1,12333 gold badges1818 silver badges4141 bronze badges
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How to convert CharSequence to String?
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answered Oct 10 '11 at 0:38
Mike SamuelMike Samuel
106k2626 gold badges195195 silver badges228228 bronze badges
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Test whether a Ruby class is a subclass of another class
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edited Apr 17 '13 at 12:28
webwurst
4,07222 gold badges1919 silver badges2929 bronze badges
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Efficient way to rotate a list in python
... dedicated rotate() method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
items.rotate(-1) # Returns deque to original state: [1, 2, 3]
item = items.popleft() # deque == [2, 3]
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UIButton remove all target-actions
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831
Call removeTarget:action:forControlEvents:, pass nil for the target, NULL for action, and use a ...
GMSGroundOverlay animating - should I be using a CATiledLayer?
I am experimenting with the Google Maps for iOS SDK latest version 1.2.1.2944 to animate a GMSGroundOverlay . The user has control over the image sequence, so using an animated UIImage isn't a possibility sadly, so i'm loading in the UIImage on the fly. The GMSGroundOverlay.icon is set to the...
What is the difference between Step Into and Step Over in the Eclipse debugger?
...STEP INTO
}
static void g (int x) {
-> f(x); //
f(1); // <----------------------------------- STEP OVER
}
public static void main (String args[]) {
g(2);
g(3); // <----------------------------------- STEP OUT OF
}
}
If you were to step in...
Ruby replace string with captured regex pattern
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193
Try '\1' for the replacement (single quotes are important, otherwise you need to escape the \)...