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How to sort an array of integers correctly
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Empty set literal?
...()} # or {*{}} or {*[]}
>>> print(s)
set()
this is basically a more condensed way of doing {_ for _ in ()}, but, don't do this.
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
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How do I see active SQL Server connections?
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When automating things, this query might be more useful than sp_who which is more oriented toward displaying.
– Colin
Jan 14 '13 at 20:09
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How to update a value, given a key in a hashmap?
...e hows its the most robust and scalable. An atomicinteger instead is much more scalable.
– John Vint
Nov 11 '10 at 19:33
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Where does Java's String constant pool live, the heap or the stack?
...h the other objects created by the application. This change will result in more data residing in the main Java heap, and less data in the permanent generation, and thus may require heap sizes to be adjusted. Most applications will see only relatively small differences in heap usage due to this chang...
'echo' without newline in a shell script
...ipt uses a version that doesn't recognize -n.
The printf command has much more consistent behavior. echo is fine for simple things like echo hello, but I suggest using printf for anything more complicated.
What system are you on, and what shell does your script use?
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
... Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
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inject bean reference into a Quartz job in Spring?
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HTML5 Canvas vs. SVG vs. div
...aster things and heavy bitmap manipulation (like animation), but will take more code if you want lots of interactivity.
I've run a bunch of numbers on HTML DIV-made drawing versus Canvas-made drawing. I could make a huge post about the benefits of each, but I will give some of the relevant results ...