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What REALLY happens when you don't free after malloc?
...ou still have around on program exit. It's more of an exercise in knowing what memory you're using, and thinking about whether you still need it. If you don't keep track, you might have memory leaks.
On the other hand, the similar admonition to close your files on exit has a much more concrete re...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
A very frequently asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation.
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What is the difference between Android margin start/end and right/left?
What is difference between Android margin start and right (or margin end and left)?
2 Answers
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Is there a perfect algorithm for chess? [closed]
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What makes the weather difficult to forecast are the chaotic non-linear factors, not any quantum effects. Given enough computing power and knowledge, We could in theory create a "correct" weather forecast.
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What exactly are “spin-locks”?
I always wondered what they are: every time I hear about them, images of futuristic flywheel-like devices go dancing (rolling?) through my mind...
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Can I use CoffeeScript instead of JS for node.js?
What are my restrictions if I want to code node.js and use CoffeeScript?
Can I do anything I'd be able to do in JS?
8 Answe...
What is the difference between “git branch” and “git checkout -b”?
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Can you explain more? I don't know what reset means for git
– Mikaël Mayer
Jul 1 '14 at 8:30
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
What does ArrayIndexOutOfBoundsException mean and how do I get rid of it?
25 Answers
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What does .SD stand for in data.table in R
.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
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How to calculate time difference in java?
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what about the other way? 16:00 - 19:00? How can I calculate this?
– Alex Kapustian
Dec 28 '11 at 17:00
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