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Is the size of C “int” 2 bytes or 4 bytes?
...e reason your book says 2 bytes is most probably because it's old. At one time, this was the norm. In general, you should always use the sizeof operator if you need to find out how many bytes it is on the platform you're using.
To address this, C99 added new types where you can explicitly ask for ...
Best way to get identity of inserted row?
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Almost every time I have ever wanted 'identity', I have wanted to know the key(s) of the record(s) I just inserted. If that is your situation, you want to use the OUTPUT clause. If you want something else, apply the effort to read and u...
How to jump to a particular line in a huge text file?
...y. I'll need to see what happens if I work on a dozen of files at the same time this way, find out at what point my system dies.
– user63503
Mar 6 '09 at 22:46
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Split code over multiple lines in an R script
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Thanks for making it clear why sometimes you can split lines with a plus sign!
– Iain Samuel McLean Elder
Mar 8 '14 at 20:34
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When should I use the Visitor Design Pattern? [closed]
...und()
{ std::cout << "meow!\n"; }
But proceeding in this way, each time you want to add an operation you must modify the interface to every single class of the hierarchy. Now, suppose instead that you are satisfied with the original interface, and that you want to make the fewest possible mo...
Block Comments in a Shell Script
...r nohighlight. Search term highlighting will automatically resume the next time you search for something. Example: :10,100s/^/#/g|noh
– Matthew
Mar 13 '15 at 20:43
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How do I create a list of random numbers without duplicates?
...without duplicates. Benchmarking in IPython, yields 103 µs ± 513 ns for %timeit random.sample(range(1000), 100) , and 17 µs ± 1.24 µs for %timeit np.random.permutation(1000)[:100] .
– Ant Plante
Sep 4 at 10:26
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vertical-align with Bootstrap 3
...refixes omitted due to brevity. Flexbox syntax has been changed during the time. The new written syntax won't work on older versions of web browsers (but not that old as Internet Explorer 9! Flexbox is supported on Internet Explorer 10 and later).
This means you should also use vendor-prefixed ...
Why use the INCLUDE clause when creating an index?
...mployee found in the index is no longer necessary --> you save a lot of time.
Obviously, you cannot include every column in every non-clustered index - but if you do have queries which are missing just one or two columns to be "covered" (and that get used a lot), it can be very helpful to INCLUD...
A better similarity ranking algorithm for variable length strings
... list to prevent us from matching against the same character pair multiple times. (Otherwise, 'GGGGG' would score a perfect match against 'GG'.)" I would alter this statement to say that it would give a higher than perfect match. Without taking this into account, it also seems to have the result th...