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C++ semantics of `static const` vs `const`
...laration and initialization are separated.)
Remember, in C++, const means read-only, not constant. If you have a pointer-to-const then other parts of the program may change the value while you're not looking. If the variable was defined with const, then no one can change it after initialization b...
MySQL: multiple tables or one table with many columns?
... better (since it reduces the amount of work the database needs to do when reading data). I'd highly recommend making your data as normalized as possible to start out, and only denormalize if you're aware of performance problems in specific queries.
...
What is a monad?
... of built-in functions which interface with the outside world: putStrLine, readLine and so on. These functions are called “impure” because they either cause side effects or have non-deterministic results. Even something simple like getting the time is considered impure because the result is non-...
What is tail call optimization?
...
If you want to learn more about this, I suggest reading the first chapter of Structure and Interpretation of Computer Programs.
– Kyle Cronin
Nov 22 '08 at 16:05
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How can I efficiently download a large file using Go?
...se()
...
n, err := io.Copy(out, resp.Body)
The http.Response's Body is a Reader, so you can use any functions that take a Reader, to, e.g. read a chunk at a time rather than all at once. In this specific case, io.Copy() does the gruntwork for you.
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Do you leave parentheses in or out in Ruby? [closed]
...unded by
ERb delimiters -- the ERb markers make
sure the code is still readable
A line that is a single command and a single simple argument can be
written without the parenthesis.
Personally, I find that I do this less
and less, but it's still perfectly
readable. I tend not to like si...
How to post data in PHP using file_get_contents?
...ontents($fp);
if ($response === false)
{
throw new Exception("Problem reading data from $sUrl, $php_errormsg");
}
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How to sort findAll Doctrine's method?
I've been reading Doctrine's documentation, but I haven't been able to find a way to sort findAll() Results.
12 Answers
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How can I make an “are you sure” prompt in a Windows batchfile?
...l SET AREYOUSURE=N before the prompt in order to clear the choice if you already ran the script before in that command window. Without it the default will remain the previously selected choice.
– isapir
Dec 26 '14 at 21:05
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Naming convention - underscore in C++ and C# variables
... @ChaosPandion I'm assuming that what you mean by "immutable" is actually "read-only", in which case one can use public string Name { get; private set; }. True, it's not perfectly immutable, but it's there.
– jdmichal
Jun 29 '10 at 14:54
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