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What is the difference between an int and an Integer in Java and C#?
I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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How to prevent robots from automatically filling up a form?
...ugh anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please).
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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.
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What is tail call optimization?
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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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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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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-...
How can I efficiently download a large file using Go?
...se()
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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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