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Pointers vs. values in parameters and return values
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It's not Go-y to sacrifice clean semantics for a little speed, and sometimes passing small structs by value is actually more efficient, because it avoids cache misses or heap allocations.
So, Go Wiki's code review comments page suggests passing by value when structs are small and likely to stay ...
How to calculate time in hours between two dates in iOS
How can I calculate the time elapsed in hours between two times (possibly occurring on different days) in iOS?
5 Answers
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How to determine if a number is a prime with regex?
... == 3.
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The first part of the regex says, "any character, zero or one times". So basically, is there zero or one character-- or, per what I mentioned above, n == 0 || n == 1. If we have the match, then return the negation of that. This corresponds with the fact that zero and one are NOT prime.
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
....0 specification is very helpful:
Note: image follows, I don't have the time to recreate in HTML:
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Last iteration of enhanced for loop in java
Is there a way to determine if the loop is iterating for the last time. My code looks something like this:
21 Answers
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Pass correct “this” context to setTimeout callback?
How do I pass context into setTimeout ? I want to call this.tip.destroy() if this.options.destroyOnHide after 1000 ms. How can I do that?
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C++ Returning reference to local variable
...rk because you're returning an alias (a reference) to an object with a lifetime limited to the scope of the function call. That means once func1() returns, int i dies, making the reference returned from the function worthless because it now refers to an object that doesn't exist.
int main()
{
i...
What does a script-Tag with src AND content mean?
...re elegant ways to optionally load code, though it's been popular for some time to just dump everything plus the kitchen sink into the first page and hope caching delivers some efficiencies thereafter. E.g. the home page at Qantas is 24 mB.
– RobG
Sep 21 at 23:...
Is there an Eclipse plugin to run system shell in the Console? [closed]
...tware -> General Purpose Tools -> Remote System Explorer End-User Runtime.
– Glyph
Apr 29 '10 at 23:06
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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
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Title_Authors is a look up two things join at a time project results and continue chaining
DataClasses1DataContext db = new DataClasses1DataContext();
var queryresults = from a in db.Authors
joi...