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What's the nearest substitute for a function pointer in Java?
...want to create more methods that do exactly the same thing, except for a small calculation that's going to change one line of code. This is a perfect application for passing in a function pointer to replace that one line, but Java doesn't have function pointers. What's my best alternative?
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Most efficient conversion of ResultSet to JSON?
...tests. You could probably make it more elegant with a HashMap lookup to a callback but I doubt it would be any faster. As to memory, this is pretty slim as is.
Somehow I doubt this code is actually a critical bottle neck for memory or performance. Do you have any real reason to try to optimize it?...
REST authentication and exposing the API key
... in javascript...so if I put a flicker photo on my webpage via their API (called by javascript), and you visit my page, aren't I exposing my API key to anyone who visits my page?
– tjans
Mar 29 '11 at 13:38
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What are the primary differences between Haskell and F#? [closed]
...et for comparisons between F# and Haskell but haven't found anything really definitive. What are the primary differences and why would I want to choose one over the other?
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Why does Chrome incorrectly determine page is in a different language and offer to translate?
... about Chrome, so Google's recommendation is posted above. There are generally three ways to accomplish this for other browsers:
W3C recommendation: Use the lang and/or xml:lang attributes in the html tag:
<html lang="en" xml:lang="en" xmlns= "http://www.w3.org/1999/xhtml">
UPDATE: previo...
Margin-Top not working for span element?
...Unlike div, p 1 which are Block Level elements which can take up margin on all sides,span2 cannot as it's an Inline element which takes up margins horizontally only.
From the specification:
Margin properties specify the width of the margin area of a box. The
'margin' shorthand property sets t...
twitter bootstrap autocomplete dropdown / combobox with Knockoutjs
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How did you use Select2 to allow text input that was not already included in the datasource?
– compcentral
Apr 30 '13 at 14:42
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Convert from enum ordinal to enum type
I've the enum type ReportTypeEnum that get passed between methods in all my classes but I then need to pass this on the URL so I use the ordinal method to get the int value. After I get it in my other JSP page, I need to convert it to back to an ReportTypeEnum so that I can continue passing it. ...
Difference between Big-O and Little-O Notation
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f ∈ O(g) says, essentially
For at least one choice of a constant k > 0, you can find a constant a such that the inequality 0 <= f(x) <= k g(x) holds for all x > a.
Note that O(g) is the set of all functions for which this condit...
BroadcastReceiver with multiple filters or multiple BroadcastReceivers?
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@Waqas Is there a way to do this dynamically so that you have a generic broadcast receiver and can add multiple handlers to it so as to not have to modify the basic framework each time you add a new intent to it?
– gonzobrains
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