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Function Pointers in Java
...basically states that Java needs an object for every action, and therefore does not have "verb-only" entities like function pointers.
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Easiest way to convert a List to a Set in Java
...er:
new HashSet<Foo>(myList);
will give you an unsorted set which doesn't have duplicates. In this case, duplication is identified using the .equals() method on your objects. This is done in combination with the .hashCode() method. (For more on equality look here)
An alternative that gives...
How to prevent a click on a '#' link from jumping to top of page?
...erent links pointing to the same location, which won't work when the agent does not support JavaScript.
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How to diff one file to an arbitrary version in Git?
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Note that this doesn't just work for files, it also works for (sub)directories as well, for example git diff <revision>:foo/ HEAD:foo/.
– user456814
Jul 5 '14 at 18:59
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How to define an enum with string value?
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Thanks Jon, does \t counts as a char?!
– Saeid Yazdani
Dec 21 '11 at 10:37
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How to convert a double to long without casting?
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... And here is the rounding way which doesn't truncate. Hurried to look it up in the Java API Manual:
double d = 1234.56;
long x = Math.round(d); //1235
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How do I serialize a C# anonymous type to a JSON string?
...as Serializable. Then you can strongly type your web methods. While this doesn't matter one iota for Javascript, it does add some self-documentation to the method. Any reasonably experienced programmer will be able to look at the function signature and say, "Oh, this is type Foo! I know how that...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
...support to redirect to that other url in your other page. Not awesome, and doesnt work for all use cases of course, but does work for bookmarks. Note that if you do this, you shouldnt allow redirects to absolute urls, only relative urls, to ensure you don't open yourself up to unsafe redirects
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Add leading zeroes to number in Java? [duplicate]
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@Robert It does set the correct width. It's the same exact thing as bergay's answer except that the padding is added programmatically using the same interface. Did you simply glance at the format string and decide it was incorrect witho...
How many bytes in a JavaScript string?
...value usually
represents a single 16-bit unit of
UTF-16 text, the language does not
place any restrictions or requirements
on the values except that they be
16-bit unsigned integers.
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