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How to make a new List in Java
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To create a non-empty list of fixed size (operations like add, remove, etc., are not supported):
List<Integer> list = Arrays.asList(1, 2); // but, list.set(...) is supported
To create a non-empty mutable list:
List<Integer> list = new ArrayList<>(Arrays.asList(3, 4));
In ...
Are there strongly-typed collections in Objective-C?
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There are no generics in Objective-C.
From the Docs
Arrays are ordered collections of objects. Cocoa provides several array classes, NSArray, NSMutableArray (a subclass of NSArray), and NSPointerArray.
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Guards vs. if-then-else vs. cases in Haskell
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This is just a matter of ordering but I think its very readable and has the same structure as guards.
nthElement :: [a] -> Int -> Maybe a
nthElement [] a = Nothing
nthElement (x:xs) a = if a < 1 then Nothing else
if ...
How to check iOS version?
...mVersion];
if ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending) {
displayLinkSupported = TRUE;
}
If for whatever reason you decide that systemVersion is what you want, make sure to treat it as an string or you risk truncating the patch revision number (eg. 3.1.2 -&...
“’” showing on page instead of “ ' ”
...0xE2 0x84 0xA2.
These are the bytes your browser is actually receiving in order to produce ’ when processed as UTF-8.
That means that your source data is going through two charset conversions before being sent to the browser:
The source ’ character (U+2019) is first encoded as UTF-8 byt...
Count rows with not empty value
...t by using some extra formulas like containing some concatinate/split/join etc, ill get back to you if i solve it.
– consideRatio
Jan 9 '15 at 23:18
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How do I query if a database schema exists
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Is it possible in SASS to inherit from a class in another file?
... of the file containing the classes you want to use into your SASS file in order to utilize them in that file. However, I am not a SASS/SCSS expert, so someone may know of another way to remotely use them that I am not aware of.
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What is “String args[]”? parameter in main method Java
... "every";
System.out.println("Output: " + args[0] + args[1]);
// etc... the usage of 'args' here and in the main method is identical
}
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How to convert PascalCase to pascal_case?
...r edge cases like XMLHTMLConverter or one-letter words near abbreviations, etc. If you don't mind about the (rather rare) edge cases and want to handle SimpleXML correctly, you can use a little more complex solution:
$output = ltrim(strtolower(preg_replace('/[A-Z]([A-Z](?![a-z]))*/', '_$0', $input)...