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How do I convert a String to an int in Java?

...ht want to consider using Long::parseLong instead. – Allison Jan 17 '18 at 9:37 6 @Allison especi...
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Binary Data in JSON String. Something better than Base64

...builtin functions, but the space efficiency is bad -- a 105% expansion (if all input bytes are equally likely) vs. 25% for base85 or 33% for base64. Final verdict: base64 wins, in my opinion, on the grounds that it's common, easy, and not bad enough to warrant replacement. See also: Base91 and Bas...
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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?

... These are usually to make sure that the browser gets a new version when the site gets updated with a new version, e.g. as part of our build process we'd have something like this: /Resources/Combined.css?v=x.x.x.buildnumber Since this c...
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Java: how can I split an ArrayList in multiple small ArrayLists?

...ist are reflected in this list, and vice-versa. The returned list supports all of the optional list operations supported by this list. Example: List<Integer> numbers = new ArrayList<Integer>( Arrays.asList(5,3,1,2,9,5,0,7) ); List<Integer> head = numbers.subList(0, 4); List...
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How do I iterate through each element in an n-dimensional matrix in MATLAB?

...ar index for arrays in matlab is an important one. An array in MATLAB is really just a vector of elements, strung out in memory. MATLAB allows you to use either a row and column index, or a single linear index. For example, A = magic(3) A = 8 1 6 3 5 7 4 9 2 ...
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How can I nullify css property?

Basically I have two external css in my page. 7 Answers 7 ...
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how to solve “ruby installation is missing psych” error?

I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up: ...
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Type List vs type ArrayList in Java [duplicate]

...tations of the List interface can be swapped. It seems that (1) is typically used in an application regardless of need (myself I always use this). ...
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How can I clear or empty a StringBuilder? [duplicate]

... Two ways that work: Use stringBuilderObj.setLength(0). Allocate a new one with new StringBuilder() instead of clearing the buffer. share | improve this answer | ...
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What's the difference between '$(this)' and 'this'?

... help to do DOM things just keep this in mind. $(this)[0] === this Basically every time you get a set of elements back jQuery turns it into a jQuery object. If you know you only have one result, it's going to be in the first element. $("#myDiv")[0] === document.getElementById("myDiv"); And so ...