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what's the correct way to send a file from REST web service to client?

...n begin. My REST service is made on Java and I'm using Jersey, I'm sending all the data using the JSON format. 4 Answers ...
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Get last element of Stream/List in a one-liner

...e for the general case: Stream<T> stream = ...; // sequential or parallel stream Optional<T> last = stream.reduce((first, second) -> second); This implementations works for all ordered streams (including streams created from Lists). For unordered streams it is for obvious reasons u...
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

...some check before creating an object, probably in its constructor. This is all okay until I decide I want to make this check be a part of the business logic. So, how can I arrange for a business object to be creatable only through some method in my business logic class but never directly? The first ...
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SQLite add Primary Key

... pkName ON tableName(columnName)) when DB frameworks like MS SQL's SMO actually make you add a PK after the table has been created! – SteveCinq Aug 31 '17 at 18:06 ...
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Dynamic cell width of UICollectionView depending on label width

... You cannot imagine how I thank you! That really works. Now I only need to resolve [cell.myLabel sizeToFit] problem, because it appears in its full size only after scrolling. But I have not been even close to your solution. – pulp ...
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How does zip(*[iter(s)]*n) work in Python?

... each element is x. *arg unpacks a sequence into arguments for a function call. Therefore you're passing the same iterator 3 times to zip(), and it pulls an item from the iterator each time. x = iter([1,2,3,4,5,6,7,8,9]) print zip(x, x, x) ...
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How to calculate age (in years) based on Date of Birth and getDate()

...ated method does not have the issue with leap years, I'd suggest (if you really want to keep it at all) to move it down the bottom of your answer. – ajbeaven Jul 4 '17 at 23:14 1 ...
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How to call a PHP function on the click of a button

...essfully"); }); }); }); In ajax.php <?php if (isset($_POST['action'])) { switch ($_POST['action']) { case 'insert': insert(); break; case 'select': select(); break; } } ...
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jQuery empty() vs remove()

...ve the selection itself. Consider: <div> <p><strong>foo</strong></p> </div> $('p').empty(); // --> "<div><p></p></div>" // whereas, $('p').remove(); // --> "<div></div>" Both of them remove the DOM objects and sho...
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Can I target all tags with a single selector?

I'd like to target all h tags on a page. I know you can do it this way... 10 Answers 1...