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How can I make a jQuery UI 'draggable()' div draggable for touchscreen?

I have a jQuery UI draggable() that works in Firefox and Chrome. The user interface concept is basically click to create a "post-it" type item. ...
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What is the best way to filter a Java Collection?

... Java 8 (2014) solves this problem using streams and lambdas in one line of code: List<Person> beerDrinkers = persons.stream() .filter(p -> p.getAge() > 16).collect(Collectors.toList()); Here's a tutorial. Use Collection#removeIf to modify the collection...
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How to make an input type=button act like a hyperlink and redirect using a get request? [duplicate]

How do I make a <input type=button> act like a hyperlink and redirect using a GET request? 6 Answers ...
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PHP Pass variable to next page

...you use something like sessions, cookies or GET / POST variables. Sessions and cookies are quite easy to use, with session being by far more secure than cookies. More secure, but not completely secure. Session: //On page 1 $_SESSION['varname'] = $var_value; //On page 2 $var_value = $_SESSION['var...
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Create directories using make file

I'm a very new to makefiles and i want to create directories using makefile. My project directory is like this 9 Answers ...
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Way to go from recursion to iteration

... needed. ... } Note: if you have more than one recursive call inside and you want to preserve the order of the calls, you have to add them in the reverse order to the stack: foo(first); foo(second); has to be replaced by stack.push(second); stack.push(first); Edit: The article Stacks and Rec...
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Regexp Java for password validation

...dependent "module". The (?=.*[xyz]) construct eats the entire string (.*) and backtracks to the first occurrence where [xyz] can match. It succeeds if [xyz] is found, it fails otherwise. The alternative would be using a reluctant qualifier: (?=.*?[xyz]). For a password check, this will hardly mak...
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Update Git submodule to latest commit on origin

I have a project with a Git submodule. It is from an ssh://... URL, and is on commit A. Commit B has been pushed to that URL, and I want the submodule to retrieve the commit, and change to it. ...
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How to create a unique index on a NULL column?

...f uniques" -- NULL is a special value in SQL (similar in many ways to NaN) and needs to be treated accordingly. It's actually a failure in in SQL Server to honor various SQL specifications: here is a link for a request for the "correct implementation" for what it is worth: connect.microsoft.com/SQLS...
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Bootstrapping still requires outside support

...or the language in itself. I was wondering how this could be accomplished and looked around a bit, and saw someone say that it could only be done by either ...