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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)

... So what's the right answer here? Calling advance means we have to iterate the whole way through a possibly long string. But forming an NSRange and using NSString explicitly is dangerous? What's left? – matt Nov 18 '14 at...
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How can I force clients to refresh JavaScript files?

...sion of the file and they do not see the update. Obviously, on a support call, we can simply inform them to do a ctrl F5 refresh to ensure that they get the up-to-date files from the server, but it would be preferable to handle this before that time. ...
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Entity Framework: table without primary key

... Changing the code to satisfy EF is a workaround in itself. Not all tables need a primary key nor they should be forced to. E.g. you've a Topic and it has 0 or many keywords. The keywords table can have a parent topic id and a corresponding keyword. TO say that I need to remodel my DB bec...
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Difference between doseq and for in Clojure

...e's answer is (for [x [1 2 3]] (println x)) At the REPL, this will generally do what you want, but that's basically a coincidence: the REPL forces the lazy sequence produced by for, causing the printlns to happen. In a non-interactive environment, nothing will ever be printed. You can see this in...
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Difference between FOR and AFTER triggers?

... AFTER specifies that the DML trigger is fired only when all operations specified in the triggering SQL statement have executed successfully. All referential cascade actions and constraint checks also must succeed before this trigger fires. AFTER is the default when FOR is the onl...
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Django - filtering on foreign key properties

... You can add a .query.as_sql() to see what sql will actually be executed. – fastmultiplication Jul 17 '10 at 5:19 ...
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Difference between declaring variables before or in loop?

...asure this. I would code it the A way as well but I would say it doesn't really matter. share | improve this answer | follow | ...
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Streaming Audio from A URL in Android using MediaPlayer?

...et rejected b'coz I have used Vitamio 4.x version – Pallavi Dec 22 '16 at 14:31 add a comment...
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Mail multipart/alternative vs multipart/mixed

... I hit this challenge today and I found these answers useful but not quite explicit enough for me. Edit: Just found the Apache Commons Email that wraps this up nicely, meaning you don't need to know below. If your requirement is an emai...
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UINavigationController without navigation bar?

...Hidden box instead of using code. I've recently been on a kick of creating all my interfaces entirely programmatically without .xib files, so went straight to that for my answer. – Ashwin Apr 24 '11 at 3:45 ...