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Usages of Null / Nothing / Unit in Scala

...wered Apr 23 '13 at 16:40 pagoda_5bpagoda_5b 6,84711 gold badge2323 silver badges3737 bronze badges ...
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How do I remove javascript validation from my eclipse project?

... I actually like MY JavaScript files to be validated, but I definitely don't want to validate and deal with trivial warnings with third party libraries. That's why I think that turning off validation all together is too drastic. F...
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What is process.env.PORT in Node.js?

...t may independently configure the process.env.PORT variable for you; after all, your script runs in their environment. Amazon's Elastic Beanstalk does this. If you try to set a static port value like 3000 instead of process.env.PORT || 3000 where 3000 is your static setting, then your application w...
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'

...ntains a SelectList with the same name as your DropDownList i.e. "submarket_0", the Html helper will automatically populate your DropDownList with that data if you don't specify the 2nd parameter which in this case is the source SelectList. What happened with my error was: Because the table contai...
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MySQL search and replace some text in a field

... @inemanja, @Air without the WHERE clause you do an UPDATE on all the rows... – Alexis Wilke Jun 25 '15 at 3:37 7 ...
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SQLite DateTime comparison

...e a few datetime functions. Follow the string representation formats (actually only formats 1-10) understood by those functions (storing the value as a string) and then you can use them, plus lexicographical comparison on the strings will match datetime comparison (as long as you don't try to compa...
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called

... edited Aug 27 '18 at 7:30 s__ 6,51122 gold badges1717 silver badges4040 bronze badges answered Aug 27 '18 at 6:41 ...
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PostgreSQL Autoincrement

...other integer data type, such as smallint. Example : CREATE SEQUENCE user_id_seq; CREATE TABLE user ( user_id smallint NOT NULL DEFAULT nextval('user_id_seq') ); ALTER SEQUENCE user_id_seq OWNED BY user.user_id; Better to use your own data type, rather than user serial data type. ...
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple

...f the work can be avoided. With a slightly smarter linker than is typically used, it is possible to remove some of these inefficiencies. This is discussed in §6.2.3 and §6.2.5. Since the report was written in 2006 one would hope that many of the recommendations would have been incorpor...
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How to disable UITextField editing but still accept touch?

I'm making a UITextField that has a UIPickerView as inputView . Its all good, except that I can edit by copy, paste, cut and select text, and I don't want it. Only the Picker should modify text field. ...