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Why can Java Collections not directly store Primitives types?

Java collections only store Objects, not primitive types; however we can store the wrapper classes. 7 Answers ...
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Nullable Foreign Key bad practice?

Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...
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$location / switching between html5 and hashbang mode / link rewriting

I was under the impression that Angular would rewrite URLs that appear in href attributes of anchor tags within tempaltes, such that they would work whether in html5 mode or hashbang mode. The documentation for the location service seems to say that HTML Link Rewriting takes care of the hashbang s...
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Using PowerShell to write a file in UTF-8 without the BOM

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How can I get Git to follow symlinks?

Is my best be going to be a shell script which replaces symlinks with copies, or is there another way of telling Git to follow symlinks? ...
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How do I convert Word files to PDF programmatically? [closed]

I have found several open-source/freeware programs that allow you to convert .doc files to .pdf files, but they're all of the application/printer driver variety, with no SDK attached. ...
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Multiple Models in a single django ModelForm?

Is it possible to have multiple models included in a single ModelForm in django? I am trying to create a profile edit form. So I need to include some fields from the User model and the UserProfile model. Currently I am using 2 forms like this ...
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How to specify an element after which to wrap in css flexbox? [duplicate]

I don't think this is part of the flexbox standard yet, but is there maybe a trick to suggest or force wrapping after a certain element? I'd like to respond to different page sizes and wrap a list differently without extra markup, so that rather than having (for example) orphaned menu items on the n...
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Add days to JavaScript Date

How to add days to current Date using JavaScript. Does JavaScript have a built in function like .Net's AddDay ? 48 Answe...
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How do I use method overloading in Python?

I am trying to implement method overloading in Python: 15 Answers 15 ...