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IntelliJ does not show project folders

I have an issue with IntelliJ. It doesn't show any folders in my project view on the left. My setting is "View As: Project" How can I manage it so that the folders and packages are shown again? I don't have any clue because I didn't change any options! ...
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Why does Enumerable.All return true for an empty sequence? [duplicate]

...s to determine if all the elements in the collection are "ABC". If you run it, b will be true. 7 Answers ...
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Prevent body scrolling but allow overlay scrolling

... Theory Looking at current implementation of the pinterest site (it might change in the future), when you open the overlay a noscroll class is applied to the body element and overflow: hidden is set, thus body is no longer scrollable. The overlay (created on-the-fly or already inside...
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Optional Methods in Java Interface

...tion" suggests a very fuzzy understanding of what's really going on here. It's important to realize that there are sort of two levels of conforming to an interface: What the Java language can check. This pretty much just boils down to: is there some implementation for each of the methods? Actuall...
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Write to file, but overwrite it if it exists

How do I make it so it creates the file if it doesn't exist, but overwrites it if it already exists. Right now this script just appends. ...
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How to fix “Incorrect string value” errors?

...rd random emails due to incorrect string value errors, I went though and switched many text columns to use the utf8 column charset and the default column collate ( utf8_general_ci ) so that it would accept them. This fixed most of the errors, and made the application stop getting sql errors when ...
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Is it possible to style a select box? [closed]

...o <ol>'s and <option>'s to <li>'s, so that you can style it with CSS. Couldn't be too hard to roll your own. Here's one: https://gist.github.com/1139558 (Used to he here, but it looks like the site is down.) Use it like this: $('#myselectbox').selectbox(); Style it like this: ...
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How to change tab size on GitHub?

When I view files on GitHub, tabs appear as 8 spaces. 8 Answers 8 ...
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HTTP test server accepting GET/POST requests

...sts for basic information via HTTP GET and also allows me to POST (even if it's really not doing anything). This is entirely for test purposes. ...
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What is a 'thunk'?

I've seen it used in programming (specifically in the C++ domain) and have no idea what it is. Presumably it is a design pattern, but I could be wrong. Can anyone give a good example of a thunk? ...