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Why would you use Expression rather than Func?

...ment and submits it to server (rather than executing the lambda). Conceptually, Expression<Func<T>> is completely different from Func<T>. Func<T> denotes a delegate which is pretty much a pointer to a method and Expression<Func<T>> denotes a tree data structure f...
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Using only CSS, show div on hover over

...ibling selector, and is the basis of the suckerfish dropdown menu. HTML5 allows anchor elements to wrap almost anything, so in that case the div element can be made a child of the anchor. Otherwise the principle is the same - use the :hover pseudo-class to change the display property of another el...
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How do you stash an untracked file?

... To stash your working directory including untracked files (especially those that are in the .gitignore) then you probably want to use this cmd: git stash --include-untracked More details: Update 17 May 2018: New versions of git now have git stash --all which stashes all files, includin...
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Why does npm install say I have unmet dependencies?

I have a node package. When I run npm install from the package root, it installs a bunch of things, but then prints several error messages that look like this: ...
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Visual Studio: How to show Overloads in IntelliSense?

...itten, the only way I know of to view the overloads for a method is to actually edit the method by deleting the Parenthesis () and reopening them. ...
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Why is Node.js single threaded? [closed]

...rvers every client request is instantiated on a new thread. But in Node.js all the clients run on the same thread (they can even share the same variables!) I understand that I/O operations are event-based so they don't block the main thread loop. ...
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Apache shows PHP code instead of executing it

I have recently been trying to install PHP and Apache on my computer. After many hours, they're installed. I have modified the httpd.conf and php.ini files like everyone says. I then created a simple PHP script: ...
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Rails Admin vs. ActiveAdmin [closed]

... I vote for rails_admin. I like its looks and the fact that out of the box all the models are available for administration. The history feature is quite useful too. Any project with Yehuda Katz as a mentor should be a safe bet. ...
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How to get list of all installed packages along with version in composer?

... my local machine. I have uploaded it to my server but when I try and install the vendor bundles using Composer, I'm getting a lot of dependency errors. Presumably this is something to do with the latest version of Symfony just being released and my composer.json file not specifying exact versio...
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Tests not running in Test Explorer

...ts. I have been working with the resharper test runner - which works fine. All tests are running, all tests are showing the right test outcome. Now a coworker told me, that the tests are not running on his machine using the Visual Studio test explorer. They are not working either on my machine, so i...