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CSS media queries: max-width OR max-height

...iting. It's been a good chance to learn myself! Take the time to systematically read though and I hope it will be helpful. Media Queries Media queries essentially are used in web design to create device- or situation-specific browsing experiences; this is done using the @media declaration within...
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How can I see the current value of my $PATH variable on OS X?

...to display the PATH variable or you can just execute set or env to display all of your environment variables. By typing $PATH you tried to run your PATH variable contents as a command name. Bash displayed the contents of your path any way. Based on your output the following directories will be se...
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Big O of JavaScript arrays

...pending - Amortized O(1) (sometimes resizing the hashtable is required; usually only insertion is required) Prepending - O(n) via unshift, since it requires reassigning all the indexes Insertion - Amortized O(1) if the value does not exist. O(n) if you want to shift existing values (Eg, using splice...
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How do I programmatically shut down an instance of ExpressJS for testing?

I'm trying to figure out how to shut down an instance of Express. Basically, I want the inverse of the .listen(port) call - how do I get an Express server to STOP listening, release the port, and shutdown cleanly? ...
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How to revert a Git Submodule pointer to the commit stored in the containing repository?

...or the key submodule.$name.update is set to rebase or merge. Run this and all should be well: git submodule update --init You can add the --recursive flag as well to recurse through all submodules. share | ...
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Generic Repository With EF 4.1 what is the point

... You are actually right. DbContext is an implementation of the unit of work pattern and IDbSet is an implementation of the repository pattern. Repositories are currently very popular and overused. Everybody use them just because there ar...
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Why is 'false' used after this simple addEventListener function?

...es that the user wishes to initiate capture. After initiating capture, all events of the specified type will be dispatched to the registered listener before being dispatched to any EventTargets beneath it in the DOM tree. Events which are bubbling upward through the tree will not tri...
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Client-server synchronization pattern / algorithm?

...t there must be client-server synchronization patterns out there. But i totally failed to google up one. 6 Answers ...
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Ways to save Backbone.js model data?

... Basically Models have a property called attributes which are the various values a certain model may have. Backbone uses JSON objects as a simple way to populate these values using various methods that take JSON objects. Example: ...
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?

...en Ubuntu 16.04 if not later). Another downside is that since you aren't calling an explicit executable, it's got the potential for mistakes, and on multiuser systems security problems (if someone managed to get their executable called bash in your path, for example). #!/usr/bin/env bash #lends yo...