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Generating a drop down list of timezones with PHP

Most sites need some way to show the dates on the site in the users preferred timezone. Below are two lists that I found and then one method using the built in PHP DateTime class in PHP 5. ...
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Global and local variables in R

I am a newbie for R, and I am quite confused with the usage of local and global variables in R. 3 Answers ...
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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?

I've been wrestling with this for a while and can't quite figure out what's happening. I have a Card entity which contains Sides (usually 2) - and both Cards and Sides have a Stage. I'm using EF Codefirst migrations and the migrations are failing with this error: ...
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How do I copy a version of a single file from one git branch to another?

... Run this from the branch where you want the file to end up: git checkout otherbranch myfile.txt General formulas: git checkout <commit_hash> <relative_path_to_file_or_dir> git checkout <remote_name>/<branch_name> <file_or_dir> Some notes (from comment...
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How to enable MySQL Query Log?

... statement received from clients and the time that query statement has submitted? Can I do that in phpmyadmin or NaviCat? How do I analyse the log? ...
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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]

... Ubuntu ships with GNU sed, where the suffix for the -i option is optional. OS X ships with BSD sed, where the suffix is mandatory. Try sed -i '' share | ...
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Using port number in Windows host file

...cannot put port numbers in there, and there is no way to do what you want with generic OS-level configuration - the browser is what selects the port to choose. So use bookmarks or something like that. (Some firewall/routing software might allow outbound port redirection, but that doesn't really sou...
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How to fix Error: listen EADDRINUSE while using nodejs?

If I run a server with the port 80, and I try to use xmlHTTPrequest i get this error: Error: listen EADDRINUSE 39 Answer...
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What is the difference between printf() and puts() in C?

I know you can print with printf() and puts() . I can also see that printf() allows you to interpolate variables and do formatting. ...
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Multiple models in a view

... There are lots of ways... with your BigViewModel you do: @model BigViewModel @using(Html.BeginForm()) { @Html.EditorFor(o => o.LoginViewModel.Email) ... } you can create 2 additional views Login.cshtml @model ViewModel.LoginViewMode...