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How to iterate through a DataTable

... also use linq extensions for DataSets: var imagePaths = dt.AsEnumerble().Select(r => r.Field<string>("ImagePath"); foreach(string imgPath in imagePaths) { TextBox1.Text = imgPath; } share | ...
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How do I rename an open file in Emacs?

... Yes, with dired mode, you can: C-x d to open dired RET to select directory of current file C-x C-j (dired-jump to the name of the current file, in Dired) R to rename the file (or dired-do-rename). q to go back to the (renamed) file buffer The rename is equivalent to a shell mv, b...
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How can I determine the type of an HTML element in JavaScript?

...eof HTMLInputElement) {} // <input> elseif (e instanceof HTMLSelectElement) {} // <select> elseif (e instanceof HTMLTextAreaElement) {} // <textarea> elseif ( ... ) {} // any interface Look here for a complete list of interfaces. ...
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How to remove a file from the index in git?

...es in and out of the index by point-and-click. They even have support for selecting and moving portions of a file (individual changes) to and from the index. How about a different perspective: If you mess up while using one of the suggested, rather cryptic, commands: git rm --cached [file] gi...
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Should each and every table have a primary key?

... Just add it, you will be sorry later when you didn't (selecting, deleting. linking, etc) share | improve this answer | follow | ...
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How to use ? : if statements with Razor and inline code blocks

... should work: <span class="vote-up@(puzzle.UserVote == VoteType.Up ? "-selected" : "")">Vote Up</span> share | improve this answer | follow | ...
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How to check if a value exists in an array in Ruby

... match. Don't use these: # bad examples array.grep(element).any? array.select { |each| each == element }.size > 0 ... share | improve this answer |
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Adding onClick event dynamically using jQuery

....on() Attach an event handler function for one or more events to the selected elements. http://api.jquery.com/on/ share | improve this answer | follow ...
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Dependency injection with Jersey 2.0

... The selected answer dates from a while back. It is not practical to declare every binding in a custom HK2 binder. I'm using Tomcat and I just had to add one dependency. Even though it was designed for Glassfish it fits perfectly ...
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How to remove items from a list while iterating?

...modify the old list in place. That's different from what you'd be doing by selective removal, as in @Lennart's suggestion -- it's faster, but if your list is accessed via multiple references the fact that you're just reseating one of the references and NOT altering the list object itself can lead to...