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Visual Studio: How can I see the same file in two separate tab groups?

...have two copies of the same file. Then you can right-click the tab bar and select New Vertical Tab Group (or New Horizontal Tab Group, the one you like more). Hope I understood you question.. share | ...
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Vim: How to insert in visual block mode?

... Try this After selecting a block of text, press Shift+i or capital I. Lowercase i will not work. Then type the things you want and finally to apply it to all lines, press Esc twice. If this doesn't work... Check if you have +visualextra ...
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Checking if a field contains a string

... The selected answer didn't work for me, but this one did (I'm executing mongo queries via docker exec commands) I think this one should be the selected answer because it appears to be more versatile. – Arthu...
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Detecting value change of input[type=text] in jQuery

... $("#myTextBox").on("change paste keyup select", function() { alert($(this).val()); }); select for browser suggestion share | improve this answer ...
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find vs find_by vs where

...irb(main):037:0> @kit = Kit.find_by(number: "3456") Kit Load (0.9ms) SELECT "kits".* FROM "kits" WHERE "kits"."number" = '3456' LIMIT 1 => #<Kit id: 1, number: "3456", created_at: "2015-05-12 06:10:56", updated_at: "2015-05-12 06:10:56", job_id: nil> irb(main):038:0> @kit.upd...
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D3.js: How to get the computed width and height for an arbitrary element?

...d height for an arbitrary g element in my SVG because I need to draw a selection marker around it once the user has clicked it. ...
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How to exclude particular class name in CSS selector?

... One way is to use the multiple class selector (no space as that is the descendant selector): .reMode_hover:not(.reMode_selected):hover { background-color: #f0ac00; } <a href="" title="Design" class="reMode_design reMode_hover"> <span&...
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Favourite performance tuning tricks [closed]

...n-optimal query plan Break up the Join Can you break up the join? Pre-select foreign keys into a temporary table Do half the join and put results in a temporary table Are you using the right kind of temporary table? #temp tables may perform much better than @table variables with large volum...
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“Conversion to Dalvik format failed with error 1” on external JAR

...n my case Android 1.5). click OK. Go to Project » Clean » Clean projects selected below » select your project and click OK. That should work. It is also possible that you have a JAR file located somewhere in your project folders (I had copied the Admob JAR file into my src folder) and THEN added...
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JavaScript: how to change form action attribute value based on selection?

I'm trying to change the form action based on the selected value from a dropdown menu. 5 Answers ...