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Running karma after installation results in 'karma' is not recognized as an internal or external com

... The command line interface is in a separate package. To install this use: npm install -g karma-cli share | improve this an...
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how to make a whole row in a table clickable as a link?

I'm using Bootstrap and the following doesn't work: 26 Answers 26 ...
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What's the difference between .so, .la and .a library files?

...re than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries? 1 Ans...
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How to unload a package without restarting R

...ating, but conceivably this could be used in a program to use one function and then another--although namespace referencing is probably a better idea for that use). ...
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Git reset --hard and push to remote repository

I had a repository that had some bad commits on it (D, E and F for this example). 5 Answers ...
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How to read the RGB value of a given pixel in Python?

... be many different formats. pix = im.load() print im.size # Get the width and hight of the image for iterating over print pix[x,y] # Get the RGBA Value of the a pixel of an image pix[x,y] = value # Set the RGBA Value of the image (tuple) im.save('alive_parrot.png') # Save the modified pixels as ...
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MySQL, better to insert NULL or empty string?

...a lot of different fields. Some of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data? ...
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must appear in the GROUP BY clause or be used in an aggregate function

... To workaround this issue, you must calculate the aggregate in a sub-query and then join it with itself to get the additional columns you'd need to show: SELECT m.cname, m.wmname, t.mx FROM ( SELECT cname, MAX(avg) AS mx FROM makerar GROUP BY cname ) t JOIN makerar m ON m.cname = t....
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Move branch pointer to different commit without checkout

...ch pointer of a checked out branch, one can use the git reset --hard command. But how to move the branch pointer of a not-checked out branch to point at a different commit (keeping all other stuff like tracked remote branch)? ...
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Best JavaScript compressor [closed]

...t need any Node.js internals). It's a lot faster than both YUI Compressor and Google Closure, it compresses better than YUI on all scripts I tested it on, and it's safer than Closure (knows to deal with "eval" or "with"). Other than whitespace removal, UglifyJS also does the following: changes l...