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Standardize data columns in R

...class numeric) to Nx1 matrices. This might (and in my case did) cause some errors in packages that assume each column of a data.frame is a vector. – Julian Karch Nov 30 '16 at 11:49 ...
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get size of json object

...rsed json object. If you execute the above statements, it will give you an error 'Unexpected token o in Json'. For calculating the length of json you can directly do var length= Object.keys(json).length. – Aayushi Jul 16 '17 at 18:03 ...
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How to dump a dict to a json file?

... It throws " dumps() takes 1 positional argument but 2 were given" error – Vijay Nirmal Aug 8 '18 at 19:18  |  show 4 more comments ...
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What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?

...ion. – Bob Kaufman Jul 20 '11 at 21:05 VB now has a Take() method as well. I had to use a variable for the amount to ...
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MySQL Cannot Add Foreign Key Constraint

...t time or two on different tables, but I have two tables on which I get an error when trying to add the Foreign Key Constraints. The error message that I get is: ...
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docker error: /var/run/docker.sock: no such file or directory

...passed into the boot2docker VM runs as root by default. You're seeing the error when you're running as sudo because sudo doesn't have the DOCKER_HOST env set, only your user does. You can confirm this by doing a: $ env Then a $ sudo env And looking for DOCKER_HOST in each output. As for hav...
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jQuery - Illegal invocation

... } else if(data=='no') { alert('Error! Record not inserted successfully') } else { alert('Error! Try again'); } } }); }); ...
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How can I initialize base class member variables in derived class constructor?

... @David -- correct, which is a user's error, and I'm trying to get to the user's intentions, skipping superficial. – Gene Bushuyev Sep 13 '11 at 18:20 ...
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Get value of a string after last slash in JavaScript

...s. – Andrew Jackman Dec 4 '11 at 16:05 1 This is a buggy solution, try what happens if you add th...
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Can I set an opacity only to the background image of a div?

...| edited Apr 20 '18 at 11:05 Vadim Ovchinnikov 9,92644 gold badges3939 silver badges6969 bronze badges a...