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How to design a product table for many kinds of product where each product has many parameters
...stead, one table per product type, storing both common product attributes, and product-specific attributes.
Serialized LOB: One table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This...
Your branch is ahead of 'origin/master' by 3 commits
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You get that message because you made changes in your local master and you didn't push them to remote. You have several ways to "solve" it and it normally depends on how your workflow looks like:
In a good workflow your remote copy of master should be the good one while your local copy of ...
Shorten string without cutting words in JavaScript
I'm not very good with string manipulation in JavaScript, and I was wondering how you would go about shortening a string without cutting any word off. I know how to use substring, but not indexOf or anything really well.
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How do I restart nginx only after the configuration test was successful on Ubuntu?
When I restart the nginx service on a command line on an Ubuntu server, the service crashes when a nginx configuration file has errors. On a multi-site server this puts down all the sites, even the ones without configuration errors.
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
... workspace between users. The problem is that after I create the workspace and change the permission on it, I encounter the error below (image) without even switching to a different user.
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What is a tracking branch?
...a direct relationship to a remote branch. If you’re on a tracking branch and type git push, Git automatically knows which server and branch to push to. Also, running git pull while on one of these branches fetches all the remote references and then automatically merges in the corresponding remote ...
Understanding repr( ) function in Python
... When you call for example repr(x) the interpreter puts 'foo' instead of x and then calls repr('foo').
>>> repr(x)
"'foo'"
>>> x.__repr__()
"'foo'"
repr actually calls a magic method __repr__ of x, which gives the string containing the representation of the value 'foo' assigned ...
How can I plot with 2 different y-axes?
...at each set of points has its own (different) y-axis (i.e., in positions 2 and 4 on the figure) but the points appear superimposed on the same figure.
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what is the difference between GROUP BY and ORDER BY in sql
...i think the second example on the page in the link is sufficient to understand the difference tutorialspoint.com/sql/sql-group-by.htm
– nishantbhardwaj2002
Apr 29 '15 at 9:57
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Download a specific tag with Git
...hole repository.
After the clone, you can list the tags with $ git tag -l and then checkout a specific tag:
$ git checkout tags/<tag_name>
Even better, checkout and create a branch (otherwise you will be on a branch named after the revision number of tag):
$ git checkout tags/<tag_name...