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How to work with Git branches and Rails migrations
I am working on a rails app with quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch.
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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 ...
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 ...
See my work log in jira
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We are using the Timesheet Reports and Gadgets Add-On for JIRA. It's available on the Atlassian Marketplace under a BSD licence, but it's not free.
On our JIRA 5.0.x server, it was accessible from the Projects tab > Summary page > Reports drop-down list...
This IP, site or mobile application is not authorized to use this API key
... https://maps.googleapis.com/maps/api/geocode/json ? link with server key and user IP to find the latitude and longitude of any address, when I'm trying I find the error as
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Most efficient way to determine if a Lua table is empty (contains no entries)?
...e a habit of comparing to nil instead in the future, just as a good habit. And yes, I've been binding common utility functions to local vars for speed. Thanks for the input though.
– Amber
Aug 10 '09 at 1:41
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Closing JDBC Connections in Pool
Our standard code section for using JDBC is...
3 Answers
3
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Efficiently test if a port is open on Linux?
...mp;6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "N...
ssh: connect to host github.com port 22: Connection timed out
I am under a proxy and I am pushing in to git successfully for quite a while.
Now I am not able to push into git all of a sudden.
I have set the RSA key and the proxy and double checked them, with no avail and git is throwing me the error shown in the title of the page.
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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...