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Mechanisms for tracking DB schema changes [closed]

What are the best methods for tracking and/or automating DB schema changes? Our team uses Subversion for version control and we've been able to automate some of our tasks this way (pushing builds up to a staging server, deploying tested code to a production server) but we're still doing database up...
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Check if a number has a decimal place/is a whole number

I am looking for an easy way in JavaScript to check if a number has a decimal place in it (in order to determine if it is an integer). For instance, ...
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SQL Query to concatenate column values from multiple rows in Oracle

... There are a few ways depending on what version you have - see the oracle documentation on string aggregation techniques. A very common one is to use LISTAGG: SELECT pid, LISTAGG(Desc, ' ') WITHIN GROUP (ORDER BY seq) AS description FROM B GROUP BY pid...
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Post-install script with Python setuptools

Is it possible to specify a post-install Python script file as part of the setuptools setup.py file so that a user can run the command: ...
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How to rename items in values() in Django?

I want to do pretty much the same like in this ticket at djangoproject.com , but with some additonal formatting. From this query ...
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How do I convert a IPython Notebook into a Python file via commandline?

I'm looking at using the *.ipynb files as the source of truth and programmatically 'compiling' them into .py files for scheduled jobs/tasks. ...
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Service Temporarily Unavailable Magento?

My application was working fine yesterday. I started my PC today. When I tried to start Magento I got this error message. 1...
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How do I use .toLocaleTimeString() without displaying seconds?

I'm currently attempting to display the user's time without displaying the seconds. Is there a way I can do this using Javascript's .toLocaleTimeString()? ...
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How to use Git and Dropbox together effectively?

... I think that Git on Dropbox is great. I use it all the time. I have multiple computers (two at home and one at work) on which I use Dropbox as a central bare repository. Since I don’t want to host it on a public service, and I ...
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Why does changing 0.1f to 0 slow down performance by 10x?

... Welcome to the world of denormalized floating-point! They can wreak havoc on performance!!! Denormal (or subnormal) numbers are kind of a hack to get some extra values very close to zero out of the floating point representation. Operations on denormalized floating-p...