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Postgres: How to do Composite keys?
...annot understand the syntax error in creating a composite key. It may be a logic error, because I have tested many varieties.
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How do you manage databases in development, test, and production?
I've had a hard time trying to find good examples of how to manage database schemas and data between development, test, and production servers.
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Unicode characters in URLs
In 2010, would you serve URLs containing UTF-8 characters in a large web portal?
7 Answers
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Can an Android Toast be longer than Toast.LENGTH_LONG?
When using setDuration() for a Toast, is it possible to set a custom length or at least something longer than Toast.LENGTH_LONG ?
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Is it possible to install another version of Python to Virtualenv?
I have a shared account in a web-hosting that has Python 2.4 installed, but my code is not compatible with 2.4. Is it possible to install Python 2.6 directly to Virtualenv?
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How do I find the next commit in git? (child/children of ref)
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What is the difference between join and merge in Pandas?
Suppose I have two DataFrames like so:
7 Answers
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What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
All code written in .NET languages compiles to MSIL, but are there specific tasks / operations that you can do only using MSIL directly?
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Way to go from recursion to iteration
I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
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How can I download a specific Maven artifact in one command line?
I can install an artifact by install:install-file ,
but how can I download an artifact?
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