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Rails: What's a good way to validate links (URLs)?
I was wondering how I would best validate URLs in Rails. I was thinking of using a regular expression, but am not sure if this is the best practice.
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How do I revert all local changes in Git managed project to previous state?
I have a project in which I ran git init .
After several commits, I did git status which told me everything was up to date and there were no local changes.
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Reset keys of array elements in php?
The question is how to reset key e.g. for an array:
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What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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Git: How to rebase to a specific commit?
I'd like to rebase to a specific commit, not to a HEAD of the other branch:
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Getting value of public static final field/property of a class in Java via reflection
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How to stop IntelliJ truncating output when I run a build?
When I run our build from IntelliJ it pumps out a lot of debugging.
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GitHub - List commits by author
Is there any way on GitHub to list all commits made by a single author, in the browser (neither locally, e.g. via git log , nor via the API)?
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How to duplicate sys.stdout to a log file?
Edit: Since it appears that there's either no solution, or I'm doing something so non-standard that nobody knows - I'll revise my question to also ask: What is the best way to accomplish logging when a python app is making a lot of system calls?
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Django admin: How to display a field that is marked as editable=False' in the model?
Even though a field is marked as 'editable=False' in the model, I would like the admin page to display it. Currently it hides the field altogether.. How can this be achieved ?
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