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Removing multiple keys from a dictionary safely
I know how to remove an entry, 'key' from my dictionary d , safely. You do:
14 Answers
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How to merge specific files from Git branches
I have 2 git branches branch1 and branch2 and I want to merge file.py in branch2 into file.py in branch1 and only that file.
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Ruby on Rails production log rotation
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Option 1: syslog + logrotate
You can configure rails, to use the systems log tools.
An example in config/environments/production.rb.
# Use a different logger for distributed setups
config.logger = SyslogLogger.new
That way, you log to syslog, and can use default logrotate tools to rotate t...
How do I test if a string is empty in Objective-C?
How do I test if an NSString is empty in Objective-C?
30 Answers
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How to check for a valid Base64 encoded string
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It's pretty easy to recognize a Base64 string, as it will only be composed of characters 'A'..'Z', 'a'..'z', '0'..'9', '+', '/' and it is often padded at the end with up to three '=', to make the length a multiple of 4. But instead of comparing these, you'd be better off ignoring the exceptio...
Exception thrown in catch and finally clause
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Based on reading your answer and seeing how you likely came up with it, I believe you think an "exception-in-progress" has "precedence". Keep in mind:
When an new exception is thrown in a catch block or finally block that will propagate out of that block, then the current excepti...
git + LaTeX workflow
I'm writing a very long document in LaTeX. I have my work computer and my laptop, and I work on them both. I need to keep all the files synchronized between the two computers, and also would like to keep a revision history. I chose git as my DVCS, and I'm hosting my repository on my server. I'm also...
Postgres - FATAL: database files are incompatible with server
After restarting my MacBook Pro I am unable to start the database server:
6 Answers
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How to sort a list of objects based on an attribute of the objects?
... of Python objects that I'd like to sort by an attribute of the objects themselves. The list looks like:
8 Answers
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How to get folder path from file path with CMD
I need path to the folder that contains cmd file.
With %0 I can get file name. But how to get folder name?
7 Answers
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