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What is the difference between a HashMap and a TreeMap? [duplicate]
... a HashMap, you can't be sure what order they will be in.
HashMap will be more efficient in general, so use it whenever you don't care about the order of the keys.
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How do you track record relations in NoSQL?
...same criteria you would use to denormalize a relational database: if it's more important for data to have cohesion (think of values in a comma-separated list instead of a normalized table), then do it that way.
But this inevitably optimizes for one type of query (e.g. comments by any user for a gi...
Why is “except: pass” a bad programming practice?
...ccurred there and lose any help to debug it correctly.
But there are also more dangerous exceptions which we are unlikely prepared for. For example SystemError is usually something that happens rarely and which we cannot really plan for; it means there is something more complicated going on, someth...
Resolve Git merge conflicts in favor of their changes during a pull
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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
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Why can't radio buttons be “readonly”?
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Unique random string generation
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How to debug a bash script? [closed]
...with execution trace on. On other systems (for example, Solaris, and some more modern variants of Linux), /bin/sh is not Bash, and the two command lines would give (slightly) different results. Most notably, '/bin/sh' would be confused by constructs in Bash that it does not recognize at all. (On ...
TDD vs. Unit testing [closed]
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Can't agree more with this. In fact, I think I wrote something similar for a similar question a few months ago. Where is it... Aah! stackoverflow.com/questions/917334/should-i-use-tdd/…
– Randolpho
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