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Rails: Using greater than/less than with a where statement
...yntax! Instead of 201..Float::INFINITY you'll be able to just write 201... More info in this blog post.
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Why is it bad style to `rescue Exception => e` in Ruby?
...ion, it rescues from StandardError. You should generally specify something more specific than the default StandardError, but rescuing from Exception broadens the scope rather than narrowing it, and can have catastrophic results and make bug-hunting extremely difficult.
If you have a situation whe...
Make a Bash alias that takes a parameter?
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setTimeout or setInterval?
...essentially try to do the same thing, but the setInterval approach will be more accurate than the setTimeout approach, since setTimeout waits 1000ms, runs the function and then sets another timeout. So the wait period is actually a bit more than 1000ms (or a lot more if your function takes a long ti...
Multiprocessing: How to use Pool.map on a function defined in a class?
...n spawns a process for each work item. The solution of "klaus se" below is more efficient.
– ypnos
Jul 12 '13 at 14:38
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Casting vs using the 'as' keyword in the CLR
... right solution. That throws an exception immediately, which means that no more work is done under incorrect assumptions, and the exception correctly shows the type of bug.
// This will throw an exception if randomObject is non-null and
// refers to an object of an incompatible type. The cast is
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Throwing the fattest people off of an overloaded airplane.
...e heap. If we assume that passengers' weights will typically be 100 lbs or more, then it's unlikely that the heap will contain more than 30 items at any time.
The worst case would be if the passengers are presented in order from lowest weight to highest. That would require that every passenger be a...
Check if a variable is a string in JavaScript
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Why is no one using make for Java?
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SQL Server: Difference between PARTITION BY and GROUP BY
...ows returned results which can save you time as opposed to jumping through more learning hoops and time to learn Northwind
– Praxiteles
Jan 16 '16 at 10:18
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