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internal comparison of string and int in python
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Object comparison in JavaScript
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How do I check if a string is a number (float)?
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ObjectiveC: if (obj) {...} AND if (obj != nil) {...}, which is better?
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Checking if an input number is an integer
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How do I check that a number is float or integer?
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How to avoid NoMethodError for nil elements when accessing nested hashes?
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How to understand nil vs. empty vs. blank in Ruby
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Is `if (condition = value)` the correct syntax for comparison?
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Why is == true for some Integer objects?
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Why is one string greater than the other when comparing strings in JavaScript?
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How to use an UIActionSheet within an if statement?
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How do I check if a variable exists?
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What is the "equals greater than" operator => in Ruby?
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what's the difference between code=1 and code=2 in EXC_BAD_ACCESS?
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Syntax error checking whether account number is numeric