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Validate decimal numbers in JavaScript - IsNumeric()
...alse;
IsNumeric(1.1) == false;
IsNumeric(8e5) == false;
Some time ago I had to implement an IsNumeric function, to find out if a variable contained a numeric value, regardless of its type, it could be a String containing a numeric value (I had to consider also exponential notation, etc.), a Number...
What is the purpose of the word 'self'?
...ect created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
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What are the barriers to understanding pointers and what can be done to overcome them? [closed]
Why are pointers such a leading factor of confusion for many new, and even old, college level students in C or C++? Are there any tools or thought processes that helped you understand how pointers work at the variable, function, and beyond level?
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What is the difference between and ?
...browser to display the page, but it is useful for search engines, screen readers, and other things that might read and try to interpret the page, besides human beings.
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Reverting a single file to a previous version in git [duplicate]
...y I modified a file 5 times and I want to go back to change 2, after I already committed and pushed to a repository.
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Identity increment is jumping in SQL Server database
...ver 2012 database identity increment suddenly started jumping to 100s instead of 1 depending on the following two things.
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Is main() really start of a C++ program?
The section $3.6.1/1 from the C++ Standard reads,
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How do I trap ctrl-c (SIGINT) in a C# console app
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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
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You could make a category with an -addSomeClass: method to allow compile-time static type checking (so the compiler could let you know if you try to add an object it knows is a different class through that method), but there's no real way to enforce that an ar...
How do I pass multiple parameters in Objective-C?
I have read several of the post about Objective-C method syntax but I guess I don't understand multiple names for a method.
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