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How can I check if my python object is a number? [duplicate]

In Java the numeric types all descend from Number so I would use 5 Answers 5 ...
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Targeting .NET Framework 4.5 via Visual Studio 2010

Today I installed the .NET Framework 4.5 on my machine expecting to be able to use it from Visual Studio 2010, since it's just a minor update that should't pose problems for Visual Studio 2010. Unfortunately I am not, even manually removing certain 4.0 and adding the corresponding 4.5 assemblies r...
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Read-only and non-computed variable properties in Swift

...g in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way. ...
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How to use if statements in underscore.js templates?

...ue proposed in this answer is that you're stuck doing string interpolation all over again, which templates are supposed to solve for you. As of right now, _.template inserts a ; at the start of each compiled code tag. Thus, it can handle tags breaking between statements, but not inside of expression...
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Finding the index of elements based on a condition using python list comprehension

... In Python, you wouldn't use indexes for this at all, but just deal with the values—[value for value in a if value > 2]. Usually dealing with indexes means you're not doing something the best way. If you do need an API similar to Matlab's, you would use numpy, a packag...
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MySQL, update multiple tables with one query

...ookID is very important, without it The Books table update would happen to all rows and not only for the row with the specified id. Some lessons are learned the hard way, this one was learned in the terrifing way. – nheimann1 Mar 24 '15 at 15:06 ...
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Why do Java programmers like to name a variable “clazz”? [closed]

...nvention ? I think 'clazz' is not even an English word , has no meaning at all , how can so many programmers name a wrong name coincidentally ? ...
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Check if PHP session has already started

I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines: ...
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?

... I found my problem. The issue was that my integers were actually type numpy.int64. share | improve this answer | follow | ...
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What are deferred objects?

...As of jQuery 1.5, the Deferred object provides a way to register multiple callbacks into self-managed callback queues, invoke callback queues as appropriate, and relay the success or failure state of any synchronous or asynchronous function. Deferred Methods: deferred.done() Add handlers to be cal...