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jQuery posting JSON
update: I would like to pass the var value to the server
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Simplest way to check if key exists in object using CoffeeScript
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key of obj
This compiles to JavaScript's key in obj. (CoffeeScript uses of when referring to keys, and in when referring to array values: val in arr will test whether val is in arr.)
thejh's answer is correct if you want to ignore the object's prototype. Jimmy's answer is correct if you wan...
Determine if an object property is ko.observable
I'm using KnockoutJS version 2.0.0
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throw Error('msg') vs throw new Error('msg')
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Both are fine; this is explicitly stated in the specification:
... Thus the function call Error(…) is equivalent to the object creation expression new Error(…) with the same arguments.
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git log of a single revision
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You can use show:
git show commit_id
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Returning redirect as response to XHR request
What happens if the browser receives a redirect response to an ajax request?
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How to attach my repo to heroku app
I create a heroku app and then my machine crashed. I have a new machine. How do I attach my existing app to heroku app. When I visit heroku page the url for my app is like this
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Looping over a list in Python
I have a list with sublists in it. I want to print all the sublists with length equal to 3.
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How to “re-run with -deprecation for details” in sbt?
When I compile Scala code, by running sbt compile , SBT says:
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What are the differences between -std=c++11 and -std=gnu++11?
What are the differences between -std=c++11 and -std=gnu++11 as compilation parameter for gcc and clang? Same question with c99 and gnu99 ? I know about C++ and C standards, it's the differences in the parameters that interest me.
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