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Perform .join on value in array of objects

...Array.prototype.map is what you're looking for if you want to code functionally. [ {name: "Joe", age: 22}, {name: "Kevin", age: 24}, {name: "Peter", age: 21} ].map(function(elem){ return elem.name; }).join(","); In modern JavaScript: [ {name: "Joe", age: 22}, {name: "Kevin", age: 2...
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surface plots in matplotlib

...esenting a set of points in 3D space. I want to plot a surface that covers all these points. 8 Answers ...
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Groovy / grails how to determine a data type?

... To determine the class of an object simply call: someObject.getClass() You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even thou...
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Inline instantiation of a constant List

... answered Jan 12 '11 at 11:46 Jon SkeetJon Skeet 1211k772772 gold badges85588558 silver badges88218821 bronze badges ...
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Export a graph to .eps file with R

... answered Nov 16 '11 at 6:10 CompEconCompEcon 1,76411 gold badge1212 silver badges1010 bronze badges ...
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Line continuation for list comprehensions or generator expressions in python

... answered Apr 27 '11 at 18:56 Fred FooFred Foo 317k6464 gold badges663663 silver badges785785 bronze badges ...
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How to pass table value parameters to stored procedure from .net code

... | edited Apr 11 '17 at 6:41 Kjartan 16.6k1414 gold badges6464 silver badges8484 bronze badges ...
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How do I delete an exported environment variable?

Before installing gnuplot, I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src . During the installation, something went wrong. ...
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Class constants in python

In python, I want a class to have some "constants" (practically, variables) which will be common in all subclasses. Is there a way to do it with friendly syntax? Right now I use: ...
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How to select first parent DIV using jQuery?

... parents("div") is traversing and returns all the parent div's you should use .eq(0) after it to make sure it returns just the one you want – meo Aug 17 '11 at 7:44 ...