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How to Sort Multi-dimensional Array by Value?
How can I sort this array by the value of the "order" key? Even though the values are currently sequential, they will not always be.
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How do I install an R package from source?
A friend sent me along this great tutorial on webscraping NYtimes with R . I would really love to try it. However, the first step is to installed a package called RJSONIO from source.
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Scatter plot and Color mapping in Python
I have a range of points x and y stored in numpy arrays.
Those represent x(t) and y(t) where t=0...T-1
3 Answers
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Mapping composite keys using EF code first
Sql server table:
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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
I was going to start using === (triple equals, strict comparison) all the time when comparing string values, but now I find that
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What's the difference between findAndModify and update in MongoDB?
I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
Get week of year in JavaScript like in PHP
How do I get the current weeknumber of the year, like PHP's date('W') ?
19 Answers
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How to Update Multiple Array Elements in mongodb
I have a Mongo document which holds an array of elements.
15 Answers
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Min/Max of dates in an array?
How can I find out the min and the max date from an array of dates? Currently, I am creating an array like this:
11 Answers...
UML class diagram enum
I am modeling a class diagram. An attribute of a class is an enumeration. How do I model this? Normally you do something like this:
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