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Calculate date from week number

...kHolterman even with the fix by @RobinAndersson. Reading up on the ISO 8601 standard resolves the issue nicely. Use the first Thursday as the target and not Monday. The code below will work for Week 53 of 2009 as well. public static DateTime FirstDateOfWeekISO8601(int year, int weekOfYear) { D...
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Django 1.7 - makemigrations not detecting changes

... 188 If you're changing over from an existing app you made in django 1.6, then you need to do one p...
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How to profile methods in Scala?

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Fastest way to replace NAs in a large data.table

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Cosine Similarity between 2 Number Lists

...te the cosine similarity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent). ...
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How to pretty print nested dictionaries?

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What's the difference between “mod” and “remainder”?

... 145 There is a difference between modulus and remainder. For example: -21 mod 4 is 3 because -21 ...
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Build tree array from flat array in javascript

... 165 There is an efficient solution if you use a map-lookup. If the parents always come before thei...
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Assign output of a program to a variable using a MS batch file

... One way is: application arg0 arg1 > temp.txt set /p VAR=<temp.txt Another is: for /f %%i in ('application arg0 arg1') do set VAR=%%i Note that the first % in %%i is used to escape the % after it and is needed when using the above code in a batch ...
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How can I create a two dimensional array in JavaScript?

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