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How do I represent a hextile/hex grid in memory?

...ex grids also) – amitp Jun 7 '13 at 0:58 I find the blog super confusing, using x,y,z and q,r,s then the implementatio...
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How do I break out of a loop in Scala?

...f loops. Suppose you want to sum numbers until the total is greater than 1000. You try var sum = 0 for (i <- 0 to 1000) sum += i except you want to stop when (sum > 1000). What to do? There are several options. (1a) Use some construct that includes a conditional that you test. var sum...
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How to get a DOM Element from a JQuery Selector

... You can access the raw DOM element with: $("table").get(0); or more simply: $("table")[0]; There isn't actually a lot you need this for however (in my experience). Take your checkbox example: $(":checkbox").click(function() { if ($(this).is(":checked")) { // do stuff ...
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How do I create test and train samples from one dataframe with pandas?

...ering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing. 23 Answers...
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What is the easiest way to push an element to the beginning of the array?

... 390 What about using the unshift method? ary.unshift(obj, ...) → ary Prepends objects to the...
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Convert a float64 to an int in Go

...to an int truncates the float, which if your system internally represent 2.0 as 1.9999999999, you will not get what you expect. The various printf conversions deal with this and properly round the number when converting. So to get a more accurate value, the conversion is even more complicated than...
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“CASE” statement within “WHERE” clause in SQL Server 2008

...ery which contains "CASE" statement within "WHERE" clause. But SQL Server 2008 is giving some errors while executing it. Can anyone please help me with the correct query? Here is the query: ...
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Are tuples more efficient than lists in Python?

... 180 The dis module disassembles the byte code for a function and is useful to see the difference bet...
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++someVariable vs. someVariable++ in JavaScript

... 250 Same as in other languages: ++x (pre-increment) means "increment the variable; the value of th...
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Multiple INSERT statements vs. single INSERT with multiple VALUES

I'm running a performance comparison between using 1000 INSERT statements: 4 Answers 4...