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What are the differences between a multidimensional array and an array of arrays in C#?

What are the differences between multidimensional arrays double[,] and array-of-arrays double[][] in C#? 9 Answers ...
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How to determine the longest increasing subsequence using dynamic programming?

... at element with index i. To compute DP[i] we look at all indices j < i and check both if DP[j] + 1 > DP[i] and array[j] < array[i] (we want it to be increasing). If this is true we can update the current optimum for DP[i]. To find the global optimum for the array you can take the maximum v...
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Select the values of one property on all objects of an array in PowerShell

... I think you might be able to use the ExpandProperty parameter of Select-Object. For example, to get the list of the current directory and just have the Name property displayed, one would do the following: ls | select -Property Name This is still returning Direc...
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How to change the color of an svg element?

I want to use this technique http://css-tricks.com/svg-fallbacks/ and change the svg color but so far I haven't been able to do so. I put this in the css but my image is always black, no matter what. My code: ...
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ActiveRecord: size vs count

In Rails, you can find the number of records using both Model.size and Model.count . If you're dealing with more complex queries is there any advantage to using one method over the other? How are they different? ...
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?

What does ArrayIndexOutOfBoundsException mean and how do I get rid of it? 25 Answers ...
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Placing border inside of div and not on its edge

I have a <div> element and I want to put a border on it. I know I can write style="border: 1px solid black" , but this adds 2px to either side of the div, which is not what I want. ...
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How to get datetime in JavaScript?

... answered Apr 30 '14 at 17:34 Andrew MaoAndrew Mao 30.2k1616 gold badges118118 silver badges205205 bronze badges ...
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Frequency table for a single variable

One last newbie pandas question for the day: How do I generate a table for a single Series? 4 Answers ...
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How to compare versions in Ruby?

How to write a piece of code to compare some versions strings and get the newest? 8 Answers ...