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How do I add a Maven dependency in Eclipse?

I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following: ...
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Get cookie by name

... @user3132564 tried to edit this in, but its actually a comment: This method returns the wrong value when you search for a suffix of a cookie - if the value of document.cookie is "FirstName=John" and you call getCookie("Name"), you'll get back "John" even though there's no ...
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Do sessions really violate RESTfulness?

Is using sessions in a RESTful API really violating RESTfulness? I have seen many opinions going either direction, but I'm not convinced that sessions are RESTless . From my point of view: ...
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pyplot scatter plot marker size

...This can be a somewhat confusing way of defining the size but you are basically specifying the area of the marker. This means, to double the width (or height) of the marker you need to increase s by a factor of 4. [because A = WH => (2W)(2H)=4A] There is a reason, however, that the size of mark...
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What's the difference between passing by reference vs. passing by value?

...on as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used now.1 Newer languages2 tend to use a different (but similar) pair of techniques to achieve the same effects (see below) which is the primar...
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How to enumerate an enum

... It looks to me like you really want to print out the names of each enum, rather than the values. In which case Enum.GetNames() seems to be the right approach. public enum Suits { Spades, Hearts, Clubs, Diamonds, NumSuits } public...
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When is each sorting algorithm used? [closed]

...han a quick sort. There are some in-place merge sorts, but AFAIK they are all either not stable or worse than O(N log N). Even the O(N log N) in place sorts have so much larger a constant than the plain old merge sort that they're more theoretical curiosities than useful algorithms. Heap sort: W...
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How to find the size of an array in postgresql

... cardinality returns the number of all the elements in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, a...
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android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi

...le. According to Google's statistics the majority of ldpi displays are small screens and the majority of mdpi, hdpi, xhdpi and xxhdpi displays are normal sized screens. xlarge screens are at least 960dp x 720dp large screens are at least 640dp x 480dp normal screens are at least 470dp x 320dp ...
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Calc of max, or max of calc in CSS

... min(), max(), and clamp() are finally available! Starting in Firefox 75, Chrome 79, and Safari 11.1 (except clamp). min() and max() take any number of arguments. clamp() has syntax clamp(MIN, VAL, MAX) and is equivalent to max(MIN, min(VAL, MAX)). min() ...