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Array.Add vs +=

...ment creates a new array with the same elements as old one + the new item, and this new larger array replaces the old one in the $array-variable You can use the += operator to add an element to an array. When you use it, Windows PowerShell actually creates a new array with the values of...
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How to print struct variables in console?

...poses you have an instance of Project (in 'yourProject') The article JSON and Go will give more details on how to retrieve the values from a JSON struct. This Go by example page provides another technique: type Response2 struct { Page int `json:"page"` Fruits []string `json:"fruits"`...
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Split list into smaller lists (split in half)

...mber of parts you want, not just split 'in half'): EDIT: updated post to handle odd list lengths EDIT2: update post again based on Brians informative comments def split_list(alist, wanted_parts=1): length = len(alist) return [ alist[i*length // wanted_parts: (i+1)*length // wanted_parts]...
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How to determine height of UICollectionView with FlowLayout

I've got an UICollectionView with an UICollectionViewFlowLayout , and i want to calculate its content size (for return in intrinsicContentSize needed for adjusting its height via AutoLayout). ...
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Possible to make labels appear when hovering over a point in matplotlib?

...st thing I have been able to find while searching here is the annotate command, but that appears to create a fixed label on the plot. Unfortunately, with the number of points that I have, the scatter plot would be unreadable if I labeled each point. Does anyone know of a way to create labels that on...
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Eclipse “Server Locations” section disabled and need to change to use Tomcat installation

...metadata]" bit should have been replaced by something else. Open (or close and reopen) the Overview screen for the server. share | improve this answer | follow ...
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What is a higher kinded type in Scala?

...of polymorphism/abstraction. It means the same thing for polymorphic types and values. Concretely, a higher-order abstraction abstracts over something that abstracts over something. For types, the term "higher-kinded" is a special-purpose version of the more general "higher-order". Thus, the higher-...
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What is the difference between Tomcat, JBoss and Glassfish?

I am starting to look into Enterprise Java and the book I am following mentions that it will use JBoss. Netbeans ships with Glassfish. I have used Tomcat in the past. ...
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PHP: merge two arrays while keeping keys instead of reindexing?

How can I merge two arrays (one with string => value pairs and another with int => value pairs) while keeping the string/int keys? None of them will ever overlap (because one has only strings and the other has only integers). ...
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Database development mistakes made by application developers [closed]

...using it anyway. More here: How important are constraints like NOT NULL and FOREIGN KEY if I’ll always control my database input with php? Are foreign keys really necessary in a database design? Are foreign keys really necessary in a database design? 3. Using natural rather than surrogate (te...