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Java: PrintStream to String?

I have a function that takes an object of a certain type, and a PrintStream to which to print, and outputs a representation of that object. How can I capture this function's output in a String? Specifically, I want to use it as in a toString method. ...
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Appending an element to the end of a list in Scala

...tried with myList ::= myElement but it seems it creates a strange object and accessing to myList.last always returns the first element that was put inside the list. How can I solve this problem? ...
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How do you keep user.config settings across different assembly versions in .net?

... similar. Then, at application start you check to see if the flag is set and if it is, call the Upgrade method, set the flag to false and save your configuration. if (Settings.Default.UpgradeRequired) { Settings.Default.Upgrade(); Settings.Default.UpgradeRequired = false; Settings.Def...
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About Android image and asset sizes

...imply using hdpi assets. What this means is if you're doing a 48dip image and plan to support up to xxhdpi resolution, you should start with a 144px image (192px if you want native assets for xxxhdpi) and make the following images for the densities: ldpi | mdpi | tvdpi | hdpi | xhdpi ...
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Zip lists in Python

... a3 a4 a5 a6 a7... b: b1 b2 b3 b4 b5 b6 b7... c: c1 c2 c3 c4 c5 c6 c7... and "zips" them into one list whose entries are 3-tuples (ai, bi, ci). Imagine drawing a zipper horizontally from left to right. share | ...
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When to use ko.utils.unwrapObservable?

...bles, so you may check up front (ko.isObservable) that it is an observable and then you would be free to unwrap it with (). If you are receiving an object that may have nested observables, then you are better off doing a ko.toJS(yourObject) rather than using ko.utils.unwrapObservable, if you are tr...
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How can you set class attributes from variable arguments (kwargs) in python

... constructor (or other function) that takes a variable number of arguments and then sets them as class attributes conditionally. ...
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How to compare types

...pun not intended) with another type in C#? I mean, I've a Type typeField and I want to know if it is System.String , System.DateTime , etc., but typeField.Equals(System.String) doesn't work. ...
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How to make a class conform to a protocol in Swift?

... error... You might not need to implement the entire protocol in all cases and might want to build prior to doing so... it's not a big deal, but feels a bit unnecessary. – Magoo Mar 31 '16 at 11:52 ...
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How to escape single quotes in MySQL

...e of the comments below, the OP states that they're just reading from file and inserting. – James B May 20 '09 at 9:37 3 ...