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How do I loop through or enumerate a JavaScript object?

...have to make sure that the key you get is an actual property of an object, and doesn't come from the prototype. Here is the snippet: var p = { "p1": "value1", "p2": "value2", "p3": "value3" }; for (var key in p) { if (p.hasOwnProperty(key)) { console.log(key + "...
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UIView's frame, bounds, center, origin, when to use what?

UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
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Meaning of “[: too many arguments” error from if [] (square brackets)

...t find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it. ...
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How to increase the gap between text and underlining in CSS

...erline applied, is it possible to increase the distance between the text and the underline? 15 Answers ...
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How do you run your own code alongside Tkinter's event loop?

My little brother is just getting into programming, and for his Science Fair project, he's doing a simulation of a flock of birds in the sky. He's gotten most of his code written, and it works nicely, but the birds need to move every moment . ...
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How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”

...FYI, the terribly troublesome old date-time classes such as java.util.Date and java.sql.Timestamp are now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle. – Basil Bourque Dec 24 '18 at 20:01 ...
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How do I use reflection to call a generic method?

...rs public instance methods by default, so you may need BindingFlags.Static and/or BindingFlags.NonPublic. – user565869 Dec 16 '11 at 22:32 20 ...
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How to remove unreferenced blobs from my git repo

... ... and without further ado, may I present to you this useful command, "git-gc-all", guaranteed to remove all your git garbage until they might come up extra config variables: git -c gc.reflogExpire=0 -c gc.reflogExpireUnreachab...
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Python (and Python C API): __new__ versus __init__

...stion I'm about to ask seems to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to me exactly what the practical difference between __new__ and __init__ is. ...
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Javascript AES encryption [closed]

... This is now quite useful and feature rich code.google.com/p/crypto-js – David Kierans Apr 25 '12 at 4:21 2 ...