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What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
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How to override equals method in Java

...ying to override equals method in Java. I have a class People which basically has 2 data fields name and age . Now I want to override equals method so that I can check between 2 People objects. ...
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Volatile vs. Interlocked vs. lock

... Worst (won't actually work) Change the access modifier of counter to public volatile As other people have mentioned, this on its own isn't actually safe at all. The point of volatile is that multiple threads running on multiple CPUs can and...
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Android Get Current timestamp?

... From developers blog: System.currentTimeMillis() is the standard "wall" clock (time and date) expressing milliseconds since the epoch. The wall clock can be set by the user or the phone network (see setCurrentTimeMillis(long)), so the time may jump backwards or forwards unpredictably. This c...
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powershell - extract file name and extension

... Any particular infoyou're after? Just pipe a file to Get-Member to reveal all of it;s members or browse to MSDN to find the official help. – Shay Levy Mar 13 '13 at 7:49 add ...
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How to set environment variables in Jenkins?

...ajorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])' – kenny_k Jun 19 '15 at 6:52 ...
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How to tell if a tag failed to load

I'm dynamically adding <script> tags to a page's <head> , and I'd like to be able to tell whether the loading failed in some way -- a 404, a script error in the loaded script, whatever. ...
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MaxJsonLength exception in ASP.NET MVC during JavaScriptSerializer

...ction() { var jsonResult = Json(veryLargeCollection, JsonRequestBehavior.AllowGet); jsonResult.MaxJsonLength = int.MaxValue; return jsonResult; } share | improve this answer | ...
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What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?

...S 2.3.4 EDIT: using locals in place of this works – X_Trust Feb 9 '16 at 21:21 add a comment ...
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Double Iteration in List Comprehension

...f_words I like to think of list comprehension as stretching code horizontally. Try breaking it up into: # List Comprehension [word for sentence in text for word in sentence] Example: >>> text = (("Hi", "Steve!"), ("What's", "up?")) >>> [word for sentence in text for word in...