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Android Fragments: When to use hide/show or add/remove/replace?

...l go through all of the teardown events in the lifecycle (onPause, onStop, etc) and if for some reason you need that fragment again you would have to insert it back into the container and let it run through all of its initialization again. If there is a high probability that you will need that fra...
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Unable to find specific subclass of NSManagedObject

...://stackoverflow.com/a/31287260/1187415). Remark: This answer was originally written for Xcode 6. There were some changes in the various Xcode 7 beta releases with respect to this problem. Since it is an accepted answer with many upvotes and links to it, I have tried to summarize the situation fo...
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What is the use of the ArraySegment class?

...in the .NET BeginRead() methods, String.SubString(), Encoding.GetString(), etc, etc. It does not get much use inside the .NET Framework, except for what seems like one particular Microsoft programmer that worked on web sockets and WCF liking it. Which is probably the proper guidance, if you like...
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How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?

... locations and want to display them on a map, the best solution is to : fetch the latitude+longitude, using the geocoder, when a location is created store those in your database, alongside the address and use those stored latitude+longitude when you want to display the map. This is, of course, c...
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HTML anchor link - href and onclick both?

...href attribute, I'd return "-1" to prevent the default action, which is usually the browser jumping tot he top of the page, or sometimes I'd just not return anything. Lately I've had to revise all those pages as @Amber advised... to specifically return false, if I don't want the page to jump. ...
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Threading in a PyQt application: Use Qt threads or Python threads?

...ds are better integrated with Qt (asynchrnous signals/slots, event loop, etc.). Also, you can't use Qt from a Python thread (you can't for instance post event to the main thread through QApplication.postEvent): you need a QThread for that to work. A general rule of thumb might be to use...
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Regex for password must contain at least eight characters, at least one number and both lower and up

... "^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$" does not allow symbols as one of the 8 characters – Wee Jan 6 '15 at 2:30 2 ...
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Connecting to remote URL which requires authentication using Java

...ich will give you more authentication options (as well as session support, etc.) share | improve this answer | follow | ...
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Unzip All Files In A Directory

I have a directory of ZIP files (created on a Windows machine). I can manually unzip them using unzip filename , but how can I unzip all the ZIP files in the current folder via the shell? ...
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JavaScript: How to find out if the user browser is Chrome?

...t this, here's the code I used which excluded Edge, Maxthon, iOS safari ...etc var is_chrome = ((navigator.userAgent.toLowerCase().indexOf('chrome') > -1) &&(navigator.vendor.toLowerCase().indexOf("google") > -1)); – Alex C. Mar 1 '16 at 16:09 ...