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How to have a transparent ImageButton: Android

...on performance since a full alpha-blended composite will be performed each time the Surface changes." from developer.android.com/reference/android/view/SurfaceView.html – Quintin Robinson Aug 4 '10 at 6:02 ...
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Return all enumerables with yield return at once; without looping through

... immediately, even though it will only use the returned iterators one at a time. Your existing code will wait until it's looped through everything in GetMoreErrors() before it even asks about the next errors. Usually this isn't important, but it's worth understanding what's going to happen when. ...
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How to list containers in Docker

... Note that some time ago there was an update to this command. It will not show the container size by default (since this is rather expensive for many running containers). Use docker ps -s to display container size as well. ...
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SQLAlchemy: What's the difference between flush() and commit()?

...automatically flush before all queries, so you don't have to remember each time. – Kiran Jonnalagadda Nov 17 '15 at 19:39  |  show 2 more comm...
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Default value to a parameter while passing by reference in C++

... I really like this method, very short and simple. Super practical if sometimes you want to return some additional info, statistics, etc. that you usually dont need. – uLoop Feb 12 '17 at 14:06 ...
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close vs shutdown socket?

...it won't necessarily be immediately reusable anyway, since it will be in a TIME_WAIT state while the OS makes sure there's no outstanding packets that might get confused as new information if you were to immediately reuse that socket for something else. – alesplin ...
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What is a covariant return type?

...more specific return types when overriding methods. Help in preventing run-time ClassCastExceptions on returns reference: www.geeksforgeeks.org share | improve this answer | ...
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How to convert String to Long in Kotlin?

... Actually, 90% of the time you also need to check the 'long' is valid, so you need: "10".toLongOrNull() There is an 'orNull' equivalent for each 'toLong' of the basic types, and these allow for managing invalid cases with keeping with the Kotli...
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How does git compute file hashes?

... ^correction to above comment: sometimes git does the replacement above, depending on one's eol/autocrlf settings. – user420667 May 26 '16 at 17:38 ...
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Calculate text width with JavaScript

...lied to it via css selection rules that you may not be cognizant of at the time. Strip all relevant styles from the container before applying the ones you care about before measuring. – Jason Bunting Sep 23 '08 at 0:33 ...