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What is the purpose of “android.intent.category.DEFAULT”?

...ATEGORY_DEFAULT so that they can be found by Context.startActivity(). In order to receive implicit intents, you must include the CATEGORY_DEFAULT category in the intent filter. The methods startActivity() and startActivityForResult() treat all intents as if they declared the CATEGORY_DEFAULT categ...
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vagrant up failed, /dev/vboxnetctl: no such file or directory

...tl: No such file or directory. These commands are not used in particular order. They are just generally useful and problem-solving. 1) sudo modprobe vboxdrv 2) sudo modprobe vboxnetadp - (host only interface) 3) sudo modprobe vboxnetflt - (make vboxnet0 accecible) IF YOU HAVE PROBLEMS WITH...
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Find index of last occurrence of a sub-string using T-SQL

...ion, followed CHARINDEX, followed again by REVERSE to restore the original order. For instance: SELECT mf.name ,mf.physical_name ,reverse(left(reverse(physical_name), charindex('\', reverse(physical_name)) -1)) from sys.master_files mf shows how to extract the actual database file names f...
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How to select label for=“XYZ” in CSS?

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Meaning of ffmpeg output (tbc, tbn, tbr) [closed]

...time. FFMpeg uses in fact three different timestamps in different bases in order to work. tbn = the time base in AVStream that has come from the container tbc = the time base in AVCodecContext for the codec used for a particular stream tbr = tbr is guessed from the video stream and is the value u...
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SVN- How to commit multiple files in a single shot

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Why do you program in assembly? [closed]

...e accelerator architecture like manually moving data in and out in certain order. I doubt many people use assembly language when a higher-level language would do, especially when that language is C. Hand-optimizing large amounts of general-purpose code is impractical. ...
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Difference between \w and \b regular expression meta characters

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Why are quaternions used for rotations?

...: Normalization! Ghram-Shmit is asymmetrical, which does not give a higher order accurate answer when doing differential equations. More sophisticated methods are very complex and expensive. Axis (angle = length of axis) Minor advantage: Small. Moderate disadvantage: Multiplication and applying to ...
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How to resize superview to fit all subviews with autolayout?

... Eric Baker's comment tipped me off to the core idea that in order for a view to have its size be determined by the content placed within it, then the content placed within it must have an explicit relationship with the containing view in order to drive its height (or width) dynamicall...