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Select rows of a matrix that meet a condition

... How does this work if you don't want to specify the column names at all but want to work over all columns in the matrix? – user5359531 Jul 22 '16 at 22:54 ...
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Where is the IIS Express configuration / metabase file found?

... The configuration file is called applicationhost.config. It's stored here: My Documents > IIS Express > config usually, but not always, one of these paths will work %userprofile%\documents\iisexpress\config\applicationhost.config %userprofil...
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Android accelerometer accuracy (Inertial navigation)

... It's quite different to the old manually-take-some-pictures-then-stitch-them-later job. It does track its position in real time somehow. It's a little difficult to explain without demonstrating it. You don't have to take pictures manually - the phone decides...
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What is the C# equivalent of NaN or IsNumeric?

...myNum)) { // it is a number } else { // it is not a number } Incidentally, all of the standard data types, with the glaring exception of GUIDs, support TryParse. update secretwep brought up that the value "2345," will pass the above test as a number. However, if you need to ensure that all o...
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?

...e to use is a confusion and one of them definitely needs to be used - afterall what's the purpose of having a server which is just good at IO and nothing else? Suggestions needed! ...
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Callback to a Fragment from a DialogFragment

Question: How does one create a callback from a DialogFragment to another Fragment. In my case, the Activity involved should be completely unaware of the DialogFragment. ...
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How does strtok() split the string into tokens in C?

... string into tokens. I am unable to understand from the manual what it actually does. 15 Answers ...
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Amazon products API - Looking for basic overview and information

...me: The API you're interested in is the Product Advertising API (PA). It allows you programmatic access to search and retrieve product information from Amazon's catalog. If you're having trouble finding information on the API, that's because the web service has undergone two name changes in recent...
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HorizontalScrollView within ScrollView Touch Handling

...talScrollView block that has features that can be scrolled through horizontally. I've added an ontouchlistener to the horizontalscrollview to handle touch events and force the view to "snap" to the closest image on the ACTION_UP event. ...
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Code formatting shortcuts in Android Studio for Operation Systems

...Alt + L macOS: Option + Command + L Reference: Key Commands and here are all of the commands for Windows/ Linux users and for Mac users. As Rohit faced a problem in Ubuntu with the format code shortcut, this is due to the Ctrl + Alt + L key being used to lock the screen in Ubuntu. I found that...