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Android phone orientation overview including compass

... Roll is a function of gravity, a 90 degree roll puts all of gravity into the x register. Pitch is the same, a 90 degree pitch up puts all of the component of gravity into the y register. Yaw / Heading / azimuth has no effect on gravity, it is ALWAYS at right angles to gravity...
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What is the best way to compare floats for almost-equality in Python?

...the magnitudes of the two arguments; as the values get larger, so does the allowed difference between them while still considering them equal. abs_tol is an absolute tolerance that is applied as-is in all cases. If the difference is less than either of those tolerances, the values are considered eq...
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Create zip file and ignore directory structure

... sometime it just doesn't work... prefer @czerasz link ;) which basically is a pushd popd combo – TecHunter Oct 28 '16 at 8:33 add a comment  |  ...
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Sublime as default editor

... Actually it is not my answer, I have just googled it: Open regedit (Win+R, type "regedit", select OK). Navigate to HKEY_CLASSES_ROOT\Applications\sublime_text.exe\shell\open\command Verify that the path is accurate, correct it ...
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Check if string contains only digits

...al jQuery competitors that existed then, before jQuery had yet to win out, all practiced prototype extensions. – balupton Sep 7 '19 at 17:38 add a comment  |...
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How do I make Git use the editor of my choice for commits?

... For Sublime Text: Add this to the .gitconfig. The --wait is important (it allows to type text in sublime and will wait for save/close event.) [core] editor = 'subl' --wait 'subl' can be replaced by the full path of the executable but is usually available when correctly installed. ...
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Better explanation of when to use Imports/Depends

...n, however, be thwarted if another package, loaded later, places an identically named function earlier on the search path. Chambers (in SoDA) uses the example of the function "gam", which is found in both the gam and mgcv packages. If two other packages were loaded, one of them depending on gam and...
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How do I write stderr to a file while using “tee” with a pipe?

... need to keep an exra FD and do cleanup afterward by killing it and technically should be doing that in a trap '...' EXIT. There is a better way to do this, and you've already discovered it: tee. Only, instead of just using it for your stdout, have a tee for stdout and one for stderr. How will yo...
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How to copy commits from one branch to another?

... You should really have a workflow that lets you do this all by merging: - x - x - x (v2) - x - x - x (v2.1) \ x - x - x (wss) So all you have to do is git checkout v2.1 and git merge wss. If for some reason you r...
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Maven project version inheritance - do I have to specify the parent version?

...most cases. Moreover, this parent's version declaration is bumped automatically by Maven Release Plugin, so - in fact - it's not a problem that you have version in 2 places as long as you use Maven Release Plugin for releasing or just bumping versions. Notice that there are some cases when this beh...