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How to make an Android device vibrate?
...el 26. Use vibrate(VibrationEffect) instead.
– Timo Bähr
Jan 23 '18 at 15:05
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Where does this come from: -*- coding: utf-8 -*-
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actually, if I put a line like test1 = 'äöü' it will hint you to add such a headder to the file. (pycharm 2019.1)
– Cutton Eye
Sep 27 '19 at 10:33
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
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Here's a comment by React team member Sebastian Markbåge which sheds some light:
React does the diffing on the output (which is a known serializable format, DOM attributes). This means that the source data can be of any format. It can be immutable data structures and state in...
HTML5 Canvas vs. SVG vs. div
What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
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Javascript roundoff number to nearest 0.5
... var inv = 1.0 / step;
return Math.round(value * inv) / inv;
}
round(2.74, 0.1) = 2.7
round(2.74, 0.25) = 2.75
round(2.74, 0.5) = 2.5
round(2.74, 1.0) = 3.0
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How to impose maxlength on textArea in HTML using JavaScript
...ise the browser will enforce the limit).
– Juha Palomäki
Jan 20 '13 at 23:16
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Is there a MySQL option/feature to track history of changes to records?
...in a MySQL database. So when a field has been changed, the old vs new is available and the date this took place. Is there a feature or common technique to do this?
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Retrieving the last record in each group - MySQL
There is a table messages that contains data as shown below:
27 Answers
27
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Does “\d” in regex mean a digit?
...tag is Python and \d matches any Unicode digits only in Python3. In Python 2.7 it's still the old ASCII [0-9]—it could be worth clarifying that in the answer. :)
– zx81
Jun 16 '14 at 11:02
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