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What is the current state of the art in HTML canvas JavaScript libraries and frameworks? [closed]
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I've been working on fabric.js — a canvas library to help with exactly that — manipulating objects on canvas, by handling event...
Python memoising/deferred lookup property decorator
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answered Jun 29 '17 at 0:07
guyaradguyarad
99411 gold badge1212 silver badges1717 bronze badges
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How to convert numbers between hexadecimal and decimal
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edited Apr 15 '18 at 22:04
Legends
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answered ...
Excel: last character/string match in a string
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JvdVJvdV
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Possible to iterate backwards through a foreach?
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edited Feb 8 '15 at 12:07
Shimmy Weitzhandler
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Regex Named Groups in Java
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(Update: August 2011)
As geofflane mentions in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex nam...
Javascript Regex: How to put a variable inside a regular expression?
...licious content (e.g. the variable comes from user input)
ES6 Update
In 2019, this would usually be written using a template string, and the above code has been updated. The original answer was:
var regex = new RegExp("ReGeX" + testVar + "ReGeX");
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string.replace(regex, "replacement");
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Where is Android Studio layout preview?
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UPDATE 2 (2020-03-16)
The newer Android Studio version changed the location of this button. Now if you want to see the layout design preview you will need to press one of the buttons at the top right of your xml. The button that looks ...
Android Fragment lifecycle over orientation changes
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You're layering your Fragments one on top of the other.
When a config change occurs the old Fra...
How can I convert spaces to tabs in Vim or Linux?
...abstop=4
– Mikeumus
Sep 9 '13 at 15:02
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