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What is a 'semantic predicate' in ANTLR?
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170
ANTLR 4
For predicates in ANTLR 4, checkout these stackoverflow Q&A's:
Syntax of semant...
What are the minimum margins most printers can handle?
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edited Apr 12 at 2:43
aaronsnoswell
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How to draw polygons on an HTML5 canvas?
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165
Create a path with moveTo and lineTo (live demo):
var ctx = canvas.getContext('2d');
ctx.fill...
Python, Matplotlib, subplot: How to set the axis range?
How can I set the y axis range of the second subplot to e.g. [0,1000] ?
The FFT plot of my data (a column in a text file) results in a (inf.?) spike so that the actual data is not visible.
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make arrayList.toArray() return more specific types
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313
Like this:
List<String> list = new ArrayList<String>();
String[] a = list.toArray...
Hex representation of a color with alpha channel?
...255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit hex colour (see CSS Level 4 spec*)
As of May 2019, >80% of users c...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...runt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question.
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How to position a DIV in a specific coordinates?
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175
Script its left and top properties as the number of pixels from the left edge and top edge res...
How to show line number when executing bash script
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You mention that you're already using -x. The variable PS4 denotes the value is the prompt pr...