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Drawing an image from a data URL to a canvas

...t('2d'); var img = new Image; img.onload = function(){ ctx.drawImage(img,0,0); // Or at whatever offset you like }; img.src = strDataURI; Edit: I previously suggested in this space that it might not be necessary to use the onload handler when a data URI is involved. Based on experimental tests f...
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Fast stable sorting algorithm implementation in javascript

I'm looking to sort an array of about 200-300 objects, sorting on a specific key and a given order (asc/desc). The order of results must be consistent and stable. ...
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How does the static modifier affect this code?

...nd initialized with default values. So now the values are: A obj=null num1=0 num2=0 The second phase, execution, starts from top to bottom. In Java, the execution starts from the first static members. Here your first static variable is static A obj = new A();, so first it will create the object of...
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memory_get_peak_usage() with “real usage”

... +400 Ok, lets test this using a simple script: ini_set('memory_limit', '1M'); $x = ''; while(true) { echo "not real: ".(memory_get_peak...
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How to trim white spaces of array values in php

... | edited Sep 20 '19 at 8:55 Sebastian Viereck 3,7503333 silver badges4141 bronze badges answ...
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Best way to represent a fraction in Java?

... //only numerator should be negative. if(denominator.signum() < 0) { numerator = numerator.negate(); denominator = denominator.negate(); } //create a reduced fraction BigInteger gcd = numerator.gcd(denominator); this.numerator = numerator.divide(gcd); ...
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Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat

... 305 Run gradle -q dependencies (or gradle -q :projectName:dependencies) to generate a dependency re...
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How to include “zero” / “0” results in COUNT aggregate?

... 102 You want an outer join for this (and you need to use person as the "driving" table) SELECT per...
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How do you use NSAttributedString?

...DK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta . 15 Answers ...
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Why does (1 in [1,0] == True) evaluate to False?

...arison operator chaining here. The expression is translated to (1 in [1, 0]) and ([1, 0] == True) which is obviously False. This also happens for expressions like a < b < c which translate to (a < b) and (b < c) (without evaluating b twice). See the Python language documentat...