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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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How to calculate the number of occurrence of a given character in each row of a column of strings?

... 2 #2 2 magic 1 #3 3 not 0 share | improve this answer | follow | ...
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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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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

...imary: #222222; --secondary: #ffffff; --tertiary: #0088cc; --quaternary: #e45735; --highlight: #ffff4d; --success: #009900; } } /* then deal with dark scheme */ @media (prefers-color-scheme: dark) { ...
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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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Best way to format integer as string with leading zeros? [duplicate]

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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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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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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 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...