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Seeding the random number generator in Javascript
...;>> 16, 2246822507);
h = Math.imul(h ^ h >>> 13, 3266489909);
return (h ^= h >>> 16) >>> 0;
}
}
Each subsequent call to the return function of xmur3 produces a new "random" 32-bit hash value to be used as a seed in a PRNG. Here's how you might u...
CSS filter: make color image with transparency white
...s.
Here's a JSFiddle changing the colour of the JSFiddle logo.
//Base64 source, but any local source will work
var src = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC0AAAAgCAYAAACGhPFEAAAABGdBTUEAALGPC/xhBQAABzhJREFUWAnNWAtwXFUZ/v9zs4GUJJu+k7tb5DFAGWO1aal1sJUiY3FQQaWidqgPLAMqYzd9CB073Vodh...
Zoom in on a point (using scale and translate)
... scale /= 2;
}
scale = scale < 1 ? 1 : (scale > 64 ? 64 : scale);
// determine the location on the screen at the new scale
var xNew = (xScreen - xImage) / scale;
var yNew = (yScreen - yImage) / scale;
// save the current screen location
...
What's the difference between the atomic and nonatomic attributes?
...cks Another fun one; on certain architectures (Can't remember which one), 64 bit values passed as an argument might be passed half in a register and half on the stack. atomic prevents cross-thread half-value reads. (That was a fun bug to track down.)
– bbum
...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
...ically check & get admin rights
:: see "https://stackoverflow.com/a/12264592/1016343" for description
::::::::::::::::::::::::::::::::::::::::::::
@echo off
CLS
ECHO.
ECHO =============================
ECHO Running Admin shell
ECHO =============================
:init
setlocal DisableDela...
What do the terms “CPU bound” and “I/O bound” mean?
...
rlandster
5,9981212 gold badges4646 silver badges7676 bronze badges
answered May 15 '09 at 13:07
unwindunwind
...
Compiled vs. Interpreted Languages
...8
Marie
16455 bronze badges
answered Jul 16 '10 at 14:00
mikeramikera
99.8k2323 gold ba...
Why '&&' and not '&'?
... = 00110010 (in decimal: 32+16+2 = 50)
b = 01010011 (in decimal: 64+ 16+2+1 = 83)
----------------
a & b = 00010010 (in decimal: 16+2 = 18)
a | b = 01110011 (in decimal: 64+32+16+2+1 = 115)
while a logical operator only works in bool:
a = true
b = false
---------...
Python - Create a list with initial capacity
...
Ned BatchelderNed Batchelder
306k6464 gold badges503503 silver badges608608 bronze badges
...
How can I export tables to Excel from a webpage [closed]
...sheet name as well. Same type of solution; stackoverflow.com/questions/17126453/…
– Espen Schulstad
Mar 13 '15 at 10:50
2
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