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Why does 2 mod 4 = 2?
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152
Mod just means you take the remainder after performing the division. Since 4 goes into 2 zero t...
base64 encoded images in email signatures
...reliably for most email clients. For email purposes be sure to read Shadow2531's answer.
Base-64 data is legal in an img tag and I believe your question is how to properly insert such an image tag.
You can use an online tool or a few lines of code to generate the base 64 string.
The syntax to s...
Get a pixel from HTML Canvas?
...color.
for (var i = 0, n = pix.length; i < n; i += 4) {
pix[i ] = 255 - pix[i ]; // red
pix[i+1] = 255 - pix[i+1]; // green
pix[i+2] = 255 - pix[i+2]; // blue
// i+3 is alpha (the fourth element)
}
// Draw the ImageData at the given (x,y) coordinates.
context.putImageData(imgd,...
Fastest way to check if a string is JSON in PHP?
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593
function isJson($string) {
json_decode($string);
return (json_last_error() == JSON_ERROR_NON...
Stack smashing detected
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357
Stack Smashing here is actually caused due to a protection mechanism used by gcc to detect buff...
What do 'statically linked' and 'dynamically linked' mean?
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5 Answers
5
Active
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How do I get bit-by-bit data from an integer value in C?
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155
If you want the k-th bit of n, then do
(n & ( 1 << k )) >> k
Here we create...
How to make rpm auto install dependencies
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gertvdijkgertvdijk
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How do I clone a range of array elements to a new array?
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475
+50
You could...
What is in your Mathematica tool bag? [closed]
...ne liner:
SelectEquivalents[hamlst,
#[[;; 3]] &,
#[[{4, 5}]] -> (Complex @@ #[[6 ;;]]) &,
{#1, SparseArray[#2]} &]
Honestly, this is my Swiss Army Knife, and it makes complex things very simple. Most of my other tools are somewhat domain specific, so I'll prob...