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Drawing an image from a data URL to a canvas
...ge or purely in JS) by setting the src of the image to your data URL. For example:
var img = new Image;
img.src = strDataURI;
The drawImage() method of HTML5 Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = d...
Compiling simple Hello World program on OS X via command line
I've got a simple hello world example that I'm trying to compile on OS X, named hw.cpp :
8 Answers
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what is Promotional and Feature graphic in Android Market/Play Store?
...it mean and need whether we are uploading our app into the market? Please Explain or give me a related links.
7 Answers
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Where and why do I have to put the “template” and “typename” keywords?
...why do I have to put typename and template on dependent names?
What exactly are dependent names anyway?
6 Answers
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Using do block vs braces {}
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Ruby cookbook says bracket syntax has higher precedence order than do..end
Keep in mind that the bracket syntax
has a higher precedence than the
do..end syntax. Consider the following
two snippets of code:
1.upto 3 do |x|
puts x
end
1.upto 3 ...
How to convert milliseconds into human readable form?
...l, since nobody else has stepped up, I'll write the easy code to do this:
x = ms / 1000
seconds = x % 60
x /= 60
minutes = x % 60
x /= 60
hours = x % 24
x /= 24
days = x
I'm just glad you stopped at days and didn't ask for months. :)
Note that in the above, it is assumed that / represents trunca...
How to show math equations in general github's markdown(not github's blog)
After investigating, I've found mathjax can do this. But when I write some example in my markdown file, it doesn't show the correct equations:
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Don't understand why UnboundLocalError occurs (closure) [duplicate]
...
counter += 1
implicitly makes counter local to increment(). Trying to execute this line, though, will try to read the value of the local variable counter before it is assigned, resulting in an UnboundLocalError.[2]
If counter is a global variable, the global keyword will help. If increment() i...