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Drawing an image from a data URL to a canvas
... = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('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 o...
git diff file against its last change
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222
This does exist, but it's actually a feature of git log:
git log -p [--follow] [-1] <path&...
What is the difference between README and README.md in GitHub projects?
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Rodrigo
522 bronze badges
answered Dec 28 '11 at 12:31
Mike PenningtonMike Pennington
3...
A migration to add unique constraint to a combination of columns
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251
add_index :people, [:firstname, :lastname, :dob], :unique => true
...
In Java, how do I parse XML as a String instead of a file?
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482
I have this function in my code base, this should work for you.
public static Document loadXMLF...
Rails - Validate Presence Of Association?
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edited Dec 21 '17 at 21:06
Dorian
17.4k66 gold badges101101 silver badges102102 bronze badges
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What will happen if I modify a Python script while it's running?
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276
Nothing, because Python precompiles your script into a PYC file and launches that.
However, i...
android button selector
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217
You just need to set selector of button in your layout file.
<Button
android:id="@+id...
How can I check that a form field is prefilled correctly using capybara?
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edited Oct 28 '16 at 14:53
Малъ Скрылевъ
14.3k44 gold badges4646 silver badges5959 bronze badges
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Prevent wrapping of span or div
...5
Eric
6,28455 gold badges3434 silver badges5959 bronze badges
answered Mar 25 '09 at 1:26
Ron DeVeraRon DeVer...