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Replace a value if null or undefined in JavaScript
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How do I print the elements of a C++ vector in GDB?
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BigDecimal - to use new or valueOf
...e of 1, with a scale of 1), but it is actually equal to 0.1000000000000000055511151231257827021181583404541015625. This is because 0.1 cannot be represented exactly as a double (or, for that matter, as a binary fraction of any finite length). Thus, the value that is being passed in to the constructo...
What does the star operator mean, in a function call?
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Types in MySQL: BigInt(20) vs Int(20)
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Bill KarwinBill Karwin
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Is there StartsWith or Contains in t sql with variables?
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StartsWith
a) left(@edition, 15) = 'Express Edition'
b) charindex('Express Edition', @edition) = 1
Contains
charindex('Express Edition', @edition) >= 1
Examples
left function
set @isExpress = case when left(@edition, 15) = 'Express Edition' then...
Drawing an image from a data URL to a canvas
...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 = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('2d');
var img...
getMonth in javascript gives previous month
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Rahul TripathiRahul Tripathi
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How to navigate through a vector using iterators? (C++)
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Understanding recursion [closed]
... slashes point to children, and @ means the pointer points to null):
5
/ \
4 3
/\ /\
2 1 @ @
/\ /\
@@ @@
If we call sumNode on the root (the node with value 5), we will return:
return root->value + sumNode( root->left ) + sumNode( root->right ) ;
return 5 + sumNod...