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chart.js load totally new data
...eight
var x = canvas.width/2;
var y = canvas.height/2;
ctx.font = '10pt Verdana';
ctx.textAlign = 'center';
ctx.fillText('This text is centered on the canvas', x, y);
};
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The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
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205
Use string instead of string? in all places in your code.
The Nullable<T> type requires ...
is_file or file_exists in PHP
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answered Apr 27 '09 at 10:00
hbwhbw
14.6k55 gold badges4646 silver badges5656 bronze badges
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
3 Answers
3
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Weighted random numbers
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1) calculate the sum of all the weights
2) pick a random number that is 0 or greater and is less than the sum of the weights
3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is less than that item's weight
Ps...
How to optimize for-comprehensions and loops in Scala?
... positive number that is evenly divisible by all of the numbers from 1 to 20?"
8 Answers
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PowerShell script to return versions of .NET Framework on a machine?
...k. The earlier answers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), and fail to return anything for 4.0 ...
EDIT: For .Net 4.5 and up, this changed slightly again, so there's now a nice MSDN a...
jQuery map vs. each
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270
The each method is meant to be an immutable iterator, where as the map method can be used as an ...
How can I String.Format a TimeSpan object with a custom format in .NET?
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250
Please note: this answer is for .Net 4.0 and above. If you want to format a TimeSpan in .Net 3....
What do the return values of node.js process.memoryUsage() stand for?
...the Heap
heapUsed: Heap actually Used
Ref: http://apmblog.dynatrace.com/2015/11/04/understanding-garbage-collection-and-hunting-memory-leaks-in-node-js/
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