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How do I get the coordinates of a mouse click on a canvas element?

...s pretty old and it uses checks for old browsers that are not necessary anymore, as the clientX and clientY properties work in all current browsers. You might want to check out Patriques Answer for a simpler, more recent solution. Original Answer: As described in an article i found back then but ex...
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Constructor in an Interface?

...nterface." "If a define a Interface for this class so that I can have more classes which implement the message interface, I can only define the send method and not the constructor" ...these requirements are exactly what abstract classes are for. ...
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How do I check that a number is float or integer?

...r, an array containing a string representing an integral number, and maybe more. – Dagg Nabbit Oct 8 '10 at 16:53 ...
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What is “runtime”?

...f your code. Low-level languages like C have very small (if any) runtime. More complex languages like Objective-C, which allows for dynamic message passing, have a much more extensive runtime. You are correct that runtime code is library code, but library code is a more general term, describing th...
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bash: shortest way to get n-th column of output

...  |  show 1 more comment 111 ...
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Webfonts or Locally loaded fonts?

...So that can be beneficial too. Specifically talking about fonts (and even more specifically, Google's offering), I would probably stick with a CSS method (I like @import because it keeps styling with the stylesheet, but that could be just me). The JS file loaded by the script (http://ajax.googleapi...
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How to elegantly check if a number is within a range?

...agree this is a terrible idea performance-wise, but the OP wants something more fancy than an if statement. This certainly accomplishes that... ;) – Tim Coker Jul 6 '10 at 17:49 ...
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“Large data” work flows using pandas

...te new columns, save these. (Giving a toy example could enable us to offer more specific recommendations.) After that processing, then what do you do? Is step 2 ad hoc, or repeatable? Input flat files: how many, rough total size in Gb. How are these organized e.g. by records? Does each one contains ...
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Recursively remove files

... @IlmariKaronen: good point. Wouldn't command rm be a better (that is, more direct) solution? (By "direct" I mean it deals specifically with the problem at hand and nothing else, and therefore is less likely to have any unwanted side-effects, and is also going to be more self-explanatory to anyo...
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Is Unit Testing worth the effort? [closed]

...oes not mean writing twice as much code, or coding slower. It's faster and more robust than coding without tests once you've got the hang of it. Test code itself is usually relatively trivial and doesn't add a big overhead to what you're doing. This is one you'll only believe when you're doing it :)...