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Drawing a dot on HTML5 canvas [duplicate]
... on the HTML5 canvas is quite straightforward using the context.moveTo() and context.lineTo() functions.
6 Answers
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The cause of “bad magic number” error when loading a workspace and how to avoid it?
I tried to load my R workspace and received this error:
9 Answers
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Get url parameters from a string in .NET
...ng "google.com/…" doesn't detect the parameter q
– Andrew Shepherd
Jun 30 '09 at 4:26
@Andrew I confirm. It's strang...
Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
I'm using the Android Compatibility library to implement fragments and have extended the layout sample so that a fragment contains a button which fires off another fragment.
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javascript regex - look behind alternative?
...ontaining a word?
Look ahead is available since version 1.5 of javascript and is supported by all major browsers
Updated to match filename2.js and 2filename.js but not filename.js
(^(?!filename\.js$).).+\.js
share
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How to call getClass() from a static method in Java?
...tory.getLogger($CLASS$.class); as the template text.
Click Edit Variables and add CLASS using the expression className()
Check the boxes to reformat and shorten FQ names.
Change the context to Java: declaration.
Now if you type log<tab> it'll automatically expand to
private static final L...
Rails: How can I set default values in ActiveRecord?
...st this case like so:
self.number ||= 0.0 if self.has_attribute? :number
and for a boolean column...
self.bool_field = true if (self.has_attribute? :bool_value) && self.bool_field.nil?
Also note that the syntax is different prior to Rails 3.2 (see Cliff Darling's comment below)
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Space between two rows in a table?
...class spaceUnder. This will make it possible to use nested tables. (Cell C and D in the example code.) I'm not too sure about browser support for the direct child selector (think IE 6), but it shouldn't break the code in any modern browsers.
/* Apply padding to td elements that are direct child...
Assign variable in if condition statement, good practice or not? [closed]
...ng whatever the value evaluates to be after the assignment. Is this understanding right?
– Michael Mao
Apr 5 '10 at 2:10
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What is JSONP, and why was it created?
I understand JSON, but not JSONP. Wikipedia's document on JSON is (was) the top search result for JSONP. It says this:
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