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Ternary operation in CoffeeScript
...everything is an expression, and thus results in a value, you can just use if/else.
a = if true then 5 else 10
a = if false then 5 else 10
You can see more about expression examples here.
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When do you use POST and when do you use GET?
... idempotent requests
In details
There is a proper place for each. Even if you don't follow RESTful principles, a lot can be gained from learning about REST and how a resource oriented approach works.
A RESTful application will use GETs for operations which are both safe and idempotent.
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What is the pythonic way to detect the last element in a 'for' loop?
...ial case instead of the last one:
first = True
for data in data_list:
if first:
first = False
else:
between_items()
item()
This will work for any iterable, even for those that have no len():
file = open('/path/to/file')
for line in file:
process_line(line)
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Drawing a dot on HTML5 canvas [duplicate]
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For performance reasons, don't draw a circle if you can avoid it. Just draw a rectangle with a width and height of one:
ctx.fillRect(10,10,1,1); // fill in the pixel at (10,10)
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Handler vs AsyncTask
...ler is more transparent of the two and probably gives you more freedom; so if you want more control on things you would choose Handler otherwise AsynTask will work just fine.
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Difference between GeoJSON and TopoJSON
What is the difference between GeoJSON and TopoJSON and when would I use one over the other?
3 Answers
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Is PHP's count() function O(1) or O(n) for arrays?
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@Matt It's checking if hash structure is valid, as I can see. It's defined in zend_hash.c and it's O(1) also.
– Vladislav Rastrusny
Apr 29 '11 at 18:09
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Fixed width buttons with Bootstrap
Does Bootstrap support fixed width buttons? Currently if I have 2 buttons, "Save" and "Download", the button size changes based on content.
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How do Trigonometric functions work?
...lems they solve. But they have always been presented to me as a black box. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you're set. Which is fine.
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JSON left out Infinity and NaN; JSON status in ECMAScript?
...nge situation where objects that would otherwise be serializable, are not, if they contain NaN or +/- infinity values.
9 An...