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Permission is only granted to system app
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I want to change the screen brightness programmatically. I have edited the Lint under settings. But it's throwing some security exception while trying to change the screen brightness programmatically. Anyone have any solution to implement this feature in Android 3.1 above Mar...
Differences between action and actionListener
...just specify exactly that string in the action attribute. Thus, this is totally clumsy:
<h:commandLink value="Go to next page" action="#{bean.goToNextpage}" />
With this senseless method returning a hardcoded string:
public String goToNextpage() {
return "nextpage";
}
Instead, just put t...
What's the difference between $evalAsync and $timeout in AngularJS?
...d have found the need to use $timeout every once in a while (Seems to usually be to init a jQuery plugin).
2 Answers
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Origin is not allowed by Access-Control-Allow-Origin
...rstand the underlying security issue. In my case, 2 servers are running locally, and like to enable cross domain requests during testing.
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What's the difference between a proc and a lambda in Ruby?
...ept the resulting Proc objects check the number of parameters passed when called.
An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lamb...
How To Test if Type is Primitive
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This is great, I had to manually add Guid for my own purposes (as a primitive in my definition).
– Erik Philips
Jul 27 '12 at 22:54
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How is an overloaded method chosen when a parameter is the literal null value?
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@JonSkeet: That makes sense. So basically it looks for a method according to the most specific rule and if it not able to decide which is more specific then it would throw a compile-time error.
– zakSyed
Oct 23 '12 at 15:03...
Can I use if (pointer) instead of if (pointer != NULL)?
...s converted to true.
This is part of the C++ standard conversion, which falls in Boolean conversion clause:
§ 4.12 Boolean conversions
A prvalue of arithmetic, unscoped enumeration, pointer, or pointer to member type can be converted to a prvalue of type bool. A zero value, null pointer valu...
Why is vertical-align: middle not working on my span or div?
I'm trying to vertically center a span or div element within another div element. However when I put vertical-align: middle , nothing happens. I've tried changing the display properties of both elements, and nothing seems to work.
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Can one do a for each loop in java in reverse order?
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The Collections.reverse method actually returns a new list with the elements of the original list copied into it in reverse order, so this has O(n) performance with regards to the size of the original list.
As a more efficient solution, you could write a deco...