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android TextView: setting the background color dynamically doesn't work
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Use et.setBackgroundResource(R.color.white);
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Android: failed to convert @drawable/picture into a drawable
...es and they all reference perfect, but when I try and add any more images with the exact same size in the same folder, and try to reference it, is flags up an error "Failed to convert @drawable/picture into a drawable" . I have tried the same image with a different name and it just keeps giving me ...
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
In the following method definitions, what does the * and ** do for param2 ?
22 Answers
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How do you know when to use fold-left and when to use fold-right?
...re problem and stepping through the implementation of the fold function as it applies to my problem.
4 Answers
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What's a correct and good way to implement __hash__()?
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An easy, correct way to implement __hash__() is to use a key tuple. It won't be as fast as a specialized hash, but if you need that then you should probably implement the type in C.
Here's an example of using a key for hash and equality:
class A:
def __key(self):
return (self.at...
In C#, what is the difference between public, private, protected, and having no access modifier?
...by any other code in the same assembly or another assembly that references it.
private
The type or member can only be accessed by code in the same class or struct.
protected
The type or member can only be accessed by code in the same class or struct, or in a derived class.
private protected (added i...
Colorized Ruby output to the terminal [closed]
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Colorize is my favorite gem! :-)
Check it out:
https://github.com/fazibear/colorize
Installation:
gem install colorize
Usage:
require 'colorize'
puts "I am now red".red
puts "I am now blue".blue
puts "Testing".yellow
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Append an object to a list in R in amortized constant time, O(1)?
If I have some R list mylist , you can append an item obj to it like so:
17 Answers
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Codesign error: Provisioning profile cannot be found after deleting expired profile
...ing just yesterday. Got a message that a profile had expired, so I removed it from the iPod and from iTunes. When I chose a new profile (one with an * in the identifier), I now get an error:
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Android global variable
...main values around the life cycle of the application regardless which activity running.
14 Answers
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