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Set transparent background of an imageview on Android
I am using a web view in which I am adding an image view. How can I set the background of this image view to transparent?
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How to list all methods for an object in Ruby?
...default_timezone", "encode_quoted_value",
"reloadable?", "update", "reset_sequence_name", "default_timezone=",
"validate_find_options", "find_on_conditions_without_deprecation",
"validates_size_of", "execute_simple_calculation", "attr_protected",
"reflections", "table_name_prefix...
How do I find the width & height of a terminal window?
...OLUMNS environmental variables should be able to do the trick. The will be set automatically upon any change in the terminal size. (i.e. the SIGWINCH signal)
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How to load/edit/run/save text files (.py) into an IPython notebook cell?
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How to use sed to remove the last n lines of a file
I want to remove some n lines from the end of a file. Can this be done using sed?
22 Answers
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How do I get the n-th level parent of an element in jQuery?
When I want to get, for example, the 3rd level parent of the element I must write $('#element').parent().parent().parent() Is there a more optimal method for this?
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Getting the difference between two sets
So if I have two sets:
7 Answers
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Convert character to ASCII numeric value in java
...ava uses a multibyte encoding of Unicode characters. The Unicode character set is a super set of ASCII. So there can be characters in a Java string that do not belong to ASCII. Such characters do not have an ASCII numeric value, so asking how to get the ASCII numeric value of a Java character is una...
Check string for palindrome
A palindrome is a word, phrase, number or other sequence of units that can be read the same way in either direction.
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What is an initialization block?
... in a constructor or a method or an initialization block. What is the use of initialization block? Is it necessary that every java program must have it?
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