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What is the difference between Ruby 1.8 and Ruby 1.9
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Array.to_s Now Contains Punctuation
Ruby 1.9
irb(main):001:0> [1,2,3].to_s
=> "[1, 2, 3]"
Ruby 1.8.6
irb(main):001:0> [1,2,3].to_s
=> "123"
Action: Use .join instead
Colon No Longer Valid In When Statements
Ruby 1.9
irb(main):001:0> case 'a'; when /\w/: puts 'word'; end...
How to load JAR files dynamically at Runtime?
Why is it so hard to do this in Java? If you want to have any kind of module system you need to be able to load JAR files dynamically. I'm told there's a way of doing it by writing your own ClassLoader , but that's a lot of work for something that should (in my mind at least) be as easy as calling ...
Valid values for android:fontFamily and what they map to?
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3 Answers
3
Active
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Which parts of Real World Haskell are now obsolete or considered bad practice?
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137
Main issue of RWH
It's old. RWH was written at a time version 6.8 of GHC was being used. 6.8 u...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
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E.g. [a]{2} matches two consecutive lower case letter a: aa
E.g. [a]{1,3} matches at least one and up to three lower case letter a, aa, aaa
+ Match at least one, or more, of the pattern defined before it.
E.g. a+ will match consecutive a's a, aa, aaa, and so on
? Match zero or...
Why covariance and contravariance do not support value type
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answered Sep 17 '12 at 7:37
Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
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When does invoking a member function on a null instance result in undefined behavior?
...stand is why it's undefined behavior to dereference a null pointer. In C++03, there's actually a bit of ambiguity here.
Although "dereferencing a null pointer results in undefined behavior" is mentioned in notes in both §1.9/4 and §8.3.2/4, it's never explicitly stated. (Notes are non-normative.)...
Fastest way to count exact number of rows in a very large table?
I have come across articles that state that SELECT COUNT(*) FROM TABLE_NAME will be slow when the table has lots of rows and lots of columns.
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What is the difference between quiet NaN and signaling NaN?
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answered Aug 8 '13 at 5:41
wrdieterwrdieter
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What's the difference between setWebViewClient vs. setWebChromeClient?
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153
From the source code:
// Instance of WebViewClient that is the client callback.
private volatil...