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How to check for file existence [duplicate]
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Check out Pathname and in particular Pathname#exist?.
File and its FileTest module are perhaps simpler/more direct, but I find Pathname a nicer interface in general.
s...
Correct way to override Equals() and GetHashCode() [duplicate]
...eone could show me the correct what of implementing a override of Except() and GetHashCode() for my class.
3 Answers
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What is the difference between List and ArrayList? [duplicate]
I've been using ArrayList recently in my android project at the office and I'm a bit confused between List and ArrayList, what is the difference of the two and what should I use?
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How to downgrade from Internet Explorer 11 to Internet Explorer 10?
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Go to Control Panel -> Programs -> Programs and features
Go to Windows Features and disable Internet Explorer 11
Then click on Display installed updates
Search for Internet explorer
Right-click on Internet Explorer 11 -> Uninstall
Do the same with Internet...
GDB corrupted stack frame - How to debug?
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Those bogus adresses (0x00000002 and the like) are actually PC values, not SP values. Now, when you get this kind of SEGV, with a bogus (very small) PC address, 99% of the time it's due to calling through a bogus function pointer. Note that virtual calls i...
What are the alternatives now that the Google web search API has been deprecated? [closed]
Google Web Search API has been deprecated and replaced with Custom Search API (see http://code.google.com/apis/websearch/ ).
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Removing empty lines in Notepad++
How can I replace empty lines in Notepad++? I tried a find and replace with the empty lines in the find, and nothing in the replace, but it did not work; it probably needs regex.
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Write a function that returns the longest palindrome in a given string
...ng Manacher's Algorithm in O(n) time! Its implementation can be found here and here.
For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 1234567887654321.
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How to use count and group by at the same select statement
...or example, having a table with users I want to select the different towns and the total number of users
11 Answers
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Calculate age given the birth date in the format YYYYMMDD
... answered Feb 24 '14 at 9:51
André Snede KockAndré Snede Kock
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