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How to check if a JavaScript variable is NOT undefined? [duplicate]
Things I’ve tried that don’t seem to work:
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Best way to do Version Control for MS Excel
What version control systems have you used with MS Excel (2003/2007)? What would you recommend and Why? What limitations have you found with your top rated version control system?
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What is the difference between `git merge` and `git merge --no-ff`?
Using gitk log , I could not spot a difference between the two. How can I observe the difference (with a git command or some tool)?
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Understanding typedefs for function pointers in C
I have always been a bit stumped when I read other peoples' code which had typedefs for pointers to functions with arguments. I recall that it took me a while to get around to such a definition while trying to understand a numerical algorithm written in C a while ago. So, could you share your tips a...
Select element by exact match of its content
All right, I wonder if there is a way to make the :contains() jQuery's selector to select elements with only the string that is typed in
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Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)
As far as I know, there are three JSON Parsers for Objective-C, JSON Framework , YAJL , and Touch JSON . Then, These three would have their own characteristics.
For example:
YAJL can be used as a SAX style parser.
JSON Framework has relatively long history and is widely used.
Touch JSO...
How to query SOLR for empty fields?
I have a large solr index, and I have noticed some fields are not updated correctly (the index is dynamic).
7 Answers
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When is it right for a constructor to throw an exception?
When is it right for a constructor to throw an exception? (Or in the case of Objective C: when is it right for an init'er to return nil?)
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How can I format a nullable DateTime with ToString()?
How can I convert the nullable DateTime dt2 to a formatted string?
20 Answers
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Accessing a Dictionary.Keys Key through a numeric index
I'm using a Dictionary<string, int> where the int is a count of the key.
15 Answers
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