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Why does isNaN(“ ”) (string with spaces) equal false?
...eturns 123, which means isNaN(parseInt("123abcd")) will return false while it should return true!
– Pawan Nogariya
Dec 27 '12 at 6:23
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JavaScript plus sign in front of function expression
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It forces the parser to treat the part following the + as an expression. This is usually used for functions that are invoked immediately, e.g.:
+function() { console.log("Foo!"); }();
Without the + there, if the parser is ...
onclick() and onblur() ordering issue
...t brings up a custom drop-down menu. I would like the following functionality:
6 Answers
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What is the difference between linear regression and logistic regression?
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Linear regression output as probabilities
It's tempting to use the linear regression output as probabilities but it's a mistake because the output can be negative, and greater than 1 whereas probability can not. As regression might actually
produce probabiliti...
Node.js EACCES error when listening on most ports
...n app (hopefully to run on heroku, but am having issues locally as well). It's giving me an EACCES error when it runs http.Server.listen() - but it only occurs on some ports.
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How to query SOLR for empty fields?
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@YzmirRamirez I've tried with the example of Solr 4.5.1 and ?q=-id:* seems to work as expected. Maybe the parsing error is related to this issue.
– user2043553
Dec 8 '14 at 11:28
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What are the mechanics of short string optimization in libc++?
...tring optimization (SSO). However, I would like to know in more detail how it works in practice, specifically in the libc++ implementation:
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Maximum filename length in NTFS (Windows XP and Windows Vista)?
...ame (i.e. each subdirectory along the path, and the final filename) are limited to 255 characters, and the total path length is limited to approximately 32,000 characters.
However, on Windows, you can't exceed MAX_PATH value (259 characters for files, 248 for folders). See http://msdn.microsoft.co...
Is there a standard way to list names of Python modules in a package?
...here a straightforward way to list the names of all modules in a package, without using __all__ ?
10 Answers
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?
...igure out when and why to use a Dictionary or a HashTable. I have done a bit of a search on here and have found people talking about the generic advantages of the Dictionary which I totally agree with, which leads the boxing and unboxing advantage for a slight performance gain.
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