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Most used parts of Boost [closed]
...filesystem
thread
lexical_cast
program_options (just brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really would have ...
What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
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Will using goto leak variables?
Is it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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Can I use an OR in regex without capturing what's enclosed?
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Depending on the regular expression implementation you can use so called non-capturing groups with the syntax (?:…):
((?:a|b)c)
Here (?:a|b) is a group but you cannot reference its match. So you can only reference the match of ((?:a|b)c) that is either ac or bc.
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How can I compare two dates in PHP?
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If all your dates are posterior to the 1st of January of 1970, you could use something like:
$today = date("Y-m-d");
$expire = $row->expireDate; //from database
$today_time = strtotime($today);
$expire_time = strtotime($exp...
SQL Server ':setvar' Error
... running the script either via the menu as above or ensure your custom install script does so before it runs.
– rism
May 20 '12 at 1:39
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How to get the index of a maximum element in a numpy array along one axis
...eading. It calculates the index of the maximum element of the array across all axis, not along a given axis as the OP asks: it is wrong. Moreover, if there is more than one maximum, it retrieves the indices of only the first maximum: this should be pointed out. Try with a = np.array([[1,4,3],[4,3,1]...
MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer
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What would be the way of doing this "globally" for all properties marked [DataType(DataType.Date)] so I wouldn't have to mark all these properties separately with the risk of missing some?
– Marjan Venema
Jul 20 '13 at 13:35
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Why is Class.newInstance() “evil”?
... This is the very nature of reflection in general ... not at all specific to Constructor.newInstance().
– Ryan Delucchi
Oct 24 '08 at 23:35
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MetadataException: Unable to load the specified metadata resource
All of a sudden I keep getting a MetadataException on instantiating my generated ObjectContext class. The connection string in App.Config looks correct - hasn't changed since last it worked - and I've tried regenerating a new model (edmx-file) from the underlying database with no change.
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