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Conversion from Long to Double in Java
Is there any way to convert a Long data type to Double or double ?
8 Answers
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MongoDB drop every database
I would like to know if there're a command to drop every databases from my MongoDB?
8 Answers
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Difference between two dates in Python
I have two different dates and I want to know the difference in days between them. The format of the date is YYYY-MM-DD.
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Parse query string in JavaScript [duplicate]
I need to parse the query string www.mysite.com/default.aspx?dest=aboutus.aspx .
How do I get the dest variable in JavaScript?
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How to find a parent with a known class in jQuery?
I have a <div> that has many other <div> s within it, each at a different nesting level. Rather than give every child <div> an identifier, I rather just give the root <div> the identifier. Here’s an example:
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How to check if a string contains only digits in Java [duplicate]
In Java for String class there is a method called matches, how to use this method to check if my string is having only digits using regular expression. I tried with below examples, but both of them returned me false as result.
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Cast Object to Generic Type for returning
Is there a way to cast an object to return value of a method?
I tried this way but it gave a compile time exception in "instanceof" part:
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Get Android .apk file VersionName or VersionCode WITHOUT installing apk
How can I get programmatically get the version code or version name of my apk from the AndroidManifest.xml file after downloading it and without installing it.
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surface plots in matplotlib
I have a list of 3-tuples representing a set of points in 3D space. I want to plot a surface that covers all these points.
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Using generic std::function objects with member functions in one class
...ion pointers to member functions of the same class in one map storing std::function objects. But I fail right at the beginning with this code:
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