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What is the difference between JDK dynamic proxy and CGLib?
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tHANKS..!! but it would be helpful if you could give me one example code(or Link) to illustrate one's usage over another in some case..!!!
– KDjava
May 19 '12 at 10:27
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How to apply a function to two columns of Pandas dataframe
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There is a clean, one-line way of doing this in Pandas:
df['col_3'] = df.apply(lambda x: f(x.col_1, x.col_2), axis=1)
This allows f to be a user-defined function with multiple input values, and uses (safe) column names rather than (unsafe) ...
Rspec doesn't see my model Class. uninitialized constant error
...st run
rails generate rspec:install
and overwrite your spec_helper with one generated for use with rspec-rails.
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Haskell: How is pronounced? [closed]
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The Applicative type class sits somewhere between Functor and Monad, so one would expect it to have a similar mathematical basis. The documentation for the Control.Applicative module begins with:
This module describes a structure intermediate between a functor and a monad: it provides pure ex...
Should I use Java date and time classes or go with a 3rd party library like Joda Time?
... web based system which will be used in countries from all over the world. One type of data which must be stored is dates and times.
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Cleanest and most Pythonic way to get tomorrow's date?
...ythonic way to get tomorrow's date? There must be a better way than to add one to the day, handle days at the end of the month, etc.
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What does ON [PRIMARY] mean?
I'm creating an SQL setup script and I'm using someone else's script as an example. Here's an example of the script:
4 Ans...
How to scroll to the bottom of a UITableView on the iPhone before the view appears
...nswered Mar 14 '13 at 9:12
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What is the difference between linear regression and logistic regression?
...egression, the outcome (dependent variable) is continuous.
It can have any one of an infinite number of possible values.
In logistic regression, the outcome (dependent variable) has only a limited number of possible values.
The dependent variable
Logistic regression is used when the response var...
Finding the type of an object in C++
...c_cast<TYPE*> (object);
The dynamic_cast keyword casts a datum from one pointer or reference type to another, performing a runtime check to ensure the validity of the cast.
If you attempt to cast to pointer to a type that is not a type of actual object, the result of the cast will be NULL. If...