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Append an object to a list in R in amortized constant time, O(1)?

...irthday. Some kind readers keep repeating any shortcomings with it, so by all means also see some of the comments below. One suggestion for list types: newlist <- list(oldlist, list(someobj)) In general, R types can make it hard to have one and just one idiom for all types and uses. ...
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How can I turn a List of Lists into a List in Java 8?

...ct>> , how can I turn that into a List<Object> that contains all the objects in the same iteration order by using the features of Java 8? ...
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How do you test private methods with NUnit?

... Generally, unit testing addresses a class's public interface, on the theory that the implementation is immaterial, so long as the results are correct from the client's point of view. So, NUnit does not provide any mechanism for t...
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Access parent DataContext from DataTemplate

... this exact code in my project but it's leaking ViewModels (Finalizer not called, Command binding seems to retain DataContext). Can you verify that this issue exists for you as well? – Joris Weimar Jan 22 '13 at 11:05 ...
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward

It is said to be a good habit to close all JDBC resources after usage. But if I have the following code, is it necessary to close the Resultset and the Statement? ...
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continue processing php after sending http response

My script is called by server. From server I'll receive ID_OF_MESSAGE and TEXT_OF_MESSAGE . 12 Answers ...
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How do I determine the target architecture of static library (.a) on Mac OS X?

...cutable ppc Example with archive: logan:/Users/logan% file /usr/lib/libMallocDebug.a /usr/lib/libMallocDebug.a: Mach-O universal binary with 2 architectures /usr/lib/libMallocDebug.a (for architecture i386): current ar archive random library /usr/lib/libMallocDebug.a (for architecture ppc): ...
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Variable number of arguments in C++?

...u can probably do what you want to do in a safer and simpler way. Technically to use variable number of arguments in C you include stdarg.h. From that you'll get the va_list type as well as three functions that operate on it called va_start(), va_arg() and va_end(). #include<stdarg.h> int...
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Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS

I want to redirect all the HTTP request to https request on ELB . I have two EC2 instances. I am using nginx for the server. I have tried a rewriting the nginx conf files without any success. I would love some advice on it. ...
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What is the most compatible way to install python modules on a Mac?

...s well as Linux. I'm finding that on Linux (Ubuntu 9.04 mostly) when I install a python module using apt-get it works fine. I can import it with no trouble. ...