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What's the difference between `1L` and `1`?

... (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code? ...
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How to use JUnit and Hamcrest together?

I can't understand how JUnit 4.8 should work with Hamcrest matchers. There are some matchers defined inside junit-4.8.jar in org.hamcrest.CoreMatchers . At the same time there are some other matchers in hamcrest-all-1.1.jar in org.hamcrest.Matchers . So, where to go? Shall I explicitly inclu...
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Converting datetime.date to UTC timestamp in Python

I am dealing with dates in Python and I need to convert them to UTC timestamps to be used inside Javascript. The following code does not work: ...
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What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)

Let's make a list of answers where you post your excellent and favorite extension methods . 150 Answers ...
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Generate sql insert script from excel worksheet

...e: SET NOCOUNT ON To forego showing all the '1 row affected' comments. And if you are doing a lot of rows and it errors out, put a GO between statements every once in a while share | improve thi...
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What is the difference between Numpy's array() and asarray() functions?

What is the difference between Numpy's array() and asarray() functions? When should you use one rather than the other? They seem to generate identical output for all the inputs I can think of. ...
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Designing function f(f(n)) == -n

... Hmm, saving state with even and odd numbers, I should've thought of that. – Unknown Apr 8 '09 at 22:25 38 ...
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Access-Control-Allow-Origin wildcard subdomains, ports and protocols

I'm trying to enable CORS for all subdomains, ports and protocol. 11 Answers 11 ...
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What optimizations can GHC be expected to perform reliably?

...ut I don't know what they all are, nor how likely they are to be performed and under what circumstances. 3 Answers ...
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Recursion in Angular directives

...nk] A post-link function, or an object with function(s) registered via pre and post properties. * @returns An object containing the linking functions. */ compile: function(element, link){ // Normalize the link parameter if(angular.isFunction(link)){ ...