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Is 0 a decimal literal or an octal literal?

... Yes, 0 is an Octal literal in C++. As per the C++ Standard: 2.14.2 Integer literals [lex.icon] integer-literal: decimal-literal integer-suffixopt octal-literal integer-suffixopt hexadecimal-literal integer-suffixopt decimal-literal: nonzero-digit ...
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promise already under evaluation: recursive default argument reference or earlier problems?

...1, f..=f){ g.(1,T, f.=f..) }? In cases with more recursions, is it a good and safe practice adding more .? (2) if f is a non-function argument, for example g <- function(x, T, f=f){ exp(-fx/T) }* and test<- function(g.=g, T=1, f=f){ g.(1,T, f=f.) }, will using the same name for both formal a...
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Regular Expression for alphanumeric and underscores

...e to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores. ...
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How can I strip first and last double quotes?

... If the quotes you want to strip are always going to be "first and last" as you said, then you could simply use: string = string[1:-1] share | improve this answer | ...
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How do I capture response of form.submit

...n javascript. When you post a form, the form inputs are sent to the server and your page is refreshed - the data is handled on the server side. That is, the submit() function doesn't actually return anything, it just sends the form data to the server. If you really wanted to get the response in Jav...
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Getter and Setter declaration in .NET [duplicate]

...s wondering what were the differences between those declaration of getters and setters and if there is a preferred method (and why). The first one can be generated automaticly by Visual Studio. How about the others ? Thanks ...
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When to use SELECT … FOR UPDATE?

Please help me understand the use-case behind SELECT ... FOR UPDATE . 2 Answers 2 ...
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Is there a vim command to relocate a tab?

... 7.3 (2010 Aug 15, compiled Apr 2 2013 09:17:34) Included patches: 1-547 and +- not supported there, documentation said I should specify zero or positive value – Vladimir Sep 10 '13 at 13:41 ...
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Emacs bulk indent for Python

...by two levels of indention, or some arbitary amount you can prefix the command with an argument: C-u 8 C-c > shifts the region 8 spaces to the right C-u 8 C-c < shifts the region 8 spaces to the left Another alternative is to use M-x indent-rigidly which is bound to C-x TAB: C-u 8 ...
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Apply a function to every row of a matrix or a data frame

Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrix and get a n-vector. How to do this in R? ...