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typedef fixed length array
...t in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C file, it did complain. I would like to be able to define functions like type24_to_int32(type24 val) instead of type24_to_i...
What is the purpose of setting a key in data.table?
...data.table to be reordered just to add/update column(s). For example,
## compare
setkey(X, a, b) # why physically reorder X to just add/update a column?
X[Y, col := i.val]
## to
X[Y, col := i.val, on=c("a", "b")]
In the second case, we did not have to reorder. It's not computing the order that...
Significance of a .inl file in C++
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.inl files are never mandatory and have no special significance to the compiler. It's just a way of structuring your code that provides a hint to the humans that might read it.
I use .inl files in two cases:
For definitions of inline functions.
For definitions of function templates.
In bot...
Create a tar.xz in one command
I am trying to create a .tar.xz compressed archive in one command. What is the specific syntax for that?
5 Answers
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download and install visual studio 2008 [closed]
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Visual Studio 2008: (3,30 GB)
http://download.microsoft.com/download/8/1/d/81d3f35e-fa03-485b-953b-ff952e402520/VS2008ProEdition90dayTrialENUX1435622.iso
MSDN Library 2008: (2,15 GB)
http://www.microsoft.com/downloads/info.aspx?na=90&p=&SrcDisplayLang=en&SrcCategoryId...
Any difference between First Class Function and High Order Function
...ring to a function, such as “a first-class function”. It’s much more common to say that “a language has/hasn’t first-class function support”.
The two things are closely related, as it’s hard to imagine a language with first-class functions that would not also support higher-order func...
Equivalent of varchar(max) in MySQL?
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Android: How to put an Enum in a Bundle?
...es not scale to arrays of things that contain enum, etc. See stackoverflow.com/a/5551155/175156
– yincrash
Jun 18 '14 at 19:30
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How to open emacs inside bash
I'm using Ubuntu 11.10. When I type command "emacs" in terminal, it opens emacs as a seperate window. How can I open it inside the terminal, like nano editor?
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