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Why is rbindlist “better” than rbind?
...w where rbindlist shines are
Fast vectorized merge of list of data.frames by row
Trouble converting long list of data.frames (~1 million) to single data.frame using do.call and ldply
These have benchmarks that show how fast it can be.
rbind.data.frame is slow, for a reason
rbind.data.frame do...
Mercurial (hg) commit only certain files
...run with hg commit --config ui.interface=curses --interactive or generally by adding the the following to your .hgrc:
[ui]
interface = curses
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Modify/view static variables while debugging in Eclipse
... imageUploader: {
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typedef fixed length array
...that it's an array type. If used as a function argument, it will be passed by reference, not by value, and the sizeof for it will then be wrong.
A better solution would be
typedef struct type24 { char x[3]; } type24;
You probably also want to be using unsigned char instead of char, since the lat...
Best way to test if a generic type is a string? (C#)
...should update your answer to return '(T)(object)String.Empty' as suggested by CodeInChaos because the method return type is generic, you can not just return string.
– VoodooChild
Jan 23 '12 at 17:04
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What's so bad about in-line CSS?
...ge, I'm often tempted to throw the CSS in-line with a DOM element, such as by setting "float: right" on an image. I get the feeling that this is "bad coding", since it's so rarely done in examples.
...
Why “decimal” is not a valid attribute parameter type?
... of
primitives (may have missed a minor
one).
Taken from this answer by JaredPar.
Decimals while a basic type are not a
primitive type and hence cannot be
represented in metadata which prevents
it from being an attribute parameter.
...
How to change font size on part of the page in LaTeX?
...x ? />
\end{verbatim}
\normalsize
\Large can be obviously substituted by one of:
\tiny
\scriptsize
\footnotesize
\small
\normalsize
\large
\Large
\LARGE
\huge
\Huge
If you need arbitrary font sizes:
How can I get an arbitrary font size in LaTeX?
...
How to add new item to hash
I'm new to Ruby and don't know how to add new item to already existing hash. For example, first I construct hash:
7 Answers...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
... file name) or 'last' (extension begins after the last period), and is set by default to 'first'.
flatten Remove all path parts from generated dest paths.
rename This function is called for each matched src file, (after extension renaming and flattening). The dest and matched src path are passed...