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Why is it wrong to use std::auto_ptr with standard containers?
...of auto_ptr are not compatible with the containers.
Specifically, copying one auto_ptr to another does not create two equal objects since one has lost its ownership of the pointer.
More specifically, copying an auto_ptr causes one of the copies to let go of the pointer. Which of these remains in t...
Understanding implicit in Scala
...B): A will do as well.
So the difference between your methods is that the one marked implicit will be inserted for you by the compiler when a Double is found but an Int is required.
implicit def doubleToInt(d: Double) = d.toInt
val x: Int = 42.0
will work the same as
def doubleToInt(d: Double)...
pull out p-values and r-squared from a linear regression
...
> lmp(fit)
[1] 1.622665e-05
In the case of a simple regression with one predictor, the model p-value and the p-value for the coefficient will be the same.
Coefficient p-values: If you have more than one predictor, then the above will return the model p-value, and the p-value for coefficient...
Change size of axes title and labels in ggplot2
...simple question, which I am struggling to find the answer to. I hoped someone here might be able to help me.
4 Answers
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Access parent URL from iframe
... inside that iframe. you will never have access to the top frame with that one in the middle. nested cross domain iframes is wrong on so many levels. but you may be able to get around that if you set document.domain on the top frame and the inner-most one. maybe.
– gcb
...
nginx server_name wildcard or catch-all
...rstood the docs, but "There is nothing special about this name, it is just one of a myriad of invalid domain names which never intersect with any real name. Other invalid names like “--” and “!@#” may equally be used.". So _ is just an invalid name ?
– Florian Klein
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How do I return early from a rake task?
I have a rake task where I do some checks at the beginning, if one of the checks fails I would like to return early from the rake task, I don't want to execute any of the remaining code.
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What is the idiomatic Go equivalent of C's ternary operator?
... @tomwilde your solution looks pretty interesting, but it lacks one of the main features of ternary operator - conditional evaluation.
– Vladimir Matveev
Nov 14 '13 at 18:13
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CALL command vs. START with /WAIT option
...is start /wait /b cmd /c <batchfile.bat> because the batch files run one after the other in the same command window
– linux64kb
Jan 19 '19 at 15:44
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What is time_t ultimately a typedef to?
...
@Viet also possible with an one-liner without creating a file: stackoverflow.com/a/36096104/895245
– Ciro Santilli 郝海东冠状病六四事件法轮功
Mar 18 '16 at 23:48
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