大约有 47,000 项符合查询结果（耗时：0.0665秒） [XML]
Linux bash: Multiple variable assignment
...cho is pointless, but I was using this technique to return multiple values from a script that I did care about the return status. I thought I would share my findings.
– Lee Netherton
Oct 22 '15 at 11:26
...
What does “Splats” mean in the CoffeeScript tutorial?
...
The term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"—see the Jargon File entry) is used to indicate that an entry in an argument list should "soak up" a list of arguments.
CoffeeScript adopted Ruby-style splats v...
Why can't I use a list as a dict key in python?
...pected behavior. Lists are generally treated as if their value was derived from their content's values, for instance when checking (in-)equality. Many would - understandably - expect that you can use any list [1, 2] to get the same key, where you'd have to keep around exactly the same list object. B...
Preventing Laravel adding multiple records to a pivot table
...a doublet.
You should also take a look at the more straightforward answer from Barryvdh just below.
share
|
improve this answer
|
follow
|
...
Why does Math.floor return a double?
..., but that would result in a performance impact (no conversion instruction from long to double in any instruction set that I'm aware of). I wonder what Math.floor does with doubles > 2^53 at the first place. Some results aren't representable.
– Nils Pipenbrinck
...
Font scaling based on width of container
...ve been had the "width" of the original 50% container been reduced by half from viewport sizing, but has now been reduced due to a change in its own percentage calculation.
A Challenge
With the CSS3 calc() function in use, it would become difficult to adjust dynamically, as that function does not wo...
Mean per group in a data.frame [duplicate]
... split(matrix$value, matrix$hour) that correspond to those that return NaN from your aggregate (i.e. split(matrix$value, matrix$hour)[is.nan(aggregate(as.numeric(matrix$value), list(matrix$hour), mean)[, 2])])
– jbaums
May 11 '15 at 23:25
...
Non-CRUD operations in a RESTful service
...ually, REST is not about exposing your database tables as CRUD operations. From logical point of view you are creating an order (purchase), but the server side is free to do as many processing steps as it wants.
You can even abuse HTTP protocol even further. Use Location header to return a link to ...
Is there a PHP function that can escape regex patterns before they are applied?
...he importance of the $delimiter argument, the description of that argument from the docs, a clarification for the confused about exactly what it means, and a heavily commented example showing preg_quote being used in the simplest case I could come up with where it's actually being used to programati...
What is the ellipsis (…) for in this method signature?
...
The three dot (...) notation is actually borrowed from mathematics, and it means "...and so on".
As for its use in Java, it stands for varargs, meaning that any number of arguments can be added to the method call. The only limitations are that the varargs must be at the end...