大约有 30,000 项符合查询结果(耗时:0.0247秒) [XML]
Split code over multiple lines in an R script
...d put at the end of line to indicate to R that the code continues on the nem>x m>t line. Such as "\" in Python. However, your solution works well for the specific problem of string continuation.
– Curious2learn
Jun 13 '11 at 12:11
...
Get the current displaying UIViewController on the screen in AppDelegate.m
...eral because it depends strictly on how you built your UI and there is no em>x m>plicit controller hierarchy (like it happens for views). You may simply add a property to your root controller and set its value whenever you "push" a new controller on top.
– sergio
Ju...
std::unique_ptr with an incomplete type won't compile
...
Here are some em>x m>amples of std::unique_ptr with incomplete types. The problem lies in destruction.
If you use pimpl with unique_ptr, you need to declare a destructor:
class foo
{
class impl;
std::unique_ptr<impl> impl_;
pub...
How to set 'auto' for upper limit, but keep a fim>x m>ed lower limit with matplotlib.pyplot
I want to set the upper limit of the y-am>x m>is to 'auto', but I want to keep the lower limit of the y-am>x m>is to always be zero. I tried 'auto' and 'autorange', but those don't seem to work. Thank you in advance.
...
Choice between vector::resize() and vector::reserve()
...ay of 1000 default items, use resize(). If you want an array to which you em>x m>pect to insert 1000 items and want to avoid a couple of allocations, use reserve().
EDIT: Blastfurnace's comment made me read the question again and realize, that in your case the correct answer is don't preallocate manuall...
Is there a printf converter to print in binary format?
I can print with printf as a hem>x m> or octal number. Is there a format tag to print as binary, or arbitrary base?
52 Answer...
Adding two Java 8 streams, or an em>x m>tra element to a stream
I can add streams or em>x m>tra elements, like this:
8 Answers
8
...
Javascript : Send JSON Object with Ajam>x m>?
...tring:JSON.stringify({name:"John", time:"2pm"}) });
Without jQuery:
var m>x m>mlhttp = new m>X m>MLHttpRequest(); // new HttpRequest instance
m>x m>mlhttp.open("POST", "/json-handler");
m>x m>mlhttp.setRequestHeader("Content-Type", "application/json");
m>x m>mlhttp.send(JSON.stringify({name:"John Rambo", time:"2pm"}))...
Check if a Postgres JSON array contains a string
...rom rabbits where (info->'food')::jsonb ? 'carrots';
You can even indem>x m> the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alter info type jsonb using info::jsonb;
create indem>x m> on rabbits using gin ((info->'food'));
select info->>'name' from rab...
object==null or null==object?
... left side of == isn't really useful in Java since Java requires that the em>x m>pression in an if evaluate to a boolean value, so unless the constant is a boolean, you'd get a compilation error either way you put the arguments. (and if it is a boolean, you shouldn't be using == anyway...)
...
