大约有 35,000 项符合查询结果（耗时：0.0392秒） [XML]
Convert string[] to int[] in one line of code using LINQ
...method:
int[] myInts = Array.ConvertAll(arr, s => int.Parse(s));
Thanks to Marc Gravell for pointing out that the lambda can be omitted, yielding a shorter version shown below:
int[] myInts = Array.ConvertAll(arr, int.Parse);
A LINQ solution is similar, except you would need the extra ToArr...
Get the first key name of a javascript object [duplicate]
...
In Javascript you can do the following:
Object.keys(ahash)[0];
share
|
improve this answer
|
follow
|
...
What is the difference between “word-break: break-all” versus “word-wrap: break-word” in CSS
... what is the difference between the two. When I used both they seem to break the word if it is not fitting the container. But why did W3C made two ways to do it?
...
Which is faster : if (bool) or if(int)?
...
Makes sense to me. Your compiler apparently defines a bool as an 8-bit value, and your system ABI requires it to "promote" small (< 32-bit) integer arguments to 32-bit when pushing them onto the call stack. So to compare a b...
How do I add a bullet symbol in TextView?
...swered Aug 7 '10 at 7:56
Benny SkogbergBenny Skogberg
9,2011111 gold badges4646 silver badges8080 bronze badges
...
error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
...
Thats a linker problem.
Try to change Properties -> Linker -> System -> SubSystem (in Visual Studio).
from Windows (/SUBSYSTEM:WINDOWS) to Console (/SUBSYSTEM:CONSOLE)
This one helped me
...
What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
...
Why start an ArrayList with an initial capacity?
...
If you know in advance what the size of the ArrayList is going to be, it is more efficient to specify the initial capacity. If you don't do this, the internal array will have to be repeatedly reallocated as the list grows.
The larg...
How to remove an element from a list by index
...answered Mar 9 '09 at 18:21
unbeknownunbeknown
54
...
Hide options in a select list using jQuery
I have an object with key/value pairs of options I want to hide/remove from a select list.
Neither of the following option selectors work. What am I missing?
...