大约有 37,000 项符合查询结果（耗时：0.0696秒） [XML]
How do I make a batch file terminate upon encountering an error?
...
309
Check the errorlevel in an if statement, and then exit /b (exit the batch file only, not the en...
What is PostgreSQL explain telling me exactly?
...
50
Explaining_EXPLAIN.pdf could help too.
...
What is the difference between `new Object()` and object literal notation?
...|
edited Feb 3 '16 at 11:10
T.J. Crowder
825k153153 gold badges15111511 silver badges15531553 bronze badges
...
Truncate a string straight JavaScript
... = 3;
var myString = "ABCDEFG";
var myTruncatedString = myString.substring(0,length);
// The value of myTruncatedString is "ABC"
So in your case:
var length = 3; // set to the number of characters you want to keep
var pathname = document.referrer;
var trimmedPathname = pathname.substring(0, Math...
What’s the difference between ScalaTest and Scala Specs unit test frameworks?
... you can watch the "Get Higher with ScalaTest" presentation I gave at the 2009 Devoxx conference here:
http://parleys.com/play/514892260364bc17fc56bde3/chapter0/about
share
|
improve this answer
...
Fastest method of screen capturing on Windows
... get the render target surface.
HRESULT hr = Device->GetRenderTarget(0, &pRenderTarget);
// get the current adapter display mode.
//hr = pDirect3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT,&d3ddisplaymode);
// create a destination surface.
hr = Device->CreateOffscree...
Non-CRUD operations in a RESTful service
...
|
edited Sep 10 '15 at 18:11
whoan
7,07344 gold badges3333 silver badges4545 bronze badges
a...
What are the differences between .gitignore and .gitkeep?
...
answered Aug 29 '11 at 12:20
WoobleWooble
76.5k1212 gold badges9494 silver badges123123 bronze badges
...
What are the big improvements between guava and apache equivalent libraries?
..."modern"
Apache Commons is a really mature library, but it's also almost 10 years old, and targets Java 1.4. Guava was open sourced in 2007, targets Java 5, and thus Guava greatly benefits from the Java 5 features: generics, varargs, enums, and autoboxing.
According to the Guava developers, generi...
How can I use map and receive an index as well in Scala?
...")
scala> ls.zipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+"...