大约有 47,000 项符合查询结果（耗时：0.0901秒） [XML]
How to quit scala 2.11.0 REPL?
...
I ran into the same issue on upgrade, just use colon q.
:q
Additionally, exit was deprecated in 2.10.x with sys.exit suggested instead, so this works as well:
sys.exit
As a side note, I think they did this so you can distinguish between exiting the scala console in sbt and exiting sbt its...
Why is this F# code so slow?
...es generic comparison (I thought this uses just IComparable, but it is actually more complicated - it would use structural comparison for F# types and it's fairly complex logic).
> let min3(a, b, c) = min a (min b c);;
val min3 : 'a * 'a * 'a -> 'a when 'a : comparison
In the C# version, ...
Can Eclipse refresh resources automatically?
...This issue will be fixed in Eclipse 3.7 (Indigo). While "Refresh Automatically" does eventually bring resources back into sync, the refresh hook only exists for Windows, so on Linux and Mac OS it has to poll the filesystem periodically.
From 3.7 there's a new preference Settings > General > ...
Split string to equal length substrings in Java
...tch.
Both lookbehind and \G are advanced regex features, not supported by all flavors. Furthermore, \G is not implemented consistently across the flavors that do support it. This trick will work (for example) in Java, Perl, .NET and JGSoft, but not in PHP (PCRE), Ruby 1.9+ or TextMate (both Onigu...
SQL Group By with an Order By
...
In all versions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias:
SELECT COUNT(id) AS theCount, `Tag` from `images-tags`
GROUP BY `Tag`
ORDER BY theCount DESC
LIMIT 20
...
How to pass a single object[] to a params object[]
...{ (object)"1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
share
|
improve this answer
|
follow
...
How do you tell Resharper that a method parameter is a string containing a CSS class?
...ate a new type like CssClass.
You just need to add as a prebuilt event a call to a generator which parses every css in the project and dynamically create a class like that:
public class CssClass
{
public string Name { get; private set; }
public static CssClass In = new CssClass("in");
...
Best way to center a on a page vertically and horizontally? [duplicate]
Best way to center a <div> element on a page both vertically and horizontally?
30 Answers
...
Why does the Scala compiler disallow overloaded methods with default arguments?
... such method overloadings could become ambiguous, why does the compiler disallow code which is neither ambiguous at compile time nor at run time?
...
How to make HTML table cell editable?
...
Although it is finally codified in the standard with HTML5, it was already well supported in most older browsers (with exception of only partial support in FF3): caniuse.com/contenteditable (though not in mobile devices)
–...