大约有 47,000 项符合查询结果（耗时：0.0648秒） [XML]
Overload constructor for Scala's Case Classes?
...
190
Overloading constructors isn't special for case classes:
case class Foo(bar: Int, baz: Int) {
...
String replacement in Objective-C
...
|
edited Mar 20 '09 at 22:45
answered Mar 20 '09 at 22:39
...
RestSharp JSON Parameter Posting
...
answered Jun 10 '11 at 23:31
John SheehanJohn Sheehan
72.7k2727 gold badges153153 silver badges189189 bronze badges
...
Using helpers in model: how do I include helper dependencies?
...om a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback.
...
Byte[] to InputStream or OutputStream
...
200
You create and use byte array I/O streams as follows:
byte[] source = ...;
ByteArrayInputStrea...
T-SQL stored procedure that accepts multiple Id values
...as their own unique pros and cons.
Table-Valued Parameters. SQL Server 2008 and higher only, and probably the closest to a universal "best" approach.
The Iterative Method. Pass a delimited string and loop through it.
Using the CLR. SQL Server 2005 and higher from .NET languages only.
XML. Very...
Reference alias (calculated in SELECT) in WHERE clause
... - CreditTotal) AS BalanceDue
FROM Invoices
) AS x
WHERE BalanceDue > 0;
Or just repeat the expression:
SELECT (InvoiceTotal - PaymentTotal - CreditTotal) AS BalanceDue
FROM Invoices
WHERE (InvoiceTotal - PaymentTotal - CreditTotal) > 0;
I prefer the latter. If the expression is extre...
Escaping a forward slash in a regular expression
...|
edited Jul 24 '15 at 4:20
nhahtdh
51.7k1313 gold badges110110 silver badges146146 bronze badges
answer...
What are all the user accounts for IIS/ASP.NET and how do they differ?
Under Windows Server 2008 with ASP.NET 4.0 installed there is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list:
...
How should one use std::optional?
... |
edited May 11 '15 at 8:00
thecoshman
7,57655 gold badges5050 silver badges7777 bronze badges
answered...