大约有 40,000 项符合查询结果（耗时：0.0492秒） [XML]
When should I use cross apply over inner join?
...r
),
t AS
(
SELECT 1 AS id
UNION ALL
SELECT 2
)
SELECT *
FROM t
JOIN q
ON q.rn <= t.id
runs for almost 30 seconds, while this one:
WITH t AS
(
SELECT 1 AS id
UNION ALL
SELECT 2
...
Is [CallerMemberName] slow compared to alternatives when implementing INotifyPropertyChanged?
...ctly the same way :
So no use of Reflection here.
(sample compiled with VS2013)
share
|
improve this answer
|
follow
|
...
What Git branching models work for you?
...r from branches from which one shouldn't push. (no specific solution here, all this need to be adapted to your environment)
How to avoid creating merge conflicts (due to cherry-pick)?
As stated by Jakub Narębski in his answer, cherry-picking should be reserved for rare situations where it is requ...
Reformat XML in Visual Studio 2010
...
Not 100% sure about VS2010, but in VS2015 if you copy and paste a long string of XML into an .XML document, it will automatically reformat it.
("Format Document" is usually the way to go, just mentioning another option.)
...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
...g any other libraries you may need to tell the linker to ignore the dynamically linked CRT explicitly.
share
|
improve this answer
|
follow
|
...
Why '&&' and not '&'?
...luation of the rest (op.CanExecute()) is skipped.
Apart from this, technically, they are different, too:
&& and || can only be used on bool whereas & and | can be used on any integral type (bool, int, long, sbyte, ...), because they are bitwise operators. & is the bitwise AND operat...
Why should I avoid using Properties in C#?
...erties, and recommends not to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties?
In C# 3.0, with automatic properties, does this change?
...
Check if a string is null or empty in XSLT
...egoryName.equals(""))
For more details e.g., distinctly identifying null vs. empty, see johnvey's answer below and/or the XSLT 'fiddle' I've adapted from that answer, which includes the option in Michael Kay's comment as well as the sixth possible interpretation.
...
Use of var keyword in C#
...Order>, ObservableCollection<Order> or BindingList<Order> - all I want is to keep that list in memory to iterate over it or get its count or something later on.
Contrast the above declaration with:
ObservableCollection<Order> orders = cust.Orders;
To me, the type name is jus...
When do you use Git rebase instead of Git merge?
...
Short Version
Merge takes all the changes in one branch and merges them into another branch in one commit.
Rebase says I want the point at which I branched to move to a new starting point
So when do you use either one?
Merge
Let's say you have creat...