大约有 41,000 项符合查询结果(耗时:0.0354秒) [XML]
Entity Framework and SQL Server View
...
We had the same problem and this is the solution:
To force entity framework to use a column as a primary key, use ISNULL.
To force entity framework not to use a column as a primary key, use NULLIF.
An easy way to apply this is to wrap the select ...
CSS scrollbar style cross browser [duplicate]
...CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox.
...
How can I prevent SQL injection in PHP?
...
Use prepared statements and parameterized queries. These are SQL statements that are sent to and parsed by the database server separately from any parameters. This way it is impossible for an attacker to inject malicious SQL.
You basically have two...
What is the difference between up-casting and down-casting with respect to class variable
What is the difference between up-casting and down-casting with respect to class variable?
10 Answers
...
Visual Studio 2010 - recommended extensions [closed]
...ded extensions for Visual Studio 2010?
(Please indicate if its free or not And also its purpose / function too)
39 Answers
...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
I first noticed in 2009 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
...
How to open a specific port such as 9090 in Google Compute Engine
I have 2 Google Compute Engine instances and I want to open port 9090 in both the instances. I think we need to add some firewall rules.
...
How do I use raw_input in Python 3
I am using Python 3.1 and can't get the raw_input to "freeze" the dos pop-up. The book I'm reading is for Python 2.5 and I'm using Python 3.1
...
Difference between JSP EL, JSF EL and Unified EL [closed]
...difference between the Expression Languages (EL).
There is JSP EL, JSF EL and Unified EL.
2 Answers
...
Find() vs. Where().FirstOrDefault()
I often see people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference.
...
