大约有 920 项符合查询结果(耗时:0.0092秒) [XML]
Random row from Linq to Sql
...
You can do this at the database, by using a fake UDF; in a partial class, add a method to the data context:
partial class MyDataContext {
[Function(Name="NEWID", IsComposable=true)]
public Guid Random()
{ // to prove not used by our C# code...
throw new NotImpl...
MySQL Fire Trigger for both Insert and Update
...ers, but you can move the common code into a procedure and have them both call the procedure.
share
|
improve this answer
|
follow
|
...
How do I forward parameters to other command in bash script?
...
Use the shift built-in command to "eat" the arguments. Then call the child process and pass it the "$@" argument to include all remaining arguments. Notice the quotes, they should be kept, since they cause the expansion of the argument list to be properly quoted.
...
The constant cannot be marked static
...
const implies static (you don't need an instance to reference the const value).
I want to also add this important point: When you link against (reference) an assembly with a public const, that value is copied into your assembly. So if the const value in the referenced assembly changes, your asse...
How to convert TimeStamp to Date in Java?
...
Just make a new Date object with the stamp's getTime() value as a parameter.
Here's an example (I use an example timestamp of the current time):
Timestamp stamp = new Timestamp(System.currentTimeMillis());
Date date = new Date(stamp.getTime());
System.out.println(date);
...
.war vs .ear file
...lication, modules are packaged as EAR, JAR, and WAR based on their functionality
JAR:
EJB modules which contain enterprise java beans (class files) and EJB deployment descriptor are packed as JAR files with .jar extension
WAR:
Web modules which contain Servlet class files, JSP Fil...
adb not finding my device / phone (MacOS X)
...
Additonal Update : Do not underestimate the value of a good USB cable. Sometimes just swapping cables will help.
Update for newer versions of adb, ~/.android/adb_usb.ini has to be removed.
Executive summary: Add the Vendor ID to ~...
What is this weird colon-member (“ : ”) syntax in the constructor?
...
It's a member initialization list. You should find information about it in any good C++ book.
You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the...
Android: Why does long click also trigger a normal click?
... indicate that you have handled the event and it should stop here; return false if you have not handled it and/or the event should continue to any other on-click listeners.
Are you returning true from your onLongClick() and still getting the normal click event?
Edited to add: For a ListView, you ...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
When you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
...
