大约有 16,000 项符合查询结果(耗时:0.0245秒) [XML]
If my interface must return Task what is the best way to have a no-operation implementation?
In the code below, due to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method...
How to do joins in LINQ on multiple fields in single join
...would perform a filter on a larger dataset that could have been reduced by introducing the second join parameter. I do like the idea of ordering to test if I can get efficiency gains
– johnc
Dec 17 '08 at 12:55
...
Why doesn't JUnit provide assertNotEquals methods?
...
I appreciate the pointer to the alternate assertion syntax, but pointing elsewhere doesn't answer why JUnit never provided assertNotEquals().
– seh
May 31 '10 at 14:30
...
C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...simply execute TimeSpan.FromSeconds(2.0) and stick the bytes of the result into your compiled code.
As an example, consider if you tried to use DateTime.Now instead. The value of DateTime.Now changes every time it's executed. Or suppose that TimeSpan.FromSeconds took into account gravity. It's an a...
How do you use script variables in psql?
...iable as such ...
\set myvariable 'value'
However, if, like me, you ran into a situation in which you wanted to make a string from an existing variable, I found the trick to be this ...
\set quoted_myvariable '\'' :myvariable '\''
Now you have both a quoted and unquoted variable of the same st...
How do you debug MySQL stored procedures?
...e as it runs. This allows me to see the value of any variable at a given point in the script, but is there a better way to debug MySQL stored procedures?
...
How to run Unix shell script from Java code?
...t org.apache.commons.exec.ExecuteException;
public class TestScript {
int iExitValue;
String sCommandString;
public void runScript(String command){
sCommandString = command;
CommandLine oCmdLine = CommandLine.parse(sCommandString);
DefaultExecutor oDefaultExecut...
Separation of business logic and data access in django
...go. The closest proxy is a "view", which tends to cause confusion with MVC converts because in MVC a view is more like Django's "template".
In Django, a "model" is not merely a database abstraction. In some respects, it shares duty with the Django's "view" as the controller of MVC. It holds the ent...
How do I calculate the date six months from the current date using the datetime Python module?
...ackaged with datetime by default. I actually assumed I could pass "months" into timedelta.
– dTanMan
Nov 12 '19 at 3:14
|
show 3 more commen...
Hidden features of Eclipse [closed]
...2 J to split/join variable declaration, Ctrl-2 C to extract an inner class into top-level, Ctrl-2 T to add throws declaration to the function, etc. There are tons of assignable quick fixes, go pick your favourite ones and assign them to Ctrl-2 shortcuts.
Templates
Another favourite of mine in my ...