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How and when to use ‘async’ and ‘await’
From my understanding one of the main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic?
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How can I do test setup using the testing package in Go
...outlined here in the Main section:
TestMain runs in the main goroutine and can do whatever setup and
teardown is necessary around a call to m.Run. It should then call
os.Exit with the result of m.Run
It took me some time to figure out that this means that if a test contains a function func...
Why is there no std::stou?
... pat answer would be that the C library has no corresponding “strtou”, and the C++11 string functions are all just thinly veiled wrappers around the C library functions: The std::sto* functions mirror strto*, and the std::to_string functions use sprintf.
Edit: As KennyTM points out, both stoi...
What is the purpose of AsQueryable()?
...ready capable of providing an enumeration capability), why would I need to convert to IQueryable using the extension method AsQueryable()? Maybe a small code example to illustrate where this would come in handy? I seem to be missing something in your explanation. Thanks for your time.
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How do I pass a class as a parameter in Java?
Is there any way to pass class as a parameter in Java and fire some methods from that class?
10 Answers
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How to construct a REST API that takes an array of id's for the resources
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@uclajatt, REST is an architectural model and not a protocol and if you study the major REST APIs available today, you will see that there are multiple ways of implementing it. The approach that I am suggesting is probably one of the closest to the concept since it a...
What generates the “text file busy” message in Unix?
... Use lsof to check what other processes are using it. You can use kill command to kill it if needed.
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Abstract class in Java
...e. This can be useful if you want people to only implement your interface and no others. However, as a general beginner rule of thumb, if your abstract class only has abstract methods, you should probably make it an interface.
The following is illegal:
interface InterfaceB
{
void interfaceMe...
Android: ScrollView force to bottom
... That doesn't seem to do anything, any suggestions? I tried it on onCreate and later in the onClick of a button.
– RichardJohnn
Aug 2 '10 at 18:50
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Delete duplicate records in SQL Server?
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You can do this with window functions. It will order the dupes by empId, and delete all but the first one.
delete x from (
select *, rn=row_number() over (partition by EmployeeName order by empId)
from Employee
) x
where rn > 1;
Run it as a select to see what would be deleted:
select *...