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How to declare Return Types for Functions in TypeScript
...ll cause an error as the compiler, given the information, has no way to decide the type, and this will be a place where you have to have an explicit return type.
function foo(){
if (true)
return "string";
else
return 0;
}
This, however, will work:
function foo() : any{
...
How to check if object (variable) is defined in R?
...
@tim if you are inside a function, missing() is what you want.
– CousinCocaine
Jan 27 '14 at 14:31
2
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How to delete the last n commits on Github and locally?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Suppress echo of command invocation in makefile?
...n the program and write the output to a file, which has a SHA1 fingerprint identical to the one given in the spec.
4 Answe...
Avoid Android Lint complains about not-translated string
...an unlocalized-strings.xml file within values directory.. Running Android Lint to check for problems it keeps saying that some translations are missing.. I do not want to disable this check on the whole project, I'd like to disable it only in some XML files.. is it possible?
...
Best way to work with transactions in MS SQL Server Management Studio
...raint violation error.
DELETE FROM Production.Product
WHERE ProductID = 980;
END TRY
BEGIN CATCH
SELECT
ERROR_NUMBER() AS ErrorNumber
,ERROR_SEVERITY() AS ErrorSeverity
,ERROR_STATE() AS ErrorState
,ERROR_PROCEDURE() AS ErrorProcedure
,ERROR_LINE(...
Comparing Timer with DispatcherTimer
...al, WPF == DispatcherTimer and Windows Forms == Forms.Timer.
That being said, there is also System.Threading.Timer, which is a timer class that fires on a separate thread. This is good for purely numerical timing, where you're not trying to update the UI, etc.
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in entity framework code first, how to use KeyAttribute on multiple columns
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InvalidOperationException: Entity type 'XXX' has composite primary key defined with data annotations. To set composite primary key, use fluent API.
– Luca Ziegler
Nov 17 '19 at 18:07
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What is the difference between `after_create` and `after_save` and when to use which?
...aborate? Note that after_commit runs on create, updat and destroy. Docs: apidock.com/rails/ActiveRecord/Transactions/ClassMethods/… So it is not the same behavior as after_save You really want to call that cron_job after after destroying the record? Or in the ops case, send an email to a now delet...
Python Mocking a function from an imported module
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Where did test_patch come from, what is it exactly?
– Mike G
Nov 16 '13 at 6:12
2
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