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Return empty cell from formula in Excel
...getting a trueblank as a formula result revealed by The FrankensTeam here:
https://sites.google.com/site/e90e50/excel-formula-to-change-the-value-of-another-cell
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Socket.IO Authentication
...e the code, so I moved it here.
1: How to set up your Passport strategies: https://scotch.io/tutorials/easy-node-authentication-setup-and-local#handling-signupregistration
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How to combine two or more querysets in a Django view?
...th the the Q function you should be able to perform any OR query you need: https://docs.djangoproject.com/en/1.3/topics/db/queries/#complex-lookups-with-q-objects
– Josh Russo
Sep 18 '11 at 22:41
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Sort array of objects by single key with date value
...returns a new array
refer http://underscorejs.org/#sortBy and
lodash docs https://lodash.com/docs#sortBy
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Can't specify the 'async' modifier on the 'Main' method of a console app
...oint method will be translated to call GetAwaitor().GetResult().
Details: https://blogs.msdn.microsoft.com/mazhou/2017/05/30/c-7-series-part-2-async-main
EDIT:
To enable C# 7.1 language features, you need to right-click on the project and click "Properties" then go to the "Build" tab. There, clic...
Django rest framework, use different serializers in the same ModelViewSet
...turn NewRackItemSerializer
return RackItemSerializer
Credits/source: https://github.com/encode/django-rest-framework/issues/1563#issuecomment-42357718
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Convert LocalDate to LocalDateTime or java.sql.Timestamp
...mp ts = Timestamp.valueOf(ldt);
For use with JPA put in with your model (https://weblogs.java.net/blog/montanajava/archive/2014/06/17/using-java-8-datetime-classes-jpa):
@Converter(autoApply = true)
public class LocalDateTimeConverter implements AttributeConverter<LocalDateTime, Timestamp> ...
How to tell if a string is not defined in a Bash shell script
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https://stackoverflow.com/a/9824943/14731 contains a better answer (one that is more readable and works with set -o nounset enabled). It works roughly like this:
if [ -n "${VAR-}" ]; then
echo "VAR is set and is not empt...
Using Caps Lock as Esc in Mac OS X
...ke to remap, and select Escape.
Click OK and close System Preferences.
https://9to5mac.com/2016/10/25/remap-escape-key-action-macbook-pro-macos-sierra-10-12-1-modifier-keys/
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What is the difference between “def” and “val” to define a function
... invoked.
The conversion of methods to functions is well explained here: https://tpolecat.github.io/2014/06/09/methods-functions.html
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