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I cannot do this in Java: Optional optStr = Optional.of(\foo\); String result; optStr.ifPresent(s -...

I\'ve asked the same question many times in carious websites. My website was supposed to say καλησπέ...

I\'ve got a Perl function which takes a timestamp and returns either the unchanged timestamp (if it\...

I\'m looking for a lightweight way to access the Kubernetes API from a Pod in a C# app. Kubernetes d...

I\'m now studying Emacs Lisp from the reference manual and Common Lisp from a LISP Book. from the C...

I am currently working on a program that uses a fairly complex structure of nested winform controls ...

I want to diff two JSON text files. Unfortunately they\'re constructed in arbitrary order, so I get...

I\'m doing some metaprogramming and I have ran into the following problem: I have a class that takes...

How can I highlight/cover a region or multiple regions with different colors (for example 3 US state...

I’d like to store root certificates with repositories which are used in post-commit and pre-receive ...

Thank you in advance for any help, I am a newbie and would appreciate any help here.. I have this co...

As I am new to flutter, I could not set the border in DataTable. Can anybody tell me how can I do th...

I would like to know how I can use local variables in CASE statements in SQL? This script gives me ...

When I delete a PumpLog I delete the related Invoice via on_delete = models.CASCADE. Invoices have a...

I\'m creating an POS application using Windows Form(C#) and this application needs to open cash dra...