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Revert a range of commits in git
...C
git revert -n B D
git commit -m "Revert commits B and D"
Reference: https://www.kernel.org/pub/software/scm/git/docs/git-revert.html
Thanks Honza Haering for the correction
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Oracle PL/SQL - How to create a simple array variable?
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Sample programs as follows and provided on link also https://oracle-concepts-learning.blogspot.com/
plsql table or associated array.
DECLARE
TYPE salary IS TABLE OF NUMBER INDEX BY VARCHAR2(20);
salary_list salary;
name VARCHAR2(...
Wrapping null-returning method in Java with Option in Scala?
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Join a list of strings in python and wrap each string in quotation marks
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Maintaining the final state at end of a CSS3 animation
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How to get the current working directory in Java?
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See: http://docs.oracle.com/javase/tutorial/essential/io/pathOps.html
Using java.nio.file.Path and java.nio.file.Paths, you can do the following to show what Java thinks is your current path. This for 7 and on, and uses NIO.
Pat...
Downcasting shared_ptr to shared_ptr?
... std::dynamic_pointer_cast<Derived> (base);
Documentation: https://en.cppreference.com/w/cpp/memory/shared_ptr/pointer_cast
Also, I don't recommend using cast operator in the base class. Implicit casting like this may become the source of bugs and errors.
-Update: If the type is no...
Git pull after forced update
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Predicate in Java
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How to use Active Support core extensions
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In my case the following link worked:
https://bundler.io/blog/2019/01/04/an-update-on-the-bundler-2-release.html
$ cat Gemfile.lock | grep -A 1 "BUNDLED WITH"
BUNDLED WITH
1.17.3
$ gem install bundler -v '1.17.3'
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