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Is having an 'OR' in an INNER JOIN condition a bad idea?
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Android buildscript repositories: jcenter VS mavencentral
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No matter what the default is in the build.gradle file - in a team based development effort you should really use a repository manager like Sonatype Nexus or JFrog Artifactory and not reference those upstream repositories directly.
This will allow you to save a lot of bandwidth, combine bot...
How do I use a file grep comparison inside a bash if/else statement?
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CocoaPods - use specific pod version
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WPF: How to display an image at its original size?
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Validate uniqueness of multiple columns
...tion and can’t ensure consistency. Consider the following example:
database table records are supposed to be unique by n fields;
multiple (two or more) concurrent requests, handled by separate processes each (application servers, background worker servers or whatever you are using), access datab...
Difference between database and schema
What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data.
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Removing a model in rails (reverse of “rails g model Title…”)
...roy model <model_name>
When you generate a model, it creates a database migration. If you run 'destroy' on that model, it will delete the migration file, but not the database table. So before run
bundle exec rake db:rollback
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How to check for Is not Null And Is not Empty string in SQL server?
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Delete last commit in bitbucket
...s after the one you deleted, those commits will be invalid since they were based on a now non-existent commit).
Said that, what you can do is revert the commit. This procedure is done differently (different commands) depending on the CVS you're using:
On git:
git revert <commit>
On mercur...