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Rails how to run rake task

... a single task, create the following new task in your namespace: task :runall => [:iqmedier, :euroads, :mikkelsen, :orville] do # This will run after all those tasks have run end share | impr...
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Deleting all pending tasks in celery / rabbitmq

How can I delete all pending tasks without knowing the task_id for each task? 9 Answers ...
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Remove all special characters from a string [duplicate]

...le to convert titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens. ...
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]

I have a table with a very large amount of rows. Duplicates are not allowed but due to a problem with how the rows were created I know there are some duplicates in this table. I need to eliminate the extra rows from the perspective of the key columns. Some other columns may have slightly different...
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Volatile vs Static in Java

Is it correct to say that static means one copy of the value for all objects and volatile means one copy of the value for all threads? ...
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Remove empty array elements

... of strings, you can simply use array_filter(), which conveniently handles all this for you: print_r(array_filter($linksArray)); Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that ...
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Listing all extras of an Intent

For debugging reasons I want to list all extras (and their values) of an Intent. Now, getting the keys isn't a problem 12 A...
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Why should I use an IDE? [closed]

...meone who uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one? ...
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How to remove trailing whitespace of all files recursively?

How can you remove all of the trailing whitespace of an entire project? Starting at a root directory, and removing the trailing whitespace from all files in all folders. ...
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How to find a deleted file in the project commit history?

... If you do not know the exact path you may use git log --all --full-history -- "**/thefile.*" If you know the path the file was at, you can do this: git log --all --full-history -- <path-to-file> This should show a list of commits in all branches which touched that file....