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Deleting all records in a database table
How do I delete all records in one of my database tables in a Ruby on Rails app?
7 Answers
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Why does Enumerable.All return true for an empty sequence? [duplicate]
The code creates an empty collection of string, then tries to determine if all the elements in the collection are "ABC".
If you run it, b will be true.
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How do I turn off PHP Notices?
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@user try a phpinfo() to see whether the setting actually applies. Forgive me, but I strongly doubt that you have found a bug in PHP 5.3 - I will only believe it when I see it :)
– Pekka
May 20 '10 at 11:36
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How can I stage and commit all files, including newly added files, using a single command?
How can I stage and commit all files, including newly added files, using a single command?
12 Answers
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Set up git to pull and push all branches
I'd like to push and pull all the branches by default, including the newly created ones.
8 Answers
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Remove all breakpoints in IntelliJ IDEA
Is there a possibility to remove all breakpoints in the module (might be using a shortcut) in IntelliJ IDEA IDE? Thanks.
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How to list containers in Docker
...o show only running containers use the given command:
docker ps
To show all containers use the given command:
docker ps -a
To show the latest created container (includes all states) use the given command:
docker ps -l
To show n last created containers (includes all states) use the given com...
How can I list all commits that changed a specific file?
Is there a way to list all commits that changed a specific file?
16 Answers
16
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How to remove all whitespace from a string?
...\r\v\fy \t\n\r\v\f"
## [4] NA
The base R approach: gsub
gsub replaces all instances of a string (fixed = TRUE) or regular expression (fixed = FALSE, the default) with another string. To remove all spaces, use:
gsub(" ", "", x, fixed = TRUE)
## [1] "xy" "←→" ...
How to Set AllowOverride all
I want to set the AllowOverride all But I don't know how to do it. I have found the following code by searching the google and pasted it in .htaccess :
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