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How to remove line breaks (no characters!) from the string?
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You should be able to replace it with a preg that removes all newlines and carriage returns. The code is:
preg_replace( "/\r|\n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The pr...
How to measure code coverage in Golang?
... test is that it can now compute and, with help from a new, separately installed "go tool cover" program, display test coverage results.
The cover tool is part of the go.tools subrepository. It can be installed by running
$ go get golang.org/x/tools/cmd/cover
The cover tool does two thin...
How to force link from iframe to be opened in the parent window
...of the page in the iframe:
<base target="_parent">
This will load all links on the page in the parent window. If you want your links to load in a new window, use:
<base target="_blank">
This tag is fully supported in all browsers.
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Undo git update-index --skip-worktree
... are marked with S.
Edit: As @amacleod mentioned, making an alias to list all the hidden files is a nice trick to have so that you don't need to remember it. I use alias hidden="git ls-files -v | grep '^S'" in my .bash_profile. It works great!
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Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
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Such a nice answer for aggregating kill statements all together. I would use a cursor to kill each process, which of course is not efficient at all. The technique used in this answer is brilliant.
– Saeed Neamati
Mar 2 '14 at 6:27
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How do I purge a linux mail box with huge number of emails? [closed]
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You can simply delete the /var/mail/username file to delete all emails for a specific user. Also, emails that are outgoing but have not yet been sent will be stored in /var/spool/mqueue.
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Getting root permissions on a file inside of vi? [closed]
...e command causes Vim to prompt for password but not accept input. It eventually times out on two attempts and says: sudo: 1 incorrect password attempt
– cmcginty
Feb 24 '09 at 3:14
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Android Studio: how to remove/update the “Created by” comment added to all new classes?
By default Android Studio automatically adds a header comment to all new classes, e.g.
9 Answers
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How to remove all the occurrences of a char in c++ string
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Basically, replace replaces a character with another and '' is not a character. What you're looking for is erase.
See this question which answers the same problem. In your case:
#include <algorithm>
str.erase(std::remove(s...
sed one-liner to convert all uppercase to lowercase?
I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.'
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