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Remove the last character from a string [duplicate]
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First, I try without a space, rtrim($arraynama, ","); and get an error result.
Then I add a space and get a good result:
$newarraynama = rtrim($arraynama, ", ");
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Cocoapods setup stuck on pod setup command on terminal
...move master
pod setup
worked for me
Answered in below question as well,
Error on pod install
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Ruby on Rails: How can I revert a migration with rake db:migrate?
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I'm getting an UnknownMigrationVersionError but I figured out it's because my migrations are inside db/migrate/main , does anybody know a workaround for this to have db:migrate:down look inside that specific directory or the migrate subdirectories?
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Does a method's signature in Java include its return type?
...e second line:
public char myMethod(int param) {}
will give you can error: method is already defined in class, which further confirms the above statement.
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The command rbenv install is missing
...all ruby 2.0.0-p247 using
$ rbenv install 2.0.0-p247
but I received the error message
rbenv: no such command 'install'
All I had to do was to run
$ exec $SHELL -l
and that fixed the problem.
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How do I save a UIImage to a file?
...?.write(to: filePath, options: .atomic)
} catch {
// Handle the error
}
}
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How can I use a search engine to search for special characters? [closed]
...s, such as finding out what the variable "$-" is in perl, or searching for error output that is loaded with special characters.
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
.../log/cron
# Everybody gets emergency messages
*.emerg *
# Save news errors of level crit and higher in a special file.
uucp,news.crit /var/log/spooler
# Save boot messages also to boot.log
local7.* /var/log/boot.log
其中涉及两个概念：Facility和Severity，中文的意思大致...
Importing variables from another file?
...t, but it seems like python can't find the file1, because I'm getting this error: ImportError: No module named file1
– Hilder Vitor Lima Pereira
May 29 '15 at 23:52
4
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How can I check whether an array is null / empty?
...to check for null first as you have done, to avoid a possible null pointer error
– Bill Milagro
Jan 15 at 5:31
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