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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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New line in JavaScript alert box
...nt of an Html.BeginForm(). \n does not work for me. I get an Illegal token error when the code gets hit. Apparently you need to escape both the newline character and the backslash that creates the newline character, like so: \\n
– Kehlan Krumme
Aug 21 '13 at 18...
jquery select change event get selected option
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I copied your code to IE 11 and got an error. I ended up with this.options[ this.options.selectedIndex ]. Mozilla says is supported by Firefox from 26, IE No support.
– Bernhard Döbler
Dec 14 '16 at 8:36
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Change font size macvim?
...nner Should be Cmd+Shift+= in my above comment. Thank you for spotting the error.
– smat
Jan 11 '13 at 15:29
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How to try convert a string to a Guid [duplicate]
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If all you want is some very basic error checking, you could just check the length of the string.
string guidStr = "";
if( guidStr.Length == Guid.Empty.ToString().Length )
Guid g = new Guid( guidStr );
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