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how perform grep operation on all files in a directory
Working with xenserver, and I want to perform a command on each file that is in a directory, grepping some stuff out of the output of the command and appending it in a file.
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Vim: Move window left/right?
... down/right.
You can also use the "windows command mode" with navigation keys to change a window's position:
Ctrl w + L - Move the current window to the "far right"
Ctrl w + H - Move the current window to the "far left"
Ctrl w + J - Move the current window to the "very bottom"
Ctrl w + K - Move ...
How do I pass values to the constructor on my wcf service?
I would like to pass values into the constructor on the class that implements my service.
8 Answers
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Reverting a single file to a previous version in git [duplicate]
...rent commits on a file.
Say I modified a file 5 times and I want to go back to change 2, after I already committed and pushed to a repository.
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Windows: How to specify multiline command on command prompt?
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After trying almost every key on my keyboard:
C:\Users\Tim>cd ^
Mehr? Desktop
C:\Users\Tim\Desktop>
So it seems to be the ^ key.
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Continuously read from STDOUT of external process in Ruby
... begin
# Do stuff with the output here. Just printing to show it works
stdout.each { |line| print line }
rescue Errno::EIO
puts "Errno:EIO error, but this probably just means " +
"that the process has finished giving output"
end
end
rescue PTY::ChildExited
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“Inner exception” (with traceback) in Python?
My background is in C# and I've just recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
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Difference between onStart() and onResume()
...s always called after onStart() . Why can't it be the onResume() is invoked after onRestart() and onCreate() methods just excluding onStart() ? What is its purpose?
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How to hide 'Back' button on navigation bar on iPhone?
...o switch between views in my app. But some of the views shouldn't have 'Back' (the previous title) button. Any ideas about how to hide the back button?
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How can I use “” in javadoc without formatting?
...necessity to escape the signs appears only when they are used as angle brackets (i.e. in pairs), which in turn implies that they are part of some code (such as an XML tag, as in OP's case). In this situation, I believe a better solution is to wrap the entire XML snippet in {@code ...} tags, as Etien...