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How can I strip first X characters from string using sed?
I am writing shell script for embedded Linux in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} does...
How to delete from a text file, all lines that contain a specific string?
How would I use sed to delete all lines in a text file that contain a specific string?
17 Answers
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How to use the pass statement?
...steps outside of the conditional statements. In the example above, flag is set in the two specifically mentioned cases, but not in the else-case. Without using pass, a future programmer might move flag = True to outside the condition—thus setting flag in all cases.
Another case is with the boil...
Fragment in ViewPager using FragmentPagerAdapter is blank the second time it is viewed
I have a fragment interface with tabs along the bottom which open different fragments in the main view.
13 Answers
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How do you diff a directory for only files of a specific type?
I have a question about the diff command
if I want a recursive directory diff but only for a specific file type, how to do that?
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Emacs mode for Stack Overflow's markdown
...Text which lets you edit textareas with an external editor. Here is how to set it up:
Install markdown-mode. If you use Debian or Ubuntu you can install it by issuing
sudo apt-get install emacs-goodies-el
or if you're on emacs 24 (or have package.el on emacs 23) and Marmalade or Melpa you can i...
How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]
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First, it's always worth noting that git reset --hard is a potentially dangerous command, since it throws away all your uncommitted changes. For safety, you should always check that the output of git status is clean (that is,...
How do I remove diacritics (accents) from a string in .NET?
...te _ is interesting. Perhaps we should just avoid adding them in the loop. Set a flag for the previous character being an _ and not emit one if true.
– IDisposable
Sep 1 '09 at 21:18
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if/else in a list comprehension
How can I do the following in Python?
11 Answers
11
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How to preserve line breaks when storing a command output to a variable in bash?
...nd passes that resulting list of arguments to echo. By default, the IFS is set to whitespace (spaces, tabs, and newlines), so the shell chops your $TEMP string into arguments and it never gets to see the newline, because the shell considers it a separator, just like a space.
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