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Using sed, how do you print the first 'N' characters of a line?
Using sed what is an one liner to print the first n characters ? I am doing the following:
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How to get String Array from arrays.xml file
I am just trying to display a list from an array that I have in my arrays.xml . When I try to run it in the emulator, I get a force close message.
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Find all files with a filename beginning with a specified string?
I have a directory with roughly 100000 files in it, and I want to perform some function on all files beginning with a specified string, which may match tens of thousands of files.
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What are the differences between ipython and bpython?
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If you just want an interactive interpreter, bpython should be fine. Just use it until you miss some feature you liked about IPython.
There are lots of features that IPython offers over bpython:
Special threading options. I l...
Take diff of two vertical opened windows in Vim
... in vertical mode, next to next. Can I instantly diff these two files without leaving or closing Vim ?
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Mongo: find items that don't have a certain field
How to search for documents in a collection that are missing a certain field in MongoDB?
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How to skip “are you sure Y/N” when deleting files in batch files
...can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files.
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What exactly does git rebase --skip do?
I just did a git pull --rebase origin master and there was a conflict.
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List All Redis Databases
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There is no command to do it (like you would do it with MySQL for instance). The number of Redis databases is fixed, and set in the configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the foll...