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What is a unix command for deleting the first N characters of a line?
... first 4 characters of each line (i.e. start on the 5th char):
tail -f logfile | grep org.springframework | cut -c 5-
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How to prevent moment.js from loading locales with webpack?
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The code require('./locale/' + name) can use every file in the locale dir. So webpack includes every file as module in your bundle. It cannot know which language you are using.
There are two plugins that are useful to give webpack more information about which module should b...
How to define a function in ghci across multiple lines?
...nterpreter in this regard. Very convenient! You can in fact create a .ghci file in your home directory in which you put :set +m and multiline mode will become the default every time you start ghci!
– kqr
Nov 5 '13 at 21:04
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“render :nothing => true” returns empty plaintext file?
...ow.com%2fquestions%2f4632271%2frender-nothing-true-returns-empty-plaintext-file%23new-answer', 'question_page');
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Create Pandas DataFrame from a string
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This is wrong, since on CSV files the newline (\n) character can be part of a field.
– Antonio Ercole De Luca
Apr 3 at 13:13
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invalid command code ., despite escaping periods, using sed
...ument so your command is actually parsed as the extension argument and the file path is interpreted as the command code.
Try adding the -e argument explicitly and giving '' as argument to -i:
find ./ -type f -exec sed -i '' -e "s/192.168.20.1/new.domain.com/" {} \;
See this.
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Unable to find a locale path to store translations for file __init__.py
... out all strings marked for translation. It creates (or updates) a message file in the conf/locale (in the Django tree) or locale (for project and application) directory.
So, you either run the command from the app directory:
$ cd app
$ django-admin makemessages -l <locale>
… or you de...
Comparing Haskell's Snap and Yesod web frameworks
... syntax for it. You are certainly welcome to their solution of just static files.
Yesod comes with seamless support for authentication/authorization, type-safe URLs, widgets, email, and a bunch of little things all over the place (breadcrumbs, messages, ultimate destination). Plus, Yesod has a fair...
How to hide command output in Bash
... output from commands, you have two options:
Close the output descriptor file, which keeps it from accepting any more input. That looks like this:
your_command "Is anybody listening?" >&-
Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descrip...
How do I parallelize a simple Python loop?
...rocesses and use the exact same interface.
Multiprocessing
Put this in a file - futuretest.py:
import concurrent.futures
import time, random # add some random sleep time
offset = 2 # you don't supply these so
def calc_stuff(parameter=None): # these are exam...