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/etc/apt/sources.list" E212: Can't open file for writing
...udo vim FILE. Or if you don't want to leave your existing vim session (and now have proper sudo rights), you can issue:
:w !sudo tee % > /dev/null
Which will save the file.
HTH
share
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improv...
Split output of command by columns using Bash?
... space, obviously
$ <command> | sed -e "s/.*/ &/" | tr -s " "
Now, for this particular case of pid numbers (not names), there is a function called pgrep:
$ pgrep ssh
Shell functions
However, in general it is actually still possible to use shell functions in a concise manner, because...
Disable file preview in VS2012
...but is still technically correct. Yours is simpler and everyone can use it now.
– vbullinger
Jun 26 '13 at 17:27
5
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Npm install failed with “cannot run in wd”
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Sorry I didn't see this until now. I tried the "unsafe-perm" before but it didn't work either. The problem still exists
– E.H.
Mar 31 '14 at 19:47
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Count lines of code in all java classes in Android Studio
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Works with Windows now. Nice.
– TimJowers2
Jun 22 '15 at 20:30
7
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difference between socket programming and Http programming
...her set of rules or protocols like ssh, ftp and communicate in other ways.
now in socket programming you could make a socket , bind it to an ip address and a port number to act as a port number and tell it to follow http , ssh ,ftp or whatever you want based on the communications that you want to us...
Creating an empty Pandas DataFrame, then filling it?
...me
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', 'C']
Note: we could create an empty DataFrame (with NaNs) simply by writing:
df_ = pd.DataFrame(index=index,...
Change first commit of project with Git? [duplicate]
...anced the option --root for git rebase:
"git rebase [-i] --root $tip" can now be used to rewrite all the history leading to "$tip" down to the root commit.
That new behavior was initially discussed here:
I personally think "git rebase -i --root" should be made to just work without requiring "-...
Deciding between HttpClient and WebClient
...eb API, especially in the form of message handlers for security, etc.
I know mine is only one opinion, but I would only recommend use of HttpClient for any future work. Perhaps there's some way to leverage some of the other pieces coming out of System.Net.Http without using that assembly directly,...
Passing a list of kwargs?
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ah, I wasn't paying attention. Should be better now.
– David Z
Sep 30 '09 at 20:26
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