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What can be the reasons of connection refused errors?
...ect to the ip/port to test connectivity. This removes any potential issues from your application.
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bundle install fails with SSL certificate verification error
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Update
Now that I've karma wh..err mined enough from this answer everyone should know that this should have been fixed.
re: via Ownatik again bundle install fails with SSL certificate verification error
gem update --system
My answer is still correct and left below for ...
How to make a python, command-line program autocomplete arbitrary things NOT interpreter
..._completion.d/ and register it with the command complete. Here's a snippet from the linked page:
_foo()
{
local cur prev opts
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
opts="--help --verbose --version"
if [[ ${cur} == -* ]] ; then
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“Debug certificate expired” error in Eclipse Android plugins
...y OS). I usually add this bin directory to my PATH so the above would work from anywhere. You could either find your JDK bin directory and add it to your PATH, or you could put the full pathname to keytool on the command line.
– Dave MacLean
Nov 26 '11 at 20:55...
Kill a Process by Looking up the Port being used by it from a .BAT
...Morgan-Graham as this is an accepted answer, please consider adding points from stackoverflow.com/a/20637662/5243762 this answer as well
– IAmSurajBobade
Oct 10 '19 at 6:58
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Label Alignment in iOS 6 - UITextAlignment deprecated
...ely important factor. That it might break in the future is just bad design from Apple, and if they break it I would rather have compilation errors than risking that the alignment gets wrong without me noticing.
– Robin Andersson
Nov 14 '12 at 12:45
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How to remove all subviews of a view in Swift?
I'm looking for a simple method to remove at once all subviews from a superview instead of removing them one by one.
20 Ans...
How to list all installed packages and their versions in Python?
...uce the same output as pip freeze by calling:
pip list
Note
The output from pip list is formatted differently, so if you have some shell script that parses the output (maybe to grab the version number) of freeze and want to change your script to call list, you'll need to change your parsing code...
How to use pip with Python 3.x alongside Python 2.x
... outdated location for the get-pip.py script, please use the one available from https://bootstrap.pypa.io/get-pip.py
– Kevin Brotcke
Feb 1 '16 at 4:39
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How to install psycopg2 with “pip” on Python?
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Option 2
Install the prerequsisites for building the psycopg2 package from source:
Debian/Ubuntu
Python 3
sudo apt install libpq-dev python3-dev
You might need to install python3.8-dev or similar for e.g. Python 3.8.
Python 21
sudo apt install libpq-dev python-dev
If that's not enough,...