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unable to install pg gem
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I had this problem, this worked for me:
Install the postgresql-devel package, this will solve the issue of pg_config missing.
sudo apt-get install libpq-dev
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How do you change the size of figures drawn with matplotlib?
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figure tells you the call signature:
from matplotlib.pyplot import figure
figure(num=None, figsize=(8, 6), dpi=80, facecolor='w', edgecolor='k')
figure(figsize=(1,1)) would create an inch-by-inch image, which would be 80-by-80 pixels unless you...
How to send POST request in JSON using HTTPClient in Android?
...uthor used to make a HttpClient Request. I do not claim to be an expert at all this so if anyone has a better way to word some of the terminology feel free.
public static HttpResponse makeRequest(String path, Map params) throws Exception
{
//instantiates httpclient to make request
DefaultH...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
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Assuming you've used home-brew to install and upgrade Postgres, you can perform the following steps.
Stop current Postgres server:
launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
Initialize a new 10.1 database:
initdb /usr/local/var/pos...
Run cURL commands from Windows console
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Heck yeah that helped. Very easy. Thanks for posting.
– Adrian Carr
Aug 11 '14 at 20:09
I...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
.... Some other guys here on StackOverflow suggested this solution and it actually looks quite good at first glance. But the problem with this solution shows up when you start to move the map around. You have to move the PopupWindow somehow yourself which is possible (by listening to some onTouch event...
Take a char input from the Scanner
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Actually its taking more than one character, but acting only on the first character
– Ralph
Dec 19 '12 at 2:39
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How to list the size of each file and directory and sort by descending size in Bash?
... @ErikTrautman to list the files also you need to add -a and use --all instead of --max-depth=1 like so du -a -h --all | sort -h
– Franco
Jun 14 '14 at 1:40
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How do I type using my keyboard on the iphone simulator?
...ommand-K Toggle (Show/Hide) Software Keyboard
And, you know, I really suffered for last 2 months, until found it, and it is very convenient now))
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Which terminal command to get just IP address and nothing else?
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This will give you all IPv4 interfaces, including the loopback 127.0.0.1:
ip -4 addr | grep -oP '(?<=inet\s)\d+(\.\d+){3}'
This will only show eth0:
ip -4 addr show eth0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}'
And this way you can get...