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Debugging Scala code with simple-build-tool (sbt) and IntelliJ
...he documentation from "RunningSbt" from sbt's google code site lists commands for running the main class for a project or the tests, but there seem to be no commands for debugging.
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Easiest way to detect Internet connection on iOS?
...wever, I don't feel the simple case is well explained here. Coming from an Android and BlackBerry background, making requests through HTTPUrlConnection instantly fail if there is no connection available. This seems like completely sane behavior, and I was surprised to find NSURLConnection in iOS...
Django migration strategy for renaming a model and relationship fields
...ome errors if you don't update the names where it's imported e.g. admin.py and even older migration files (!).
Update: As ceasaro mentions, newer versions of Django are usually able to detect and ask if a model is renamed. So try manage.py makemigrations first and then check the migration file.
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How to solve privileges issues when restore PostgreSQL Database
I have dumped a clean, no owner backup for Postgres Database with the command
10 Answers
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Is there a way to detach matplotlib plots so that the computation can continue?
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@noskolo what if I have several figures, how to plot and show Fig1 while continue the background to go on? I'd like this figure being open till the next fig being generated, so at the end I have all figs open and the code is finished. With your current solution, it keeps me wai...
How do I sort a vector of pairs based on the second element of the pair?
...to your question, here's some thoughts ...
if you really wanna be creative and be able to reuse this concept a lot, just make a template:
template <class T1, class T2, class Pred = std::less<T2> >
struct sort_pair_second {
bool operator()(const std::pair<T1,T2>&left, const...
How to keep environment variables when using sudo
When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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How to search for a string in cell array in MATLAB?
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ismember is a little more clunky and can get updated with newer versions. I feel more safer with str based functions like strcmpi, etc.
– Maddy
Apr 23 '15 at 19:32
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What is a “callable”?
...ue, yet o will still not be callable because Python skips __getattribute__ and __getattr__ for calls. The only real way left to check if something is callable is thus EAFP.
– L̲̳o̲̳̳n̲̳̳g̲̳̳p̲̳o̲̳̳k̲̳̳e̲̳̳
Jul 1 '10 at 23:03
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How to get Maven project version to the bash command line
...evious I issued a question on how to change Maven project vesion from command line which lead me to a new issue.
28 Answe...