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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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Difference between namespace in C# and package in Java
What is the difference (in terms of use) between namespaces in C# and packages in Java?
6 Answers
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
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What is a thread exit code?
...for this value could interpret it to mean that the thread is still running and continue to test for the completion of the thread after the thread has terminated, which could put the application into an infinite loop.
My understanding of all this is that the exit code doesn't matter all that much...
Does anyone still use [goto] in C# and if so why? [closed]
I was wondering whether anyone still uses the "goto" keyword syntax in C# and what possible reasons there are for doing so.
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jQuery deferreds and promises - .then() vs .done()
I've been reading about jQuery deferreds and promises and I can't see the difference between using .then() & .done() for successful callbacks. I know Eric Hynds mentions that .done() and .success() map to the same functionality but I'm guessing so does .then() as all the callbacks are al...
Remove specific characters from a string in Python
...nfusing to experienced pythonators, who will see a doubly-nested structure and think for a moment that something more complicated is going on.
Starting in Python 2.6 and newer Python 2.x versions *, you can instead use str.translate, (but read on for Python 3 differences):
line = line.translate(No...
How do I get the directory that a program is running from?
Is there a platform-agnostic and filesystem-agnostic method to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
... "security" risk.
You can get around it by using absolute paths
File.expand_path(__FILE__) et al
or doing
require './filename' (ironically).
or by using
require_relative 'filename'
or adding an "include" directory
ruby -I . ...
or the same, using irb;
$irb -I .
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...r connection; role, port, password, ... See:
Run batch file with psql command without password
The same cannot be called with psql -c "SELECT ...\gexec" since \gexec is a psql meta‑command and the -c option expects a single command for which the manual states:
command must be either a command s...