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How to check if a python module exists without importing it
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Python2
To check if import can find something in python2, using imp
import imp
try:
imp.find_module('eggs')
found = True
except ImportError:
found = False
To find dotted imports, you need to do more:
import imp
try:
spam_info = imp.find_module('s...
Can CSS detect the number of children an element has?
I'm probably answering my own question, but I'm extremely curious.
7 Answers
7
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Why not use tables for layout in HTML? [closed]
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I'm going to go through your arguments one after another and try to show the errors in them.
It's good to separate content from layout
But this is a fallacious argument; Cliché Thinking.
It's not fallacious at all because HTML was designed intentio...
How to redirect to a 404 in Rails?
...lity built in already. If you want to show a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this:
def not_found
raise ActionController::RoutingError.new('Not Found')
end
Rails also handles AbstractController::ActionNotFound, and ActiveRecord::R...
Is it possible to pull just one file in Git?
I am working on a Git branch that has some broken tests, and I would like to pull (merge changes, not just overwrite) these tests from another branch where they are already fixed.
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“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
From my main activity , I need to call an inner class and in a method within the class, I need to show AlertDialog . After dismissing it, when the OK button is pressed, forward to Google Play for purchase.
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How to remove .htaccess password protection from a subdirectory
...s directory
Satisfy Any
The syntax changed in Apache 2.4, this has the same effect:
Require all granted
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How to grep (search) committed code in the Git history
I have deleted a file or some code in a file sometime in the past. Can I grep in the content (not in the commit messages)?
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Assignment in an if statement
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The answer below was written years ago and updated over time. As of C# 7, you can use pattern matching:
if (animal is Dog dog)
{
// Use dog here
}
Note that dog is still in scope after the if statement, but isn't definitely assigned.
No, there isn't. It's more idiomatic to...
How to use Sublime over SSH
I'm trying to use Sublime Text 2 as an editor when I SSH in to my work server, and I'm stumped. I found this http://urbangiraffe.com/2011/08/13/remote-editing-with-sublime-text-2/ (among many other posts) that looks like it might help, but I don't follow it exactly, particularly with what values ...