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Bootstrap dropdown sub menu missing
Bootstrap 3 is still at RC, but I was just trying to implement it. I couldn't figure out how to put a sub menu class. Even there is no class in css and even the new docs don't say anything about it
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Yank entire file
I often write something in gVim, then need to copy-paste it into another application.
13 Answers
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Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
I have a method that accepts a block and a completion block. The first block should run in the background, while the completion block should run in whatever queue the method was called.
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Round to at most 2 decimal places (only if necessary)
...h will end up coming out to be 1 instead of 1.01
– James
Jun 13 '13 at 14:33
85
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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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