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Responsive iframe using Bootstrap
...trap.com/docs/3.3/components/#responsive-embed
– Alexander Schmidt
Aug 24 '17 at 9:36
use one aspect ratio and include...
Python OpenCV2 (cv2) wrapper to get image size?
...
cv2 uses numpy for manipulating images, so the proper and best way to get the size of an image is using numpy.shape. Assuming you are working with BGR images, here is an example:
>>> import numpy as np
>>> import cv2
>>> img = cv2.imread('foo.jpg')
&g...
iphone ios running in separate thread
...
In my opinion, the best way is with libdispatch, aka Grand Central Dispatch (GCD). It limits you to iOS 4 and greater, but it's just so simple and easy to use. The code to do some processing on a background thread and then do something with the results in the main run loop is inc...
How do I make this file.sh executable via double click?
...pt that will execute in Terminal when you open it, name it with the “command” extension, e.g., file.command. By default, these are sent to Terminal, which will execute the file as a shell script.
You will also need to ensure the file is executable, e.g.:
chmod +x file.command
Without this, T...
Make Div overlay ENTIRE page (not just viewport)?
...verlay div cover the ENTIRE page... NOT just the viewport. I don't understand why this is so hard to do... I've tried setting body, html heights to 100% etc but that isn't working. Here is what I have so far:
...
How are booleans formatted in Strings in Python?
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What's the major difference between %r and %s?
– Alston
Sep 13 '15 at 8:17
23
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Initialize parent's protected members with initialization list (C++)
...er to be default initialized.
From C++0x draft:
12.6.2 Initializing bases and members
2 Names in a mem-initializer-id are
looked up in the scope of the
constructor’s class and, if not found
in that scope, are looked up in the
scope containing the constructor’s
definition. [ Note: if the
constru...
How to push new branch without history
I have git repo with two unrelated branches, master and configs.
I've created configs, purged all the files and then placed in configuration files only.
Now I want to push this on remote repo, but as it were new, empty branch (without logs of all my changes and old revisions of original branch).
...
Override ActiveRecord attribute methods
...that the original poster specified (feeding the name to super) works fine, and IMHO is cleaner than manually writing the attribute as Aaron suggests.
– Batkins
Nov 23 '11 at 20:46
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Remove multiple keys from Map in efficient way?
...set contains the strings you want to remove, you can use the keySet method and map.keySet().removeAll(keySet);.
keySet returns a Set view of the keys contained in this map. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa.
Contrived example:
Map<...