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Checking network connection
...lib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to respond quickly.
This fixed IP will not map to google.com forever. So this code is
not robust -- it will need constant...
How to template If-Else structures in data-bound views?
... is quite flexible and can let you easily handle this and more complicated ones (more states than true/false).
Another option is to use dynamic templates. You would bind an area to one or more templates with the template name being used based on an observable. Here is a post that I wrote on this t...
Redirect parent window from an iframe action
...here. It makes sense that you should be able to break your site out of someone else's iframe.
– Brian McAuliffe
Sep 25 '14 at 10:54
1
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iPhone UIButton - image position
... (+1), I hate to say it might not be the "proper" way to do this, but it's one of the easiest.
– farzadshbfn
Jun 25 '16 at 15:40
...
Image Segmentation using Mean Shift explained
Could anyone please help me understand how Mean Shift segmentation actually works?
2 Answers
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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
...the way I do it is create a snapshot of your current image, then once its done you'll see it as an option when launching new instances. Simply launch it as a large instance at that point.
This is my approach if I do not want any downtime(i.e. production server) because this solution only takes a s...
Algorithm to generate all possible permutations of a list?
...right, all the permutations of the remaining items are generated (and each one is added with the current elements). This can be done recursively (or iteratively if you like pain) until the last item is reached at which point there is only one possible order.
So with the list [1,2,3,4] all the permu...
Is there a Mutex in Java?
Is there a Mutex object in java or a way to create one?
I am asking because a Semaphore object initialized with 1 permit does not help me.
Think of this case:
...
select2 - hiding the search box
...e significant selects, the search box in Select2 is wonderful. However, in one instance, I have a simple selection of 4 hard-coded choices. In this case, the search box is superfluous and looks a little silly being present. Is it possible to hide it somehow? I took a look through the documentation o...
How do I get the opposite (negation) of a Boolean in Python?
...True, False, True]
Do not use the bitwise invert operator ~ on booleans
One might be tempted to use the bitwise invert operator ~ or the equivalent operator function operator.inv (or one of the other 3 aliases there). But because bool is a subclass of int the result could be unexpected because it...