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Setting DEBUG = False causes 500 Error
Once I change the DEBUG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True .
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Show Youtube video source into HTML5 video tag?
...ying to put a YouTube video source into the HTML5 <video> tag, but it doesn't seem to work. After some Googling, I found out that HTML5 doesn't support YouTube video URLs as a source.
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Why aren't variables declared in “try” in scope in “catch” or “finally”?
...n exception is thrown and the exception object gets a variable assigned to it, that object variable is only available within the "catch" section and is destroyed as soon as the catch completes.
(and more importantly). You can't know where in the try block the exception was thrown. It may have been b...
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
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With the Java optional package or Oracle JDK installed,
adding one of the following lines to your ~/.bash_profile file will set the environment variable accordingly.
export JAVA_HOME="$(/usr/libexec/java_home -v 1.6)"
or
ex...
Is there a concurrent List in Java's JDK?
...There is a concurrent list implementation in java.util.concurrent. CopyOnWriteArrayList in particular.
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How to ignore the certificate check when ssl
...ationCallback will yield the result that all subsequent requests will inherit this policy. Since it is a global "setting" it would be prefered to set it in the Application_Start method in Global.asax.
Setting the callback overrides the default behaviour and you can yourself create a custom validati...
How to avoid having class data shared among instances?
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You want this:
class a:
def __init__(self):
self.list = []
Declaring the variables inside the class declaration makes them "class" members and not instance members. Declaring them inside the __init__ method makes sure that a new instance of the me...
Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det
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Because it's a HyperlinkedModelSerializer your serializer is trying to resolve the URL for the related User on your Bottle.
As you don't have the user detail view it can't do this. Hence the exception.
Would not just registering th...
scrollIntoView Scrolls just too far
I have a page where a scroll bar containing table rows with divs in them is dynamically generated from the database. Each table row acts like a link, sort of like you'd see on a YouTube playlist next to the video player.
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Nearest neighbors in high-dimensional data?
...trieval.
You may be interested in Approximate Nearest Neighbor (ANN) algorithms. The idea is that you allow the algorithm to return sufficiently near neighbors (perhaps not the nearest neighbor); in doing so, you reduce complexity. You mentioned the kd-tree; that is one example. But as you said, kd...