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What is the relationship between the docker host OS and the container base image OS?
...Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
...
Get IP address of visitors using Flask for Python
...emote_addr.
Code example
from flask import request
from flask import jsonify
@app.route("/get_my_ip", methods=["GET"])
def get_my_ip():
return jsonify({'ip': request.remote_addr}), 200
For more information see the Werkzeug documentation.
...
Python Nose Import Error
...e got an __init__.py in your top level directory. That makes it a package. If you remove it, your nosetests should work.
If you don't remove it, you'll have to change your import to import dir.foo, where dir is the name of your directory.
...
How can I set the aspect ratio in matplotlib?
...n(xsize,ysize)
xlim = .4*minsize/xsize
ylim = .4*minsize/ysize
if aspect < 1:
xlim *= aspect
else:
ylim /= aspect
fig.subplots_adjust(left=.5-xlim,
right=.5+xlim,
bottom=.5-ylim,
top=.5+yli...
When does Java's Thread.sleep throw InterruptedException?
...ption and throws InterruptedException,
it clears the interrupted status. If you catch InterruptedException
but cannot rethrow it, you should preserve evidence that the
interruption occurred so that code higher up on the call stack can
learn of the interruption and respond to it if it wants t...
Does BroadcastReceiver.onReceive always run in the UI thread?
... Context.registerReceiver . I also have an AsyncTask that dispatches notifier-Intents via Context.sendBroadcast . The intents are sent from a non-UI worker thread, but it seems that BroadcastReceiver.onReceive (which receives said Intents) always runs in the UI thread (which is good for me). I...
Adding values to a C# array
...s++)
{
termsList.Add(value);
}
// You can convert it back to an array if you would like to
int[] terms = termsList.ToArray();
Edit: a) for loops on List<T> are a bit more than 2 times cheaper than foreach loops on List<T>, b) Looping on array is around 2 times cheaper than looping...
Pass An Instantiated System.Type as a Type Parameter for a Generic Class
The title is kind of obscure. What I want to know is if this is possible:
6 Answers
6
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
I can't seem to be able to find a summary that distinguishes the difference between these three annotations.
3 Answers
...
select and update database record with a single queryset
...
Just a fair warning... if you use the update method like this then any signals attached to that model or other "code stuff" won't run against the objects. Just a pointer from someone who got burned :)
– DMac the Destroyer
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