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How do you serialize a model instance in Django?
...d that's all what django serializers need to correctly serialize it, eg.:
from django.core import serializers
# assuming obj is a model instance
serialized_obj = serializers.serialize('json', [ obj, ])
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Can I prevent the Firefox developer tools network panel from clearing on page reload?
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From Firefox 31 onwards you can use the "Enable persistent logs" setting to prevent the Network Monitor from clearing the list on reload.
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How to quit android application programmatically
...cally used when an application can be launched on to another task (such as from an ACTION_VIEW of a content type it understands) and the user has used the up navigation to switch out of the current task and into its own task. In this case, if the user has navigated down into any other activities of ...
How to get the path of a running JAR file?
...f your class.
Obviously, this will do odd things if your class was loaded from a non-file location.
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What is CDATA in HTML? [duplicate]
...d can lead to cross-site scripting vulnerabilities if used to display data from untrusted sources, since the two kinds of parsers will disagree on where the CDATA section ends.
A brief SGML tutorial.
Also, see the Wikipedia entry on CDATA.
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How to free memory in Java?
... they
currently occupy available for quick
reuse. When control returns from the
method call, the Java Virtual Machine
has made a best effort to reclaim
space from all discarded objects.
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Redis - Connect to Remote Server
...st to be sure.
After establishing it is listening where you expect it to, from a remote node which should have access try:
redis-cli -h REMOTE.HOST ping
You could also try that from the local host but use the IP you expect it to be listening on instead of a hostname or localhost. You should see ...
Calling remove in foreach loop in Java [duplicate]
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To safely remove from a collection while iterating over it you should use an Iterator.
For example:
List<String> names = ....
Iterator<String> i = names.iterator();
while (i.hasNext()) {
String s = i.next(); // must be called...
Singletons vs. Application Context in Android?
...with Dianne Hackborn's response. We are bit by bit removing all singletons from our project in favor of lightweight, task scoped objects which can easiliy be re-created when you actually need them.
Singletons are a nightmare for testing and, if lazily initialized, will introduce "state indeterminis...
Ruby function to remove all white spaces?
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This is equivalent to trim. Please refer to the quote from @Tadeck above.
– Brett Holt
Jul 12 '12 at 2:48
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