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Tying in to Django Admin's Model History
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When a user makes a change, add to the log like this (stolen shamelessly from contrib/admin/options.py:
from django.contrib.admin.models import LogEntry, ADDITION
LogEntry.objects.log_action(
user_id = request.user.pk,
content_type_id = ContentType.objects.get_for_model(object).p...
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...
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
3
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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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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 ...
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...
remove_if equivalent for std::map
I was trying to erase a range of elements from map based on particular condition. How do I do it using STL algorithms?
13 A...
Removing Data From ElasticSearch
I'm new to ElasticSearch . I'm trying to figure out how to remove data from ElasticSearch. I have deleted my indexes. However, that doesn't seem to actually remove the data itself. The other stuff I've seen points to the Delete by Query feature. However, I'm not even sure what to query on. I know...
What is a coroutine?
... What is the difference between calling a function directly and yielding from a coroutine with wrapping this function into this coroutine?
– Ming Li
Aug 4 '14 at 10:44
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