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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
... What happen if I invoke _contentList.Clear()? No one will unsubscribe from PropertyChanged!
– Paolo Moretti
Aug 3 '12 at 11:00
2
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Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
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Yes you can. You can install a package from a tarball or a folder, on the web or your computer. For example:
Install from tarball on web
pip install https://pypi.python.org/packages/source/r/requests/requests-2.3.0.tar.gz
Install from local tarball
wget https...
How to have Android Service communicate with Activity
...ntent in onResume and unregister it in onPause. Then send out that intent from your service when you want to send out your status updates or what have you.
Make sure you wouldn't be unhappy if some other app listened for your Intent (could anyone do anything malicious?), but beyond that, you shoul...
C++ Const Usage Explanation
... int const * const Method3(int const * const&) const;
then read it from right to left.
#5 says that the entire function declaration to the left is const, which implies that this is necessarily a member function rather than a free function.
#4 says that the pointer to the left is const (may...
Embedded MongoDB when running integration tests
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Here's an updated (for 2019) version of the accepted answer from @rozky (a lot has been changed in both the Mongo and Embedded MongoDB libraries).
package com.example.mongo;
import com.mongodb.BasicDBObject;
import com.mongodb.MongoClient;
import com.mongodb.client.MongoCollection;
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How to execute file I'm editing in Vi(m)
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This facility is available for 'make' of project from vim (gives vim the IDE like capability). Brian Carper's solution (:let f=expand("%")|vnew|execute '.!ruby "' . f . '"') though looks cryptic, works exactly as asked by author of the question.
– Ajay...
One-liner to check whether an iterator yields at least one element?
...oblem with this solution is that you can't actually use the returned value from the iterator if it's not empty, right?
– Ken Williams
Jan 3 '17 at 3:55
add a comment
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Detect encoding and make everything UTF-8
I'm reading out lots of texts from various RSS feeds and inserting them into my database.
24 Answers
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How to JSON serialize sets?
...y to recover regular lists; if you convert sets to a dictionary using dict.fromkeys(s) then you lose the ability to recover dictionaries).
A more sophisticated solution is to build-out a custom type that can coexist with other native JSON types. This lets you store nested structures that include l...
Do I really have a car in my garage? [duplicate]
...e a base class stands fine on it's own, but you might also want to inherit from it. Continuing with the Vehicle example, you may have a Boat in your garage that has all the information you need to operate your boat. But your neighbor may have a SkiBoat, which might also have a method for the lengt...