擅长:python、mysql、java
<p>同样的问题:<a href="http://permalink.gmane.org/gmane.comp.lib.qt.pyside.devel/541" rel="nofollow">http://permalink.gmane.org/gmane.comp.lib.qt.pyside.devel/541</a></p>
<p>我也回答:<a href="http://permalink.gmane.org/gmane.comp.lib.qt.pyside.devel/542" rel="nofollow">http://permalink.gmane.org/gmane.comp.lib.qt.pyside.devel/542</a></p>
<p>我怀疑发生的是:</p>
<pre><code>self.server_list # local object
.selectionModel() # call C++ method, wraps C++ object in Python object
.selectionChanged # get property of object
# selection model is now out of scope and gets garbage collected
.connect(...) # OOPS! ...operating on object that no longer exists!
</code></pre>