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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
...trollers property) has been updated by the time that viewWillDisappear is called.
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How to show android checkbox at right side?
...ayout class you've chosen, and add this logic by yourself. You can go over all of the child views and toggling their state. You can use those links to help you out: developer.android.com/samples/CustomChoiceList/src/… , antoine-merle.com/blog/2013/07/17/… . add a clickListener, and toggle the ch...
Fast Linux File Count for a large number of files
...ke a while if there are a lot of them. Also there will be no output until all of the names are read and sorted. Use the ls -f option to turn off sorting.
ls -f | wc -l
Note that this will also enable -a, so ., .., and other files starting with . will be counted.
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Including jars in classpath on commandline (javac or apt)
trying to run this program. I think that to setup all of the web service stuff I need to run apt. (Although using javac I am having the same issue). I think what I am getting is compile errors. (Shown at bottom).
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How can you profile a Python script?
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Python includes a profiler called cProfile. It not only gives the total running time, but also times each function separately, and tells you how many times each function was called, making it easy to determine where you should make optimizations.
You c...
How can I tell PyCharm what type a parameter is expected to be?
When it comes to constructors, and assignments, and method calls, the PyCharm IDE is pretty good at analyzing my source code and figuring out what type each variable should be. I like it when it's right, because it gives me good code-completion and parameter info, and it gives me warnings if I try t...
What does “async: false” do in jQuery.ajax()?
Specifically, how does it differ from the default ( async: true ) ?
7 Answers
7
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When to use -retainCount?
...ike to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it.
11 A...
Real World Use of Zookeeper [closed]
...wondered whether anybody was using it currently and what they were specifically using it for storing.
13 Answers
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Python: Checking if a 'Dictionary' is empty doesn't seem to work
...; not dct
True
>>>
Thus, your isEmpty function is unnecessary. All you need to do is:
def onMessage(self, socket, message):
if not self.users:
socket.send("Nobody is online, please use REGISTER command" \
" in order to register into the server")
else:...