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Creating an abstract class in Objective-C
I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible?
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How to get the nth element of a python list or a default if not available
... never fails. I still don't like to rely on try/except, for a case that I know will happen, but this increases my willingness to consider it.
– ToolmakerSteve
Dec 15 '13 at 3:27
6
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Android Studio Collapse definitions and methods
...open Settings (File -> Settings) then select Keymap under IDE Settings. Now type folding into the search box (top right). Setup the keyboard shortcut for the various folding actions :)
share
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im...
Apache Prefork vs Worker MPM
...ing Module implementing a hybrid multi-threaded multi-process web server
Now, to the difference between prefork and worker.
The prefork MPM
implements a non-threaded, pre-forking web server that handles
requests in a manner similar to Apache 1.3. It is appropriate for
sites that need to ...
How to get past the login page with Wget?
...p;password=bar' \
--delete-after \
http://server.com/auth.php
# Now grab the page or pages we care about.
wget --load-cookies cookies.txt \
http://server.com/interesting/article.php
Make sure the --post-data parameter is properly percent-encoded (especially ampersands!) or the requ...
Is it possible to specify a different ssh port when using rsync?
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Worked for me too! I don't know why the most-voted answer does not work...
– ch271828n
Feb 12 '18 at 12:06
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Bash, no-arguments warning, and case decisions
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RE: "exit 0". I don't know if exiting the script was what he had in mind. But yes, that's an excellent guide.
– Trampas Kirk
Mar 11 '10 at 19:35
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Pick any kind of file via an Intent in Android
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I'm not sure right now, but I can check it later. I think it's the Activity Not Found exception. Do you have any working solution? I almost tried everything and didn't manage to fix it
– steliosf
May 29 '1...
How do I increase the cell width of the Jupyter/ipython notebook in my browser?
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I am using Jupyter for Julia. Do you know what I need in this case?
– becko
Nov 6 '17 at 13:55
1
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The difference between the Runnable and Callable interfaces in Java
...le : If you are trying to retrieve a value from a task, then use Callable. Now callable on its own will not do the job. You will need a Future that you wrap around your Callable and get your values on future.get (). Here the calling thread will be blocked till the Future comes back with results whic...