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What is the meaning of “__attribute__((packed, aligned(4))) ”
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Inheritance and Overriding __init__ in python
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Why do some functions have underscores “__” before and after the function name?
...def worker(self):
try:
self._worker()
except tornado.web.HTTPError, e:
self.set_status(e.status_code)
except:
logging.error("_worker problem", exc_info=True)
self.set_status(500)
tornado.ioloop.IOLoop.instance().add_callback(self.async_callback(self....
What is the documents directory (NSDocumentDirectory)?
...
This has changed in iOS 8. See the following tech note: https://developer.apple.com/library/ios/technotes/tn2406/_index.html
The Apple sanctioned way (from the link above) is as follows:
// Returns the URL to the application's Documents directory.
- (NSURL *)applicationDocuments...
Get the first element of each tuple in a list in Python [duplicate]
...
res_list = [x[0] for x in rows]
c.f. http://docs.python.org/3/tutorial/datastructures.html#list-comprehensions
For a discussion on why to prefer comprehensions over higher-order functions such as map, go to http://www.artima.com/weblogs/viewpost.jsp?thread=9819...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...e of the salt to generate and the number of hashing iterations to perform.
https://msdn.microsoft.com/en-us/library/h83s4e12(v=vs.110).aspx
The salt and the hash are then mashed together(salt first followed
by the hash) and encoded as a string (so the salt is encoded in the
hash). This encoded hash...
Are unused CSS images downloaded?
...?php if(isset($_GET['foo'])) {
file_put_contents('test.txt', $_SERVER['HTTP_USER_AGENT']);
} ?>
</body>
</html>
If test.txt is populated with the browser's user agent, then the image is downloaded. This was not the case in any of my tests.
...
How can I profile Python code line-by-line?
...e (you can connect to a running program and get statistics from it).
See: http://www.pyvmmonitor.com/
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Comments in Android Layout xml
...r comment text in between.
For example:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
tools:contex...
What's the difference between globals(), locals(), and vars()?
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