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Python : List of dict, if exists increment a dict value, if not append a new dict
...ple should work in any version of Python.
# urls_d will contain URL keys, with counts as values, like: {'http://www.google.fr/' : 1 }
urls_d = {}
for url in list_of_urls:
if not url in urls_d:
urls_d[url] = 1
else:
urls_d[url] += 1
This code for updating a dictionary of cou...
Where is the list of predefined Maven properties
...project.build.sourceDirectory ). I once saw the list but I just can't find it again.
6 Answers
...
How do I fire an event when a iframe has finished loading in jQuery?
I have to load a PDF within a page.
13 Answers
13
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Relationship between SciPy and NumPy
SciPy appears to provide most (but not all [1]) of NumPy's functions in its own namespace. In other words, if there's a function named numpy.foo , there's almost certainly a scipy.foo . Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object.
...
How to fix a locale setting warning from Perl?
...produce your problem:
% uname -a
OSF1 hunter2 V5.1 2650 alpha
% perl -e exit
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LC_ALL = (unset),
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the...
Volatile boolean vs AtomicBoolean
...(i) { i = temp + 5 }
}
If a variable is volatile, every atomic access to it is synchronized, but it is not always obvious what actually qualifies as an atomic access. With an Atomic* object, it is guaranteed that every method is "atomic".
Thus, if you use an AtomicInteger and getAndAdd(int delta...
Why doesn't delete set the pointer to NULL?
...
Stroustrup himself answers. An excerpt:
C++ explicitly allows an
implementation of delete to zero out
an lvalue operand, and I had hoped
that implementations would do that,
but that idea doesn't seem to have
become popular with implementers.
But the main issue he...
In android studio,cannot load 2 facets-unknown facet type:android and android-gradle
...ndows or Meta+Comma in Mac.
In top search bar type "plugin".
On right side it will show a list of plugins, find Android Support plugin, check it and click OK at the bottom of screen.
This is how it looks:
share
...
Why extend the Android Application class?
...fhand, I can't think of a real scenario in which extending Application is either preferable to another approach or necessary to accomplish something. If you have an expensive, frequently used object you can initialize it in an IntentService when you detect that the object isn't currently present. Ap...
Attach to a processes output for viewing
...ttach' a console/terminal-view to an applications output so I can see what it may be saying?
7 Answers
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