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When should I use genetic algorithms as opposed to neural networks? [closed]
...ues. Such as "Find all of the ways a set of four chess pieces could be arranged on a chessboard to create a checkmate." However the solution space can also be a set of algorithms. This is where the real power of genetic algorithms come into play. They help you to answer a question like "Find a se...
JavaScript seconds to time string with format hh:mm:ss
... From MDN: If a parameter you specify is outside of the expected range, setSeconds() attempts to update the date information in the Date object accordingly. For example, if you use 100 for secondsValue, the minutes stored in the Date object will be incremented by 1, and 40 will be used for...
Which HTML5 reset CSS do you use and why? [closed]
...ves useful defaults, unlike many CSS resets.
Normalizes styles for a wide range of HTML elements.
Corrects bugs and common browser inconsistencies.
Improves usability with subtle improvements.
Explains what code does using detailed comments.
normalize.css
...
What is considered a good response time for a dynamic, personalized web application? [closed]
...around, they say that people start to loose interest in the >= 7 second range, by 10-15 seconds you have typically lost them, unless you REALLY have something they want or need.
share
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improve t...
Python string class like StringBuilder in C#?
... -- An enhanced Interactive Python.
In [1]: values = [str(num) for num in range(int(1e3))]
In [2]: %%timeit
...: ''.join(values)
...:
100000 loops, best of 3: 7.37 µs per loop
In [3]: %%timeit
...: result = ''
...: for value in values:
...: result += value
...:
10000 loop...
How can I quickly sum all numbers in a file?
...for giggles, I tried this with a file containing 1,000,000 numbers (in the range 0 - 9,999). On my Mac Pro, it returns virtually instantaneously. That's too bad, because I was hoping using mmap would be really fast, but it's just the same time:
use 5.010;
use File::Map qw(map_file);
map_file my $m...
Is there a WebSocket client implemented for Python? [closed]
...nt "### closed ###"
def on_open(ws):
def run(*args):
for i in range(30000):
time.sleep(1)
ws.send("Hello %d" % i)
time.sleep(1)
ws.close()
print "thread terminating..."
thread.start_new_thread(run, ())
if __name__ == "__main__":
...
Extracting just Month and Year separately from Pandas Datetime column
...your case -- just that they are stylistically valid Pythonic choices for a range of cases.
– ely
Aug 5 '14 at 19:03
Th...
Appending HTML string to the DOM
... insertAdjacentHTML. In Firefox earlier than 8, you can fall back to using Range.createContextualFragment if your str contains no script tags.
If your str contains script tags, you need to remove script elements from the fragment returned by createContextualFragment before inserting the fragment. O...
How to draw a path on a map using kml file?
... navigationDataSet = null;
}
return navigationDataSet;
}
}
Drawing:
/**
* Does the actual drawing of the route, based on the geo points provided in the nav set
*
* @param navSet Navigation set bean that holds the route information, incl. geo pos
* @param color Color in w...