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Static variables in member functions
...etime of i will remain through out the program. To add an example:
A o1, o2, o3;
o1.foo(); // i = 1
o2.foo(); // i = 2
o3.foo(); // i = 3
o1.foo(); // i = 4
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Python try…except comma vs 'as' in except
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288
The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as i...
Simultaneously merge multiple data.frames in a list
... but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind , for which plyr's rbind.fill would do the job, but that's not the case with these data.
...
Plot logarithmic axes with matplotlib in python
... = [pow(10, i) for i in range(10)]
fig = plt.figure()
ax = fig.add_subplot(2, 1, 1)
line, = ax.plot(a, color='blue', lw=2)
ax.set_yscale('log')
pylab.show()
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What is the difference between ndarray and array in numpy?
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232
numpy.array is just a convenience function to create an ndarray; it is not a class itself.
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How to convert a java.util.List to a Scala list
...licit conversion for you; e.g.:
var list = new java.util.ArrayList[Int](1,2,3)
list.foreach{println}
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Is there a difference between using a dict literal and a dict constructor?
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answered Jul 7 '11 at 12:43
John La RooyJohn La Rooy
249k4646 gold badges326326 silver badges469469 bronze badges
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Django “login() takes exactly 1 argument (2 given)” error
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236
Your view function is also called login, and the call to login(request, user) ends up being in...
How can I use a local image as the base image with a dockerfile?
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jpetazzojpetazzo
12.2k22 gold badges3737 silver badges4343 bronze badges
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In Maven 2, how do I know from which dependency comes a transitive dependency?
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132
To add to @David Crow, here's a dependency:tree example from the Maven site:
mvn dependency:tre...