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Declaring variables inside loops, good practice or bad practice?
... their scope is restricted to inside the loop. It cannot be referenced nor called outside of the loop.
This way:
If the name of the variable is a bit "generic" (like "i"), there is no risk to mix it with another variable of same name somewhere later in your code (can also be mitigated using the -...
“From View Controller” disappears using UIViewControllerContextTransitioning
...ss when trying to add subviews to my navigation controller's view, in viewDidLoad. Re-adding the navigationController's view to the keyWindow seemed to do the trick, thanks a lot, Ash!
– taber
Jul 9 '14 at 3:26
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Where can I get a “useful” C++ binary search algorithm?
...pproximately twice as high as std::lower_bound. It appears that it wraps a call to std::lower_bound and a call to std::upper_bound. If you know your data doesn't have duplicates then that is overkill and std::lower_bound (as demonstrated in the top answer) is the best choice.
–...
How do lexical closures work?
... means it doesn't work with a variable amount of parameters. Worse, if you call func with a second parameter this will overwrite the original i from the definition. :-(
– Pascal
Mar 28 '19 at 16:05
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Capture keyboardinterrupt in Python without try-except
...ule -- shouldn't affect this poster, but "On Windows, signal() can only be called with SIGABRT, SIGFPE, SIGILL, SIGINT, SIGSEGV, or SIGTERM. A ValueError will be raised in any other case."
– bgporter
Nov 17 '10 at 14:39
...
Does functional programming replace GoF design patterns?
...m "when you encounter problem X, use code that looks like Y", which is basically what a design pattern is.
However, it's correct that most OOP-specific design patterns are pretty much irrelevant in functional languages.
I don't think it should be particularly controversial to say that design patte...
How to put the legend out of the plot
... 0.5))
plt.show()
And in a similar manner, you can shrink the plot vertically, and put the a horizontal legend at the bottom:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(10)
fig = plt.figure()
ax = plt.subplot(111)
for i in xrange(5):
line, = ax.plot(x, i * x, label='$...
Can you build dynamic libraries for iOS and load them at runtime?
...tore, so I don't care about Apple's restrictions for AppStore. Is it technically possible to create a dynamic library for iOS app?
– Aliaksei
Sep 9 '11 at 21:12
3
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WebSockets vs. Server-Sent events/EventSource
...SEs have been kept in the shadow is because later APIs like WebSockets provide a richer protocol to perform bi-directional, full-duplex communication. Having a two-way channel is more attractive for things like games, messaging apps, and for cases where you need near real-time updates in both direct...
What does “use strict” do in JavaScript, and what is the reasoning behind it?
...+ b;} This works because arguments[0] is bound to a and so on. )
arguments.callee is not supported
[Ref: Strict mode, Mozilla Developer Network]
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