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What is the pythonic way to detect the last element in a 'for' loop?
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Most of the times it is easier (and cheaper) to make the first iteration the special case instead of the last one:
first = True
for data in data_list:
if first:
first = False
else:
between_items()
item()
This wi...
Stack, Static, and Heap in C++
...oncepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap?
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Internal typedefs in C++ - good style or bad style?
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I think it is excellent style, and I use it myself. It is always best to limit the scope of names as much as possible, and use of classes is the best way to do this in C++. For example, the C++ Standard library makes heavy use of typ...
Best explanation for languages without null
...mers are complaining about null errors/exceptions someone asks what we do without null.
11 Answers
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How do Python's any and all functions work?
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+-----------------------------------------+---------+---------+
| Empty Iterable | False | True |
+-----------------------------------------+---------+---------+
Note 1: The empty iterable case is explained in the official documentation, like this
any
Return T...
Most efficient way to remove special characters from string
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Why do you think that your method is not efficient? It's actually one of the most efficient ways that you can do it.
You should of course read the character into a local variable or use an enumerator to reduce the number of array accesses:
public static string RemoveSpecialC...
Difference between onStart() and onResume()
I can't get the meaning of onStart() transition state. The onResume() method is always called after onStart() . Why can't it be the onResume() is invoked after onRestart() and onCreate() methods just excluding onStart() ? What is its purpose?
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Using querySelectorAll to retrieve direct children
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Good question. At the time it was asked, a universally-implemented way to do "combinator rooted queries" (as John Resig called them) did not exist.
Now the :scope pseudo-class has been introduced. It is not supported on [pre-Chrominum] versions of Edg...
Where is the itoa function in Linux?
itoa() is a really handy function to convert a number to a string. Linux does not seem to have itoa() , is there an equivalent function or do I have to use sprintf(str, "%d", num) ?
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What's the best free C++ profiler for Windows? [closed]
...rofiling tool. I'm a game developer, and I use PIX for Xbox 360 and found it very good, but it's not free. I know the Intel VTune , but it's not free either.
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