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How to implement __iter__(self) for a container object (Python)
...and then every item in some_list.
def __iter__(self):
yield 5
yield from some_list
Pre-3.3, yield from didn't exist, so you would have to do:
def __iter__(self):
yield 5
for x in some_list:
yield x
sha...
Inheriting from a template class in c++
...a is not a template class, but a class template. That is, it is a template from which classes can be generated. Area<int> is such a class (it's not an object, but of course you can create an object from that class in the same ways you can create objects from any other class). Another such clas...
How to use filter, map, and reduce in Python 3
...s in What's New In Python 3.0. You should read it thoroughly when you move from 2.x to 3.x since a lot has been changed.
The whole answer here are quotes from the documentation.
Views And Iterators Instead Of Lists
Some well-known APIs no longer return lists:
[...]
map() and filter() return iterat...
Upgrading PHP in XAMPP for Windows?
...grade PHP in Xampp for Windows? I tried to download the latest PHP version from the main PHP site but when I check (phpinfo) I still get that the previous version is still in use.
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Do interfaces inherit from Object class in java
Do interfaces inherit from Object class in Java?
7 Answers
7
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How to create a sub array from another array in Java?
How to create a sub-array from another array? Is there a method that takes the indexes from the first array such as:
9 Answ...
Get folder name from full file path
How do I get the folder name from the full path of the application?
11 Answers
11
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What is the best way to uninstall gems from a rails3 project?
...ng bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran 'bundle install' that the deleted gems would be uninstalled. I've looked at the bundler help file and, so far as I can tell, it does not have a way to uninstall gems.
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How do I remove duplicate items from an array in Perl?
...tputs:
one two three
If you want to use a module, try the uniq function from List::MoreUtils
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Creating a range of dates in Python
...pport for date ranges.
For example pd.date_range():
import pandas as pd
from datetime import datetime
datelist = pd.date_range(datetime.today(), periods=100).tolist()
It also has lots of options to make life easier. For example if you only wanted weekdays, you would just swap in bdate_range.
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