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What does it mean if a Python object is “subscriptable” or not?
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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
... collection of related AWS resources, provisioning and updating them in an orderly and predictable fashion.
CloudFormation (CFn) is a lightweight, low-level abstraction over existing AWS APIs. Using a static JSON/YAML template document, you declare a set of Resources (such as an EC2 instance or an ...
When should I write the keyword 'inline' for a function/method?
...e fun() = 111 in both of the lines.
Case B:
Compile (notice reverse order):
g++ -std=c++11 inline222.cpp inline111.cpp
Output:
inline111: fun() = 222, &fun = 0x402980
inline222: fun() = 222, &fun = 0x402980
Discussion:
This case asserts what have been discussed in Case A.
Noti...
Algorithm for creating a school timetable
...rties. It was extremely steep, one property easily able to change it by an order of magnitude up or down - and there were hundreds or thousands of properties in one organism. This resulted in absolutely HUGE numbers as the weights, and as a direct result, need to use a bignum library (gmp) to perfor...
How to get a specific output iterating a hash in Ruby?
...ash.each do |key, array|
puts "#{key}-----"
puts array
end
Regarding order I should add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it will be iterated in the order of the literal.
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Get last n lines of a file, similar to tail
... block_number = -1
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting
# from the end of the file
while lines_to_go > 0 and block_end_byte > 0:
if (block_end_byte - BLOCK_SIZE > 0):
# read the last block we haven't yet read
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Define css class in django Forms
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actually it works for Jinja2 also :-) I changed the order of safe fileter and added parenthesis instead of colon {{ myform.email|add_class("css_class_1 css_class_2")|safe }} thanks for writing this. it should be part of Django.
– David Dehghan
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What are the correct version numbers for C#?
...ressions, target typed ?? and ?), covariant returns. Minor features: relax ordering of ref and partial modifiers, parameter null checking, lambda discard parameters, native ints, attributes on local functions, function pointers, static lambdas, extension GetEnumerator, module initializers, extending...
Find all packages installed with easy_install/pip?
...se pacman -Qo is a little bit ignorant when it comes to directories :(
In order to do it for other distros, you have to find out where pip installs stuff (just sudo pip install something), how to query ownership of a file (Debian/Ubuntu method is dpkg -S) and what is the "no package owns that path"...
How do I get my Python program to sleep for 50 milliseconds?
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