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How can I output leading zeros in Ruby?
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Came here for how to pad a base 36 number. This works for that, whereas % looks like it won't. Thanks!
– Ethan Kaminski
Jan 10 '17 at 9:52
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Shards and replicas in Elasticsearch
... your index. The general formula to calculate the number of nodes required based on replicas and shards is "number of nodes = number of shards*(number of replicas + 1)".The standard practice is to have atleast one replica for fault tolerance.
Setting up the number of shards is a static operation, m...
What are POD types in C++?
... a POD provided that all non-static data members are public, and it has no base class and no constructors, destructors, or virtual methods. Static members don't stop something being a POD under this rule. This rule has changed in C++11 and certain private members are allowed: Can a class with all pr...
Python Flask, how to set content type
... return Response(xml, mimetype='text/xml')
The actual Content-Type is based on the mimetype parameter and the charset (defaults to UTF-8).
Response (and request) objects are documented here: http://werkzeug.pocoo.org/docs/wrappers/
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Does MongoDB's $in clause guarantee order
...original order of our array we provided. Then we simply sort the documents based on this field.
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How to convert a string or integer to binary in Ruby?
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You have Integer#to_s(base) and String#to_i(base) available to you.
Integer#to_s(base) converts a decimal number to a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(...
Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...of manipulators from Andrew Koenig. The standard version of the library is based on this implementation.
Source "The Design & Evolution of C++", section 8.3.1.
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Python: Bind an Unbound Method?
...al requirements more carefully. I am partial (pun intended) to the lambda-based approach given by @brian-brazil in stackoverflow.com/a/1015355/558639 -- it's about as pure as you can get.
– fearless_fool
Jul 22 '18 at 22:48
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List all the files that ever existed in a Git repository
... names and operations with them.
Sample use:
$ git ff create
A database/migrations/2014_10_12_000000_create_users_table.php
A database/migrations/2014_10_12_100000_create_password_resets_table.php
A database/migrations/2015_05_11_200932_create_boletin_table.php
A database/m...
how to delete all cookies of my website in php
...mezones
setcookie($name, '', 1, '/');
}
}
}
Also based on this PHP-Answer
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