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filter items in a python dictionary where keys contain a specific string

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Function Pointers in Java

...te your own) you can use a method reference in this case. Java provides a set of common functional interfaces. whereas you could do the following: public class Test { public void test1(Integer i) {} public void test2(Integer i) {} public void consumer(Consumer<Integer> a) { a.a...
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What's the best way to join on the same table twice?

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Why does Math.round(0.49999999999999994) return 1?

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Efficient way to apply multiple filters to pandas DataFrame or Series

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eclipse won't start - no java virtual machine was found

...64 bit while eclipse was of 64 bit version. Once done and JDK\bin path was set in PATH variable eclipse worked fine :) share | improve this answer | follow | ...
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How to share my Docker-Image without using the Docker-Hub?

...ed (all state is kept on the s3 bucket of your choice) which is trivial to setup. This is also an interesting way of watching what happens when pushing to a registry Use another registry like quay.io (I haven't personally tried it), although whatever concerns you have with the docker hub will probab...
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Error installing mysql2: Failed to build gem native extension

...\app\models\city.rb to look like this class City < ActiveRecord::Base set_table_name "city" end Edit the file c:\Sites\world\config\database.yml to look like this development: adapter: mysql2 encoding: utf8 database: world pool: 5 username: root password: root socket: /tmp/mysql.sock add t...
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What's the difference between hard and soft floating point numbers?

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Access lapply index names inside FUN

...whole thing into a large matrix when I only wanted to a simple list apply. Setting it to F (inside the mapply()) made it run as intended. – JJJ Apr 25 '19 at 17:15 ...