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How to force Chrome's script debugger to reload javascript?
...ally like the ability to edit javascript in the chrome debugger however, I find that it can be really problematic getting the debugger to re-fetch the JavaScript from the server.
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How to map and remove nil values in Ruby
...t to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your case, as the block evaluates to falsey, simply:
items.filter_map { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a good read on the s...
Chaining multiple MapReduce jobs in Hadoop
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13 Answers
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How does this print “hello world”?
... | h
5-bit codification
For 5 bits, it is posible to represent 2⁵ = 32 characters. English alphabet contains 26 letters, this leaves room for 32 - 26 = 6 symbols
apart from letters. With this codification scheme you can have all 26 (one case) english letters and 6 symbols (being space among ...
Copying files from Docker container to host
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3166
In order to copy a file from a container to the host, you can use the command
docker cp <...
Convert a list of data frames into one data frame
... joekliegjoeklieg
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5
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Laravel orderBy on a relationship
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edited Aug 9 '13 at 15:01
answered Aug 9 '13 at 9:23
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How to normalize a NumPy array to within a certain range?
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unutbuunutbu
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Getting current unixtimestamp using Moment.js
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abagshaw
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answered Aug 26 '14 at 15:18
Matt Johnson-PintMatt...
write a shell script to ssh to a remote machine and execute commands
...th ssh, for example:
#!/bin/bash
USERNAME=someUser
HOSTS="host1 host2 host3"
SCRIPT="pwd; ls"
for HOSTNAME in ${HOSTS} ; do
ssh -l ${USERNAME} ${HOSTNAME} "${SCRIPT}"
done
When ssh'ing to the remote machine, how to handle when it prompts for RSA fingerprint authentication.
You can add th...