drj11

# With "unamed expressions"

x = 1 + 2 + 3 + 4

# Without:

x = 1
x += 2
x += 3
x += 4

drj11

drj@mus:~/prj/refinery-platform$ vagrant provision
==> default: Running provisioner: shell...
    default: Running: inline script
==> default: stdin: is not a tty
==> default: WARNING: $GALAXY_DATABASE_DIR is not set: copying files from local Galaxy instance will not work.
==> default: Running provisioner: shell...
    default: Running: /tmp/vagrant-shell20160203-7267-75tc0j.sh
==> default: stdin: is not a tty
==> default: Reading package lists...
==> default: Building dependency tree...

drj11

2016-02-18
Feedback for CICS course "Help I need to use R"

That is a terrifying amount of weight to put on a USB pen drive.

When explaining «setwd("U:\\R - course")» instructor swapped backslash and forward slash.
And repeated it.
So this is not an isolated incident.

Confusion on library. For me on Ubuntu, just «library(psych)» works. No need to use second argument.

drj11

no-one is using the etherpad.

by 1745 (15 minutes in) some people had made a plot, most people downloading and installing.

by 1800 (30 minutes in), many people have a plot.

installing on arch and gentoo is hard (arch user gave up installing Rstudio and used command line; gentoo user had to use VNC!). Installing on Ubuntu was hard too.

Someone asked "what does pch=1 do?" (in the call to legend)

drj11

from __future__ import print_function

class S():
    _ = print("executing class S")
    x = 1
    y = x

print("S.y", S.y)

try:

drj11

#!/usr/bin/env python3
def it():
  x=1
  yield 1
  "{:d}".format(x.bit_length) # try changing to assert 0
  yield 2

print(max(*it()))

drj11

consultation document https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/510987/BIS-16-165-consultation-on-moving-land-registry-operations-to-the-private-sector.pdf

the consultation makes references to "Autumn Statement" and "the Chancellor" (executive summary, para 2, page 5) without further explanation or reference to these documents and roles. That detracts from the clarity of the consultation document.

executive summary, para 3, page 5, asserts that the Land Registry underpins a valuable property market, without qualifying that by explaining that not all land (or even owned land) is in the registry.

drj11

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC8QHn4M2w2ZEIpYdx+dZDwhvWdrzotiHxG75EIRsDVdt/WdKKvMifFdj7j4i1nR1fzjEDusDIWw3y7JSagueE/vIGnEfV4mvxLQiM73X8c+7EgwF4LpD98BKR1HMvdgvqbSBQwxLnZJfVGjsxxkTl+UWzQVWIU4xFepfYcofinELdBCg3B8I5c96md0cL2XpUNINO9kLKxsDrlLGVw9w5q77HdDjthqkJhiPFebVa4mda4kwX0auCnp4XZe0WOOMYrvVLmL4RpyV80k3sBznl48b/tnCiDOjQV9q7+49l47+EVqXGnDfjMn0dmnGwGpeeqyTPksqwIa13IlPEbFzCT drj@ash

drj11

Consider http://tldp.org/LDP/abs/html/invoking.html

You are writing a script in shell. Should you chmod +x it so that instead of running it with sh thing you can run it with ./thing instead?

drj11

How to use strace to solve a mystery (with bash)

So I'm dabbling with iceberg, The University of Sheffield's HPC, and I finally get round to putting my .profile on there. And I remember that I don't like the way less clears the screen when I've finished reading a man page.

I need to set my LESS environment variable to -X. So I add that to my .profile. I do exec bash -l to emulate logging back in.