drj11

How to memorise ASCII

You don't need to memorise ASCII as there is a handy chart available by typing man ascii in a Terminal. However, you may find it useful to remember some fun facts about ASCII.

Blocks of 32 are useful. 32 is 2⁵ (2 raised to the power 5) and a block of 32 is enough to represent all 26 common english letters plus some extra stuff.

ASCII is a coding for the first 128 numbers. 0 to 127.

drj11

$ grep ^git ~/.bash_history | sort | uniq -c | sort -rn | head
     37 git diff
     22 git status
     20 git push origin HEAD
     16 git commit -a -v
      8 git rebase
      6 git fetch
      5 git commit -v
 5 git checkout develop

drj11

for current_attempt in range(MAX_DNS_ATTEMPTS):
    print("Checking for DNS record, attempt: {}/{}".format(current_attempt+1, MAX_DNS_ATTEMPTS))

    try:
        dns_answer = dns.resolver.query(host, 'TXT')

        if not dns_answer:
            continue

        for dns_rrset in dns_answer.rrset:

drj11

Pentose and glucuronate interconversions (KEGG)
Fructose and mannose metabolism (KEGG)
Lysine degradation (KEGG)
Starch and sucrose metabolism (KEGG)
Pantothenate and CoA biosynthesis (KEGG)
Nitrogen metabolism (KEGG)
Phase I, non P450 (Wikipathways)
Ganglio Sphingolipid Metabolism (Wikipathways)
Urea cycle and metabolism of amino groups (Wikipathways)
Biogenic Amine Synthesis (Wikipathways)

drj11

We would like you to have a look at the website http://pcxn.org/ and provide a brief critique of no more than 200 words.

To guide you, we've written out a suggestion to get you started (below). Please try this and spend about 10 minutes having a poke about. Write up your thoughts, paying particular attention to what you would do to improve things.

Please e-mail your written critique (200 words max) to david.r.jones@sheffield.ac.uk; Any questions or clarifications to the same e-mail address.

Suggested starting point.

drj11

Average CPU job: 4900 seconds

$ awk -F: '{print $35, $37}' 1percent | awk '{a+=$2};END{print a/NR}'
4852.23

Average number of cores, per CPU second

awk -F: '{print $35, $37}' 1percent | awk '{p+=$1*$2;a+=$2}; END {print p/a}'

drj11

2016-07-27

Observing a presentation that was mostly text on a white background, displayed on a projector.

• black on white - good
• green on white - terrible
• blue on white - legible, but difficult to distinguish from black
• light blue on white - ok
• cyan on white - mostly terrible
• red on white - ok

drj11

SRDS - SECTION A

2016-08-09 David Jones

1) Achievements

Delivey of Refinery platform on AWS. This is underway. A basic version works and it continues to be refined.

Contributed to planning of CGT.

drj11

def p():
    v = [0]
    def x():
        print(v)
    x()
    v = [7]
    x()

p()

drj11

a=[1]
b=['b']
c=['c']
b.append(a)
c.append(a)
print(b)
print(c)
b[1].append('xyz')
print(b)
print(c)