explain what you were reading.
-Martin
[0] http://docs.python.org/dev/library/stdtypes.html#string-methods
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in for us to put right!!!)
:
: Pointers in the right direction very gratefully received!
Try again, keep with it, and recognize that these beasties are
awfully particular in what they accept. And, for good reason.
Best of luck, Lisi,
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* iif = if and only if
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the desired
: output. Anyone with a solution or push in the right direction?
Perhaps you did not know about enumerate?
t = ('a', 'b', 'c', 'd')
l = list()
for x in enumerate(t):
l.extend(x)
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for
homework, but, as tutors, we are very happy to help you understand
Python and how to make it do what you want.
-Martin
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of %s is %s' % (row[0], row[1],)
The above is trivial, but if you would like some more substantive
assistance, you should describe your problem in a bit more detail.
-Martin
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is a good place to be for such initial
explorations. There are a number of libraries that can help with
the mathematical operations and you will probably get many good
suggestions.
Welcome to the list,
-Martin
[0] http://wiki.python.org/moin/Python2orPython3
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Greetings Elaina,
I will echo Alan's remarks--it sounds like you are using a quite
specialized (specialised?) module. It is certainly not a module
with which I am familiar, not in the standard library, and not a
commonly encountered problem. I would classify this module as
domain-specific.
the date and time handling tools available in libraries,
rather than try to build your own.
Good luck,
-Martin
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= collections.defaultdict(collections.defaultdict)
a,b,c = range(3)
d[a][b] = c
d
defaultdict(type 'collections.defaultdict', {0: defaultdict(None, {1: 2})})
Have a look at the collections module. See if that scratches your
itch.
Good luck,
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process python /path/to/your/python/script.py
Enjoy,
-Martin
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:
csv.reader(f,delimiter='\t')
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Good luck and enjoy Python,
-Martin
[0] http://shop.oreilly.com/product/9780596007973.do
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a concrete task to approach is a good
way to learn.
Enjoy,
-Martin
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looking at the other sorts of things that you can
do with dictionaries.
Good luck,
-Martin
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techniques here (and the one Joel just posted):
http://mail.python.org/pipermail/tutor/2012-June/090025.html
-Martin
(You asked your question much more clearly this time and with a code
sample--so, keep it up and enjoy the Python.)
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= collections.defaultdict(int)
for line in lines:
words = line.strip().split()
for word in words:
summary[word] += 1
Lots of interesting features in the collections module...
-Martin
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if there were not more efficient ways of
accomplishing this.
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like this.
Alan's admonition bears repeating. Trapping all application I/O is
probably just fine for development, instrumenting and diagnosing,
but you may wish to support that in an easily removable manner,
especially if performance is paramount.
Good luck,
-Martin
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of the others on this list can help.
-Martin
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in range(2, int(n**.5)+1):
factor, mod = divmod(n,x)
if mod == 0:
pd.update((x,factor))
return list(pd)
Have a great day,
-Martin
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collections, as suggested by Peter Otten.
Enjoy and good luck!
-Martin
* Somebody will be certain to point out a language or languages
that provide some sort of facility to abstract the use of
multiple processors without the explicit use of threads.
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' is probably not quite what
you had wanted, but you should be able to adapt it pretty readily.
Good luck,
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[0] http://mail.python.org/pipermail/tutor/2010-December/080592.html
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you may have at your disposal, but also what data structures are
suited to your questions of your data.
: I am in need of the solution as client breathing down my neck.
They always do. Wear a scarf.
-Martin
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/reference/expressions.html#boolean-operations
http://docs.python.org/reference/expressions.html#summary
This may also be useful:
http://docs.python.org/library/stdtypes.html#numeric-types-int-float-long-complex
Good luck,
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approach I suggested
above), I'd suggest using your list variable directly!
varlist = []
for i in myfiles:
varlist.append( makeTuple( i ) )
Good luck,
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there are and what they do.
The strip() method is one of the first to learn. The split() should
be your second. Keep on going, and you'll find all sorts of goodies
in there. And, enjoy Python!
-Martin
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that you
as a developer have faced. That would also be interesting to me as
a technical interviewer.
-Martin
[0] http://www.quotationspage.com/quote/12220.html
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. (You are
looking at 'hashlib', correct?)
Good luck,
-Martin
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anything other than ASCII without this
(slightly hackish) hint.
Good luck,
-Martin
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print
# -- end of file
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-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.2 (GNU/Linux)
Comment: pgf-0.72 (http://linux-ip.net/sw/pine-gpg-filter/)
iD8DBQFKcFbwHEoZD1iZ+YcRApGhAJ9fJxjEigCeCZ7cpDSa9uCoAadl+QCfYkhI
7fR7P0mZRsBl4lbleqkDoqw=
=ns0F
, 40, 17, 19 ]
l = map( filt_seq, l )
Good luck,
- -Martin
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iD8DBQFKonmNHEoZD1iZ+YcRAme7AKDqThvHP6+3xbzBg1p48rxmY21ztgCdFYnA
,
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-BEGIN PGP SIGNATURE-
Version: GnuPG v2.0.9 (GNU/Linux)
Comment: pgf-0.72 (http://linux-ip.net/sw/pine-gpg-filter/)
iD8DBQFK9+MGHEoZD1iZ+YcRAhITAKCLGF6GnEMYr50bgk4vAw3YMRZjuACg2VUg
I7/Vrw6KKjwqfxG0qfr10lo=
=oi6X
-END PGP SIGNATURE
.
Each call to Cone only supplies a single argument.
... Cone(1.1),Cone(1.2) ...
- -Martin
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iD8DBQFLvGZJHEoZD1iZ
available in GNU mv (and cp),
I believe.
I'll second the recommendation for 'shutil', although you can have
some fun playing with recursion by building your tree flattener
using os.walk(), os.path.split() and os.path.join().
- -Martin
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-BEGIN PGP
python
modules. Much easier than building your own.
Good luck,
- -Martin
[0] http://sphinx.pocoo.org/
http://sphinx.pocoo.org/contents.html
http://pypi.python.org/pypi/Sphinx
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-list-tuple-bytearray-buffer-xrange
#
print 'slice out from your original data: ', data[1::2]
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Lutz has been
writing books on Python for almost as long as Python has been
around. So, good luck and ask questions here. There's quite a
group here willing to help.
-Martin
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of the oldest
scientific computational libraries available for Python.
Good luck,
-Martin
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? Let os.access() [1] do the bitmath for you:
os.access('/usr/bin/python', os.X_OK)
Good luck,
-Martin
[0] http://docs.python.org/2/library/stat.html
[1] http://docs.python.org/2/library/os.html#os.access
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not a performance bottleneck. If you can find the parts of
your skymaps5.py code that are the bottleneck, then you could post
it here.
I hadn't thought of using interpolate, myself, as I didn't even know
it existed.
Thanks and good luck,
-Martin
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://docs.python.org/3/library/logging.html
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tools (urllib, and
urllib2) unless you need that finer control.
This has a nice abstraction and, from your description, I think this
would be a good fit:
http://docs.python-requests.org/en/latest/
-Martin
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for them. Keep reading. Hire them.
Keep writing. Keep reading.
[3] Oops. I learned on BASIC. I hope I do not get banned from
the list.
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/multiprocessing.html
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Greetings Alessandro,
: We are currently investigating different languages and technologies to
: develop an command line administration utility.
: Python is one of the options we are looking at for the job but currently we
: have no relevant skill set so I thought I'd post some question to
.
Happy trails and good luck,
-Martin
[0]
https://apps.db.ripe.net/search/query.html?searchtext=25.0.0.0/8source=RIPE#resultsAnchor
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documentation:
https://docs.python.org/2/ # -- Python-2.7.x
https://docs.python.org/3/ # -- Python-3.4.x
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= pattern.search(s,0)
while matched:
endpos = matched.end()
print(matched.group(0), matched.start(), matched.end())
matched = pattern.search(s, endpos)
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-are-the-differences-between-json-and-simplejson-python-modules
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, then maybe that's a better
option for you.
If you can not do so, then take this older version of simplejson.
You are at that place of last resort to which the simplejson authors
allude.
How do you like it at that resort? Would I want to go on vacation
there?
-Martin
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clear question and letting us know your OS and
Python version, as well.
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)) for x in values if key ==
x[0]]
[('a', 1, 2656), ('a', 5, 4510)]
Good luck,
-Martin
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that this was fixed.
Apologies!
-Martin
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on to json.dump() and json.load() to put your
data into files.
-Martin
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://groups.google.com/forum/#!forum/sqlalchemy
[2] 'The IRC channel is on the Freenode network as #sqlalchemy.'
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a certain
routine activity'. So, it may surprise some folk if a process died
after receiving a HUP. This may be desirable--it depends entirely
on what your software does.
Stopping and starting are hard!
-Martin
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...
https://mailman-mail5.webfaction.com/listinfo/lxml
... or maybe the Pandas mailing list:
https://groups.google.com/forum/#!forum/pydata
Best of luck,
-Martin
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?
For understanding and using a DataFrame, you'd probably be better
off asking on the pandas mailing list.
... or maybe the Pandas mailing list:
https://groups.google.com/forum/#!forum/pydata
May the Python never release you from its grip!
-Martin
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':
import sys
validate_files(sys.argv[1:])
# -- end of file
[0] http://en.wikipedia.org/wiki/Functional_programming
[1] https://docs.python.org/2/library/tempfile.html#module-tempfile
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, and threatening
(which is cognate to the contemporary German word 'lauern')
And, I dairy not chase this pun any further
-Martin
[0] http://www.merriam-webster.com/dictionary/lower
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!
Good luck,
-Martin
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slapdash
answers, that this one comes as a huge surprise.)
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[0]
https://docs.python.org/3/library/stdtypes.html#sequence-types-list-tuple-range
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] https://docs.python.org/2/library/difflib.html
[1] https://docs.python.org/3/library/exceptions.html#Exception
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. You will be able to figure out exactly which xpath gets
you the data you would like, and then you can drop it into your
script.
Good luck,
-Martin
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fair sun and kill the envious moon
Who is already sick and pale with grief
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12.8 seconds to count through the loop. So,
before accounting for any work that you plan to undertake inside the
loop, you have a runtime of ~115 seconds.
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the variable and throwing away
anything that was there before..
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Hi there,
In [1]: help list
File ipython-input-1-823a3ff84bc4, line 1
help list
^
SyntaxError: invalid syntax.'
Question: What is the correct help command?
Try:
help(list)
Snipped from my ipython session:
In [1]: help(list)
Good luck,
-Martin
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ange you want to display, you don't need to mess with the axes.
See their tutorial:
http://matplotlib.org/users/pyplot_tutorial.html
Good luck and enjoy!
-Martin
[0] http://ipython.org/
[1] http://ipython.org/notebook.html
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__
https://docs.python.org/3/tutorial/controlflow.html
If you have more specific details on what you are trying to
accomplish and/or learn, then send along those questions!
Good luck as you get started,
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;)
I would, therefore write your program like this:
input1 = raw_input("Input1:")
f = open("check.txt", "w")
f.write(input1 + "\n")
f.close()
f = open("check.txt", "r")
for line in f:
rovement would be to only prepend the PYTHONPATH and
required colon if there's a value to PYTHONPATH already. So, this
little beautifully obnoxious bash parameter expansion gem will
accomplish that for you:
PYTHONPATH="${PYTHONPATH:+$PYTHONPATH:}/home/alex/Py&
he benefit, then, of your code being agnostic (or
extensible) to the serialization tool.
By the way, did you know that pandas.to_csv() [0] also exists?
-Martin
[0]
http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.to_csv.html
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. You'll see that I didn't have a mess of unsigned integers
hanging around in a file, so you can see how I generated and
stored them in write_data and gen_data).
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out at the intercative prompt. Perhaps this is what
you are looking for?
>>> import random
>>> import string
>>> l = list(string.lowercase)
>>> random.sample(l, 7)
['z', 'h', 'e', 'n', 'c', 'f', 'r']
Best of luck,
-Martin
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/sftp.
Good luck,
-Martin
[0] http://www.networksorcery.com/enp/protocol/icmp/msg3.htm
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d access, use ssh/scp/sftp.
Good luck,
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[0] http://www.networksorcery.com/enp/protocol/icmp/msg3.htm
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bout my code. Note that it solves Problem B,
providing one possible example. This appears not to be what you
want. It will not enumerate all possible examples.
Good luck and enjoy the remainder of your weekend, Marcus,
-Martin
-Ursprüngliche Nachricht-
Von: Martin A. Brown [mailto:mar...@lin
experience in combinatorics to guide you in thinking
properly (and clearly) about this problem and that is where you are
stuck at the moment. Sorry I can't help you much further.
Good luck, Marcus,
-Martin
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-statistics
Thggere are other, richer tools in third-party libraries if you are
looking for more advanced tools. But, perhaps you only need to
start with the above.
Good luck,
-Martin
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IJ')
pcount = 2 # players per game
gcount = 3 # games per match
rcount = 7 # rounds (of matches)
matches = generate_rounds(players, pcount, gcount, rcount)
lo
ast Antivirus-Software auf Viren geprüft.
https://www.avast.com/antivirus
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contain anywhere from zero
keys (the value is not present in any list in the dictionary values)
OR all keys (the value is present in every list in the dictionary
values). {Whew.}
Good luck and have fun,
-Martin
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_
orkan
faktor_1, faktor_2 = faktorisasi(n)
print faktor_1
print faktor_2
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I would like to have some Onion soup, the Crab cake, Rum and a
Caesar, please.
Good luck,
-Martin
--
Martin A. Brown
http://linux-ip.net/
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ing a text apart by paragraph. Think about how this applies to
your problem:
http://code.activestate.com/recipes/66063-read-a-text-file-by-paragraph/#c1
N.B. The code example may not be utterly perfect, but it is
precisely the same problem that you are having.
Good luck and enjoy,
-Martin
--
Martin A. Brown
http://linux-ip.net/
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gies depending on what you are doing with
the software and the environment in which you are working.
Good luck and have fun with Python in 2016, since you have arrived
there before the rest of us,
-Martin
P.S. Two questions: should I buy some some YHOO stock and should I
sell my Euros?
-
it an experienced Windows/POSIX user trying to understand
open() in Python if it were available in the standard documentation.
Thanks for mapping this to common operating systems. I had inferred
this already, but this is a great summary.
-Martin
--
Martin A. Brown
http://linux-ip.net/
kernel).
So, take control of the data back into your own hands by taking
adavantage of the beauty of the filesystem.
Filesystem atomicity!
Good luck,
-Martin
[0] Or just about as close as conceivably possible to atomic as you
can be guaranteed in userspace applications.
--
Mart
sorting, computation, calculation or
range-finding. Also, if you have a smaller block of code and data,
we may find it easier to make specific suggestions.
And, one last general comment Unless you have a specific reason
why not to do so, it's best to convert and decode inputs into a
canon
errors.
Good luck,
-Martin
--
Martin A. Brown
http://linux-ip.net/
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fine_in_instance()
c.oh_there_it_is()
# -- newly defined instances will get the default class attribute
d = MyClass()
d.oh_there_it_is()
--
Martin A. Brown
http://linux-ip.net/
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ractions and really
just want an individual thingy that that behaves like a file, but
can be constructed in memory, use StringIO (or cStringIO).
Good luck!
-Martin
--
Martin A. Brown
http://linux-ip.net/
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nt an individual thingy that that behaves like a file, but
>> can be constructed in memory, use StringIO (or cStringIO).
>
>Isn't option D what Danny was using to make option B? Or are you
>saying keep things even simpler?
Oh dear--yes. Apologies, Danny and boB.
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