I'm not a scientific programmer. In fact, I haven't been a professionally
paid developer/dev mgmt for 8 years. However, being able to quickly code up
a solution to a problem, to perform my own research on our data, and
generate my own reports has proven to be highly valuable to my career on
the
Hi Rajn,
I found that trying to use pre-packaged versions of python gave me a lot of
trouble. You might be able to figure out, but I wasn't able to get
enthought or anaconda to work well. So I use the standard 2.7.3 version of
python already pre-installed. Then I run the following to get numpy,
Also, I just got around installing an ubuntu vm from scratch on my work
laptop. This process takes about an hour in total (mostly due to
downloading the .iso and updates).
I just finished with it and julia started right up. (this assumes you are
installing on a 64 bit windows platform.)
It's u
Is there a specific reason that you must build julia from source? I use the
nightly builds and haven't had many issues. I've built a project that makes
use of matplotlib and calls out to 3rd party apis and haven't found any
instances where using the nightly builds has been an obstacle.
On Satu
That makes sense. I think the issue is my ingrained perspective on objects
from oo programming. It didn't occur to me to think of a constructor as an
ordinary function ;)
On Saturday, January 25, 2014 2:10:12 PM UTC-5, Steven G. Johnson wrote:
>
> The basic issue is that you can't overload funct
Rajn,
If I could make a recommendation, perhaps you might find more success with
ubuntu 12.04 on a virtual machine on your windows machine. I have step by
step instructions here:
http://juliaforall.blogspot.com/2014/01/installation-and-configuration-vm.html
Then to get matplotlib working these
Thank you for your post!! This has helped me tremendously with plotting
TimeSeries data.
I couldn't figure out how to instantiate the DateFormatter to format the
axis.
In python =>matplotlib.dates.DateFormatter("%b %d")
This doesn't work in julia:
@pyimport matplotlib.dates as mdates
dtf =
To check Jacob's suggestion about versions mismatch I completely removed
the DataFrames and ODBC packages using Pkg.rm and physically deleted the
directories from disk. I then added them via Pkg.add and Pkg,update.
I am running the julia nightlies build.
julia> versioninfo()
Julia Version 0.3.
I'm using ODBC and DataFrames to query a database and just started getting
this error on a query return:
df = query("select * from tb1")
ERROR: no method display(DataFrame)
in display at multimedia.jl:159
df is populated correctly, but the error halts the running of my code.
Pointing a new D
Corrected code in case it helps anyone looking at ccall and cfunction for
the first time (fixed unnecessary parens and void return type in functions)
> Using Match
>
> typealias Handle Ptr{Void}
> typealias SessionStatus Cint
>
> lib = string(lib_path,"/../lib/libXC")
>
> dlopen(lib)
>
> functio
Thanks Ivar! That was exactly the problem. It works perfectly without the
unnecessary parens. I had to laugh at myself on this one. I spent almost
two hours reading and re-reading everything I could on ccall and cfunction.
The simple answer was in front of me the whole time. It's funny how the
I've been working on calling a c lib from julia. I can open the library and
basic functions are working fine. However, I am stumped on the ccalls
making use of callbacks. I've read through the documentation and am just
not able to spot what I am doing wrong. (Admittedly, my C is very rusty.)
Be
workable, I still felt that achieving the appropriate
> auto-indentation was a lot more natural. If you're interested, I'd suggest
> that you try my little hack that I posted above. It eliminates the need for
> any compensatory tabbing.
>
> On Wednesday, January 15, 2014 11:
The default behavior for me is for 'end' to be indented incorrectly after
pressing enter. However, pressing the tab key while anywhere on that line will
correct the indentation. In fact, pressing tab on any line will correct the
indentation. I found it to be very handy after I got used to it.
>
> Try adding this:
>
>1. sudo add-apt-repository ppa:staticfloat/julia-deps
>2. sudo apt-get update
>3. sudo apt-get install julia
>
>
Try adding this:
1. sudo add-apt-repository ppa:staticfloat/julia-deps
2. sudo apt-get update
3. sudo apt-get install julia
On Wednesday, January 15, 2014 4:30:31 AM UTC-5, Prokop Hapala wrote:
>
> I tried instal julia according the recomandation form PPA
>
> $ sudo add-apt-repository
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