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How to write DataFrame to postgres table?
...ct (db_parm, username_parm, host_parm, pw_parm):
# Parse in connection information
credentials = {'host': host_parm, 'database': db_parm, 'user': username_parm, 'password': pw_parm}
conn = psycopg2.connect(**credentials)
conn.autocommit = True # auto-commit each entry to the databas...
NameError: global name 'unicode' is not defined - in Python 3
...python2 and 3 as I did, this might help someone
import sys
if sys.version_info[0] >= 3:
unicode = str
and can then just do for example
foo = unicode.lower(foo)
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Rails 3: I want to list all paths defined in my rails application
...fficial way to see all the routes, by going to http://localhost:3000/rails/info/routes. Official docs: https://guides.rubyonrails.org/routing.html#listing-existing-routes
Though, it may be late, But I love the error page which displays all the routes. I usually try to go at /routes (or some bogus...
Get type of a generic parameter in Java with reflection
...o explain:
First, type erasure does not mean that the JDK eliminates type information at runtime. It's a method for allowing compile-time type checking and runtime type compatibility to coexist in the same language. As this block of code implies, the JDK retains the erased type information--it's ...
How to get image height and width using java?
...le in order to get dimensions while others get by just reading some header information from the image. I think these numbers may be useful when application performance is critical.
Thank you everyone for the contribution to this thread - very helpful.
...
Stacked Tabs in Bootstrap 3
...o use the Bootstrap 3 setup properly to do vertical tabs. tutsme-webdesign.info/bootstrap-3-toggable-tabs-and-pills
– Neil Monroe
Apr 25 '14 at 20:14
3
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How to stop IntelliJ truncating output when I run a build?
...h IntelliJ 11 (on the Mac at least), this setting is configured instead in Info.plist:
IDEA_HOME/Contents/Info.plist
There should already be a value there so just modify it instead of adding a new one.
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Do you use source control for your database items? [closed]
...type 3+ times. It's because knowing the source and target schema loses all information about schema migrations. If you refactor your schema, an enormous amount of information is blown away. We dropped our attempt to use that model and instead use incremental migration scripts that are carefully craf...
What's the best way to make a d3.js visualisation layout responsive?
...inline-block;
position: absolute;
top: 10px;
left: 0;
}
More info / tutorials:
http://demosthenes.info/blog/744/Make-SVG-Responsive
http://soqr.fr/testsvg/embed-svg-liquid-layout-responsive-web-design.php
sh...
Why doesn't .NET/C# optimize for tail-call recursion?
...
thanks for the information. This is white different then what I previously thought.
– Alexandre Brisebois
Sep 27 '11 at 13:49
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