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How to access object attribute given string corresponding to name of that attribute
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There are built-in functions called getattr and setattr
getattr(object, attrname)
setattr(object, attrname, value)
In this case
x = getattr(t, 'attr1')
setattr(t, 'attr1', 21)
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How to write DataFrame to postgres table?
There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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Which regular expression operator means 'Don't' match this character?
...rs.
Instead of specifying all the characters literally, you can use shorthands inside character classes: [\w] (lowercase) will match any "word character" (letter, numbers and underscore), [\W] (uppercase) will match anything but word characters; similarly, [\d] will match the 0-9 digits while [\D]...
Regular expression to return text between parenthesis
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what if there is no '(' and ')'? you will get s[0:-1]. Which means you will get whatever in 's' :\. It will be good if you check that the string has parenthesis first.
– Omar
May 26 '16 at 1:21
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Relation between CommonJS, AMD and RequireJS?
I'm still very confused about CommonJS, AMD and RequireJS , even after reading a lot.
6 Answers
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.NET Process.Start default directory?
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Can the WorkingDirectory be a relative path, and if so, what is it relative to, the current file or the directory of the current executable? I'm having trouble getting my program to find the executable I'm trying to start. I've set the working directory to the directory...
What exactly does the enable-background attribute do?
... means that a UA cannot use it in the way it was intended to be used. That and the fact that it was pretty much impossible to implement the spec as written ensured its demise.
– Robert Longson
Sep 24 '14 at 15:37
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What's the difference between .so, .la and .a library files?
...re than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries?
1 Ans...
Private vs Public in Cache-Control
Can you please describe an example indicating difference between Public and Private Cache-Control in asp.net applications hosted in IIS.
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Git file permissions on Windows
I've read through a few questions regarding file permissions in Git and I'm still a bit confused. I've got a repo on GitHub forked from another. Post merge, they should be identical. However:
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