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Difference between natural join and inner join
...
One significant difference between INNER JOIN and NATURAL JOIN is the number of columns returned.
Consider:
TableA TableB
+------------+----------+ +--------------------+
|Column1 | ...
How to determine a Python variable's type?
...mine the variable type in Python?
So if you have a variable, for example:
one = 1
You want to know its type?
There are right ways and wrong ways to do just about everything in Python. Here's the right way:
Use type
>>> type(one)
<type 'int'>
You can use the __name__ attribute to ge...
Is there an S3 policy for limiting access to only see/access one bucket?
...ts have.
As cloudberryman explained, "You can either list all buckets or none.", so we have to come up with a work around. Background:
Granting ListAllMyBuckets rights to the user is needed so that AWS S3 console or S3Fox connect without an error message. But ListAllMyBuckets lists all buckets, re...
Why would you use an ivar?
...reduce your reference count operations and minimize peak memory usage (if done correctly).
Nontrivial Types
Example: If you have a C++ type, direct access is just the better approach sometimes. The type may not be copyable, or it may not be trivial to copy.
Multithreading
Many of your ivars are code...
how do I query sql for a latest record date for each user
...ing an IN (subquery) instead of the inner join?
– TheOne
Sep 7 '14 at 1:38
3
@TheOne as my experi...
Regex match one of two words
...lass=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49....
event.preventDefault() vs. return false
...er event handlers from executing after a certain event is fired, I can use one of two techniques. I'll use jQuery in the examples, but this applies to plain-JS as well:
...
Change one value based on another value in pandas
...
One option is to use Python's slicing and indexing features to logically evaluate the places where your condition holds and overwrite the data there.
Assuming you can load your data directly into pandas with pandas.read_csv ...
How can I stage and commit all files, including newly added files, using a single command?
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one could put that in it's own .sh or .bat file and just use it as one command. The message might be param1
– BlueWizard
Sep 29 '16 at 6:06
...
An algorithm for inflating/deflating (offsetting, buffering) polygons
...l applications without charge.
Polygon offsetting can be performed using one of three offset styles - squared, round and mitered.
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