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Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
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memcpy() vs memmove()
I am trying to understand the difference between memcpy() and memmove() , and I have read the text that memcpy() doesn't take care of the overlapping source and destination whereas memmove() does.
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MySQL Creating tables with Foreign Keys giving errno: 150
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What's the current state of your database when you run this script? Is it completely empty? Your SQL runs fine for me when creating a database from scratch, but errno 150 usually has to do with dropping & recreating tables that are part of a foreign key. I'm getting the feeling ...
Guid.NewGuid() vs. new Guid()
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How to list all properties of a PowerShell object
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This is very useful when scripting to know the type of data each field contains and to list all available field names without fetching data. Thanks!
– Yanick Girouard
Oct 18 '19 at 13:25
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Normal arguments vs. keyword arguments
How are "keyword arguments" different from regular arguments? Can't all arguments be passed as name=value instead of using positional syntax?
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How to get an element's top position relative to the browser's viewport?
...Parent.scrollTop : 0;
} while (node = node.offsetParent);
alert(curtop - curtopscroll);
}
}
The id argument is the id of the element whose offset you want. Adapted from a quirksmode post.
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rake db:schema:load vs. migrations
Very simple question here - if migrations can get slow and cumbersome as an app gets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all?
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Python - abs vs fabs
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MySQL vs PostgreSQL for Web Applications [closed]
I am working on a web application using Python (Django) and would like to know whether MySQL or PostgreSQL would be more suitable when deploying for production.
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