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Finding what methods a Python object has

...t an AttributeError, you can use this instead: getattr( is intolerant of pandas style python3.6 abstract virtual sub-classes. This code does the same as above and ignores exceptions. import pandas as pd df = pd.DataFrame([[10, 20, 30], [100, 200, 300]], columns=['foo', 'bar',...
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How can I send an inner to the bottom of its parent ?

The div inside another div picture and code below. Because there will be text and images of the parent div. And red div will be the last element of the parent div. ...
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Troubleshooting BadImageFormatException

I have a Windows service written in C# using Visual Studio 2010 and targeting the full .NET Framework 4. When I run from a Debug build the service runs as expected. However, when I run it from a Release build I get a System.BadImageFormatException (details below). I've been searching the internet...
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How do I use LINQ Contains(string[]) instead of Contains(string)

...hod the sense of it would be wrong. [EDIT] Unless you changed it around and wrote it for string[] as Mitch Wheat demonstrates, then you'd just be able to skip the conversion step. [ENDEDIT] Here is what you want, if you don't do the extension method (unless you already have the collection of ...
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How to perform static code analysis in php? [closed]

... Run php in lint-mode from the command line to validate syntax without execution: php -l FILENAME Higher-level static analyzers include: php-sat - Requires http://strategoxt.org/ PHP_Depend PHP_CodeSniffer PHP Mess Detector PHPStan PHP-CS-Fixer phan Lowe...
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For loop for HTMLCollection elements

...x. So, to get the value from the pseudo-array, you'd have to do list[key] and to get the id, you'd do list[key].id. But, you should not be doing this with for/in in the first place. Summary (added in Dec 2018) Do not ever use for/in to iterate a nodeList or an HTMLCollection. The reasons to avo...
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How to loop through file names returned by find?

...st). If you have time, read through the rest to see several different ways and the problems with most of them. The full answer: The best way depends on what you want to do, but here are a few options. As long as no file or folder in the subtree has whitespace in its name, you can just loop over ...
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Why does Oracle 9i treat an empty string as NULL?

..., but that doesn't do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information. ...
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?

I see on Stack Overflow and PEP 8 that the recommendation is to use spaces only for indentation in Python programs. I can understand the need for consistent indentation and I have felt that pain. ...
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MySQL error code: 1175 during UPDATE in MySQL Workbench

...update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL editor from inside the workbench. I'm writing the following command: ...