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Open document with default OS application in Python, both in Windows and Mac OS

...eed to be able to open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python? ...
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What is the significance of 1/1/1753 in SQL Server?

...ith the greater range of datetime2 SELECT CONVERT(VARCHAR, DATEADD(DAY,-5,CAST('1752-09-13' AS DATETIME2)),100) Returns Sep 8 1752 12:00AM One final point with the datetime2 data type is that it uses the proleptic Gregorian calendar projected backwards to well before it was actually invented ...
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Check whether a value is a number in JavaScript or jQuery [duplicate]

...this is probably what you need. isFinite(val) Returns true if val, when cast to a String, is a number and it is not equal to +/- Infinity /^\d+$/.test(val) Returns true if val, when cast to a String, has only digits (probably not what you need). ...
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How to refer to relative paths of resources when working with a code repository

We are working with a code repository which is deployed to both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)? ...
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Python recursive folder read

I have a C++/Obj-C background and I am just discovering Python (been writing it for about an hour). I am writing a script to recursively read the contents of text files in a folder structure. ...
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Using isKindOfClass with Swift

...nted out in @Kevin's answer, the correct way would be to use optional type cast operator as?. You can read more about it on the section Optional Chaining sub section Downcasting. Edit 2 As pointed on the other answer by user @KPM, using the is operator is the right way to do it. ...
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Type definition in object literal in TypeScript

... The DRY (Don't Repeat Yourself) option by @Rick Love with the cast operator seems mucho neater. Just commenting, not downvoting... – spechter Nov 17 '17 at 0:43 ...
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How to open every file in a folder?

...have a python script parse.py, which in the script open a file, say file1, and then do something maybe print out the total number of characters. ...
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How to get all of the immediate subdirectories in Python

... return the full path to all current subdirectories. tl;dr: Always use scandir: list_subfolders_with_paths = [f.path for f in os.scandir(path) if f.is_dir()] Bonus: With scandir you can also simply only get folder names by using f.name instead of f.path. This (as well as all other functions b...
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Concatenate multiple result rows of one column into one, group by another column [duplicate]

...ase. string_agg() expects data type text as input. Other types need to be cast explicitly (actor::text) - unless an implicit cast to text is defined - which is the case for all other character types (varchar, character, "char"), and some other types. As isapir commented, you can add an ORDER BY c...