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How can I check if character in a string is a letter? (Python)

I know about islower and isupper , but can you check whether or not that character is a letter? For Example: 6 Answers ...
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HTML table headers always visible at top of window when viewing a large table

I would like to be able to "tweak" an HTML table's presentation to add a single feature: when scrolling down through the page so that the table is on the screen but the header rows are off-screen, I would like the headers to remain visible at the top of the viewing area. ...
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Useful code which uses reduce()? [closed]

Does anyone here have any useful code which uses reduce() function in python? Is there any code other than the usual + and * that we see in the examples? ...
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Save the console.log in Chrome to a file

Does anyone know of a way to save the console.log output in Chrome to a file? Or how to copy the text out of the console? ...
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How to create a temporary directory/folder in Java?

Is there a standard and reliable way of creating a temporary directory inside a Java application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ? ...
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Executing periodic actions in Python [duplicate]

I am working on Windows. I want to execute a function foo() every 10 seconds. 9 Answers ...
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What's the idiomatic syntax for prepending to a short python list?

list.append() is the obvious choice for adding to the end of a list. Here's a reasonable explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is ...
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Array versus List: When to use which?

What are the scenarios when one is preferable over the other? And why? 16 Answers 16 ...
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Equivalent of typedef in C#

Is there a typedef equivalent in C#, or someway to get some sort of similar behaviour? I've done some googling, but everywhere I look seems to be negative. Currently I have a situation similar to the following: ...
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sed one-liner to convert all uppercase to lowercase?

I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.' ...