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My page often shows things like ë, Ã, ì, ù, à in place of normal characters I use utf8 for header page and MySQL encode How does this happen?
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I need a regex which will allow only A-Z, a-z, 0-9, the _ character, and dot ( ) in the input I tried: [A-Za-z0-9_ ] But, it did not work How can I fix it?
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Note I previously suggested blank instead of _blank because, if used, it'll open a new tab and then use the same tab if the link is clicked again However, this is only because, as GolezTrol pointed out, it refers to the name a of a frame window, which would be set and used when the link is pressed again to open it in the same tab
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In my project folder I created a venv folder: python -m venv venv When I run command select python interpreter in Visual Studio Code, my venv folder is not shown I went one level up like suggeste
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For handling a few strings in separate variables, see How do I append one string to another in Python? For the opposite process - creating a list from a string - see How do I split a string into a list of characters? or How do I split a string into a list of words? as appropriate
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I'm currently trying to port a C application to AIX and am getting confused What are a and so files and how are they used when building running an application?
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How do I count the number of occurrences of a character in a string? e g 'a' appears in 'Mary had a little lamb' 4 times
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The ^ anchor asserts that we are at the beginning of the string [a-z]{1} matches one lower-case letter The {1} is unneeded [a-z0-9_]{3,13} matches 3 to 13 chars In case-insensitive mode, in many engines it could be replaced by \w{3,13} The $ anchor asserts that we are at the end of the string Sample Matches abcd a_000 a_blue_tree See demo General Answers to "What Does this Regex Mean? You
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