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Can I use a :before or :after pseudo-element on an input field?
I am trying to use the :after CSS pseudo-element on an input field, but it does not work. If I use it with a span , it works OK.
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What is the difference between ELF files and bin files?
The final images produced by compliers contain both bin file and extended loader format ELf file ,what is the difference between the two , especially the utility of ELF file.
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How to use if - else structure in a batch file?
I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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Is a GUID unique 100% of the time?
Is a GUID unique 100% of the time?
22 Answers
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Namespace not recognized (even though it is there)
I am getting this error:
20 Answers
20
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How to validate a url in Python? (Malformed or not)
I have url from the user and I have to reply with the fetched HTML.
10 Answers
10
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How to declare variable and use it in the same Oracle SQL script?
I want to write reusable code and need to declare some variables at the beginning and reuse them in the script, such as:
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Right HTTP status code to wrong input
What is optimal HTTP response Code when not reporting 200 (everything OK) but error in input?
6 Answers
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How to add a new audio (not mixing) into a video using ffmpeg?
I used a command like:
7 Answers
7
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Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
I'm running the following MySQL UPDATE statement:
17 Answers
17
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