How can trim only (10) numbers in Python

Advertisements hashCode = 0x39505b04f1c2e5c03ea3 I want to see only 10 characters, How ? >Solution : If you want to see the first 10 characters: hashCode = ‘0x39505b04f1c2e5c03ea3’ print(hashCode[:10]) outputs: ‘0x39505b04’ If you want to instead see the last 10 characters: hashCode = ‘0x39505b04f1c2e5c03ea3’ print(hashCode[10:]) outputs: ‘f1c2e5c03ea3’

I want to add symbol at random place in string how can i do that?

Advertisements $string = "this is a string biggest string bigger than the string1 string"; $random_position = rand(0, strlen($string) – 1); $chars = "👴🏿👩🏿‍💻🧑🏿‍🚀🧚🏿🤦🏿‍♀️👬🏿🚣🏿‍♂️✡️♈️🈯️🆗👩🏾‍❤️‍👩🏼🧑🏼‍❤️‍🧑🏻"; $random_char = $chars[rand(0, strlen($chars) – 1)]; $newString = substr($string, 0, $random_position) . $random_char . substr($string, $random_position); echo $newString; this is my code and I want to add these symbols in my string… Read More I want to add symbol at random place in string how can i do that?

How to groupby multiple columns in pandas based on name?

Advertisements I want to create a new dataframe with columns calculated as means of columns with similar names from this dataframe: B6_i B6_ii B6_iii … BXD80_i BXD80_ii BXD81_i data … Cd38 0.598864 -0.225322 0.306926 … -0.312190 0.281429 0.424752 Trim21 1.947399 2.920681 2.805861 … 1.469634 2.103585 0.827487 Kpnb1 -0.458240 -0.417507 -0.441522 … -0.314313 -0.153509 -0.095863 Six1… Read More How to groupby multiple columns in pandas based on name?

Why is StreamWriter adding random bytes to a file?

Advertisements I’m trying to translate a virtual key code with ToAsciiEx() and write it to a debug file. For some reason, the output file contains a load of random trash bytes interspersed with the key codes I want to log. I’m importing ToAsciiEx() like this: [DllImport("user32.dll")] static extern int ToAsciiEx(uint uVirtKey, uint uScanCode, byte[] lpKeyState,… Read More Why is StreamWriter adding random bytes to a file?