A Python iterator to list all UTF8 characters

Thu 14 April 2016

Last week, I made up a basic TCP server in Python, to receive log lines. To split log lines, I used the ascii line feed ascii character : \n aka 0xa in hexadecimal. But then I wondered : could this byte appear elsewhere in the UTF8-encoded strings of text I was sending …

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• lang:en
• python
• iteration
• utf8
• character
• newline
• line-feed
• ascii
• code-point
• prog

Python 3 non consistent set & dict iteration gotcha

Mon 08 December 2014

Consider the following Python expression: print("".join(set("ABCDE"))) What do you think it produces ? Not necessarily "ABCDE". Right, but you would expect the result to be consistent, isn't it ? $ for i in {1..3}; do python2.7 -c 'print("".join(set("ABCDE")))'; done ACBED ACBED ACBED Great ! ... But with …

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• lang:en
• python
• dict
• security
• perl
• hash
• iteration
• gotcha
• backward-compatibility
• set
• ministat
• csvstat
• prog