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How do you match only valid roman numerals with a regular expression?
Thinking about my other problem , i decided I can't even create a regular expression that will match roman numerals (let alone a context-free grammar that will generate them)
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Regex replace uppercase with lowercase letters
I'm trying to replace uppercase letters with corresponding lowercase letters using regex.
So that
6 Answers
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How can I count the occurrences of a list item?
Given an item, how can I count its occurrences in a list in Python?
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remove None value from a list without removing the 0 value
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How do I reset a sequence in Oracle?
In PostgreSQL , I can do something like this:
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How to create a cron job using Bash automatically without the interactive editor?
...r creating cron jobs without using the editor (crontab -e). If so, What would be the code create a cronjob from a Bash script?
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How do I get textual contents from BLOB in Oracle SQL
I am trying to see from an SQL console what is inside an Oracle BLOB.
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Recursively list all files in a directory including files in symlink directories
Suppose I have a directory /dir inside which there are 3 symlinks to other directories
/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...地球战略的组成部分。
侵删，来源：https://blog.sciencenet.cn/blog-858128-1286181.html
How to check certificate name and alias in keystore files?
I have a bunch of .keystore files and need to find one with specific CN and alias. Is there a way to do it with keytool, jarsigner or some other tool? I found a way to check if specific keystore was used to sign a specific apk, but I also need to get the alias and certificate name in each of the fil...