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How to check which locks are held on a table
How can we check which database locks are applied on which rows against a query batch?
6 Answers
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Strip HTML from strings in Python
When printing a line in an HTML file, I'm trying to find a way to only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would o...
How to toggle a value in Python
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Solution using NOT
If the values are boolean, the fastest approach is to use the not operator:
>>> x = True
>>> x = not x # toggle
>>> x
False
>>> x = not x # toggle
>>> x
True
>>> x = not x # toggle
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How to show what a commit did?
A stupid way I know is:
5 Answers
5
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Calling JMX MBean method from a shell script
... libraries that would allow me to call a JMX MBean method from a shell script. We expose some operations/admin commands through JMX, and we could have our admins use JConsole, or VisualVM, but some tasks are better left to automation. In that automation we'd like to be able to call a JMX MBean metho...
Iterating C++ vector from the end to the beginning
Is it possible to iterate a vector from the end to the begin?
12 Answers
12
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rsync: how can I configure it to create target directory on server?
I would like to rsync from local computer to server. On a directory that does not exist, and I want rsync to create that directory on the server first.
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What is the difference between print and puts?
For example in this line of code I wrote, print and puts produce different results.
6 Answers
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How to track child process using strace?
I used strace to attach to a process briefly. The process created 90 threads. When I found the offending thread, I had to tediously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
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How do I grab an INI value within a shell script?
I have a parameters.ini file, such as:
27 Answers
27
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