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Case insensitive comparison of strings in shell script
The == operator is used to compare two strings in shell script. However, I want to compare two strings ignoring case, how can it be done? Is there any standard command for this?
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How to test which port MySQL is running on and whether it can be connected to?
I have installed MySQL and even logged in there as a user.
13 Answers
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SQL Update with row_number()
I want to update my column CODE_DEST with an incremental number. I have:
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
Below is the error message I receive in the debug area. It runs fine and nothing is wrong except that I receive this error. Would this prevent apple accepting the app? How do I fix it?
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Can I export a variable to the environment from a bash script without sourcing it?
Suppose that I have this script
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Best way to test for a variable's existence in PHP; isset() is clearly broken
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What is a simple command line program or script to backup SQL server databases?
I've been too lax with performing DB backups on our internal servers.
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In Django, how do I check if a user is in a certain group?
I created a custom group in Django's admin site.
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Diff Algorithm? [closed]
...n O(ND) Difference Algorithm and its Variations is a fantastic paper and you may want to start there. It includes pseudo-code and a nice visualization of the graph traversals involved in doing the diff.
Section 4 of the paper introduces some refinements to the algorithm that make it very effective....
Perform .join on value in array of objects
If I have an array of strings, I can use the .join() method to get a single string, with each element separated by commas, like so:
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