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How do I get the n-th level parent of an element in jQuery?
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268
Since parents() returns the ancestor elements ordered from the closest to the outer ones, you ...
How to create a MySQL hierarchical recursive query
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424
For MySQL 8+: use the recursive with syntax.
For MySQL 5.x: use inline variables, path IDs, or ...
What is the difference between `sorted(list)` vs `list.sort()`?
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329
sorted() returns a new sorted list, leaving the original list unaffected. list.sort() sorts the...
Closing multiple issues in Github with a commit message
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162
Closes #1, closes #2, closes #3; rest of commit message.
The closes clauses can be anywhere in ...
How do I perform HTML decoding/encoding using Python/Django?
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120
Given the Django use case, there are two answers to this. Here is its django.utils.html.escape...
Can't use NVM from root (or sudo)
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222
The below list of commands (source: digitalocean) seems to fix the problem
n=$(which node); \...
how to use ng-option to set default value of select element
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How to find Unused Amazon EC2 Security groups
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Note: this only considers security use in EC2, not other services like RDS. You'll need to do more work to include security groups used outside EC2. The good thing is you can't easily (might not even be possible) to delete active security groups if you miss one asso...
Tuning nginx worker_process to obtain 100k hits per min
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Config file:
worker_processes 4; # 2 * Number of CPUs
events {
worker_connections 19000; # It's the key to high performance - have a lot of connections available
}
worker_rlimit_nofile 20000; # Each connection needs a filehandle (or 2 if you are pr...