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How do I get a Cron like scheduler in Python? [closed]
... twenty different ways to launch processes and monitor their progress. On unix platforms, cron is the old standard. On Mac OS X there is also launchd, which combines cron-like launching with watchdog functionality that can keep your process alive if that's what you want. Once python is running, th...
How to measure time taken by a function to execute
... The exception is that Date and now() times don't mix, as Date is based on unix-epoch (the number of milliseconds since 1970), while now() is the number of milliseconds since your page navigation started (so it will be much smaller than Date).
Here's an example of how to use now():
function a() {
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Is there a way to iterate over a range of integers?
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@lang2, for loops are not a first class citizen of Unix like they are in go. Besides, unlike for, seq streams to standard output a sequence of numbers. Whether or not to iterate over them is up to the consumer. Though for i in $(seq 1 10); do ... done is common in Shell, ...
How can I parse a YAML file from a Linux shell script?
...) and so I wanted to use YAML. I can't find any way of parsing this from a Unix shell script however.
17 Answers
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Add subdomain to localhost URL
...ns a specific domain and test things that way. For instance, if you have a UNIX-based operating system, open (as root) the file /etc/hosts and add a line (or lines) like this:
127.0.0.1 example.com
127.0.0.1 subdomain.example.com
Your computer will now treat both example.com and subdomain.e...
HMAC-SHA1 in bash
... should already be installed (or easily installed) in your choice of Linux/Unix, Cygwin and the likes.
Do note that older versions of openssl (such as that shipped with RHEL4) may not provide the -hmac option.
As an alternative solution, but mainly to prove that the results are the same, we can ...
Is there any way to kill a Thread?
...n program, and main programs can be killed abruptly by the user (Ctrl-C in Unix, for instance)–in which case they try to handle this possibility as nicely as possible. So, I fail to see what is special with threads, and why they should not receive the same treatment as main programs (namely that ...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...n't care about portability (these solutions should work on pretty much any UNIX box), Linux' fuser(1) offers some additional options and there is also flock(1).
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Django FileField with upload_to determined at runtime
... to use os.path.join instead of '/'.join to make sure it also works on not-Unix systems. They may be rare, but it's good practice ;)
– Xudonax
Feb 4 '14 at 14:26
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How can I tell if my server is serving GZipped content?
...impress one thing on my younger devs, its the importance of having a solid unix foundation. +1 for CURL. Its confusing at first, a life saver when you know it.
– Akron
Apr 12 '19 at 17:43
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