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How to convert Linux cron jobs to “the Amazon way”?
...hen certain CloudWatch stats aren't what they should be. We use cloud-init scripts to get the cronjobs running. Of course, this comes with a downtime, leading to missed cronjobs (when running certain tasks every minute, like we do).
Use the logic that rcron uses. Of course, the magic is not really i...
How to create a hex dump of file containing only the hex characters without spaces in bash?
...er answers are preferable, but for a pure Bash solution, I've modified the script in my answer here to be able to output a continuous stream of hex characters representing the contents of a file. (Its normal mode is to emulate hexdump -C.)
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Squash my last X commits together using Git
... in the "to-do" file. Using git merge --squash is also easier to use in a script. Essentially, the reasoning was that you don't need the "interactivity" of git rebase -i at all for this.
– Mark Longair
Jul 8 '13 at 15:59
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How do I select the parent form based on which submit button is clicked?
...l in one form, and I'd like to validate/etc all the forms with only one JS script.
5 Answers
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How to count the number of true elements in a NumPy bool array
... dedicated for this task? Or, do I need to iterate over the elements in my script?
3 Answers
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ALTER TABLE without locking the table?
...iggers now. I've used this technique and now I have a functional hot-alter script. With a progress bar. And it works with MyISAM. Life is good.
– Daniel
Jan 21 '09 at 12:10
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What is the proper way to check if a string is empty in Perl?
...veral people, eq is the right operator here.
If you use warnings; in your script, you'll get warnings about this (and many other useful things); I'd recommend use strict; as well.
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Normalizing mousewheel speed across browsers
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Original attempt to be correct follows.
Here is my first attempt at a script to normalize the values. It has two flaws on OS X: Firefox on OS X will produce values 1/3 what they should be, and Chrome on OS X will produce values 1/40 what they should be.
// Returns +1 for a single wheel roll 'u...
How to use Bash to create a folder if it doesn't already exist?
...nd in bash is such an eye-opener. I feel like a lot of issues with my bash scripts are now resolved!
– raluru
Nov 5 '19 at 11:13
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What would be a good docker webdev workflow?
... think you should have a separate container for db.
I am using just basic script:
#!/bin/bash
$JOB1 = (docker run ... /usr/sbin/mysqld)
$JOB2 = (docker run ... /usr/sbin/apache2)
echo MySql=$JOB1, Apache=$JOB2
Yes, you can use data-volumes -v switch. I would use this for development. You can use...