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How do I create a crontab through a script
... used to control different cron tasks (control-marker-1, control-marker-2, etc...): (crontab -l 2>/dev/null | grep -v control-marker-1; echo '*/5 * * * * /path/to/job -with args #control-marker-1') | crontab -
– chef
Dec 25 '16 at 10:39
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How to automatically start a service when running a docker container?
... @KarlMorrison docker exec -it <CONTAINER NAME> mysql /etc/init.d/mysqld restart
– kaiser
Mar 14 '16 at 0:46
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vs vs for inline and block code snippets
...<textarea> which gives a lot of control over width/height, scrolling etc. Noting that @vsync mentioned the deprecated tag <xmp>, I find <textarea readonly> is an excellent substitute for displaying HTML without the need to escape anything inside it (except where </textarea> m...
Why use AJAX when WebSockets is available?
...tive games, dynamic media streams, bridging to existing network protocols, etc).
However, there is certainly an overlap in purpose between WebSockets and AJAX/Comet. For example, when the browser wants to be notified of server events (i.e. push) then Comet techniques and WebSockets are certainly bo...
Where do I put image files, css, js, etc. in Codeigniter?
...application outside your documentroot,(public_html, htdocs, public, www... etc)
Inside your public folder, you should put your public info, what the browsers can see, its common to find the folders: images, js, css; so your structure will be:
|- system/
|- application/
|---- models/
|---- views/
|...
Are foreign keys really necessary in a database design?
...s means that if you have one table containing users and another containing orders or something, then deleting a user could automatically delete all orders that point to that user.
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How to make script execution wait until jquery is loaded
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It would be better to investigate the loading order of scripts. I found that if the script tag that loads jQuery had a defer attribute, it would cause the problem by not loading until later, despite the code-defined order of scripts.
– ADTC
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Class Not Found Exception when running JUnit test
...rary but that was under the Libraries tab. Then I went to Build Path -> Order & Export -> as was able to move Maven Dependencies above JRE System library. Then I built the project and ran a Maven install, then the test ran successfully.
– Megan
Aug 2...
When and why should I use a namedtuple instead of a dictionary? [duplicate]
...dname': firstvalue, 'secondfield': secondvalue}
Finally, namedtuples are ordered, unlike regular dicts, so you get the items in the order you defined the fields, unlike a dict.
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Use a list of values to select rows from a pandas dataframe [duplicate]
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How would you return these values in the order of the list? For example, list_of_values has values 3 then 6 but the frame is returned with 6 then 3. I'm not talking about a simple sort, rather how specifically can we return in the order of the values in the list.
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