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Cron job every three days

... Run it every three days... 0 0 */3 * * How about that? If you want it to run on specific days of the month, like the 1st, 4th, 7th, etc... then you can just have a conditional in your script that checks for the current day of the month. if (((date('j') -...
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Jenkins Host key verification failed

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What is the Ruby (spaceship) operator?

... 369 Perl was likely the first language to use it. Groovy is another language that supports it. Bas...
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How to correctly use “section” tag in HTML5?

... listed explicitly in the document's outline. Reference: http://www.w3.org/TR/html5/sections.html#the-section-element http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-section-element Also see: http://html5doctor.com/the-section-element/ http://www.impressiveweb...
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resizes wrong; appears to have unremovable `min-width: min-content`

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Removing multiple keys from a dictionary safely

... answered Jan 24 '12 at 23:20 GlaslosGlaslos 2,57811 gold badge1616 silver badges2929 bronze badges ...
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Proper REST response for empty table?

... 233 I'd say, neither. Why not 404 (Not Found) ? The 404 status code should be reserved for situat...
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When to use SELECT … FOR UPDATE?

... | edited May 18 '13 at 7:15 Gili 72.3k7575 gold badges325325 silver badges598598 bronze badges a...
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What is the difference between trie and radix trie data structures?

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Why do we use arrays instead of other data structures?

...al memory). For example, let's say we have an array with 6 numbers (6,4,2,3,1,5) in it, in memory it would look like this: ===================================== | 6 | 4 | 2 | 3 | 1 | 5 | ===================================== In an array, we know that each element is next to each othe...