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Cron jobs and random times, within given hours
...eate one cron job launching 20 randomly scheduled at jobs. The at utility (http://unixhelp.ed.ac.uk/CGI/man-cgi?at) is used for executing commands at specified time.
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How exactly to use Notification.Builder
...to the Support Package so we can use this to support API level v4 and up:
http://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder.html
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How to parse a string into a nullable int
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@Chris, the compiler doesn't like your inline if statement (These types are not compatible: 'int' : 'null'). I had to amend it to: return Int32.TryParse(s, out i)? (int?)i : null;
– death_au
Jan 25 ...
Good ways to sort a queryset? - Django
...jango 1.4 and newer you can order by providing multiple fields.
Reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#order-by
order_by(*fields)
By default, results returned by a QuerySet are ordered by the ordering tuple given by the ordering option in the model’s Meta. You can...
Archive the artifacts in Jenkins
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Learning Regular Expressions [closed]
...gramming language you're using. Languages such as Perl remove most of this complication, but you'll have to keep in mind other considerations if you're using regular expressions in a C program.
If you think of regular expressions as building blocks that you can mix and match as you please, it helps...
Iterating over all the keys of a map
...e gotcha, note that the order of the iteration is undefined. groups.google.com/d/msg/golang-nuts/YfDxpkI34hY/4pktJI2ytusJ
– mna
Sep 22 '12 at 2:18
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What is the easiest way to push an element to the beginning of the array?
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In Clojure how can I convert a String to a number?
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When to use PNG or JPG in iPhone development?
... you should consider crushing the PNGs on the server before the download.
http://www.cocoanetics.com/2011/10/avoiding-image-decompression-sickness/
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