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Cron jobs and random times, within given hours

...m, it'd be a little more complicated to randomize the seconds as well. Finally, since the start times are random and independent of each other, it's possible (but not very likely) that two or more instances of the script will be started simultaneously. ...
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused

... e.g if your URL is like http://localhost:8080/Getdata.php or http://127.0.0.1:8080/Getdata.php then you have to change it as use http://10.0.2.2:8080/Getdata.php – Vikas Patidar Jan 30 '14 at 8:46 ...
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Safe characters for friendly url [closed]

... To quote section 2.3 of RFC 3986: "Characters that are allowed in a URI but do not have a reserved purpose are called unreserved. These include uppercase and lowercase letters, decimal digits, hyphen, period, underscore, and tilde." ALPHA DIGIT "-" / "." / "_" / "~" N...
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How to redirect to a 404 in Rails?

...ou want to show a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this: def not_found raise ActionController::RoutingError.new('Not Found') end Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way....
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How to detect duplicate values in PHP array?

I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array: ...
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How do I filter ForeignKey choices in a Django ModelForm?

... can populate the validation data by making using the super(...).__init__ call in your overridden method. If you are making several of these queryset changes its a lot more elegant to package them by overriding the init method. – michael Aug 7 '09 at 4:53 ...
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jQuery AJAX submit form

... interesting idea, however, i do not control the server side I am calling, therefore I cannot send it serialized data – Nathan H Dec 25 '09 at 1:45 26 ...
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PHP CURL CURLOPT_SSL_VERIFYPEER ignored

... Turning off the SSL verification pretty much removes all security of SSL anyway. You should fix your PHP configuration instead. – Scopey Aug 21 '17 at 22:31 7...
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Why doesn't this code simply print letters A to Z?

... @ShreevatsaR: actually, 'yz'+1 = 'za'. The first comparison that fails is 'za'<='z' – Milan Babuškov Nov 4 '10 at 20:48 ...
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How can I correctly prefix a word with “a” and “an”?

...uick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too). Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitiv...