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Intercept page exit event

...some time to finish saving data'); }; break; }; }; // no return string --> user will leave as normal but data is send to server Edit: See also Synchronous_AJAX and how to do that with jquery share | ...
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Is duplicated code more tolerable in unit tests?

...ps you need some Custom Assertions. For example, if multiple tests have a string of assertions like: assertEqual('Joe', person.getFirstName()) assertEqual('Bloggs', person.getLastName()) assertEqual(23, person.getAge()) Then perhaps you need a single assertPersonEqual method, so that you can wri...
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Convert SVG to PNG in Python

...rt an svg to png , in Python? I am storing the svg in an instance of StringIO . Should I use the pyCairo library? How do I write that code? ...
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How to study design patterns? [closed]

... edited Jul 1 '18 at 11:35 AZ_ 34.4k2828 gold badges150150 silver badges197197 bronze badges answered Apr 19 '13 at 16:34 ...
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How do I get the number of days between two dates in JavaScript?

...umber value (milliseconds since the start of 1970). // new Date("dateString") is browser-dependent and discouraged, so we'll write // a simple parse function for U.S. date format (which does no error checking) function parseDate(str) { var mdy = str.split('/'); return new Date(mdy[...
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Show MySQL host via SQL Command

...ink you try to get the remote host of the conneting user... You can get a String like 'myuser@localhost' from the command: SELECT USER() You can split this result on the '@' sign, to get the parts: -- delivers the "remote_host" e.g. "localhost" SELECT SUBSTRING_INDEX(USER(), '@', -1) -- deli...
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Rails Model, View, Controller, and Helper: what goes where?

...he model (it treats the model as it's data in the same way you might treat strings and arrays as data in objects outside of Rails). Here's a good video with an example of this technique. – Joshua Cheek Dec 15 '11 at 11:13 ...
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Error: Could not find or load main class [duplicate]

...epackagename; public class TheClassName { public static final void main(String[] cmd_lineParams) { System.out.println("Hello World!"); } } Then calling: java -classpath . TheClassName results in Error: Could not find or load main class TheClassName. This is because it must be calle...
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RSpec: What is the difference between a feature and a request spec?

...would you recommend to use Rails paths (i.e visit users_path) or hardcoded strings (visit '/users')?. Personally, I prefer not to use any app internals in those kind of specs. – tokland Dec 3 '14 at 17:25 ...
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Are getters and setters poor design? Contradictory advice seen [duplicate]

...efinition imuttable is when you can't change it's value after created like String for example. So this in your example it's a bug Look at C# or language supoorting properties. – Sidi Jul 26 '11 at 20:39 ...