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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)

... have my first node.js app (runs fine locally) - but I am unable to deploy it via heroku (first time w/ heroku as well). The code is below. SO doesn't let me write so much code, so I would just say that the running the code locally as well within my network shows no issue. ...
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Error inflating class fragment

...import android.support.v4.app.Fragment; And also make sure that the Activity that is using the fragment(s) extends FragmentActivity instead of the regular Activity, import android.support.v4.app.FragmentActivity; to get the FragmentActivity class. ...
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How to check if bootstrap modal is open, so i can use jquery validate

i need to make a validation only if a modal is open, because if i open it, and then i close it, and the i press the button that opens the modal it doesn't work because it is making the jquery validation, but not showing because the modal was dismissed. ...
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What is the effect of encoding an image in base64?

If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be? ...
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Maven command to determine which settings.xml file Maven is using

... Start maven with -X option (debug) and examine the beginning of the output. There should be something like this: ... [INFO] Error stacktraces are turned on. [DEBUG] Reading global settings from c:\....\apache-maven-3.0.3\conf\settings.xm...
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Renaming the current file in Vim

... There's a little plugin that let's you do this. share | improve this answer | follow | ...
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Get checkbox value in jQuery

... $("input[type='checkbox']").val(); Or if you have set a class or id for it, you can: $('#check_id').val(); $('.check_class').val(); However this will return the same value whether it is checked or not, this can be confusing as it is different to the submitted form behaviour. To check whether ...
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Change default text in input type=“file”?

... Each browser has it's own rendition of the control and as such you can't change either the text or the orientation of the control. There are some "kind of" hacks you may want to try if you want an html/css solution rather than a Flash or si...
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How to rename a single column in a data.frame?

I know if I have a data frame with more than 1 column, I can use 20 Answers 20 ...
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ORA-01882: timezone region not found

...r (version 11.2.0.3.0) to connect to an Oracle 9.2.0.4.0 server. Replacing it with ojdbc6.jar version 11.1.0.7.0 solved the issue. I also managed to make ojdbc6.jar version 11.2.0.3.0 connect without error, by adding oracle.jdbc.timezoneAsRegion=false in file oracle/jdbc/defaultConnectionProperties...