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Heroku deployment error H10 (App crashed)

I have a RoR app working on my local computer, but when I send it to heroku, it crashes. The error log gives an error H10 & says: ...
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Determine whether JSON is a JSONObject or JSONArray

...n array tokenizer is able to return more types: http://developer.android.com/reference/org/json/JSONTokener.html#nextValue() share | improve this answer | follow ...
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Solving a “communications link failure” with JDBC and MySQL [duplicate]

... I have had the same problem in two of my programs. My error was this: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. I spent ...
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When do you use Java's @Override annotation and why?

...de a method for two benefits. Do it so that you can take advantage of the compiler checking to make sure you actually are overriding a method when you think you are. This way, if you make a common mistake of misspelling a method name or not correctly matching the parameters, you will be warned tha...
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Check if a string has white space

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chart.js load totally new data

...This answer works, but I found destroy also works in the latest version. Recommended on this post - github.com/nnnick/Chart.js/issues/559 – HockeyJ Nov 11 '14 at 15:49 ...
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How to get Sinatra to auto-reload the file after each change?

...works for every scenario is technically impossible. Which is why we recommend you to do out-of-process reloading. First you need to install rerun if you haven’t already: $ gem install rerun Now if you start your Sinatra app like this: $ ruby app.rb All you have to do for r...
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QString to char* conversion

... I completely agree. However, the question asked about char*, not char const*, and your answer simply ignores that fact without mention. – Lightness Races in Orbit Nov 16 '12 at 16:48 ...
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What is the minimum I have to do to create an RPM file?

... debug_package %{nil} %define __os_install_post %{_dbpath}/brp-compress Summary: A very simple toy bin rpm package Name: toybinprog Version: 1.0 Release: 1 License: GPL+ Group: Development/Tools SOURCE0 : %{name}-%{version}.tar.gz URL: http://toybinprog.company.com/ BuildRoot: %{_tmppa...
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Where is Xcode's build folder?

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