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Error: could not find function … in R

I am using R and tried some.function but I got following error message: 10 Answers 1...
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TypeError: $.ajax(…) is not a function?

... Not sure, but it looks like you have a syntax error in your code. Try: $.ajax({ type: 'POST', url: url, data: postedData, dataType: 'json', success: callback }); You had extra brackets next to $.ajax which were not needed. If you still get the error, then th...
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How can I create an error 404 in PHP?

...esponse_code(404); include('my_404.php'); // provide your own HTML for the error page die(); die() is not strictly necessary, but it makes sure that you don't continue the normal execution. share | ...
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upstream sent too big header while reading response header from upstream

I am getting these kind of errors: 8 Answers 8 ...
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Is it possible to stop JavaScript execution? [duplicate]

... Short answer: throw new Error("Something went badly wrong!"); If you want to know more, keep reading. Do you want to stop JavaScript's execution for developing/debugging? The expression debugger; in your code, will halt the page execution, and...
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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds

...ed to create in Android Studio, all usages of R are marked in red with the error message "cannot resolve symbol R", but the compilation succeeds and the application runs. This is really annoying, as it blocks auto-completion and shows huge red waved lines all over my code. ...
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how to ignore namespaces with XPath

...ocument due to a 'The 'xmlns' attribute is bound to the reserved namespace error. – AutomatedChaos Nov 21 '18 at 10:50 add a comment  |  ...
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How should I handle “No internet connection” with Retrofit on Android

... Since retrofit 1.8.0 this has been deprecated retrofitError.isNetworkError() you have to use if (retrofitError.getKind() == RetrofitError.Kind.NETWORK) { } there are multiple types of errors you can handle: NETWORK An IOException occurred while communicating to the serve...
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]

...nd manage your helper objects like the database engine, user notification, error handling and so on in a PHP based, object oriented project? ...
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Exit codes in Python

...as ok. Type a command, then echo $?: if you read 0, it returned without an error. The idea is to have standard tests. If the code xyz.py did not encounter any error, it SHOULD return 0! – Bruno von Paris Oct 15 '12 at 9:20 ...