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How to change maven logging level to display only warning and errors?
...event maven from displaying INFO messages, I want to see only WARNINGS and ERRORS (if any).
10 Answers
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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:
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invalid context 0x0 under iOS 7.0 and system degradation
... graphics context, but I doubt that's the issue. These invalid context 0x0 error messages are common and easy to reproduce in iOS 7. In fact, I can reproduce the error using storyboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field.
In...
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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What is /dev/null 2>&1?
... I usually just use > for that reason.)
2>&1 redirects standard error (2) to standard output (1), which then discards it as well since standard output has already been redirected.
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How to avoid annoying error “declared and not used”
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That error is here to force you to write better code, and be sure to use everything you declare or import. It makes it easier to read code written by other people (you are always sure that all declared variables will be used), and...
Is it possible to stop JavaScript execution? [duplicate]
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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...
TypeError: $.ajax(…) is not a function?
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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...
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.
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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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