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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
In Rails we can do the following in case a value doesn't exist to avoid an error:
12 Answers
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'uint32_t' identifier not found error
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I copy and paste your code on my page. But it shows this error "syntax error : missing ';' before identifier 'int32_t'" and "missing type specifier - int assumed. Note: C++ does not support default-int".
– kevin
Mar 2 '11 at 2:40
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How to set the thumbnail image on HTML5 video?
...eg_match('/data:([^;]*);base64,(.*)/', $_POST['data'], $matches)) {
die("error");
}
$data = $matches[2];
$data = str_replace(' ', '+', $data);
$data = base64_decode($data);
$file = 'text.jpg';
$dataname = file_put_contents($thumbs_dir . $file, $data);
}
?>
//jscode
<script type="text/j...
Chrome sendrequest error: TypeError: Converting circular structure to JSON
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Is it possible to "catch" this error and handle it?
– Doug Molineux
Nov 11 '15 at 21:47
2
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Error to run Android Studio
...hat it caused the version 6 JDK to install, and Android Studio is throwing errors like hell. So it doesn't work like a charm.
– Csaba Toth
Oct 4 '13 at 3:33
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Can't update Macports (with Mac OS X Mavericks)
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there is an actual bug with
gperf @3.0.4: error: expected parameter declarator
thankfully this issue has its own ticket at MacPorts ticket 40918
if anything you could read all the issues in Mavericks at http://trac.macports.org/wiki/MavericksProblems
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Post Build exited with code 1
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robocopy exit code 1 = files copied
When the result is 1, this becomes an error exit code in visual studio.
So i solved this easily by adding this to the bottom of the batch file
exit 0
Suggest that handle ROBOCOPY errors in this fashion
rem each robocopy statement and then underneath have th...
MISCONF Redis is configured to save RDB snapshots
During writes to Redis ( SET foo bar ) I am getting the following error:
31 Answers
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How do I catch a numpy warning like it's an exception (not just for testing)?
...t;> import warnings
>>>
>>> warnings.filterwarnings('error')
>>>
>>> try:
... warnings.warn(Warning())
... except Warning:
... print 'Warning was raised as an exception!'
...
Warning was raised as an exception!
Read carefully the documentation for ...
WPF Data Binding and Validation Rules Best Practices
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I think the new preferred way might be to use IDataErrorInfo
Read more here
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