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How to test if a string is JSON or not?
...ll, and the server will return either a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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detach all packages while working in R
...oadNamespace(loadedNamespaces()). However these typically are fraught with errors and could break basic functionality such as causing sessionInfo() to return only errors. This typically occurs because of a lack of reversibility in the original package's design. Currently timeDate can break irreversi...
How do I use HTML as the view engine in Express?
...commented out the reference to app.set('view engine', html). I then got an error message that "No default engine was specified and no extension was provided", which is expected. But when I changed the res.render("index") to res.render("index.html"), I got the following error: TypeError: Property 'en...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...m trying to select data from a MySQL table, but I get one of the following error messages:
31 Answers
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Detect if Android device has Internet connection
...e() == 200);
} catch (IOException e) {
Log.e(LOG_TAG, "Error checking internet connection", e);
}
} else {
Log.d(LOG_TAG, "No network available!");
}
return false;
}
Of course you can substitute the http://www.google.com URL for any other server you ...
What SOAP client libraries exist for Python, and where is the documentation for them? [closed]
... an infinite loop when opening a WSDL; then python threw a recursion limit error. I found this open ticket regarding the issue: fedorahosted.org/suds/ticket/239 Apparently this was a library breaking bug 3 years ago, and still hasn't been fixed.
– Buttons840
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Convert JSON to Map
...Map<String,Object> result =
new ObjectMapper().readValue(JSON_SOURCE, HashMap.class);
(where JSON_SOURCE is a File, input stream, reader, or json content String)
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Convert xlsx to csv in Linux with command line
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Works great, but I can get to run only as sudo (IOError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/prettytable-0.7.2-py2.7.egg/EGG-INFO/top_level.txt'). Now that I think about it, I got the same error with csvkit.
– user21054...
Linq Syntax - Selecting multiple columns
...elect new { (DateTime.Now - debt.ClaimDate), debt.Amount}; ? It throws an error: Invalid anonymous type member declarator
– Dainius Kreivys
Sep 19 '16 at 13:13
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How to repair a serialized string which has been corrupted by an incorrect byte count length?
I am using Hotaru CMS with the Image Upload plugin, I get this error if I try to attach an image to a post, otherwise there is no error:
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