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How do I modify a MySQL column to allow NULL?
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Your syntax error is caused by a missing "table" in the query
ALTER TABLE mytable MODIFY mycolumn varchar(255) null;
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How do you debug MySQL stored procedures?
...oesn't seem to work for FUNCTIONS and I have no idea why. It always gives "Error Code: 1415. Not allowed to return a result set from a function". Is there any recourse?
– Patrick M
Jul 28 '15 at 21:29
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Using Node.JS, how do I read a JSON file into (server) memory?
... {
const obj = JSON.parse(contents)
console.log(obj)
})
.catch(error => {
throw error
})
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java.lang.OutOfMemoryError: Java heap space
I am getting the following error on execution of a multi-threading program
11 Answers
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Open Cygwin at a specific folder
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Had permission issues on W7x64 (Error (5): Access is denied. Hive not writable). Resolved by launching Cygwin as administrator.
– DmitrySandalov
Apr 16 '14 at 12:27
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Handler is abstract ,cannot be instantiated
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@Glenn--, srsly, this just solved all manner of other errors in my code. ++ to this answer!
– Joel Balmer
Mar 12 '14 at 22:28
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class method generates “TypeError: … got multiple values for keyword argument …”
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of note: you can get the same type of error if your function def includes self as the first parameter, and then you accidentally call the function also with self as the first parameter.
– Christopher Hunter
Aug 12 '19 at 20:...
Is there a “vim runtime log”?
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:messages shows all warnings, errors, and informational messages that appeared (possibly briefly) in the vim statusline.
:echo errmsg prints the most recent error message.
g< is another feature few people know about. From :help g<:
The g< c...
TypeError: sequence item 0: expected string, int found
...be unicode strings and therefore may cause the str to throw a UnicodeEncodeError error. In that case, replace the function str by the function unicode.
For example, assume the string Libië (Dutch for Libya), represented in Python as the unicode string u'Libi\xeb':
print str(u'Libi\xeb')
throws ...
Import SQL dump into PostgreSQL database
...ve tried that psql mydatabase < C:\database\db-backup.sql but i get the error Invalid command \database. I also tried with " " around it.
– dazz
Jul 27 '11 at 10:05
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