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UnboundLocalError on local variable when reassigned after first use
...inds its local variable named c, which has no value yet, and so throws the error.
The statement global c mentioned above simply tells the parser that it uses the c from the global scope and so doesn't need a new one.
The reason it says there's an issue on the line it does is because it is effectiv...
validation custom message for rails 3
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How do I remove the :title from the error message above? Above displays as "Title Story title is required". I want "Story title is required." Thanks.
– datauser
Oct 6 '11 at 6:37
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How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
...place. Later while trying to test a new version of the app I ran into this error.
I fixed it by removing the app that was installed via Marketplace (just hold and drag to the trash). Thereafter I was able to deploy my development version without any issue.
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What is the 'override' keyword in C++ used for? [duplicate]
...derived2: public base
{
public:
int foo(int x) override { ... } // ERROR
};
In derived2 the compiler will issue an error for "changing the type". Without override, at most the compiler would give a warning for "you are hiding virtual method by same name".
...
How to delete a workspace in Perforce (using p4v)?
...Workspace". If the workspace is "locked" to prevent changes, you'll get an error message.
To unlock the workspace, click "Edit" (or right-click and click "Edit Workspace") to pull up the workspace editor, uncheck the "locked" checkbox, and save your changes. You can delete the workspace once it's u...
Scraping html tables into R data frames using the XML package
...<- textConnection(webpage)); close(tc)
# Parse the html tree, ignoring errors on the page
pagetree <- htmlTreeParse(webpage, error=function(...){})
# Navigate your way through the tree. It may be possible to do this more efficiently using getNodeSet
body <- pagetree$children$html$children...
Avoiding “resource is out of sync with the filesystem”
...
Just right click on the file or on the project and click Refresh. The error will vanish. I also faced the same issue and it worked for me.
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How to completely remove node.js from Windows
...ind during the uninstall process, and it's causing me to have all sorts of errors when trying to add modules through npm. I've seen solutions to this for OSX and Linux, but couldn't find anything for Windows. I'm running Windows 7 64-bit.
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ALTER TABLE to add a composite primary key
...rimary key is being used as a foreign key by another table you will get an error when trying to drop it. In some versions of mysql the error message there was malformed (as of 5.5.17, this error message is still
alter table parent drop column id;
ERROR 1025 (HY000): Error on rename of
'./test/#sq...
Parsing huge logfiles in Node.js - read in line-by-line
...e readstream, possibly from a callback
s.resume();
})
.on('error', function(err){
console.log('Error while reading file.', err);
})
.on('end', function(){
console.log('Read entire file.')
})
);
Please let me know how it goes!
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