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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...ller, right?
– akmur
Feb 2 '12 at 1:05
5
And don't forget your routes.rb!
–...
Replacement for “rename” in dplyr
...he command. I'm using rename(TheDataFrame,OldVarName=NewVarName) but I get Error: Unknown variables: NewVarName. and I don't understand why.
– s_a
Dec 5 '14 at 16:06
2
...
select count(*) from table of mysql in php
...mysql_query("SELECT count(*) as total_count from Students ") or exit(mysql_error());
$row = mysql_fetch_object($num_result);
echo $row->total_count;
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improve this answer
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How to style icon color, size, and shadow of Font Awesome Icons
...
Looks like the FontAwesome icon color responds to text-info, text-error, etc.
<div style="font-size: 44px;">
<i class="icon-umbrella icon-large text-error"></i>
</div>
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How to get client's IP address using JavaScript?
...indIP.then(ip => document.write('your ip: ', ip)).catch(e => console.error(e))
Note: This new minified code would return only single IP if you want all the IPs of the user( which might be more depending on his network), use the original code...
thanks to WebRTC, it is very easy to ge...
Vim clear last search highlighting
...IMHO.
– user195488
May 31 '12 at 15:05
Perfection is attainable even in this mortal realm! I will use this more than ...
How do I maintain the Immersive Mode in Dialogs?
...ld do this in onCreateDialog(), we would get a requestFeature()
// error.
getDialog().getWindow().getDecorView().setSystemUiVisibility(
getActivity().getWindow().getDecorView().getSystemUiVisibility()
);
// Make the dialogs window focusable again.
...
How to break out of multiple loops?
... exceptions is very frowned upon. Try-blocks are specifically designed for error handling, and using them for some strange control flow is not very good, stylistically.
– nobillygreen
Dec 26 '13 at 17:28
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Proper way to rename solution (and directories) in Visual Studio
...essary to restart because otherwise it can get confused and you get stupid errors
– Simon_Weaver
Jan 15 '13 at 3:08
1
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Detect and exclude outliers in Pandas data frame
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Got error: "TypeError: unsupported operand type(s) for /: 'str' and 'int'"
– sak
Jul 19 '19 at 4:41
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