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How to set default values in Rails?
...efault_value will then be used in conjunction with your view to render the form using the default_value for the bar attribute.
At best this is hacky...
EDIT - use 'new_record?' to check if instantiating from a new call
Instead of checking an attribute value, use the new_record? built-in method wi...
What's Go's equivalent of argv[0]?
... I couldn't figure out how to get it in flag and didn't know os has that information. Thanks.
– grokus
Jul 28 '10 at 18:24
1
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jQuery `.is(“:visible”)` not working in Chrome
...is(':visible') or .is(':hidden') or is(':not(:hidden)') is very bad to performance
– Diogo Cid
Sep 6 '17 at 14:23
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Make the current commit the only (initial) commit in a Git repository?
...nd the tree associated with a commit we use the <rev>^{<type>} form.
– dan_waterworth
Feb 15 '17 at 20:48
1
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How to do a less than or equal to filter in Django queryset?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Select arrow style change
...class="row">
<div class="col-xs-6">
<select class="form-control">
<option>Option 1</option>
<option>Option 2</option>
<option>Option 3</option>
</select>
</div>
</div>
</div>...
How to check if a String is numeric in Java
...
try {
Double.parseDouble(str);
return true;
} catch(NumberFormatException e){
return false;
}
}
However, if you're calling this function a lot, and you expect many of the checks to fail due to not being a number then performance of this mechanism will not be great, sin...
SQL Server: Maximum character length of object names
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
How can I embed a YouTube video on GitHub wiki pages?
....jpg)](https://www.youtube.com/watch?v=YOUTUBE_VIDEO_ID_HERE)
For more information about Markdown look at this Markdown cheatsheet on GitHub.
For more information about Youtube image links look this question.
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Mockito - difference between doReturn() and when()
...ning two syntaxes when one will do.
You may wish to refer to my answer at Forming Mockito "grammars" - a more detailed answer to a very closely related question.
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