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Formatting a number with exactly two decimals in JavaScript
...decimals:
(Math.round(num*100)/100).toFixed(2)
If this causes rounding errors, you can use the following as James has explained in his comment:
(Math.round((num * 1000)/10)/100).toFixed(2)
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How to find serial number of Android device?
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@Hasemam This is not working for me, giving "Force Close" error
– Paresh Mayani
Aug 26 '10 at 11:51
23
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Why can't an anonymous method be assigned to var?
...e the code to detect all of those failure situations and give a meaningful error message for each. We still have to specify all that behaviour, document it, write tests for it, and so on. This is a very expensive feature that saves the user maybe half a dozen keystrokes. We have better ways to add ...
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...ave tried test = df.drop(df[df['col1'].dtype == str].index) but I get the error KeyError: False I have also tried df.drop(df[df.col1.dtype == str].index) and df.drop(df[type(df.cleaned_norm_email) == str].index) but nothing seems to work? Can anyone advise. Thanks! @User
– Py...
Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?
...ttings
{
ReferenceLoopHandling = ReferenceLoopHandling.Error
};
}
public JsonSerializerSettings Settings { get; private set; }
public override void ExecuteResult(ControllerContext context)
{
if (context == null)
throw new ArgumentNull...
Getting output of system() calls in Ruby
...a function, e.g.:
#
# Returns stdout on success, false on failure, nil on error
#
def syscall(*cmd)
begin
stdout, stderr, status = Open3.capture3(*cmd)
status.success? && stdout.slice!(0..-(1 + $/.size)) # strip trailing eol
rescue
end
end
Example:
p system('foo')
p syscall...
jQuery Ajax calls and the Html.AntiForgeryToken()
...hese are my contents" },
success: function () {
...
},
error: function () {
...
}
});
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Create dynamic URLs in Flask with url_for()
...r that only integer will be passed in the url otherwise it will give a 404 error
def find_question(question_id):
return ('you asked for question{0}'.format(question_id))
For the above we can use:
<a href = {{ url_for('find_question' ,question_id=1) }}>Question 1</a>
Like this ...
Where to put model data and behaviour? [tl; dr; Use Services]
...ion(response)
{
return $q.reject(response.data.error);
}
);
};
... other CRUD methods
}
model/Element.js (using angularjs Factory, made for object creation)
MyApp.factory('Element', function()
{
var Element = function(data) {
//s...
Select SQL Server database size
... I have some VLDBs that cause DECIMAL(8,2) to yeild "Arithmetic overflow error converting numeric to data type numeric." Changing DECIMAL(8,2) to DECIMAL(12,2) was the fix.
– colbybhearn
Aug 18 '15 at 15:12
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