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Rounding BigDecimal to *always* have two decimal places
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Pure virtual function with implementation
...'d have to give a body to a pure virtual destructor, for example :)
Read: http://cplusplus.co.il/2009/08/22/pure-virtual-destructor/
(Link broken, use archive)
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How to increase request timeout in IIS?
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Add this to your Web Config
<system.web>
<httpRuntime executionTimeout="180" />
</system.web>
https://msdn.microsoft.com/en-us/library/e1f13641(v=vs.85).aspx
Optional TimeSpan attribute.
Specifies the maximum number of seconds that a request is al...
How to center a button within a div?
... assume the most simple situation and say you can use text-align: center:
http://jsfiddle.net/pMxty/
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PHP check whether property exists in object or class
... and if it's null too, you can use the function property_exists().
Docs: http://php.net/manual/en/function.property-exists.php
As opposed with isset(), property_exists() returns TRUE even if the property has the value NULL.
bool property_exists ( mixed $class , string $property )
Example:
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How to do a safe join pathname in ruby?
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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I think this should be repeated here (from http://api.rubyonrails.org/classes/ActionView/Base.html):
If you need to find out whether a certain local variable has been assigned a value in a particular render call, you need to use the following pattern:
<% if local...
Histogram using gnuplot?
... a graph like this one?
yes? Then you can have a look at my blog article: http://gnuplot-surprising.blogspot.com/2011/09/statistic-analysis-and-histogram.html
Key lines from the code:
n=100 #number of intervals
max=3. #max value
min=-3. #min value
width=(max-min)/n #interval width
#function used ...
How do I detect the Python version at runtime? [duplicate]
... syntax
else:
x = next(it) # Python 3 syntax
#Better
x = six.next(it)
http://pythonhosted.org/six/
Cheers
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XPath to select element based on childs child value
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