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Interfaces — What's the point?

...ntract. A set of public methods any implementing class has to have. Technically, the interface only governs syntax, i.e. what methods are there, what arguments they get and what they return. Usually they encapsulate semantics as well, although that only by documentation. You can then have differen...
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Send email with PHPMailer - embed image in body

...PHPMailer, with images. The body is loaded from a html file, that contains all the info. 2 Answers ...
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Force page scroll position to top at page refresh in HTML

... This is the correct answer. The jQuery solution does not work in all cases. – Harry Stevens Dec 5 '17 at 18:52 ...
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When using a Settings.settings file in .NET, where is the config actually stored?

When using a Settings.settings file in .NET, where is the config actually stored? I want to delete the saved settings to go back to the default state, but can't find where it's stored... any ideas? ...
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How to install latest version of git on CentOS 7.x/6.x

... You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7 Install WANDisco repo package: yum install http://opensource.wandisco.com/centos/6/git/x86_64/wandisco-git-release-6-1.noarch.rpm - or - yum install http://opensource.wandisco.com/ce...
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How to access property of anonymous type in C#?

...null in three different situations! o is null, so there is no object at all o is non-null but doesn't have a property Foo o has a property Foo but its real value happens to be null. So this is not equivalent to the earlier examples, but may make sense if you want to treat all three cases the sa...
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How is this fibonacci-function memoized?

...nacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list": fib n = (xs!!(n-1)) + (xs!!(n-2)) where xs = 0:1:map fib [2..] The tr...
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Manually map column names with class properties

...rson>(sql).ToList(); return person; } Dapper has no facility that allows you to specify a Column Attribute, I am not against adding support for it, providing we do not pull in the dependency. share | ...
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How can I export tables to Excel from a webpage [closed]

... can I export tables to Excel from a webpage. I want the export to contain all the formatting and colours. 14 Answers ...
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Storing time-series data, relational or non?

... description, the actual PK is (Device, Metric, DateTime). (Please don't call it TimeStamp, that means something else, but that is a minor issue.) The uniqueness of the row is identified by: (Device, Metric, DateTime) The Id column does nothing, it is totally and completely redundant. A...