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Monad in plain English? (For the OOP programmer with no FP background)

... take a type, say int, and add a new capability to that type, namely, that now it can be null when it couldn't before. As a second example, consider IEnumerable<T>. It is an amplifier of types. It lets you take a type, say, string, and add a new capability to that type, namely, that you can n...
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How to remove the arrow from a select element in Firefox

... Okay, I know this question is old, but 2 years down the track and mozilla have done nothing. I've come up with a simple workaround. This essentially strips all formatting of the select box in firefox and wraps a span element aroun...
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UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?

...IEdgeInsetsMake(-15.0, 0.0, 0.0, -button.titleLabel.bounds.size.width)]; Now the image and the text will be centered (in this example, the image appears above the text). Cheers. share | improve t...
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What does “javascript:void(0)” mean?

I've seen such href s many times, but I don't know what exactly that means. 14 Answers ...
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What algorithm gives suggestions in a spell checker?

...n distance is not exactly the right edit distance for a spell checker. It knows only insertion, deletion and substitution. Transposition is missing and produces 2 for a transposition of 1 character (it's 1 delete and 1 insertion). Damerau–Levenshtein distance is the right edit distance. ...
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Apply .gitignore on an existing repository already tracking large number of files

...ndex, then just run: git add . Commit it: git commit -m ".gitignore is now working" share | improve this answer | follow | ...
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Can someone explain this 'double negative' trick? [duplicate]

...e whether it's confusing or not. I personally find it highly intuitive to know what's "falsey" and what's "truthy" when cast to a Boolean. – Chris Jul 30 '13 at 3:15 ...
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Inspect hovered element in Chrome?

...m, when I "inspect element", nothing shows for the tooltip in the html. I know I can set the Style to :hover , but I still can't see the html or css of the tooltip. ...
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Conda: Installing / upgrading directly from github

... There's better support for this now through conda-env. You can, for example, now do: name: sample_env channels: dependencies: - requests - bokeh>=0.10.0 - pip: - "--editable=git+https://github.com/pythonforfacebook/facebook-sdk.git@8c0d34...
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ValidateAntiForgeryToken purpose, explanation and example

...names as CrossSite_RequestForgery and Attack_Application respectively. Now, open CrossSite_RequestForgery application's Web Config and change the connection string with the one given below and then save. ` <connectionStrings> <add name="DefaultConnection" connectionString="Data...