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How to horizontally center a

...argin: 0 auto is what does the actual centering. If you are targeting Internet Explorer 8 (and later), it might be better to have this instead: #inner { display: table; margin: 0 auto; } It will make the inner element center horizontally and it works without setting a specific width. Working ...
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Dependency injection through constructors or property setters?

...t Mark Seemann calls a local default in his book "Dependency Injection in .NET": the dependency is optional because you can provide a fine working implementation but want to allow the caller to specify a different one if needed. (Former answer below) I think that constructor injection are better...
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How to use greater than operator with date?

...outcome, 02-08-2019 21:04:07, using the US date format, casts a much wider net. – David A. Gray Feb 9 '19 at 20:08 add a comment  |  ...
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Representing null in JSON

... Let's evaluate the parsing of each: http://jsfiddle.net/brandonscript/Y2dGv/ var json1 = '{}'; var json2 = '{"myCount": null}'; var json3 = '{"myCount": 0}'; var json4 = '{"myString": ""}'; var json5 = '{"myString": "null"}'; var json6 = '{"myArray": []}'; console.log(JSON.pa...
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How do I set the table cell widths to minimum except last column?

...column</td> </tr> </table> https://jsfiddle.net/8bf17o1v/ share | improve this answer | follow | ...
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat

...ime I try to save my contact, which is validated I get the exception "ADO.Net Entity Framework An entity object cannot be referenced by multiple instances of IEntityChangeTracker" ...
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Calculate MD5 checksum for a file

... use SHA-256 just out of habit :) I don't know about support for CRC32 in .NET offhand, but you can probably search for it as quickly as I can :) – Jon Skeet Jul 30 '14 at 13:40 12...
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How does OpenID authentication work?

...-centric digital identity. OpenID takes advantage of already existing internet technology (URI, HTTP, SSL, Diffie-Hellman) and realizes that people are already creating identities for themselves whether it be at their blog, photostream, profile page, etc. With OpenID you can easily transform one of ...
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Why use sprintf function in PHP?

I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it? ...
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Get average color of image via Javascript

...e only way to do this is with <canvas/>... DEMO V2: http://jsfiddle.net/xLF38/818/ Note, this will only work with images on the same domain and in browsers that support HTML5 canvas: function getAverageRGB(imgEl) { var blockSize = 5, // only visit every 5 pixels defaultRGB = {r...