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Differences between .NET 4.0 and .NET 4.5 in High level in .NET

... Extensibility Extensible HTML, URL, and HTTP Header Encoding Performance Monitoring for Individual Applications in a Single Worker Process Multi-Targeting etc And for Asp.net 4.5 there is also a long list of improvements: Asynchronously Reading and Writing HTTP Requests ...
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Stopping scripters from slamming your website

... same page, following every link on a page quickly, or filling in an order form too fast to be human. If they fail the check x times in a row (say, 2 or 3), give that IP a timeout or other such measure. Then at the end of the timeout, dump them back to the check again. Since you have unregistere...
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DateTime format to SQL format using C#

I am trying to save the current date time format from C# and convert it to an SQL Server date format like so yyyy-MM-dd HH:mm:ss so I can use it for my UPDATE query. ...
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ie8 var w= window.open() - “Message: Invalid argument.”

...to be either one of the predefined target strings or a string, which has a form of a valid identifier in JavaScript. So what works in Firefox: "Job Directory 9463460", does not work in Internet Exploder, and has to be replaced by: "Job_Directory_9463460" for example (no spaces, no minus signs, no d...
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Where does Console.WriteLine go in ASP.NET?

... One more little hint; if you are printing a formatted string, use Debug.Print instead of Debug.WriteLine to avoid an argument conflict (see social.msdn.microsoft.com/Forums/ar/Vsexpressvcs/thread/…). – Nicholas Riley Jan 9 '12 a...
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How to post data to specific URL using WebClient in C#

...nt()) { wc.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded"; string HtmlResult = wc.UploadString(URI, myParameters); } it works like charm :) share | improve th...
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Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity

...oes not reproduce in the "Roslyn" version of the semantic analyzer. I've informed the C# 5 test team, and hopefully we can get this investigated and resolved before the final release. (As always, no promises.) A correct analysis follows. The candidates are: 0: C(params string[]) in its normal form...
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How to set input type date's default value to today?

...ee), only a RFC3339 valid date like 2011-09-29. TL;DR Use YYYY-MM-DD date format or it won't display share | improve this answer | follow | ...
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What are some compelling use cases for dependent method types?

...hat Bakery of Doom was David MacIver's coinage ... For the bonus: Scala's form of dependent types in general (and dependent method types as a part of it) was inspired by the programming language Beta ... they arise naturally from Beta's consistent nesting semantics. I don't know of any other even f...
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How to inspect FormData?

... As of March 2016, recent versions of Chrome and Firefox now support using FormData.entries() to inspect FormData. Source. // Create a test FormData object var formData = new FormData(); formData.append('key1', 'value1'); formData.append('key2', 'value2'); // Display the key/value pairs for (var p...