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Proper way to wait for one function to finish before continuing?

...ago, and really want to update it. While callbacks are absolutely fine, in my experience they tend to result in code that is more difficult to read and maintain. There are situations where I still use them though, such as to pass in progress events and the like as parameters. This update is just to ...
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How do you remove a Cookie in a Java Servlet

... I tried setMaxAge(0) initially in firefox but I still saw it listed in my cookies as "Expires: at end of session" and thought my servlet was still receiving that expired cookie. It might've been a combo of needing to set the response.setContentType("text/html"); and setMaxAge(0); that made ...
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How to define an enum with string value?

... @dowhilefor: You can use a char literal for the value though, as per my answer. I tested it :) – Jon Skeet Dec 21 '11 at 10:37 ...
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How to convert a double to long without casting?

... Great answer - the towards zero part would have been wrong for my app, so applause for highlighting this in your answer, and reminding my hungover brain to use Math.round() here instead of just casting ! – Phantomwhale Dec 9 '11 at 4:54 ...
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How do I serialize a C# anonymous type to a JSON string?

... You can try my ServiceStack JsonSerializer it's the fastest .NET JSON serializer at the moment. It supports serializing DataContract's, Any POCO Type, Interfaces, Late-bound objects including anonymous types, etc. Basic Example var cus...
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What is the fastest integer division supporting division by zero no matter what the result is?

... Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using int f (int x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assemb...
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setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded

...alls updateConstraintsIfNeeded, so calling it manually is rarely needed in my experience. In fact, I have never called it except when debugging layouts. Updating constraints using setNeedsUpdateConstraints is pretty rare too, objc.io–a must read about autolayouts–says: If something changes ...
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Simulating Slow Internet Connection

... each request. I prefer using a tool like this to putting latency code in my application as it is a much more realistic simulation, as well as not making me design or code the actual bits. The best code is code I don't have to write. ADDED: This article at Pavel Donchev's blog on Software Technol...
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SQL Server: Get table primary key using sql query [duplicate]

...OBJECTPROPERTY(OBJECT_ID(constraint_name), 'IsPrimaryKey') returns NULL in my case. The solution below works fine. Maybe your solution doesn't work for complex PKs (2 and more columns). – nZeus Mar 12 '14 at 10:31 ...
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Load image from resources area of project in C#

I have an image in my project stored at Resources/myimage.jpg. How can I dynamically load this image into Bitmap object? 1...