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Why define an anonymous function and pass it jQuery as the argument?

...ode inside of jQuery's DOMReady function, and potentially damaging to your application performance. This function does not get called until the DOM has loaded and is ready to be manipulated. That means you're waiting until the browser has parsed the DOM at least once before you are defining your obj...
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How can I use Spring Security without sessions?

I am building a web application with Spring Security that will live on Amazon EC2 and use Amazon's Elastic Load Balancers. Unfortunately, ELB does not support sticky sessions, so I need to ensure my application works properly without sessions. ...
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I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it

I just discovered that every request in an ASP.Net web application gets a Session lock at the beginning of a request, and then releases it at the end of the request! ...
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scala vs java, performance and memory? [closed]

... of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in the map and come from strings of length greater than two. In Java, you might int n = 0; for (String s: array) { if (s.length > 2 && mapping.containsKey(s)...
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How do you make a web application in Clojure? [closed]

...ause I worked on Java projects, but not Java-the-world. I never made a web app from scratch in Java. If I have to do it with Python, Ruby, I know where to go (Django or Rails), but if I want to make a web application in Clojure, not because I'm forced to live in a Java world, but because I like the ...
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SQLAlchemy: Creating vs. Reusing a Session

... and I wanted to stop the proliferation of small-scale "helpers" that each approached the issue of this redundancy in some new and more confusing way. So sessionmaker() is just a tool to help you create Session objects when you need them. Next part. I think the question is, what's the difference...
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What's the best way of structuring data on firebase?

...d efficiency is a concern. This is a technique used by all the large scale apps (e.g. Twitter and Facebook) and although it goes against our DRY principles, it's generally a necessary feature of scalable apps. The gist here is that you want to work hard on writes to make reads easy. Keep logical co...
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Why is creating a new process more expensive on Windows than Linux?

...quires a compatbility shim, checking whether software restriction policies apply, yada yada. That said, I see the overall slowdown in the sum of all those little things that have to be done in addition to the raw creation of a process, VA space, and initial thread. But as said in the beginning -- d...
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Why is extending native objects a bad practice?

... There are plenty of issues, for example what happens if some other code also tries to add it's own stringify() method with different behaviour? It's really not something you should do in everyday programming... not if all you want to do is save a few characters of code h...
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How slow are .NET exceptions?

...ceptions where they're not logical. For instance, int.TryParse is entirely appropriate for converting data from a user. It's appropriate when reading a machine-generated file, where failure means "The file isn't in the format it's meant to be, I really don't want to try to handle this as I don't kno...