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Can you change what a symlink points to after it is created?

Does any operating system provide a mechanism (system call — not command line program) to change the pathname referenced by a symbolic link (symlink) — other than by unlinking the old one and creating a new one? ...
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What is the difference between String.slice and String.substring?

...xactly like substr() in Firefox. This behavior is observed in both Firefox and IE. If stop is negative: sets stop to: string.length – Math.abs(stop) (original value), except bounded at 0 (thus, Math.max(0, string.length + stop)) as covered in the ECMA specification. Source: Rudimentary Art of Pr...
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EJB's - when to use Remote and/or local interfaces?

I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...
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MVC Razor view nested foreach's model

...e problem. There are three things that you have at least a cursory understanding before you can resolve this issue. I have to admit that I cargo-culted this for a long time when I started working with the framework. And it took me quite a while to really get what was going on. Those three things ...
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What is the difference between Java RMI and RPC?

What is the actual difference between Java RMI and RPC? 8 Answers 8 ...
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Pros and cons to use Celery vs. RQ [closed]

...ect that requires implement some background jobs (mostly for email sending and heavily database updates). I use Redis for task broker. So in this point I have two candidates: Celery and RQ . I had some experience with these job queues, but I want to ask you guys to share you experience of using t...
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Difference between a View's Padding and Margin

What is the difference between a View's Margin and Padding? 14 Answers 14 ...
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Is ServiceLocator an anti-pattern?

...tterns. Instead we have to look if there are valid usages of the patterns, and for Service Locator there are several use cases. But let's start by looking at the examples that you have given. public class MyType { public void MyMethod() { var dep1 = Locator.Resolve<IDep1>(); ...
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Why Java needs Serializable interface?

We work heavily with serialization and having to specify Serializable tag on every object we use is kind of a burden. Especially when it's a 3rd-party class that we can't really change. ...
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Where is Python's sys.path initialized from?

... The site module loads and parses the contents of any .pth files in your site-packages directory. These .pth files contain additions to your PYTHONPATH – ASk May 22 '09 at 21:03 ...