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if a ngSrc path resolves to a 404, is there a way to fallback to a default?

...age is the center-piece of the application, so the broken image link makes it look like the whole thing is borked. I'd like to have another image take its place on a 404. ...
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags

...tags in StackOverflow, but I am still confused about how Emacs interfaces with these different tag systems to facilitate autocompletion, the looking up of definitions, navigation of source code base or the previewing of doc-strings. ...
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When should I use a trailing slash in my URL?

...f the second resource as if to say, "in the same place as this one except with the following relative path". It went on to say that such relative URLs are dependent on the original URL containing a hierarchical structure against which the relative link is based, and that the ftp, http, and file U...
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How do you fork your own repository on GitHub?

I have a public repository on GitHub. I want to replicate/copy it and work on a new project based on this repository, but I don't want to affect how it is now. I tried forking it using the GitHub UI but it didn't do anything. ...
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Why doesn't .NET/C# optimize for tail-call recursion?

... JIT compilation is a tricky balancing act between not spending too much time doing the compilation phase (thus slowing down short lived applications considerably) vs. not doing enough analysis to keep the application competiti...
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How does the new automatic reference counting mechanism work?

Can someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just wondering exactly how it worked. ...
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]

... Bottom Line Use either COUNT(field) or COUNT(*), and stick with it consistently, and if your database allows COUNT(tableHere) or COUNT(tableHere.*), use that. In short, don't use COUNT(1) for anything. It's a one-trick pony, which rarely d...
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Determining complexity for recursive functions (Big O notation)

...a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help would be ...
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When should I use a struct rather than a class in C#?

...lass in C#? My conceptual model is that structs are used in times when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole. ...
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How do I connect to a MySQL Database in Python?

... Connecting to MYSQL with Python 2 in three steps 1 - Setting You must install a MySQL driver before doing anything. Unlike PHP, Only the SQLite driver is installed by default with Python. The most used package to do so is MySQLdb but it's hard ...