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How do lexical closures work?
While I was investigating a problem I had with lexical closures in Javascript code, I came along this problem in Python:
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How do I get the result of a command in a variable in windows?
I'm looking to get the result of a command as a variable in a Windows batch script (see how to get the result of a command in bash for the bash scripting equivalent). A solution that will work in a .bat file is preferred, but other common windows scripting solutions are also welcome.
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What is the difference between old style and new style classes in Python?
What is the difference between old style and new style classes in Python? When should I use one or the other?
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What does the “yield” keyword do?
What is the use of the yield keyword in Python, and what does it do?
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What is the “-->” operator in C++?
After reading Hidden Features and Dark Corners of C++/STL on comp.lang.c++.moderated , I was completely surprised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4.
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Do you continue development in a branch or in the trunk? [closed]
Suppose you're developing a software product that has periodic releases. What are the best practices with regard to branching and merging? Slicing off periodic release branches to the public (or whomever your customer is) and then continuing development on the trunk, or considering the trunk the sta...
Map vs Object in JavaScript
I just discovered chromestatus.com and, after losing several hours of my day, found this feature entry :
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Oracle TNS names not showing when adding new connection to SQL Developer
I'm trying to connect to an oracle database with SQL Developer.
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What's the difference between an inverted index and a plain old index?
In software engineering we create indexes all the time (e.g., in databases) but I also hear a lot of people talk about inverted indices. Is there something fundamentally different between the two? They sound like the same thing.
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What does “coalgebra” mean in the context of programming?
I have heard the term "coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. ...