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Aren't promises just callbacks?
I've been developing JavaScript for a few years and I don't understand the fuss about promises at all.
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How do I rename a column in a SQLite database table?
I would need to rename a few columns in some tables in a SQLite database.
I know that a similar question has been asked on stackoverflow previously, but it was for SQL in general, and the case of SQLite was not mentioned.
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
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Why compile Python code?
Why would you compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something?
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NoSql Crash Course/Tutorial [closed]
I've seen NoSQL pop up quite a bit on SO and I have a solid understanding of why you would use it (from here, Wikipedia, etc). This could be due to the lack of concrete and uniform definition of what it is (more of a paradigm than concrete implementation), but I'm struggling to wrap my head aroun...
How are ssl certificates verified?
What is the series of steps needed to securely verify a ssl certificate? My (very limited) understanding is that when you visit an https site, the server sends a certificate to the client (the browser) and the browser gets the certificate's issuer information from that certificate, then uses that t...
Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
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How do I repeat an edit on multiple lines in Vim?
I'm aware that in Vim I can often repeat a command by simply adding a number in front of it. For example, one can delete 5 lines by:
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Is there a foreach loop in Go?
Is there a foreach construct in the Go language? Can I iterate over a slice or array using a for ?
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When to use volatile with multi threading?
If there are two threads accessing a global variable then many tutorials say make the variable volatile to prevent the compiler caching the variable in a register and it thus not getting updated correctly.
However two threads both accessing a shared variable is something which calls for protection v...