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Alternatives to JavaScript
At the moment, the only fully supported language, and the de-facto standard for DOM tree manipulation in the browser is JavaScript. It looks like it has deep design issues that make it a minefield of bugs and security holes for the novice.
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What's the best strategy for unit-testing database-driven applications?
I work with a lot of web applications that are driven by databases of varying complexity on the backend. Typically, there's an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modul...
Why seal a class?
I'd like to hear what is the motivation behind the bulk of sealed classes in the .Net framework. What is the benefit of sealing a class? I cannot fathom how not allowing inheritance can be useful and most likely not the only one fighting these classes.
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How to make an immutable object in Python?
Although I have never needed this, it just struck me that making an immutable object in Python could be slightly tricky. You can't just override __setattr__ , because then you can't even set attributes in the __init__ . Subclassing a tuple is a trick that works:
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How to implement a rule engine?
I have a db table that stores the following:
10 Answers
10
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How can I check if an argument is defined when starting/calling a batch file?
I'm trying to use the following validation logic in a batch file but the "usage" block never executes even when no parameter is supplied to the batch file.
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What does “hashable” mean in Python?
I tried searching internet but could not find the meaning of hashable.
9 Answers
9
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How can I default a parameter to Guid.Empty in C#?
I wish to say:
5 Answers
5
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FileSystemWatcher vs polling to watch for file changes
I need to setup an application that watches for files being created in a directory, both locally or on a network drive.
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Flatten an irregular list of lists
Yes, I know this subject has been covered before ( here , here , here , here ), but as far as I know, all solutions, except for one, fail on a list like this:
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