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Makefile variable as prerequisite
In a Makefile, a deploy recipe needs a environment variable ENV to be set to properly execute itself, whereas others don't care, e.g.:
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Flags to enable thorough and verbose g++ warnings
Often in C under gcc , I will start with the following set of warning flags (painfully assembled from multiple sources):
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Sort a single String in Java
Is there a native way to sort a String by its contents in java? E.g.
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hasNext in Python iterators?
Haven't Python iterators got a hasNext method?
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How can two strings be concatenated?
How can I concatenate (merge, combine) two values?
For example I have:
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Convert a bitmap into a byte array
Using C#, is there a better way to convert a Windows Bitmap to a byte[] than saving to a temporary file and reading the result using a FileStream ?
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Possible to do a MySQL foreign key to one of two possible tables?
Well here's my problem I have three tables; regions, countries, states. Countries can be inside of regions, states can be inside of regions. Regions are the top of the food chain.
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How do you overcome the HTML form nesting limitation?
I know that XHTML doesn't support nested form tags and I have already read other answers here on Stack Overflow regarding this subject, but I still haven't figured out an elegant solution to the problem.
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Best Practice: Access form elements by HTML id or name attribute?
As any seasoned JavaScript developer knows, there are many (too many) ways to do the same thing. For example, say you have a text field as follows:
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Why do you need to invoke an anonymous function on the same line?
I was reading some posts about closures and saw this everywhere, but there is no clear explanation how it works - everytime I was just told to use it...:
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