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What is the JSF resource library for and how should it be used?
The JSF <h:outputStylesheet> , <h:outputScript> and <h:graphicImage> components have a library attribute. What is this and how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or ima...
Python class inherits object
...erit from object?
In Python 3, apart from compatibility between Python 2 and 3, no reason. In Python 2, many reasons.
Python 2.x story:
In Python 2.x (from 2.2 onwards) there's two styles of classes depending on the presence or absence of object as a base-class:
"classic" style classes: the...
Android and XMPP: Currently available solutions [closed]
Which XMPP library would be the best choice nowadays for Android development?
7 Answers
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What is CDATA in HTML? [duplicate]
What is the use of CDATA inside JavaScript tags and HTML?
6 Answers
6
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How to detect if a script is being sourced
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This seems to be portable between Bash and Korn:
[[ $_ != $0 ]] && echo "Script is being sourced" || echo "Script is a subshell"
A line similar to this or an assignment like pathname="$_" (with a later test and action) must be on the first line of the s...
Unit testing code with a file system dependency
...at you clean up after youself -- delete any temporary files you created -- and that you don't accidentally overwrite an existing file that happened to have the same filename as a temporary file you were using. Always use relative paths and not absolute paths.
It would also be a good idea to chdir(...
How to format a java.sql Timestamp for displaying?
...er that if SimpleDateFormat object is a local-scoped object (it is created and used only inside a method), then it is thread-safe, since stack on which it will reside is inherently "thread-safe" (as it belongs to a single thread).
– quantum
Sep 13 '11 at 9:52
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...iler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens.
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What is the difference between Collection and List in Java?
What is the difference between Collection and List in Java? When should I use which?
7 Answers
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How to find gaps in sequential numbering in mysql?
...lues were imported from another system. There is an auto-increment column, and there are no duplicate values, but there are missing values. For example, running this query:
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