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Migrating from JSF 1.2 to JSF 2.0
...ttp://xmlns.jcp.org namespace domain instead of http://java.sun.com throughout the above XML snippet.
Ensure that root declaration of web.xml already complies at least Servlet 2.5. JSF 2.0 won't work on 2.4 or lower (although it's hackable).
<web-app
xmlns="http://java.sun.com/xml/ns/javaee...
overlay two images in android to set an imageview
...that Drawable:
testimage.setImageDrawable(getResources().getDrawable(R.layout.layer));
Solution #2 (dynamic):
Resources r = getResources();
Drawable[] layers = new Drawable[2];
layers[0] = r.getDrawable(R.drawable.t);
layers[1] = r.getDrawable(R.drawable.tt);
LayerDrawable layerDrawable = new La...
How to detect if a script is being sourced
...
If your Bash version knows about the BASH_SOURCE array variable, try something like:
# man bash | less -p BASH_SOURCE
#[[ ${BASH_VERSINFO[0]} -le 2 ]] && echo 'No BASH_SOURCE array variable' && exit 1
[[ "${BASH_SOURCE[0]}" != "${0}" ]]...
Determining complexity for recursive functions (Big O notation)
...ses. These were just a few of the example problems that I could not figure out. Any help would be much appreciated and would greatly help in my studies, Thank you!
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How to read the output from git diff?
... in extended diff header, which is index f3e63d7..e8f44ba 100644 tell us about mode of given file (100644 means that it is ordinary file and not e.g. symlink, and that it doesn't have executable permission bit), and about shortened hash of preimage (the version of file before given change) and posti...
What are the main purposes of using std::forward and which problems it solves?
... meaning both T& and T&&), we use the following rule to figure out the resulting type:
"[given] a type TR that is a reference to a type T, an attempt to create the type “lvalue reference to cv TR” creates the type “lvalue reference to T”, while an attempt to create the type ...
Client-server synchronization pattern / algorithm?
I have a feeling that there must be client-server synchronization patterns out there. But i totally failed to google up one.
...
How do I choose grid and block dimensions for CUDA kernels?
This is a question about how to determine the CUDA grid, block and thread sizes. This is an additional question to the one posted here .
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Understanding the Event Loop
I am thinking about it and this is what I came up with:
3 Answers
3
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...new_list = old_list[:]
Alex Martelli's opinion (at least back in 2007) about this is, that it is a weird syntax and it does not make sense to use it ever. ;) (In his opinion, the next one is more readable).
You can use the built in list() function:
new_list = list(old_list)
You can use generic c...