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How did I get a value larger than 8 bits in size from an 8-bit integer?
I tracked down an extremely nasty bug hiding behind this little gem. I am aware that per the C++ spec, signed overflows are undefined behavior, but only when the overflow occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefin...
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
Assuming I have an ArrayList
9 Answers
9
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Android: How to Programmatically set the size of a Layout
As part of an Android App I am building a button set. The buttons are part of a nested set of LinearLayouts. Using weight I have the set resizing itself automatically based on the size of the containing parent LinearLayout. The idea is, based on the pixel count and density of the screen, to set the ...
How to install Boost on Ubuntu
...libicu-dev build-essential libbz2-dev libboost-all-dev
Boost's bootstrap setup:
./bootstrap.sh --prefix=/usr/
Then build it with:
./b2
and eventually install it:
sudo ./b2 install
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Where is body in a nodejs http.get response?
...atusCode);
console.log('HEADERS: ' + JSON.stringify(res.headers));
res.setEncoding('utf8');
res.on('data', function (chunk) {
console.log('BODY: ' + chunk);
});
});
req.on('error', function(e) {
console.log('problem with request: ' + e.message);
});
// write data to request body
req....
Regex, every non-alphanumeric character except white space or colon
...r exactly what is discussed in these answers. I don't care about character sets that will not be used in my application. Law of diminishing returns.
– user3842449
Jun 15 '16 at 13:16
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CMake: Project structure with unit tests
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Where is TEST_SOURCE_DIR set?
– aggsol
Jul 21 '16 at 9:41
6
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Convert list to array in Java [duplicate]
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Maybe set the correct size of the array, as you obviously know it
– Oskar Kjellin
Jul 3 '13 at 11:25
7
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What's the difference between backtracking and depth first search?
... of DFS. Moreover, keeping track of visited nodes for a very large problem set could be really memory intensive; calling for a careful design of get_all_immediate_neighbors (or algorithms that can handle revisiting a node without getting into infinite loop).
[1] Stuart Russell and Peter Norvig, Art...
How to use GROUP_CONCAT in a CONCAT in MySQL
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See this explained here SQL Fiddle Demo (scroll down as it has two result sets)
Edit There was a mistake in reading question, I had grouped only by id. But two group_contacts are needed if (Values are to be concatenated grouped by Name and id and then over all by id). Previous answer was
select
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