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Undefined reference to `pow' and `floor'
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244
You need to compile with the link flag -lm, like this:
gcc fib.c -lm -o fibo
This will tell...
How to append contents of multiple files into one file
...) command, with shell redirection (>) into your output file
cat 1.txt 2.txt 3.txt > 0.txt
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List of tuples to dictionary
...() on the list of tuples directly
>>> my_list = [('a', 1), ('b', 2)]
>>> dict(my_list)
{'a': 1, 'b': 2}
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PDO Prepared Inserts multiple rows in single query
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22 Answers
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How to redirect output to a file and stdout
...e output.file
If you want to include stderr, do:
program [arguments...] 2>&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee comm...
Sort array of objects by single key with date value
...n use Array.sort.
Here's an example:
var arr = [{
"updated_at": "2012-01-01T06:25:24Z",
"foo": "bar"
},
{
"updated_at": "2012-01-09T11:25:13Z",
"foo": "bar"
},
{
"updated_at": "2012-01-05T04:13:24Z",
"foo": "bar"
}
]
arr.sort(function(a, b) {
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How to manually install an artifact in Maven 2?
...ntered some errors when I tried to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command
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What is the difference between atomic and critical in OpenMP?
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edited Jun 27 '16 at 14:06
answered Oct 17 '11 at 20:11
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Checkboxes in web pages – how to make them bigger?
... height:30px;
background:white;
border-radius:5px;
border:2px solid #555;
}
input[type='checkbox']:checked {
background: #abd;
}
<input type="checkbox" />
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PHP filesize MB/KB conversion [duplicate]
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