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How do I read the first line of a file using cat?
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10 Answers
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Find duplicate lines in a file and count how many time each line was duplicated?
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811
Assuming there is one number per line:
sort <file> | uniq -c
You can use the more verb...
Why is the String class declared final in Java?
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16 Answers
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how to provide a swap function for my class?
...amp; lhs, Bar& rhs) {
// ...
}
}
If swap is now used as shown in 1), your function will be found. Also, you may make that function a friend if you absolutely need to, or provide a member swap that is called by the free function:
// version 1
class Bar{
public:
friend void swap(Bar&...
Removing trailing newline character from fgets() input
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13 Answers
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How do I add a delay in a JavaScript loop?
... any delay.
You may want to use something like this instead:
var i = 1; // set your counter to 1
function myLoop() { // create a loop function
setTimeout(function() { // call a 3s setTimeout when the loop is called
console.log('hello'); // your code ...
Using getopts to process long and short command line options
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How can I apply a border only inside a table?
...is:
table {
border-collapse: collapse;
}
table td, table th {
border: 1px solid black;
}
table tr:first-child th {
border-top: 0;
}
table tr:last-child td {
border-bottom: 0;
}
table tr td:first-child,
table tr th:first-child {
border-left: 0;
}
table tr td:last-child,
table tr th:last-ch...
How to check if a table exists in a given schema
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answered Jun 6 '14 at 19:58
Erwin BrandstetterErwin Brandstetter
439k9696 gold badges809809 silver badges969969 bronze badges
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How to retrieve absolute path given relative
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21 Answers
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