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Sorting object property by values
...hat array for your purposes. Here's a solution:
var maxSpeed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
var sortable = [];
for (var vehicle in maxSpeed) {
sortable.push([vehicle, maxSpeed[vehicle]]);
}
sortable.sor...
How do I use a PriorityQueue?
... PriorityQueue<String> queue = new PriorityQueue<String>(10, comparator);
queue.add("short");
queue.add("very long indeed");
queue.add("medium");
while (queue.size() != 0) {
System.out.println(queue.remove());
}
}
}
// StringL...
Replace part of a string with another string
...ing& to) {
if(from.empty())
return;
size_t start_pos = 0;
while((start_pos = str.find(from, start_pos)) != std::string::npos) {
str.replace(start_pos, from.length(), to);
start_pos += to.length(); // In case 'to' contains 'from', like replacing 'x' with 'yx'
...
Installing rmagick on Ubuntu
I'm trying to get RMagick setup on Ubuntu 10.04. Looked here but had no joy. I even compiled and installed ImageMagick from source, but the instructions here still didn't help me when I try to install RMagick using RubyGems. I got this error:
...
Java Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable
I have a script using java to connect to display X11 in the port 10.0 at localhost
30 Answers
...
list.clear() vs list = new ArrayList(); [duplicate]
...void clear() {
modCount++;
// Let gc do its work
for (int i = 0; i < size; i++)
elementData[i] = null;
size = 0;
}
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Connect different Windows User in SQL Server Management Studio (2005 or later)
Is there a way in SQL Server Management Studio 2005 (or later) to change the Windows Authentication user (as you could in SQL Server 2000 and older)?
...
Is it possible to print a variable's type in standard C++?
...lifiers, references, and lvalue/rvalue-ness. For example:
const int ci = 0;
std::cout << typeid(ci).name() << '\n';
For me outputs:
i
and I'm guessing on MSVC outputs:
int
I.e. the const is gone. This is not a QOI (Quality Of Implementation) issue. The standard mandates this ...
When do we need curly braces around shell variables?
....*} (remove extension)
expanding positional parameters beyond 9: "$8 $9 ${10} ${11}"
Doing this everywhere, instead of just in potentially ambiguous cases, can be considered good programming practice. This is both for consistency and to avoid surprises like $foo_$bar.jpg, where it's not visually o...
Change the selected value of a drop-down list with jQuery
...
1019
jQuery's documentation states:
[jQuery.val] checks, or selects, all the radio buttons, che...