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How to trace the path in a Breadth-First Search?
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+50
You should have look at http://en.wikipedia.org/wiki/Breadth-first_search first.
Below is a quick implementation, in which I used ...
What is the difference between user and kernel modes in operating systems?
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edited Mar 24 '14 at 0:07
Chris Simmons
6,01855 gold badges2828 silver badges4545 bronze badges
ans...
Instance attribute attribute_name defined outside __init__
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170
The idea behind this message is for the sake of readability. We expect to find all the attribute...
Sorting an ArrayList of objects using a custom sorting order
...anComparator(String field) {
this.getter = "get" + field.substring(0, 1).toUpperCase() + field.substring(1);
}
public int compare(Object o1, Object o2) {
try {
if (o1 != null && o2 != null) {
o1 = o1.getClass().getMethod(getter, new Class[...
make arrayList.toArray() return more specific types
...ist = new ArrayList<String>();
String[] a = list.toArray(new String[0]);
Before Java6 it was recommended to write:
String[] a = list.toArray(new String[list.size()]);
because the internal implementation would realloc a properly sized array anyway so you were better doing it upfront. Sinc...
Why does substring slicing with index out of range work?
...s. Look what happens when you do the same thing to a list:
>>> [0, 1, 2, 3, 4, 5][3]
3
>>> [0, 1, 2, 3, 4, 5][3:4]
[3]
Here the difference is obvious. In the case of strings, the results appear to be identical because in Python, there's no such thing as an individual character ...
Why does multiprocessing use only a single core after I import numpy?
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150
After some more googling I found the answer here.
It turns out that certain Python modules (num...
Does List guarantee insertion order?
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edited Dec 20 '17 at 13:22
UuDdLrLrSs
6,47577 gold badges3232 silver badges5353 bronze badges
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Why is JSHINT complaining that this is a strict violation?
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function gotoPage(sorter, s) {
if (s <= sorter.d && s > 0) {
sorter.g = s;
sorter.page((s - 1) * sorter.p.size);
}
}
function pageChange(event, sorter) {
var dd = event.currentTarget;
gotoPage(sorter, dd[dd.selectedIndex].value);
}
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How do I strip non alphanumeric characters from a string and keep spaces?
...ces to the negated character group:
@search_query = @search_query.gsub(/[^0-9a-z ]/i, '')
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