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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...
One simple way is to append your list items in a StringBuilder
List<Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
list.add(3);
StringBuilder b = new StringBuilder();
list.forEach(b::append);
System.out.println(b...
Unit testing that events are raised in C# (in order)
... }
index++;
};
foreach (var item in properties)
{
// use setter of property
item.SetValue(inputClass, GetPropertyValue(inputClass, item.Name));
}
return matchedName == properties.Coun...
using href links inside tag
...t;option value="Contact.php">Contact</option>
<option value="Sitemap.php">Sitemap</option>
</select>
UPDATE (Nov 2015): In this day and age if you want to have a drop menu there are plenty of arguably better ways to implement one. This answer is a direct answer to a dir...
What is Express.js?
...orks to consider (https://www.quora.com/Node-js/Which-Node-js-framework-is-best-for-building-a-RESTful-API):
UPDATE: I put together this resource that aid people in choosing Node.js frameworks: http://nodeframework.com
UPDATE2: We added some GitHub stats to nodeframework.com so now you can compare...
How to declare an array in Python?
...[]
# init with values (can contain mixed types)
arr = [1, "eels"]
# get item by index (can be negative to access end of array)
arr = [1, 2, 3, 4, 5, 6]
arr[0] # 1
arr[-1] # 6
# get length
length = len(arr)
# supports append and insert
arr.append(8)
arr.insert(6, 7)
Theoretical answer
Under ...
Why should I use Deque over Stack?
I need a Stack data structure for my use case. I should be able to push items into the data structure and I only want to retrieve the last item from the Stack. The JavaDoc for Stack says :
...
Assert equals between 2 Lists in Junit
...sts... But sure, comparing strings via their toString() version is not the best way.
– walen
Jun 6 '19 at 7:40
add a comment
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How to count total number of watches on a page?
...var watchersWithoutDuplicates = [];
angular.forEach(watchers, function(item) {
if(watchersWithoutDuplicates.indexOf(item) < 0) {
watchersWithoutDuplicates.push(item);
}
});
console.log(watchersWithoutDuplicates.length);
})();
Thanks to erilem for pointi...
HTML: Include, or exclude, optional closing tags?
...arder to create erroneous ul > ul tree.
Valid:
<ul>
<li>item
<ul>
<li>item
</ul>
</ul>
Invalid:
<ul>
<li>item</li>
<ul>
<li>item</li>
</ul>
</ul>
And keep in mind that end tags are impli...
Writing Unicode text to a text file?
...io module (this is the same as the builtin open in Python 3):
import io
Best practice, in general, use UTF-8 for writing to files (we don't even have to worry about byte-order with utf-8).
encoding = 'utf-8'
utf-8 is the most modern and universally usable encoding - it works in all web browser...