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Checking user's homepage in Internet Explorer
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Internet Explorer makes it possible to ask it whether a given URL is the home page, it's detailed on this MSDN page. That links to this example page demonstrating the API.
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
...e FirstOrDefault. The exception is what makes it SingleOrDefault. Good point bringing it up, and puts a nail on the coffin of differences.
– Fabio S.
Dec 10 '14 at 18:33
17
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nonlocal keyword in Python 2.x
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d['y'] += 1
return d['y']
return inner
f = outer()
print(f(), f(), f()) #prints 1 2 3
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What is the difference between HashSet and List?
...bers.
Because a HashSet is constrained to contain only unique entries, the internal structure is optimised for searching (compared with a list) - it is considerably faster
Adding to a HashSet returns a boolean - false if addition fails due to already existing in Set
Can perform mathematical set oper...
Remove elements from collection while iterating
... there.
Considerations:
What method you use might depend on what you are intending to do
The collect and removeAl technique works with any Collection (Collection, List, Set, etc).
The ListIterator technique obviously only works with lists, provided that their given ListIterator implementation o...
Keeping ASP.NET Session Open / Alive
...at").show().fadeOut(1000); // just a little "red flash" in the corner :)
into
beatHeart(2); // just a little "red flash" in the corner :)
and add
// beat the heart
// 'times' (int): nr of times to beat
function beatHeart(times) {
var interval = setInterval(function () {
$(".heartb...
How can I check if a method is static using reflection?
...d.getModifiers()).
/**
* Returns the public static methods of a class or interface,
* including those declared in super classes and interfaces.
*/
public static List<Method> getStaticMethods(Class<?> clazz) {
List<Method> methods = new ArrayList<Method>();
for (...
Boolean.hashCode()
...composite numbers (non-primes), say 1000 and 2000. When inserting booleans into a hash table, true and false would go into bucket 1000 % N resp 2000 % N (where N is the number of buckets).
Now notice that
1000 % 8 same bucket as 2000 % 8
1000 % 10 same bucket as 2000 % 10
1000 % 20 same bucket ...
Calculate text width with JavaScript
...me browsers, this method yields sub-pixel accuracy (result is a floating point number), on others it does not (result is only an int). You might want to run Math.floor (or Math.ceil) on the result, to avoid inconsistencies. Since the DOM-based method is never sub-pixel accurate, this method has even...
WPF Command Line
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Can you interact with the console (Console.ReadLine/WriteLine) at that point?
– Kieran Benton
Nov 16 '09 at 10:33
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