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SortedList, SortedDictionary and Dictionary
... for
SortedList(TKey, TValue).
If the list is populated all at once from sorted data,
SortedList(TKey, TValue) is faster than SortedDictionary(TKey,
TValue).
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Comparator.reversed() does not compile using lambda
...dditional type information that fills this gap. This information is absent from the third line, so the compiler infers u to be Object (the inference fallback of last resort), which fails.
Obviously if you can use a method reference, do that and it'll work. Sometimes you can't use a method reference...
How to Save Console.WriteLine Output to Text File
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Try this example from this article - Demonstrates redirecting the Console output to a file
using System;
using System.IO;
static public void Main ()
{
FileStream ostrm;
StreamWriter writer;
TextWriter oldOut = Console.Out;
t...
How do you handle multiple submit buttons in ASP.NET MVC Framework?
Is there some easy way to handle multiple submit buttons from the same form? For example:
35 Answers
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private final static attribute vs private final attribute
... final over private static final to squeeze out/reclaim that little memory from the class? Let's say for the calculator device with limited ram but plenty of CPU resources.
– Win Myo Htet
Jun 14 '13 at 21:29
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How to check if an array value exists?
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Using: in_array()
$search_array = array('user_from','lucky_draw_id','prize_id');
if (in_array('prize_id', $search_array)) {
echo "The 'prize_id' element is in the array";
}
Here is output: The 'prize_id' element is in the array
Using: array_key_exists()
$sear...
Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
....com/javaee/5/tutorial/doc/bnahq.html which served as a template for SpEL. From the Spring docu: "The Spring Expression Language (SpEL for short) is a powerful expression language that supports querying and manipulating an object graph at runtime. The language syntax is similar to Unified EL but off...
Why does CSS work with fake elements?
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YADA (yet another (different) answer)
Edit: Please see the comment from BoltClock below regarding type vs tag vs element. I usually don't worry about semantics but his comment is very appropriate and informative.
Although there are already a bunch of good replies, you indicated that your p...
Why declare a struct that only contains an array in C?
... you to pass the array to a function by value, or get it returned by value from a function.
Structs can be passed by value, unlike arrays which decay to a pointer in these contexts.
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
...clear reasons why not.
There are a few answers here which suggest methods from CollectionUtils in the Apache Commons Collections library but none has spotted the most beautiful, elegant way of answering this question:
Collection<Object> culprits = CollectionUtils.disjunction( list1, list2 );...