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Real World Example of the Strategy Pattern
... of comments, etc), and in case management doesn't yet know exactly how to order, and may want to experiment with different orderings at a later date. You make an interface (IOrderAlgorithm or something) with an order method, and let an Orderer-object delegate the ordering to a concrete implementati...
Difference between volatile and synchronized in Java
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The first has to do with controlling when code executes (including the order in which instructions are executed) and whether it can execute concurrently, and the second to do with when the effects in memory of what has been done are visible to other threads. Because each CPU has several levels ...
Which characters need to be escaped in HTML?
...st:
http://www.theukwebdesigncompany.com/articles/entity-escape-characters.php
So you need to escape <, or & when followed by anything that could begin a character reference. Also The rule on ampersands is the only such rule for quoted attributes, as the matching quotation mark is the only th...
jquery - return value using ajax result on success
...on isSession(selector) {
$.ajax({
type: "POST",
url: '/order.html',
data: ({ issession : 1, selector: selector }),
dataType: "html",
success: function(data) {
// Run the code here that needs
// to access the data returned
...
MySQL indexes - what are the best practices?
...tant to understand what's going on.
Broadly speaking, an index imposes an ordering on the rows of a table.
For simplicity's sake, imagine a table is just a big CSV file. Whenever a row is inserted, it's inserted at the end. So the "natural" ordering of the table is just the order in which rows...
In which scenario do I use a particular STL container?
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You now have unordered_map and unordered_set (and their multi variants) which are not in the flow chart but are good picks when you don't care about order but need to find elements by key. Their lookup is usually O(1) instead of O(log n).
...
Does Python have a ternary conditional operator?
... mind that it's frowned upon by some Pythonistas for several reasons:
The order of the arguments is different from those of the classic condition ? a : b ternary operator from many other languages (such as C, C++, Go, Perl, Ruby, Java, Javascript, etc.), which may lead to bugs when people unfamilia...
Callback when CSS3 transition finishes
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This is a borderline link-only answer. You should expand your answer to include as much information here, and use the link only for reference.
– Goodbye StackExchange
Oct 31 '18 at 22:33
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Are static variables shared between threads?
...ppens-before every action in that thread that comes later in the program's order.
An unlock (synchronized block or method exit) of a monitor happens-before every subsequent lock (synchronized block or method entry) of that same monitor. And because the happens-before relation is transitive, all act...
JSON.Net Self referencing loop detected
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Add "[JsonIgnore]" to your model class
{
public Customer()
{
Orders = new Collection<Order>();
}
public int Id { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
[JsonIgnore]
public ICollection<Order> Orders { get; set; }
}
...