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Is it possible to use 'else' in a list comprehension? [duplicate]
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Comprehensions can also be nested to create "multi-dimensional" lists ("arrays"):
>>> [[i for j in range(i)] for i in range(3)]
[[], [1], [2, 2]]
Last but not least, a comprehension is not limited to creating a list, i.e. else and if can also be used the same way in a set comprehens...
Which is better, return value or out parameter?
...ss in an argument for an "out" parameter, you have to pass in a variable. (Array elements are classified as variables too.) The method you call doesn't have a "new" variable on its stack for the parameter - it uses your variable for storage. Any changes in the variable are immediately visible. Here'...
Difference between setTimeout with and without quotes and parentheses
... @user1316123 functions are never copied. same with objects and arrays. they are passed by reference. you should stop reading w3schools. they are doing more harm than good
– Joseph
Apr 25 '12 at 9:47
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What does [ N … M ] mean in C aggregate initializers?
...he range based construct, which are then further used for initializing the array of pointers.
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How to make links in a TextView clickable?
...work accordingly, e.g. <b>...</b> etc.
– Array
Aug 10 '18 at 12:52
Get type of a generic parameter in Java with reflection
...e. So now we can access concrete types for our generics.
Line 6 gets the array of types mapped into our generics, in order as declared in the class code. For this example we pull out the first parameter. This comes back as a Type.
Line 2 casts the final Type returned to a Class. This is safe b...
How to convert CharSequence to String?
... @WillByers that output looks like the toString of a CharSequence array, not a CharSequence.
– Mike Samuel
Jul 25 '18 at 13:45
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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
... Without using fetch (join term only), the result would be an array of collections, two rows, the first is a collection of Employees and the second is a collection of Departments. Using eager fetch or lazy fetch, departments will be fetched.
– Bilal BBB
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Performance of Java matrix math libraries? [closed]
... SSE instructions, but only one per operation); accesses to elements of an array are compiled to use "raw" MOV instructions as you'd expect; it makes decisions on how to allocate variables to registers when it can; it re-orders instructions to take advantage of processor architecture... A possible e...
Facebook access token server-side validation for iPhone app
...ss_token)
{
include_once "facebook.php";
$facebook = new Facebook(array(
"appId" => "your_application_id",
"secret" => "your_application_secret"
));
$facebook->setAccessToken($access_token);
return $facebook->api("/me", "GET");
}
You can download th...
