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How to avoid overflow in expr. A * B - C * D
...nteger library (e.g. http://gmplib.org/) or representing using a struct or array and implementing a kind of long multiplication (i.e. separating each number to two 32bit halves and performing the multiplication as below:
(R1 + R2 * 2^32 + R3 * 2^64 + R4 * 2^96) = R = A*B = (A1 + A2 * 2^32) * (B1 + ...
How does the static modifier affect this code?
...lue before its value is
used: Each class variable, instance variable, or array component is
initialized with a default value when it is created (§15.9, §15.10):
For type byte, the default value is zero, that is, the value of
(byte)0. For type short, the default value is zero, that is, the ...
What do REFRESH and MERGE mean in terms of databases?
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@Rosdi Kasim: The CascadeType defaults to an empty array.
– user1438038
May 19 '15 at 8:30
@ch...
How do I pass JavaScript variables to PHP?
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how about how will i get the db arrays and pass it on the javascript everytime i submit a new form. then the variable in javascript will also change. how? help me. :(
– Vincent
Nov 2 '13 at 1:40
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ManyRelatedManager object is not iterable
...ually iterate over a manytomany in a function.
As a template you can do:
array = many_to_many.all()
for x in many_to_many:
function here
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fo...
Loading/Downloading image from URL on Swift
... Thanks skywinder, I am using this method for downloading images from array. I want when user press on cancel button it stops downloading. Have you any idea how i can do this with using this method? I've need to add cancel functionality.
– ZAFAR007
Jul 19 ...
Why java.util.Optional is not Serializable, how to serialize the object with such fields
...uppValue;
....
List<Integer> temp = value
.map(v -> v.map(Arrays::asList).orElseGet(ArrayList::new))
.orElse(null);
this.suppValue = (Supplier<Optional<Integer>> & Serializable)() -> temp==null ? Optional.empty() : temp.stream().findFirst();
Having the t...
How to detect if a function is called as constructor?
... this also doesn't work if something like "x.prototype = new Array()", and the x.prototype.constructor field isn't re-assigned.
– Claudiu
Feb 9 '09 at 1:34
3
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How to get the function name from within that function?
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@adi518: not necessarily .. suppose you have any array of functions and you iterating over it, using for/foreach ..then arr[index].name will also work :)
– Debasish Chowdhury
Nov 25 '18 at 4:42
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NSString: isEqual vs. isEqualToString
...t; is used to provide specific checks for equality. For instance; isEqualToArray: checks that the arrays contain an equal number of objects, and that the objects at a given index return YES for the isEqual: test.
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