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Why would a JavaScript variable start with a dollar sign? [duplicate]
...(_) are permitted anywhere in an IdentifierName.
As such, the $ sign may now be used freely in variable names. Certain frameworks and libraries have their own conventions on the meaning of the symbol, noted in other answers here.
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Modular multiplicative inverse function in Python
...: I'm the current maintainer of the gmpy library.
Updated answer 2
gmpy2 now properly raises an exception when the inverse does not exists:
>>> import gmpy2
>>> gmpy2.invert(0,5)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ZeroDivisionEr...
How to verify that method was NOT called in Moq?
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Expect is now deprecated
– Tomasz Sikora
Jul 30 '13 at 11:09
5
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Understanding the difference between Object.create() and new SomeFunction()
...e have two objects a and b.
var a = new Object();
var b = new Object();
Now, suppose a has some methods which b also wants to access. For that, we require object inheritance (a should be the prototype of b only if we want access to those methods). If we check the prototypes of a and b then we wil...
Converting a Java Keystore into PEM Format
... I think it's from JDK 6 onward. But yes, a PKCS #12 import is now supported.
– erickson
Oct 4 '10 at 6:11
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CodeIgniter: Create new helper?
...s and display it in a page. The arrays are generated by a module class. I know that its better not to include functions on 'views' and I want to know where to insert the functions file.
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How can I quantify difference between two images?
...*255/rng
Run the main function:
if __name__ == "__main__":
main()
Now you can put this all in a script and run against two images. If we compare image to itself, there is no difference:
$ python compare.py one.jpg one.jpg
Manhattan norm: 0.0 / per pixel: 0.0
Zero norm: 0 / per pixel: 0.0
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Test PHP headers with PHPUnit
...ike a charm. But I think "joonty" user's solution is the best of all up to now.
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Could not find method compile() for arguments Gradle
Looked around for this solution for much too long now, and I'm not sure if I missed it or just misstyped something, but my Gradle script will not compile. I am migrating to Gradle, and am very new with it. I am very used to using Maven for dependency management, but Gradle seems best me for now. Fro...
iOS JavaScript bridge
...going to use both HTML5 in UIWebView and native iOS framework together. I know that I can implement communication between JavaScript and Objective-C. Are there any libraries that simplify implementing this communication? I know that there are several libraries to create native iOS apps in HTML5 and ...