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Scala vs. Groovy vs. Clojure [closed]
Can someone please explain the major differences between Scala, Groovy and Clojure. I know each of these compiles to run on the JVM but I'd like a simple comparison between them.
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How do I create a random alpha-numeric string in C++?
...dad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do wonders:
#include <iostream>
#include <ctime>
#include <unistd.h>
using namespace std;
string gen_random(const int len) {
string tmp_s;
sta...
Access to private inherited fields via reflection in Java
...();
and acces to private members via class.getFields()
But i'm looking for private inherited fields.
How can i achieve this?
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Django get the static files URL in view
I'm using reportlab pdfgen to create a PDF. In the PDF there is an image created by drawImage . For this I either need the URL to an image or the path to an image in the view. I managed to build the URL but how would I get the local path to the image?
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Image fingerprint to compare similarity of many images
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Normal hashing or CRC calculation algorithms do not work well with image data. The dimensional nature of the information must be taken into account.
If you need extremely robust fingerprinting, such that affine transformation...
What is the Swift equivalent to Objective-C's “@synchronized”?
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You can use GCD. It is a little more verbose than @synchronized, but works as a replacement:
let serialQueue = DispatchQueue(label: "com.test.mySerialQueue")
serialQueue.sync {
// code
}
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How do you round a number to two decimal places in C#?
...following overload:
Math.Round(a, 2, MidpointRounding.ToEven);
There's more information on it here.
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Difference between == and === in JavaScript [duplicate]
...tween == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?
2 Answers
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ReactJS render string with non-breaking spaces
... by browsers because of its abuse by phishing schemes. See kb.mozillazine.org/Network.IDN.blacklist_chars
– Perry Tew
Sep 15 '16 at 20:14
2
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Calling parent class __init__ with multiple inheritance, what's the right way?
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Both ways work fine. The approach using super() leads to greater flexibility for subclasses.
In the direct call approach, C.__init__ can call both A.__init__ and B.__init__.
When using super(), the classes need to be designed for c...