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How to “properly” create a custom object in JavaScript?
...otype's this.x and this.y. If the constructor function were doing anything more complicated, it would fall flat on its face.
So what we need to do is find a way to create a prototype object which contains the methods and other members we want at a class level, without calling the base class's const...
Xml configuration versus Annotation based configuration [closed]
...ing to persisted in one way, then inlined meta-data (i.e. annotations) are more compact and readable.
If, however, your object model was reused in different applications in such a way that each application wanted to persist the model in different ways, then externalising the meta-data (i.e. XML des...
How do I redirect in expressjs while passing some context?
...assedVariable = req.query.valid;
// Do something with variable
});
For more dynamic way you can use the url core module to generate the query string for you:
const url = require('url');
app.get('/category', function(req, res) {
res.redirect(url.format({
pathname:"/",
query...
Putting an if-elif-else statement on one line?
...
If you need it to be more readable, you could put brackets around it, like this: a = 1 if i < 100 else (2 if i > 100 else 0) (Untested, but I think it should work)
– Zac
Sep 27 '16 at 16:48
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How to test multiple variables against a value?
...long as the size of the tuple is around 4-8 elements. If you have to scan more than that, use a set, but if you are looking for an item out of 2-4 possibilities, a tuple is still faster! If you can arrange for the most likely case to be first in the tuple, the win is even bigger: (my test: timeit....
Difference between “and” and && in Ruby?
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What's the point of NSAssert, actually?
...obust enough to carry on in an expected manner after their occurrence. The more practical approach is to crash the app and fix the bug found from the crash report and release a new version. Having said that, it is important to make sure that there is no data loss in any such situation. This has to b...
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
... was written 11 years ago, but now there are far better options to do this more cleanly in a single line, both using only Java built-in classes or using a utility library. See other answers below.
Since strings are immutable, you may want to use the StringBuilder class if you're going to alter th...
How can I know if a branch has been already merged into master?
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In C#, What is a monad?
...t a; b is basically again a computation that can be combined together with more stuff.
This is a simple monad, it is a way of combing small computations to bigger ones. The ; says "do the thing on the left, then do the thing on the right".
Another thing that can be seen as a monad in object oriente...