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What is the difference between self-types and trait subclasses?
...rement to mix-in a User is satisfied. However, the second requirement mentioned above is not satisfied: the burden of implementing User still remains for classes/traits which extend Right.
With RightAgain both requirements are satisfied. A User and an implementation of User are provided.
For mor...
How to get first 5 characters from string [duplicate]
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An alternative way to get only one character.
$str = 'abcdefghij';
echo $str{5};
I would particularly not use this, but for the purpose of education. We can use that to answer the question:
$newString = '';
for ($i = 0; $i < 5; $i++) {
$newString ....
Is there an expression for an infinite generator?
...ns on this particular theme (especially once you add lambda into the mix). One variant of particular note is iter(f, object()), as using a freshly created object as the sentinel value almost guarantees an infinite iterator regardless of the callable used as the first argument.
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Is it possible to specify a different ssh port when using rsync?
...though to be fair, the downside is it becomes invisible, ie, after a while one might forget it's in the ssh config file and not understand how it works, or one of your colleagues might copy/paste the command and not understand why it doesn't work in their account. Still, personally i prefer not hav...
Validating parameters to a Bash script
I came up with a basic one to help automate the process of removing a number of folders as they become unneeded.
10 Answers...
Unit tests vs Functional tests
...l Test != Integration Test You must be confusing "integration" of sub-components of system within each other such as persisting state etc. But in general sense Integration testing has a much wider scope.
– nabster
Mar 13 '15 at 19:41
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How can I group data with an Angular filter?
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(1) You can install angular-filter using 4 different methods:
clone & build this repository
via Bower: by running $ bower install angular-filter from your terminal
via npm: by running $ npm install angular-filter from your terminal
via cdnjs http://www.cdnjs.com/libraries/angula...
When to use next() and return next() in Node.js
..., ifs/elses/etc. You may forget ```return next()`
– Jone Polvora
Jul 25 '19 at 16:45
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Debugging JavaScript in IE7
... The Web Development Helper link given above is defunct. Can anyone confirm that this is the same tool hosted here? softpedia.com/get/Tweak/Browser-Tweak/…
– RMorrisey
Oct 3 '12 at 14:20
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C#: How to convert a list of objects to a list of a single property of that object?
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one of the best answers on SO! (could be my ignorance) :)
– nawfal
Jul 9 '12 at 19:10
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