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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 ....
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...
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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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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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...
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...
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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Why is it bad style to `rescue Exception => e` in Ruby?
...to:
begin
# iceberg!
rescue StandardError => e
# lifeboats
end
One of the few common cases where it’s sane to rescue from Exception is for logging/reporting purposes, in which case you should immediately re-raise the exception:
begin
# iceberg?
rescue Exception => e
# do some l...
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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