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Get first n characters of a string
...}
Update 3:
It's been a while since I wrote this answer and I don't actually use this code any more. I prefer this function which prevents breaking the string in the middle of a word using the wordwrap function:
function truncate($string,$length=100,$append="…") {
$string = trim($st...
Precedence and bitmask operations
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You are actually doing this:
var_dump(0b10 & (0b01 == 0));
var_dump(0b10 & (0b01 != 0));
Try:
var_dump((0b10 & 0b01) == 0);
var_dump((0b10 & 0b01) != 0);
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How to amend several commits in Git to change author
...author-info, which also adds --tag-name-filter cat to the filter-branch in order to migrate tags to the new history. It also uses --branches --tags instead of --all, which only rewrites branch and tag history and leaves other refs alone (though that probably doesn't make much of a difference unless ...
Difference between array_push() and $array[] =
In the PHP manual, ( array_push ) says..
9 Answers
9
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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Yes, the order of elements in a python list is persistent.
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How do I concatenate two lists in Python?
...sts.
The upside to this approach is that you really don't need lists in order to perform it, anything that is iterable will do. As stated in the PEP:
This is also useful as a more readable way of summing iterables into a
list, such as my_list + list(my_tuple) + list(my_range) which is now
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How to 'insert if not exists' in MySQL?
... any AUTO_INCREMENT column with failed insert. Probably because it's not really failed, but UPDATE'd.
– not2qubit
Oct 29 '13 at 21:36
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ExpressJS How to structure an application?
...don't need it. It is in lots of boilerplate due to mindless copypasta.
THE ORDER OF MIDDLEWARE AND ROUTES IN EXPRESS MATTERS!!!
Almost every routing problem I see on stackoverflow is out-of-order express middleware
In general, you want your routes decoupled and not relying on order that much
Don't...
Select random row from a sqlite table
...a look at Selecting a Random Row from an SQLite Table
SELECT * FROM table ORDER BY RANDOM() LIMIT 1;
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...#sortBy method accepts a function A => B where B is required to have an Ordering. Ordering is a type-class. Think best of both worlds: Like Comparable, it's implicit for the type in question, but like Comparator, it's extensible and can be added retrospectively to types that did not have it. Sinc...