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Compare floats in php
...less and they'd prefer 0.1 instead. And writing a number so that it can be read again in exactly the same way. As you see, it's not as clear-cut as you make it out to be. And for the record, you still want to compare floating-point numbers like I have shown because you can arrive at $a and $b via di...
How do you remove an array element in a foreach loop?
... return $e != $found_tag['name'];
});
As the php documentation reads:
As foreach relies on the internal array pointer in PHP 5, changing it within the loop may lead to unexpected behavior.
In PHP 7, foreach does not use the internal array pointer.
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JPA eager fetch does not join
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@vbezhenar (and othes reading his comment some time later) : JOIN query generate cartesian product in database so you should be sure that you want that cartesian product to be computed. Note that if you use the fetch join, even if you put LAZY it ...
For-each over an array in JavaScript
... for loop,
or for-in with safeguards.
But there's lots more to explore, read on...
JavaScript has powerful semantics for looping through arrays and array-like objects. I've split the answer into two parts: Options for genuine arrays, and options for things that are just array-like, such as the...
Flatten an irregular list of lists
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Using generator functions can make your example a little easier to read and probably boost the performance.
Python 2
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yiel...
git diff two files on same branch, same commit
...es that he's not specifically looking for a git diff but simply an easy to read diff. Also the fact he accepted my answer as what he was looking for also indicates that it does in fact answer it.
– JaredMcAteer
Apr 27 '16 at 20:00
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Checking Bash exit status of several commands efficiently
...vidual
# command fails.
#
# Example:
# step "Remounting / and /boot as read-write:"
# try mount -o remount,rw /
# try mount -o remount,rw /boot
# next
step() {
echo -n "$@"
STEP_OK=0
[[ -w /tmp ]] && echo $STEP_OK > /tmp/step.$$
}
try() {
# Check for `-b'...
What is the difference between a field and a property?
...ws you to trigger methods (as events), or logging when the value is set or readed.
– coloboxp
Oct 24 '16 at 10:39
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How to negate specific word in regex? [duplicate]
...me sort of low-performance task anyway, so find a solution that is easy to read, easy to understand and easy to maintain.
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How to implement a queue with three stacks?
...using lazy evaluation). He did know of an algorithm using 6 stacks as we already know looking at the answers here. So I guess the question is still open to find an algorithm (or prove one cannot be found)."
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