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What Does Question Mark Mean in Xcode Project Navigator?
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It's the file untracked by source control.
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Java List.contains(Object with field value equal to x)
I want to check whether a List contains an object that has a field with a certain value. Now, I could use a loop to go through and check, but I was curious if there was anything more code efficient.
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Dynamic constant assignment
...hod you are assigning a new value to the constant. This is not allowed, as it makes the constant non-constant; even though the contents of the string are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example:
def foo
p "bar".ob...
How to override trait function and call it from the overridden function?
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Your last one was almost there:
trait A {
function calc($v) {
return $v+1;
}
}
class MyClass {
use A {
calc as protected traitcalc;
}
function calc($v) {
$v++;
return $this->traitcalc($v);
}
}
The ...
Best way to store date/time in mongodb
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edited Feb 10 '14 at 10:52
Dan Dascalescu
98.3k3636 gold badges263263 silver badges333333 bronze badges
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How to include js file in another js file? [duplicate]
...ipt file in an HTML page, not in another script file. That said, you can write JavaScript which loads your "included" script into the same page:
var imported = document.createElement('script');
imported.src = '/path/to/imported/script';
document.head.appendChild(imported);
There's a good chance y...
git mv and only change case of directory
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You are in a case insensitive environment. Further, adding with out the -A will not take care of the remove side of the mv as Git understands it. Warning! Ensure that no other changes or untracked files are around when you do this or they will get c...
How do I parse JSON with Ruby on Rails? [duplicate]
I'm looking for a simple way to parse JSON, extract a value and write it into a database in Rails.
12 Answers
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How to print the full NumPy array, without truncation?
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edited Mar 21 '19 at 21:15
community wiki
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How to escape apostrophe (') in MySql?
The MySQL documentation says that it should be \' . However, both scite and mysql shows that '' works. I saw that and it works. What should I do?
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