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How do I use the includes method in lodash to check if an object is in the collection?
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The includes (formerly called contains and include) method compares objects by reference (or more precisely, with ===). Because the two object literals of {"b": 2} in your example represent different instances, they are not equal. Notice:
({"b": 2} === {"b": 2})
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How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)
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Update
This answer is, as I write this, nearly eight years old, and about five years stale. But it's still (as I write this) the "accepted" answer, because it answered the question when it was asked.
The newer answer, that applies to the newer Android Studio tools, can be found here: htt...
Overriding superclass property with different type in Swift
...properties. Instead you can create an extra variable in the subclass that handles the new class type:
class Chassis {}
class RacingChassis : Chassis {}
class Car {
var chassis = Chassis()
}
class RaceCar: Car {
var racingChassis = RacingChassis()
override var chassis: Chassis {
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List of tuples to dictionary
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@chandresh This does work in Python 3, so no update is required.
– Sven Marnach
Apr 17 '18 at 13:48
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Twitter Bootstrap: Text in navbar
...d be able to "Wrap strings of text in a <p> tag for proper leading and color." When I do this, at any level under navbar it simply doesn't inherit any of the navbar classes. Wrapping the string in <a> tags renders it but it shouldn't be an anchor.
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Iterating each character in a string using Python
...for loop construct,
for example, open("file.txt") returns a file object (and opens the file), iterating over it iterates over lines in that file
with open(filename) as f:
for line in f:
# do something with line
If that seems like magic, well it kinda is, but the idea behind it is re...
What does set -e mean in a bash script?
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From help set :
-e Exit immediately if a command exits with a non-zero status.
But it's considered bad practice by some (bash FAQ and irc freenode #bash FAQ authors). It's recommended to use:
trap 'do_something' ERR
to run do_something function when errors occur.
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Postgresql aggregate array
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What I understand you can do something like this:
SELECT p.p_name,
STRING_AGG(Grade.Mark, ',' ORDER BY Grade.Mark) As marks
FROM Student
LEFT JOIN Grade ON Grade.Student_id = Student.Id
GROUP BY Student.Name;
EDIT
I am not sure. B...
Using Excel OleDb to get sheet names IN SHEET ORDER
... That's code I'd like to see! How can you query for 'the Nth sheet' and the number of sheets?
– Steve Cooper
Jul 23 '09 at 8:27
13
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Call a global variable inside module
...p;A format though as I am suggesting they do add specific type information and the answer shows how and where they would put it.
– Fenton
Nov 7 '12 at 13:53
14
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