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Ignore python multiple return value
... of the tuple you wish to ignore. For instance:
def f():
return 1, 2, 3
_, _, x = f()
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how to break the _.each function in underscore.js
...s, you could do something convoluted like this (link to JSFiddle):
[1, 2, 3, 4].every(function(n) {
alert(n);
return n !== 3;
});
This will alert 1 through 3, and then "break" out of the loop.
You're using underscore.js, so you'll be pleased to learn that it does provide an every method...
Javascript calculate the day of the year (1 - 366)
How do I use javascript to calculate the day of the year, from 1 - 366? For example:
22 Answers
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App Inventor 2 扩展 · App Inventor 2 中文网
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2.1 Importing extension components
2.2 Some sample extensions to try
2.3 Building projects with extension components
2.4 Deleting extension components
2.5 Sharing projects that use extension components
2.6 Extension component repositories
2.7 Naming extension components
2.8 Updating project...
Check if an element is present in an array [duplicate]
...ecifically solves the problem, and so is now the preferred method.
[1, 2, 3].includes(2); // true
[1, 2, 3].includes(4); // false
[1, 2, 3].includes(1, 2); // false (second parameter is the index position in this array at which to begin searching)
As of JULY 2018, this has been implement...
Loop through an array of strings in Bash?
...## declare an array variable
declare -a arr=("element1" "element2" "element3")
## now loop through the above array
for i in "${arr[@]}"
do
echo "$i"
# or do whatever with individual element of the array
done
# You can access them using echo "${arr[0]}", "${arr[1]}" also
Also works for mult...
Add object to ArrayList at specified index
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You can do it like this:
list.add(1, object1)
list.add(2, object3)
list.add(2, object2)
After you add object2 to position 2, it will move object3 to position 3.
If you want object3 to be at position3 all the time I'd suggest you use a HashMap with position as key and object as a value....
How to have the cp command create any necessary folders for copying a file to a destination [duplica
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283
To expand upon Christian's answer, the only reliable way to do this would be to combine mkdir an...
Intersection of two lists in Bash
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answered Apr 23 '10 at 3:58
ghostdog74ghostdog74
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How do you run multiple programs in parallel from a bash script?
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psmearspsmears
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