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How to get all properties values of a JavaScript Object (without knowing the keys)?
...ittle more compact or you want to be careful with functions in loops, then Array.prototype.forEach is your friend:
Object.keys(obj).forEach(function (key) {
var val = obj[key];
// use val
});
The next method builds an array containing the values of an object. This is convenient for loopin...
How to convert an array of strings to an array of floats in numpy?
...
Well, if you're reading the data in as a list, just do np.array(map(float, list_of_strings)) (or equivalently, use a list comprehension). (In Python 3, you'll need to call list on the map return value if you use map, since map returns an iterator now.)
However, if it's already a nu...
Is there a difference between foreach and map?
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Array.protototype.map method & Array.protototype.forEach are both quite similar.
Run the following code: http://labs.codecademy.com/bw1/6#:workspace
var arr = [1, 2, 3, 4, 5];
arr.map(function(val, ind, arr){
conso...
Where is Java's Array indexOf?
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There are a couple of ways to accomplish this using the Arrays utility class.
If the array is not sorted and is not an array of primitives:
java.util.Arrays.asList(theArray).indexOf(o)
If the array is primitives and not sorted, one should use a solution offered by one of the o...
How to sort an array of associative arrays by value of a given key in PHP?
Given this array:
19 Answers
19
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How to compare arrays in C#? [duplicate]
How can I compare two arrays in C#?
6 Answers
6
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Get the last item in an array
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if (loc_array[loc_array.length - 1] === 'index.html') {
// do something
} else {
// something else
}
In the event that your server serves the same file for "index.html" and "inDEX.htML" you can also use: .toLowerCase().
Thou...
How to convert a char array to a string?
Converting a C++ string to a char array is pretty straightorward using the c_str function of string and then doing strcpy . However, how to do the opposite?
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How to store values from foreach loop into an array?
Need to store values from foreach loop into an array, need help doing that.
8 Answers
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From an array of objects, extract value of a property as array
I have JavaScript object array with the following structure:
16 Answers
16
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