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jQuery map vs. each
...you can potentially waste a lot of memory.
For example:
var items = [1,2,3,4];
$.each(items, function() {
alert('this is ' + this);
});
var newItems = $.map(items, function(i) {
return i + 1;
});
// newItems is [2,3,4,5]
You can also use the map function to remove an item from an array. F...
What does the “map” method do in Ruby?
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432
The map method takes an enumerable object and a block, and runs the block for each element, out...
Syntax for creating a two-dimensional array
...ti[0] = new int[10];
multi[1] = new int[10];
multi[2] = new int[10];
multi[3] = new int[10];
multi[4] = new int[10];
Note that every element will be initialized to the default value for int, 0, so the above are also equivalent to:
int[][] multi = new int[][]{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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Dealing with multiple Python versions and PIP?
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23 Answers
23
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Windows shell command to get the full path to the current directory?
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369
Use cd with no arguments if you're using the shell directly, or %cd% if you want to use it in ...
Twitter bootstrap 3 two columns full height
I'm trying to make two-column full-height layout with twitter bootstrap 3. It seems that twitter bootstrap 3 does not support full height layouts.
What I want to do:
...
Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23
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edited Dec 3 '15 at 1:20
CJBS
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a...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
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3 Answers
3
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Why am I getting a “401 Unauthorized” error in Maven?
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JohnJohn
6,54199 gold badges3535 silver badges9191 bronze badges
2
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Python - How to sort a list of lists by the fourth element in each list? [duplicate]
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unsorted_list.sort(key=lambda x: x[3])
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