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Convert tuple to list and back
... array. It is a table of elements (usually numbers), all of the same type, indexed by a tuple of positive integers.
– pradyunsg
Dec 4 '16 at 3:25
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...
Automatic counter in Ruby for each?
...
As people have said, you can use
each_with_index
but if you want indices with an iterator different to "each" (for example, if you want to map with an index or something like that) you can concatenate enumerators with the each_with_index method, or simply use with_i...
how to split the ng-repeat data with three columns using bootstrap
...">
<div class="column" ng-repeat="item in row">
{{($parent.$index*row.length)+$index+1}}. {{item}}
</div>
</div>
Order items vertically
1 4
2 5
3 6
Regarding vertical columns (list top to bottom) rather than horizontal (left to right), the exact implementation de...
Returning binary file from controller in ASP.NET Web API
...llManagedModulesForAllRequests can now be omitted.
– Index
Oct 9 '15 at 12:41
1
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Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...tacking order.
Positioning the pseudo-element (absolute) and assigning a z-index value other than “auto” creates the new stacking context.
#element {
position: relative; /* optional */
width: 100px;
height: 100px;
background-color: blue;
}
#element::after {
co...
MyListView 拓展：可定制列表 · App Inventor 2 中文网
...子列表
AddEmptyElement()
添加一个空行
SetElement(elementIndex, element)
替换指定位置的数据（从 1 开始）
SetElementText(elementIndex, text)
设置指定位置的文本
SetElementMainText(elementIndex, mainText)
设置主文本
SetElementSubText(elementInd...
Use CSS3 transitions with gradient backgrounds
...ground-image: linear-gradient($start, $end);
position: relative;
z-index: 100;
&:before {
background-image: linear-gradient($end, $start);
content: "";
display: block;
height: 100%;
position: absolute;
top: 0; left: 0;
opacity: ...
Ignore files that have already been committed to a Git repository [duplicate]
...repository that I added a .gitignore file to. How can I refresh the file index so the files I want ignored get ignored?
2...
How do I programmatically determine if there are uncommitted changes?
...ctions if there are uncommitted changes (either in the working tree or the index). What's the cleanest and most efficient way to do that? A command that exits with a return value of zero in one case and non-zero in the other would suit my purposes.
...
Check if an array contains any element of another array in JavaScript
....some(r=> arr2.includes(r))
ES6:
const found = arr1.some(r=> arr2.indexOf(r) >= 0)
How it works
some(..) checks each element of the array against a test function and returns true if any element of the array passes the test function, otherwise, it returns false. indexOf(..) >= 0 and...