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Javascript Drag and drop for touch devices [closed]
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You can use the Jquery UI for drag and drop with an additional library that translates mouse events into touch which is what you need, the library I recommend is https://github.com/furf/jquery-ui-touch-punch, with this your drag and drop from Jquery UI should work on touch devises
or you...
Efficient way to insert a number into a sorted array of numbers?
... out inserting 1000 random elements into an array of 100,000 pre-sorted numbers using the two methods using Chrome on Windows 7:
First Method:
~54 milliseconds
Second Method:
~57 seconds
So, at least on this setup, the native method doesn't make up for it. This is true even for small data sets, ...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
...ting record fields. In GHCi you can do --
> data Foo = Foo { a :: Int, b :: Int, c :: String } -- define a Foo
> let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo
> let updateFoo x = x { c = "Goodbye" } -- function to update Foos
> updateFoo foo ...
How to convert float to int with Java
I used the following line to convert float to int, but it's not as accurate as I'd like:
7 Answers
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How can I convert JSON to CSV?
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First, your JSON has nested objects, so it normally cannot be directly converted to CSV. You need to change that to something like this:
{
"pk": 22,
"model": "auth.permission",
"codename": "add_logentry",
"content_type": 8,
"name": "...
Is there a “null coalescing” operator in JavaScript?
...d, and otherwise returns its left-hand-side operand.
Please check compatibility before using it.
The JavaScript equivalent of the C# null coalescing operator (??) is using a logical OR (||):
var whatIWant = someString || "Cookies!";
There are cases (clarified below) that the behaviour won't ...
How do I rename a local Git branch?
...te branch, as described in Rename master branch for both local and remote Git repositories .
33 Answers
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var functionName = function() {} vs function functionName() {}
...ve recently started maintaining someone else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent.
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ALTER TABLE to add a composite primary key
I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination.
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How to use setArguments() and getArguments() methods in Fragments?
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You have a method called getArguments() that belongs to Fragment class.
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