iSwift | A Swift kernel for IPython | Code Editor library
kandi X-RAY | iSwift Summary
kandi X-RAY | iSwift Summary
iSwift is the kernel IPython/Notebook implementation for Swift programming language.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of iSwift
iSwift Key Features
iSwift Examples and Code Snippets
Community Discussions
Trending Discussions on iSwift
QUESTION
I need to implement following layout using IB
http://www.giphy.com/gifs/tK0FNSHglOSyg8sVWx
I am currently using the following Structure
...ANSWER
Answered 2018-Sep-27 at 06:35Alright, the culprit was following code, constraint and everything was set correctly, but when I update the constant of height constraint in viewWillLayoutSubviews, although the constant value gets updated, collection view scrolling stops working. And here I was searching the issue in IB thinking it is a constraint issue.
QUESTION
I know that (Int) -> Void
can't be typecasted to (Any) -> Void
:
ANSWER
Answered 2018-Feb-19 at 12:22It's all about variance and Swift closures.
Swift is covariant in respect to closure return type, and contra-variant in respect to its arguments. This makes closures having the same return type or a more specific one, and same arguments or less specific, to be compatible.
Thus (Arg1) -> Res1
can be assigned to (Arg2) -> Res2
if Res1: Res2
and Arg2: Arg1
.
To express this, let's tweak a little bit the first closure:
QUESTION
I have been working with sorting algorithm and I found out that quicksort doesn't work correctly with swap function without a temporary variable. I have attached the code below. You can execute this code in swift playground, its written in swift. This is the link to execute this code online. Please let me know any other info you require to sort this out. I would really appreciate if somebody can explain this.
Note - I have commented the two kinda code in swap functions. one without temporary variable and other is a temporary variable. This code perfectly works with swap function with a temporary variable.
...ANSWER
Answered 2017-Oct-13 at 22:09Your "swap without temporary variable" does not work if both arguments point to the same array element:
QUESTION
I am stuck in a very weird situation.When i create an IPA and install it in to any device, its crashing at one fixed point.But when i install directly from xcode to device, it works perfectly fine and no crashes.Tried almost every possible solution available, deleting the build folder, cleaning, removing files and adding them again etc.. Below is the crash log for refernce. Any help would be appreciated THanks
...ANSWER
Answered 2017-Mar-22 at 08:05please see on these lines
(i) [KossexViewController tableView:heightForHeaderInSection:] (KossexViewController.m:1373
(ii) [KossexViewController createBody]_block_invoke (KossexViewController.m:397
if everythink is perfect then edit your scheme from debug to release mode.
QUESTION
I would like to remove duplicates of lines in a string with Swift 3. I got to do it but unfortunately at the end of the process the lines lost the order. Here is my code:
...ANSWER
Answered 2017-Mar-16 at 16:04Tweaking @LeoDabus' comment…
QUESTION
When defining a class in Swift, you can have var
properties which are like normal fields in other OOP languages, but also let
properties which are both read-only and immutable (like T const * const
in C++).
However is there a Swift equivalent of C++'s T * const
? (That is, the field itself is immutable, but the object it points to is mutable)?
Here's a representation of my scenario:
...ANSWER
Answered 2017-Mar-09 at 05:47By default, protocol typed objects have value value semantics. As a consequence, they're not mutable if the variable is a let
constant.
To introduce reference semantics (and by extension, the mutability of objects referred to be a let
constant), you need to make your protocol into a class protocol:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install iSwift
Follow this script to install the libzmq on your machine.
Build the project.
Currently, in order to run swift kernel locally, you need to create a file named kernel.json. Put the following content to the file and replace the Path/to/iSwift with your local clone path.
Install Jupyter kernel: (replace the Folder/that/has/kernel/json with the path of the folder that contains the kernel.json file)
Run Jupyter Notebook (token needs to be empty):
Install Swift 3.0.
Check if you have libzmq installed.
Continue from step 2 in the section above.
Simply clone this repo and run docker build -t iswift .. It will build the docker image.
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