Serpent | A protocol to serialize Swift structs and classes | JSON Processing library
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QUESTION
zebra_owner(Owner) :-
houses(Hs),
member(h(Owner,zebra,_,_,_), Hs).
water_drinker(Drinker) :-
houses(Hs),
member(h(Drinker,_,_,water,_), Hs).
houses(Hs) :-
length(Hs, 5), % 1
member(h(english,_,_,_,red), Hs), % 2
member(h(spanish,dog,_,_,_), Hs), % 3
member(h(_,_,_,coffee,green), Hs), % 4
member(h(ukrainian,_,_,tea,_), Hs), % 5
adjacent(h(_,_,_,_,green), h(_,_,_,_,white), Hs), % 6
member(h(_,snake,winston,_,_), Hs), % 7
member(h(_,_,kool,_,yellow), Hs), % 8
Hs = [_,_,h(_,_,_,milk,_),_,_], % 9
Hs = [h(norwegian,_,_,_,_)|_], % 10
adjacent(h(_,fox,_,_,_), h(_,_,chesterfield,_,_), Hs), % 11
adjacent(h(_,_,kool,_,_), h(_,horse,_,_,_), Hs), % 12
member(h(_,_,lucky,juice,_), Hs), % 13
member(h(japanese,_,kent,_,_), Hs), % 14
adjacent(h(norwegian,_,_,_,_), h(_,_,_,_,blue), Hs), % 15
member(h(_,_,_,water,_), Hs), % one of them drinks water
member(h(_,zebra,_,_,_), Hs). % one of them owns a zebra
adjacent(A, B, Ls) :- append(_, [A,B|_], Ls).
adjacent(A, B, Ls) :- append(_, [B,A|_], Ls).
...ANSWER
Answered 2021-Jun-14 at 21:46The houses list Hs
is not empty at all, ever. It is created right at the very beginning with
QUESTION
I am doing load balancing with Nginx. Here is my config
...ANSWER
Answered 2021-May-04 at 09:17Everything before the @
is userinfo which should be encoded by the browser and included as a separate request header according to RFC 7617.
Nginx is not a browser and cannot do it for you.
You could probably convert that into Base64 and use a proxy_set_header
to set the Authorization
header.
For example:
QUESTION
Suppose the following array of objects is returned from an API:
...ANSWER
Answered 2020-Mar-27 at 04:46You need an additional guard so:
QUESTION
I cannot understand how to build Botan for android, according on the instruction here:
$ export CXX=/opt/android-ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android28-clang++
$ ./configure.py --os=android --cc=clang --cpu=arm64
i cannot understand how to use this commands on Windows, also reading previous issues did not help me, can you tell me how did you build this library on windows step-by-step, just your command examples?
I used --cc-bin option of configure.py to specify the path to the compiler, it is considered a solution for windows, but what i have is:
...ANSWER
Answered 2020-Mar-21 at 22:13It seems Botan support for building Android binaries on Windows hosts is limited. You will have to use dark magic to make this work.
The build process consists of two phases, the configuration phase and the make phase.
The Android-specific instructions in the documentation you linked do not cover the whole build process, only the configuration phase. For the make phase, you then have to follow the Windows-specific instructions (link).
Configuration phase:You will need the following binaries, adjust the paths to your machine:
clang++ (note the
.cmd
at the end):C:\Development\android-ndk-r19c-windows-x86_64\android-ndk-r19c\toolchains\llvm\prebuilt\windows-x86_64\bin\armv7a-linux-androideabi28-clang++.cmd
ar:
C:\Development\android-ndk-r19c-windows-x86_64\android-ndk-r19c\toolchains\llvm\prebuilt\windows-x86_64\bin\arm-linux-androideabi-ar.exe
In the Botan folder, run the configure
command:
QUESTION
I want to use Pyro4 for remote procedure calls across multiple containers using docker-compose. Currently, I am just trying to implement a simplified version of the Pyro4 warehouse example that I have setup to run on different machines, instead of the default localhost, since I am using multiple containers.
I can successfully start the Pyro name server in its own container, but in another container I can not publish the Warehouse class and start Pyro's request loop. I am get the error OSError: [Errno 99] Cannot assign requested address
.
I am using balena to deploy this to a Raspberry Pi 3 B+, and I have an environment variable (device variable in balena cloud) "PYRO_HOST=pyro-ns" to set the address of the pyro name server.
I see the pyro name server get created
...ANSWER
Answered 2020-Feb-12 at 17:47After some help from the balena forums, I was able to successfully get my Pyro example to run.
Following are my updated and working files for reference.
---docker-compose.yml
QUESTION
I'm developing a Snake Game and I'm having a real trouble with the Tail. The code I created should works, but there's some problems with the list and the variable I used.
At the beginning of the program, I declared 2 lists:
...ANSWER
Answered 2019-Sep-15 at 15:47playerpos=[552,352]
is a list. You've to create a shallow copy of the player position:
QUESTION
I have a div.header with a div. search where my input tag exists with my call function. I also have div.content with all the elements to search for. They are located in different div tags, but the call function for my JavaScript is only in the input tag. Problem is when i type in the input tag my console tells me this:
(21) Champions.htm:564 Uncaught TypeError: li.getElementsByClassName is not a function at searchfunction (Champions.htm:564) at HTMLInputElement.onkeyup (Champions.htm:39)
The solution I'm looking for is how I make my input tag remove search elements when I type in a specific champion name. Example:
Typing in A into the input tag should remove all the elements with h3 tags that don't match the search criteria.
Note: My h3 tags are filled in with specific names. And these names are what the searchfunction() should be looking for and removing from the page if they don't match the search criteria.
I'm not much of a JavaScript fan, so most of my tries have been in vain.
...ANSWER
Answered 2019-Aug-22 at 08:41li is an array as getElementsByTagName will return array. You have to either iterate through it or use index in order to use getElementsByClassName
QUESTION
I'm following the guide Building The Library, but I have errors. My steps.
1. Set enviroment for x64 with vcvars64.bat
.
ANSWER
Answered 2019-May-26 at 23:09It seems that the error was in the directory, which did not exist
C: \ Program Files (x86) \ Windows Kits \ 10 \ include \ 10.0.18362.0 \ ucrt;
I uninstalled the other Windows Kits to solve the problem. And it was already possible to compile Botan.
QUESTION
I know i can add the jar in my project and i can use it, but that's something i don't want to do. I need to use the source code of core Module which we have in the spark_parent_2.12 on github.
I am able to extract the core project from the spark and add it into my project as dependency here is my pom.xml.
project's pom.xml
...ANSWER
Answered 2019-May-16 at 12:36You should add spark-tags
dependency :
QUESTION
Working on an existing expand/collapse "FAQ" accordion page and looking to get the "expand/collapse" feature to work correctly.
I managed to get the page to start off with everything collapsed, but when I click on any column to expand and then click on another, the original one does not collapse.
Importantly, I would like to keep the search feature intact.
...ANSWER
Answered 2019-May-03 at 12:32If you want the panels to start out collapsed, don't use the in
class.
Calling $('.collapse').collapse();
doesn't collapse your panels, it reactivates the .collapse
elements with the default options, overriding .in
(so the panels are closed) and data-parent
(so you lose the one-panel-at-a-time behavior).
You also don't need to define the :contains
pseudo-selector three times on every keypress. Once is enough. And you don't need to explicitly loop over all #accordion
's .panel
s, just use a sufficiently broad selector.
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Serpent supports all primitive types, enum, URL, Date, UIColor, other Serpent model, and Array of all of the aforementioned types. Your variable declarations can have a default value or be optional. Primitive types do not need to have an explicit type, if Swift is able to infer it normally. var name: String = "" works just as well as var name = "". Optionals will of course need an explicit type. NOTE: Enums you create must conform to RawRepresentable, meaning they must have an explicit type. Otherwise, the parser won't know what to do with the incoming data it receives. NOTE: Classes must be marked final. NOTE: You can add conformance to Serializable which is a type alias for both Encodable and Decodable. And thats it! If you're using the Model Boiler, this extension will be generated for you, so that you don't need to type it all out for every model you have.
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