starlight | zap solidity -- > zApp transpiler zap | Blockchain library
kandi X-RAY | starlight Summary
kandi X-RAY | starlight Summary
zApps are zero-knowledge applications. They're like dApps (decentralised applications), but with privacy. zApps are tricky to write, but Solidity contracts are lovely to write. So why not try to write a zApp with Solidity?. starlight helps developers do just this... The main objective of this transpiler is to enable developers to quickly draft frameworks for zApps. See here for an enormously detailed explanation of how the transpiler works.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of starlight
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Trending Discussions on starlight
QUESTION
...ANSWER
Answered 2020-Nov-25 at 08:12If it's a cross-origin </code></strong> to a page on a website you don't control then there is nothing you can do to listen to DOM events raised inside an <code><iframe></code> element. This is for security reasons, to paraphrase my upvoted comment from earlier:</p>
<blockquote>
<p>Scripts in a cross-domain <code><iframe></code> cannot cross the <code><iframe></code> boundary for obvious security reasons. Imagine if I loaded your bank's website into an <code><iframe></code> on my website that you opened: I could use <code>keyup</code> events raised by your bank's website that are listened-to by my host-page to record your online banking passwords and more.</p>
</blockquote>
<p>If it's a <strong>same-origin <code><iframe></code></strong> (and a page you control) then the <em>best way</em> is to use <code>postMessage</code> to allow an iframe to communicate, like so:</p>
<hr />
<h3>loadedIntoIFrame.html</h3>
<p>In your page (which is loaded into an iframe) you need to use <code>postMessage</code> to send a message to another frame or iframe.</p>
<p>Note that <code>postMessage</code> <strong>can</strong> be used between cross-domain webpages. However it is an <em>opt-in</em> system: unlike with same-origin iframes where the host page's scripts have full and direct access to the iframe's document's DOM, <code>postMessage</code> requires the other page to <em>agree</em> to handle</p>
<pre><code><head>
<!-- [...] --->
<script>
if( window.parent ) {
document.addEventListener( 'keyup', onDocumentKeyUpPostMessageToParent );
}
function onDocumentKeyUpPostMessageToParent( e ) {
if( e.isComposing || e.keyCode === 229 ) return; // Skip IME events.
document.getElementById( 'thisPageKeyCode' ).textContent = e.keyCode.toString();
const msg = {
keyCode: e.keyCode
};
const targetOrigin = 'http://localhost'; // This MUST exactly match the origin of the <iframe>'s host-page (note that an "Origin" is *NOT* the page's full URI).
window.parent.postMessage( msg, targetOrigin );
}
</script>
</head>
<body>
<p>this is the iframe content page</p>
<p>last <code>keyup</code> event in this page: <span id="thisPageKeyCode"></span></p>
</body>
</code></pre>
<h3>hostPage.html</h3>
<p>In your host page, set-up a listener for <code>postMessage</code> events:</p>
<pre><code><head>
<!-- [...] --->
<script>
window.addEventListener( 'message', onMessageReceived );
function onMessageReceived( e ) {
const msg = e.data; // `e.data` is the same as the `msg` object in the iframe page's script.
const keyCode = msg.keyCode;
document.getElementById( 'lastIFrameKeyCode' ).textContent = keyCode.toString();
}
</script>
</head>
<body>
<p>this is the iframe host page</p>
<p>last <code>keyup</code> event in iframe: <span id="lastIFrameKeyCode"></span></p>
<iframe style="border: 3px inset #ccc;" src="loadedIntoIFrame.html">
Here is a JSFiddle example showing iframe communication with postMessage
:
https://jsfiddle.net/daiplusplus/n0bpedxa/11/
Note:
- The JSFiddle for the host page is https://jsfiddle.net/daiplusplus/n0bpedxa/11/
- The JSFiddle for the content of the iframe is here: https://jsfiddle.net/daiplusplus/uzrmj49n/7/
- The the actual origin of these iframes (as of Q3 2020) is
https://fiddle.jshell.net
.- This will need to be updated if JSFiddle ever change their
Origin
value.
- This will need to be updated if JSFiddle ever change their
Screenshot proof:
QUESTION
I have a collection with items, what i want is a Aggregation where i get all item.recipes.life_skill.names grouped by their names like Heating, Cooking etc
i tried to build the Aggregation but i still have no idea
...ANSWER
Answered 2020-Oct-15 at 07:33You need to perform $unwind
first to destructure the array.
QUESTION
For example, I have a string like this
...ANSWER
Answered 2020-Jan-16 at 19:41well i guessed you writing this in python so you can use the replace method enter example
in your case you went to replace the word light with the word spot so just write
QUESTION
I am near the point of rendering an svg with an image (an svg file)
This renders find standalone in Chrome when loaded by itself.
starlight.svg
...ANSWER
Answered 2020-Jan-12 at 19:56For the second solution, add the following lines to your .htaccess file and test if the svg image shows:
QUESTION
I have a function that retrieves a paragraph from a website. I've already removed all html tags although the tags still existed.
ANSWER
Answered 2019-Sep-20 at 18:14Sometimes you cannot pipe the output directly into another command; in particular, I've ran into issues with curl
in the past where passes partial content. I believe the solution here would be to separate your sed
commands instead of chaining it into a single line:
QUESTION
I am putting in place this principle of truncation on my site: Truncate text (more/less).
It works perfectly, but the animation bothers me. Indeed when I click on "less", I have the impression that he gives me the text before being reduced as originally. I added the titles "TESST" to check what I saw and it really does.
...ANSWER
Answered 2019-Oct-20 at 18:37The above code simply adds truncated or less
content just before original or more
content. Thats why you see duplicity.
You can improve the animation by stacking both truncated
and original
content on top of each other. You can achieve that using simple css. This way, even though DOM will have duplicate content, user can't see them.
This is the css you need to add.
QUESTION
This is normally a simple task but I just lost over an hour to it and there seems to be no answer that works.
I just want to wrap some paragraphs around an image. I've tried every combination of div and styling I could think of or find to no avail. Any help would be appreciated.
...ANSWER
Answered 2017-Dec-16 at 01:42It's because the image is below the text. Text after the right floated image would flow around the image. Text that proceeds it has already been laid out and is not affected by later content.
Move the image up above the text to see the desired layout.
QUESTION
I'm using lampp on my linux machine to host a website. The db is configured as the virtual host. Also, the php dependencies are fixed using composer. When I start the lampp components and I go to locahost I recive this error. I tried to fix it in some ways, but nothing worked. Hope you can help me, thank you.
Slim Application Error
...The application could not run because of the following error: Details Type: UnexpectedValueException Message: The stream or file "../logs/app.log" could not be opened: failed to open stream: Permission denied File: /opt/lampp/htdocs/starlight-app/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php Line: 107 Trace
0 /opt/lampp/htdocs/starlight-app/vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.php(39): Monolog\Handler\StreamHandler->write(Array)
1 /opt/lampp/htdocs/starlight-app/vendor/monolog/monolog/src/Monolog/Logger.php(344): Monolog\Handler\AbstractProcessingHandler->handle(Array)
2 /opt/lampp/htdocs/starlight-app/vendor/monolog/monolog/src/Monolog/Logger.php(637): Monolog\Logger->addRecord(200, 'Loading route.', Array)
3 /opt/lampp/htdocs/starlight-app/config/middlewares.php(94): Monolog\Logger->info('Loading route.', Array)
4 [internal function]: Closure->{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
5 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(Closure), Array)
6 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
7 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
8 /opt/lampp/htdocs/starlight-app/vendor/slim/csrf/src/Guard.php(171): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response))
9 [internal function]: Slim\Csrf\Guard->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
10 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(Slim\Csrf\Guard), Array)
11 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
12 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
13 /opt/lampp/htdocs/starlight-app/config/middlewares.php(178): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response))
14 [internal function]: Closure->{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
15 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(Closure), Array)
16 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
17 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), O Object(Slim\Http\Response), Object(Closure))
18 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response))
19 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/App.php(405): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
20 /opt/lampp/htdocs/starlight-app/vendor/slim/slim/Slim/App.php(313): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))
21 /opt/lampp/htdocs/starlight-app/public/index.php(70): Slim\App->run()
22 {main}
ANSWER
Answered 2019-Jun-10 at 11:24As of your error output it is showing some permissions issue you can give all access to the root folder as sudo chmod 777
And make sure you are providing the valid data in api body and passing the valid json data to the response
QUESTION
I have been trying to work this xml data into divs I have managed it to a point but it will only show the first value not sure why and any help would be greatly aprrecated
I have followed a few tutorials to extract data from an XML file but can't get it to show for then one value
...ANSWER
Answered 2019-Feb-03 at 06:44You only have one dates
element so your loop is only executing once. What you actually want to do is iterate on the film
elements:
QUESTION
I need to select duplicate rows based on two columns in a join, and i can't seem to figure out how that is done.
Currently i got this:
...ANSWER
Answered 2019-Jan-25 at 14:45Or an alternate way that may perform better on big datasets:
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If the zappify command isn't working, try the Install steps again. You might need to try npm i --force -g ./. In very rare cases, you might need to navigate to your node.js innards and delete zappify from the bin and lib/node_modules. To find where your npm lib is, type npm and it will tell you the path.
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