PolyCast | Safely cast values to int , float , or string in PHP
kandi X-RAY | PolyCast Summary
kandi X-RAY | PolyCast Summary
Provides safe_int, safe_float, and safe_string functions. The functions return true if a value can be cast to the designated type without data loss, and false if it cannot. Three complementary functions are also included: to_int, to_float, and to_string. These functions cast and return a value if the corresponding safe_ function returns true, and throw a CastException if it returns false. This library was originally based on the Safe Casting Functions RFC proposed (but ultimately declined) for PHP 7. For additional background info see PolyCast: a library for safe type conversion in PHP.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of PolyCast
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Community Discussions
Trending Discussions on PolyCast
QUESTION
I'm creating a dom-module to display my firebase data in a div. I followed along with the Polycast video at https://www.youtube.com/watch?v=9AHDSGitDP0&t=639s but the firebase-query component is not pulling in the data. No data appears in the console other than my signed in user data and there are no errors. I saw that other people had issues pulling in data with polymerfire and I tried the solution here but no luck: Polymer + Firebase (Polymerfire): not working inside single page app view (with located in my-app.html)
Could someone help with this?
In my main html page I have the following:
...ANSWER
Answered 2017-Aug-08 at 18:47If you use app-name in firebase-query you need to specify the name
in firebase-app
. If you only use one firebase-app
in your app you can leave out the name
in firebase-app
and the app-name
in your other polymerfire elements.
Property events
is likely an Array instead of an Object:
If the child nodes of the query are objects (most cases),
data
will be an array of those objects with an extra$key
field added to represent the key. If the child nodes are non-object leaf values,data
will be an array of objects of the structure{$key: key, $val: val}
. https://github.com/firebase/polymerfire/blob/master/firebase-query.html
On a side note: You only need to import firebase-query
inside your browse-events
element. Firebase-query will import the scripts it needs to run itself. (same for firebase-app in you main html page)
QUESTION
I'm trying to run gulp
to build my app like Rob Dodson explains here.
At the command line, if I run:
...ANSWER
Answered 2017-Jan-21 at 22:10The original error is unrelated to the "alternate error".
While the build
task runs gulp
, npm run
prioritizes the locally-installed gulp
(at node_modules/.bin/gulp
) before the system-installed gulp
. Running gulp
yourself (without npm run
) would invoke the globally-installed gulp
, which may result in an error if it's incompatible with your project (e.g., Gulp 3 binary with Gulp 4 API in your scripts, which appears to be the case). You could either install Gulp 4 so that you can run gulp
yourself, or continue using npm run build
.
To troubleshoot the original error, I recommend starting from the Polycast's original source (if you haven't already) to determine what the difference could be.
If you prefer to stick with your current track, I suggest a few things:
- Verify the paths in your HTML imports, as a path to a non-existent file would cause a silent error (
polymer-build
issue 88). It might be helpful to runpolymer build -v
(verbose build). - Add
buildStream.on('error', (err) => console.log(err))
afterlet buildStream = ...
in case any unsuppressederror
events crop up in that stream.
QUESTION
I'm trying to run gulp
to build my app like Rob Dodson explains here, but I get the following error:
...
ANSWER
Answered 2017-Jan-21 at 04:40merge-stream
is already declared as a devDependency
in package.json
, so the error indicates either you haven't installed the dependencies, or that package is somehow deleted from your dependency store (i.e., node_modules/
).
To install only merge-stream
, you'd run this from the project's root directory:
QUESTION
I am using Firebase and Polymer in the following set-up:
Firebase-Data
As you can see, there are several users with their user-id and below a list card-sets. This is basically an array, but stored as object as I want to use firebase push id
as this might become collaborative.
Polymer Code
With Polymer I am using dom-repeat to iterate over the items (wich worked great as long as I was using still arrays.
...ANSWER
Answered 2017-Jan-04 at 04:31This is how I solved the issue in a similar project.
Control the array with firebase-query
Control the object with firebase-document
Sample Code
Inside the template is="dom-repeat"
, use the attribute as="item"
to bind to the value of item.$key
. Add path="{{item.$key}}
to the el-card-editor element
.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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No vulnerabilities reported
Install PolyCast
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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