nodash | A port of the Haskell Prelude to JavaScript/NodeJS | Functional Programming library
kandi X-RAY | nodash Summary
kandi X-RAY | nodash Summary
[Dependencies] nodash offers you a rich set of library functions, comparable to the likes of [underscore] or [lodash] The functions are actually derived from the [Haskell Prelude] and emphasize a [functional programming style] A special trait of this library is that it discards some JavaScript concepts (like prototypes or optional arguments) to allow some (in the authors opinion) more useful ones (such as currying). Every function from this library can be thought of as curried, i.e. you can partially apply any function and get a function in return (on the other hand this means there are no optional arguments). It also supports lists which can be evaluated lazily and infinite streams.
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QUESTION
I have the following case
...ANSWER
Answered 2021-Jan-13 at 18:46All you need to accomplish this is a ternary operator with backticks. There are other ways, but this is the easiest/most simple for most people to read when seeing your code later on.
QUESTION
When my user taps a button, I want the app to prompt the user to make a call. I'm trying to accomplish this with the below, but whenever the button is tapped, the app crashes. I've double checked that NSString is populated inside phoneUrl as well (no null values). Any idea why this might be happening?
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSURL length]: unrecognized selector sent to instance 0x280244620' terminating with uncaught exception of type NSException
ViewController.m
...ANSWER
Answered 2020-Nov-29 at 08:49I'm surprised that even compiles. Pretty sure you might have a warning in your last line:
QUESTION
I am working on a Preact-CLI project with a Preact-Router and it works fine on the localhost. But the production doesn't work well after the build.
I have created a one page object which gets its content dynamically from a JSON file (inside the project not external). So I've loaded the same page object 2 times for each different page.
I get the page url (using this.props.permalink) and compare it with the JSONObject.title. If they are the same I want to get the corresponding JSON content to display it on the corrrct page. Works like a charm on localhost, but not in production.
Issue: Somehow all pages get the content of the first JSON element. First I thought it was a server issue but I was wrong. The builded files are wrong after the prerendering/build. So the prerendered html of page B contains the content of the prerendered page A. My guess is that during the build this.props.permalink doesn't work. How should I handle this?
Additional info: I use the prerender function but not the service worker for the build.
Thanks!
UPDATE: I have rewritten the function. I guessed I needed to set the dynamic content through a loop, so that during the build the compiler loops through it and is able to prerender all the pages.
The iteration and setting the state works, but only the final element of the PrerenderUrls array gets stored. So now all pages gets the JSON content of the first element.
...ANSWER
Answered 2019-Apr-26 at 13:23From your description it seems you have a standard Javascript closure problem. I noticed you use both let
and var
. If let
is supported, use it instead of var
. It will automagically solve your closure issues, because let
creates variables with the block scope, instead of a function scope. Otherwise, you can try to replicate how let
does it under the hood - throw the variable to the callback function. Something in the lines of:
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