Top "Fallback" questions

A fallback is a design pattern useful in situations, when certain advanced functionality may be used only if certain conditions are met.

JavaScript Variable fallback

Please can someone explain to me what this line of code does: var list = calls[ev] || (calls[ev] = {}); My best …

javascript variables fallback
How to detect if Moment js is loaded from CDN

I want to create a fallback if moment js is not loaded from CDN. I couldn't find any helpful resource …

javascript momentjs cdn fallback
JQuery fallback for CSS3 transition

I'm looking for a JQuery/JS fallback for a simple CSS3 transition code. My javascript is really basic so it's …

jquery css transition fallback
What is a fallback?

I'm not native English speaker and I want to be sure I know what "fallback" means. I've checked that it …

css html fallback
color IE fallback for rgba() does not work

Why the following fallback for IE color: red; does not work ? In IE7, the color is black rather than red. …

html css internet-explorer-7 colors fallback
How does fallback work with socket.io?

I'd like to use WebSocket with Java. Problem is, my server is separated from the client by a proxy that …

java websocket socket.io long-polling fallback
How to apply a fallback font?

body { font-family: 'Ubuntu', sans-serif; } body { font-family: sans-serif; } This is my CSS now. I've read that if you put your fallback …

css fonts fallback
TouchID forward to system passcode authentication

I want to use TouchID authenticate my own app. 1.I want user can click 'Enter passcode' to invoke system build-in …

authentication ios8 fingerprint fallback
How is the skipping implemented in Spring Batch?

I was wondering how I could determine in my ItemWriter, whether Spring Batch was currently in chunk-processing-mode or in the …

spring-batch skip fallback chunks
Any samples to unit test fallback using Hystrix Spring Cloud

I wish to test the following scenarios: Set the hystrix.command.default.execution.isolation.thread.timeoutInMillisecond value to a low …

spring cloud fallback hystrix