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What is the difference between localStorage, sessionStorage, session and cookies?

...age and sessionStorage localStorage and sessionStorage are relatively new APIs (meaning, not all legacy browsers will support them) and are near identical (both in APIs and capabilities) with the sole exception of persistence. sessionStorage (as the name suggests) is only available for the duration...
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What is the difference between the add and offer methods in a Queue in Java?

Take the PriorityQueue for example http://java.sun.com/j2se/1.5.0/docs/api/java/util/PriorityQueue.html#offer(E) 8 Answe...
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How do I discover memory usage of my application in Android?

...le which has some discussion of how memory is managed on Android: Service API changes starting with Android 2.0 Now ActivityManager.getMemoryInfo() is our highest-level API for looking at overall memory usage. This is mostly there to help an application gauge how close the system is coming to hav...
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Android 4.3 Bluetooth Low Energy unstable

...ergy (testing on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that device or any other device again. ...
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What is the difference between a framework and a library?

...ware project. Various parts of the framework may be exposed through an API.. So I'd say a library is just that, "a library". It is a collection of objects/functions/methods (depending on your language) and your application "links" against it and thus can use the objects/functions/methods. It i...
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Difference between Java Enumeration and Iterator

... Looking at the Java API Specification for the Iterator interface, there is an explanation of the differences between Enumeration: Iterators differ from enumerations in two ways: Iterators allow the caller to remove elements from the underlying...
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How to scroll to top of page with JavaScript/jQuery?

...'t supported by MS browsers (because of course). See caniuse.com/#feat=mdn-api_history_scrollrestoration and developer.mozilla.org/de/docs/Web/API/… – Yarin Nov 20 '19 at 14:35 ...
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how to convert milliseconds to date format in android?

... Thanks Mahmood, this solution requires API Level 1 (my project is lowered to API 15) while other Answer requires API Level 24 (Date and/or Calendar library) – Steve Rogers Feb 5 '17 at 18:50 ...
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Get nth character of a string in Swift programming language

...on". Apple provides the following explanation in the file UnavailableStringAPIs.swift: Subscripting strings with integers is not available. The concept of "the ith character in a string" has different interpretations in different libraries and system components. The correct interpretat...
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angular.service vs angular.factory

...e useful patterns... Such as writing a service function to expose a public API: function myServiceFunction() { this.awesomeApi = function(optional) { // calculate some stuff return awesomeListOfValues; } } --------------------------------------------------------------------------------- ...