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SPA best practices for authentication and session management
...ilding SPA style applications using frameworks like Angular, Ember, React, etc. what do people believe to be some best practices for authentication and session management? I can think of a couple of ways of considering approaching the problem.
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Use of class definitions inside a method in Java
...functions (event handlers in GUIs, like onClick() when a Button is clicked etc.), it's quite usual to use "anonymous classes" - first of all because you can end up with a lot of them. But sometimes anonymous classes aren't good enough - especially, you can't define a constructor on them. In these ca...
How does Facebook Sharer select Images and other metadata when sharing my URL?
...elect an image?
Yes, you just need to add multiple image meta tags in the order you want them to appear in. The user will then be presented with an image selector dialog:
I specified the appropriate image meta tags. Why isn't Facebook accepting the changes?
Once a url has been shared, Facebook's...
When do I need to use a semicolon vs a slash in Oracle SQL?
...e 1:
ORA-00942: table or view does not exist
The / is mainly required in order to run statements that have embedded ; like a CREATE PROCEDURE statement.
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Does JavaScript have “Short-circuit” evaluation?
...'s not exactly how the code is evaluated and we'll need to delve deeper in order to fully understand.
How exactly is the && and || interpreted?:
It's time to look "under the hood of the javascript engine". Let's consider this practical example:
function sanitise(x) {
if (isNaN(x)...
Force browser to clear cache
...se 1.0
script_1.1.css // This is the URL for release 1.1
script_1.2.css // etc.
Or alternatively do it after the file name:
script.css?v=1.0 // This is the URL for release 1.0
script.css?v=1.1 // This is the URL for release 1.1
script.css?v=1.2 // etc.
You can check out this link to see how it ...
How to convert JSON to XML or XML to JSON?
... XML child-element. You would consume these two differently in JavaScript, etc. Different examples of XML conforming to the same schema can produce actually different JSON structures this way. You can add the attribute json:Array='true' to your element to workaround this in some (but not necessarily...
What's the difference between and , and ?
...relevance (for mark). b is for key words, product names, actionable words, etc., while i is for technical terms, thoughts, phrases, etc. Honestly IMO, there needs to be a greater distinction between the two.
– chharvey
Jan 21 '12 at 4:51
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Android Fragments: When to use hide/show or add/remove/replace?
...l go through all of the teardown events in the lifecycle (onPause, onStop, etc) and if for some reason you need that fragment again you would have to insert it back into the container and let it run through all of its initialization again.
If there is a high probability that you will need that fra...
Get controller and action name from within controller?
For our web application I need to save the order of the fetched and displayed items depending on the view - or to be precise - the controller and action that generated the view (and the user id of course, but that's not the point here).
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