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What do REFRESH and MERGE mean in terms of databases?

... REFRESH means "pull any state changes from the database into my representation". Cascading this is simple; it means that all associated entities are refreshed. MERGE means something complex that approximates "save" but is more like "push this detached entity ba...
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Show and hide a View with a slide up/down animation

... facing same issue what Ram was facing, at first time it works fine but from next time when i make that view in gone state and try to make that view visible again it doesn't appear. – Pankaj kumar Aug 8 '16 at 10:35 ...
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Getting full URL of action in ASP.NET MVC [duplicate]

... Using the Scheme from the original URL ensure that you do not move from HTTPS to HTTP by mistake. Prevent TLS disclosure. You get my vote. – Pierre-Alain Vigeant Jul 16 '12 at 15:55 ...
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Override devise registrations controller

...hem first and devise will check your views folder before loading the views from the gem. In Rails 3 it's: rails generate devise:views and in Rails 2 (i think) it's: script/generate devise:views – theTRON Nov 11 '10 at 22:19 ...
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What is the difference between mocking and spying when using Mockito?

... From the doc: "spies should be used carefully and occasionally, for example when dealing with legacy code." The unit testing space suffers from too many ways of doing the same thing. – gdbj ...
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How to convert the background to transparent? [closed]

...t. If you prefer PNG you have to go to the File menu, and then Save Image. From there you can choose the format. – Fabio says Reinstate Monica Mar 11 '15 at 13:22 ...
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Why not use HTTPS for everything?

... that the attacker doesn't need the username/password if he has the cookie from an authenticated session. – rook Apr 30 '10 at 18:44 ...
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Why java.util.Optional is not Serializable, how to serialize the object with such fields

... (such as the getValue method in the question) returns the actual Optional from the field, it forces every caller to implement some policy for dealing with an empty value. This will likely lead to inconsisent behavior across callers. It's often better to have whatever code sets that field apply some...
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what is the difference between ajax and jquery and which one is better? [closed]

... AJAX is a technique to do an XMLHttpRequest (out of band Http request) from a web page to the server and send/retrieve data to be used on the web page. AJAX stands for Asynchronous Javascript And XML. It uses javascript to construct an XMLHttpRequest, typically using different techniques on var...
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How to quickly and conveniently disable all console.log statements in my code?

...on Cide's idea. A custom logger which you can use to toggle logging on/off from your code. From my Firefox console: var logger = function() { var oldConsoleLog = null; var pub = {}; pub.enableLogger = function enableLogger() { if...