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How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause

...nship, then the orphan will be removed automatically even though you don't set orphanRemoval=true – Tim Jan 9 '19 at 21:02 add a comment  |  ...
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?

...bad memory, whereas the latter doesn't retain the object and automatically sets itself to nil when its target is deallocated. Of the two, __weak is generally preferred on platforms that support it. You would use these qualifiers for things like delegates, where you don't want the object to retain ...
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Download a file by jQuery.Ajax

...ves the problem. For example, this solves the problem by having the server set a cookie and having your javascript continuously look for the cookie until it exists. Once it exists, we can assume that the download is complete. With that kind of information one could easily roll their own solution ver...
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Sending email in .NET through Gmail

... The above answer doesn't work. You have to set DeliveryMethod = SmtpDeliveryMethod.Network or it will come back with a "client was not authenticated" error. Also it's always a good idea to put a timeout. Revised code: using System.Net.Mail; using System.Net; var fr...
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nServiceBus vs Mass Transit vs Rhino Service Bus vs other?

...od place to start.. In our 3.1 release, we're introducing NSB Studio - a set of Visual Studio integrated modeling tools that enable you to model your system at a higher level of abstraction and have much of the configuration and initialization of NServiceBus be done for you automatically. I'd say ...
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Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))

...ow copy means it copies over the references only and does not create a new set of same objects as in orignal array) share | improve this answer | follow | ...
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How do I create a namespace package in Python?

...itializes a namespace package. Modules and regular packages have __file__ set to the .py file they were created from. Regular and namespace packages have __path__set to the directory or directories they were created from. When you do import foo.bar, the above search happens first for foo, then if ...
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?

...I've understood, the "If you write..." condition includes the two cases of setting the special member function to = delete (obvious) or = default (less obvious to me). Am I right? – Enrico May 19 '19 at 12:46 ...
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Valid to use (anchor tag) without href attribute?

...n, which is better as a a tag rather than a button, to show a modal. Also, setting role="button" makes the pointer change to an action type. Without either href or role="button", the cursor pointer does not change. share ...
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node.js shell command execution

...ght still be running" close...but there is a guarantee that it will not be set at that point in time, and will only be set when the callback is finally called, as you indicated elsewhere – user748221 Jan 27 '13 at 7:09 ...