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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
...s (even in good ones) and through the net, which do exactly that. I don't know, why... Perhaps sometimes simply copied over and over without much thinking...
Guess what happens if you call remove(transaction) still having "cascade ALL" in that @ManyToOne? The account (btw, with all other transacti...
How can I convert a DateTime to the number of seconds since 1970?
...e, there's a really convenient feature:
long unixSeconds = DateTimeOffset.Now.ToUnixTimeSeconds();
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“Collection was mutated while being enumerated” on executeFetchRequest
I'm stuck on a problem for hours now and having read everything about this on stackoverflow (and apply every advices found), I'm now officially in need for help. ;o)
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2D cross-platform game engine for Android and iOS? [closed]
... Customized Admob extension and a Facebook extension too.
Edit:
Marmalade now has it's own RAD(Rapid Application Development) tool just for 2D development, named as Marmalade Quick. Although the coding will be in Lua not in C++, but since it's built on top of C++ Marmalade, you can easily include a...
How is the default max Java heap size determined?
... @PaoloFulgoni no, another practical example I observe right now: 129 Gbytes of physical memory results in 32 Gbyte of max heap size
– Kirill
Jan 29 '19 at 15:56
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How to print colored text in Python?
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Just noticed that as of 13/01/2011, it's now under MIT license
– Alexander Tsepkov
Oct 28 '11 at 2:19
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How to Add Stacktrace or debug Option when Building Android Studio Project
... 0.8.10, the option is no longer in the Compiler > Gradle section, it's now in a separate section named Compiler (Gradle-based Android Project))
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What is a CSRF token ? What is its importance and how does it work?
...se it is implied by your login.)
You visit www.cute-cat-pictures.org, not knowing that it is a malicious site.
If the owner of that site knows the form of the above request (easy!) and correctly guesses you are logged into mybank.com (requires some luck!), they could include on their page a request ...
Should I pass a shared_ptr by reference? [duplicate]
...per with value semantics via RSF w = std::ref(p);. So much for the setup.
Now, everybody knows that containers of pointers are minefield. So std::vector<Foo*> will be a nightmare to maintain, and any number of bugs arise from improper lifetime management. What's worse conceptually is that it ...
outline on only one border
...nset border into an HTML element, but just only on one side of it.
Until now, I've been using an image to do that (GIF/PNG) that I would then use as a background and stretch it (repeat-x) and position a little off from the top of my block.
Recently, I discovered the outline CSS property, which i...