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What is the proper way to re-attach detached objects in Hibernate?
...ntations of the same entity",
e
);
}
Now, when executing the test case above, Hibernate is going to throw a NonUniqueObjectException because the second EntityManager already contains a Bookentity with the same identifier as the one we pass to update, and the Persistence Context cannot ...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... //启动深度测试
GL.glEnable(GL.GL_DEPTH_TEST);
//选择深度测试类型
GL.glDepthFunc(GL.GL_LESS);
//启用阴影平滑
GL.glShadeModel(GL.GL_SMOOTH);
//精细修正透视图
...
Git vs Team Foundation Server [closed]
...ance, if I'm working on a big feature, it might take me a week to code and test it completely. I don't want to check-in unstable code mid-week and break the build, but what happens if I'm nearing the end of the week and I accidentally bork my entire working copy? If I haven't been committing all a...
What is the difference between Google App Engine and Google Compute Engine?
...s really well when put under pressure. It's cumbersome because you need to test and ensure compatibility with the locked-down environment and ensure any 3rd party library you use does not use any other 3rd party library you're unaware of which may not work on GAE standard. It takes longer to set it ...
What's the difference between using “let” and “var”?
...also be avoided now by using let instead var as shown in the code below.
(Tested in Chrome and Firefox 50)
for(let i=1; i<6; i++) {
$("#div" + i).click(function () { console.log(i); });
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script&...
Why aren't variable-length arrays part of the C++ standard?
...
@Jeff: What was the maximum value of n in your test case, and what was the size of your stack? I suggest you try inputting a value for n at least as large as the size of your stack. (And if there's no way for the user to control the value of n in your program, then I sugg...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...
Nice one! Tested and it works for n=3000, so it's probably right. (Pity I'm out of votes today :/)
– moinudin
Jan 5 '11 at 21:21
...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...e your views as a whole from your existing interface to the .xib file.
To test this out I created a new empty .xib named "MyCustomTimerView.xib". Then I added a view, and to that added a label and two buttons. Like So:
I created a new objective-C class subclassing UIView named "MyCustomTimer". I...
What is the effect of extern “C” in C++?
... g++ generated mangled symbols which gcc cannot find.
Example on GitHub.
Tested in Ubuntu 18.04.
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Is it better to specify source files with GLOB or each file individually in CMake?
...DIRECTORIES false *.h *.cpp)
update_deps_file("${sources}")
add_executable(test ${sources})
You're still carting around the explicit dependencies (and triggering all the automated builds!) like before, only it's in two files instead of one.
The only change in procedure is after you've created a n...