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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...s.num = i;
}
public int getNum() {
return this.num;
}
But in most cases you will want to return the wrapper class.
So either set your DB column to not allow nulls, or use a wrapper class.
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Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib
...ated web sharing, installed MySQL etc.
I can't seem to find my PHP files, most importantly, PHP.ini.
12 Answers
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How to read from standard input in the console?
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I'm not sure what's wrong with the block
reader := bufio.NewReader(os.Stdin)
fmt.Print("Enter text: ")
text, _ := reader.ReadString('\n')
fmt.Println(text)
As it works on my machine. However, for the next block you need a pointer to the variables you're assigning the input to. Try replacin...
Django: How to manage development and production settings?
... myapp/production_settings.py and myapp/test_settings.py in your source repository.
In that case, you'd respectively set DJANGO_SETTINGS_MODULE=myapp.production_settings to use the former and DJANGO_SETTINGS_MODULE=myapp.test_settings to use the latter.
From here on out, the problem boils down t...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...、std::future和std::async等基础类的使用，到内存模型和原子操作、基于锁和无锁数据结构的构建，再扩展到并行算法、线程管理，最后还介绍了多线程代码的测试工作。
本书的附录部分还对C++11新语言特性中与多线程相关的项目...
Open terminal here in Mac OS finder [closed]
...mething similar to the "Open Command Window Here" Windows Powertoy for Mac OS? I've found a couple plugins through a google search but wanted to see what works best for developers out there.
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C++及Windows异常处理(try，catch; __try,__finally, __except) - C/C++ - ...
...，接下来，看另外两组异常模型机制，它们是Windows系列操作系统平台上提供的SEH模型，也就是说在C++中调用的时候，其实是调用Windows的API
SEH,又称结构化异常处理.是设计Windows操作系统时提出一个种处理异常的方法。
__try, __e...
Remove redundant paths from $PATH variable
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the thing is that depending on your OS a chain of configurations are executed. You need to make sure the PATH variable is not overwritten later. The easiest way to do that (for one user) is to overwrite it in the user's personal .bashrc, which commonly is locat...
How to move up a directory with Terminal in OS X
When I launch a new Terminal window, it starts me in 'Macintosh HD/Users/MyName'. How can I back out of my user directory, back up to the top level?
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How to search in all the files of a project in IntelliJ Idea? [duplicate]
...eplace panels popping up on Ctrl + F / Ctrl + R don't seem to offer to chose the search domain. Is there such a facility available in IntelliJ Idea?
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