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Clear a terminal screen for real
Using the clear command on the terminal only fools the user into thinking the screen has been cleared...you can still see output from the previous commands when you scroll using the mouse. This makes life difficult when you are drowning in a tsunami of text.
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Where can I find the Java SDK in Linux after installing it?
I installed JDK using apt-get install but I don't know where my jdk folder is. I need to set the path for that. Does any one have a clue on the location?
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What's the algorithm to calculate aspect ratio?
I plan to use it with JavaScript to crop an image to fit the entire window.
18 Answers
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C++11 rvalues and move semantics confusion (return statement)
I'm trying to understand rvalue references and move semantics of C++11.
6 Answers
6
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How to find and return a duplicate value in array
... = ["A", "B", "C", "B", "A"]
a.detect{ |e| a.count(e) > 1 }
I know this isn't very elegant answer, but I love it. It's beautiful one liner code. And works perfectly fine unless you need to process huge data set.
Looking for faster solution? Here you go!
def find_one_using_hash_map(array)
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[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...rintPreviewDlg::OnButton1()
{
// TODO: Add your control notification handler code here
CMyFrame* pf=new CMyFrame(this);
}
2、增加新类：
用ClassWizard新建CMyFrame类（基类CFrameWnd）,功能上相当于文档/视图的应用程序的框架窗口类
用ClassWizard新建CMyVi...
warning: incompatible implicit declaration of built-in function ‘xyz’
I'm getting a number of these warnings when compiling a few binaries:
4 Answers
4
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PHP编译configure时常见错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP编译configure时常见错误PHP的安装虽然有时候很简单，可是如果应用一多，我们安装起来就很头痛了！出错最多的就是安装PHP扩展的时候了。其实不管是你是Apache类的应...PHP的安装虽然有时候很简单，可是如果应用一多，我们安...
Undefined reference to `pow' and `floor'
I'm trying to make a simple fibonacci calculator in C but when compiling gcc tells me that I'm missing the pow and floor functions. What's wrong?
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Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)
I like the window chrome on the new Office Suite and Visual Studio:
6 Answers
6
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