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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?

...t, postfix is much better. An example would be an iterator where you typically use: for(pos=c.begin(); ...; ++pos) {} instead of pos++ – Eric Oct 2 '10 at 16:28 ...
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what's data-reactid attribute in html?

...ct applications can be rendered at the server as well as the client. Internally React builds up a representation of references to the DOM nodes that make up your application (simplified version is below). { id: '.1oqi7occu80', node: DivRef, children: [ { id: '.1oqi7occu80.0', ...
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What is private bytes, virtual bytes, working set?

...se values are a reliable indicator of how much memory an executable is actually using, and none of them are really appropriate for debugging a memory leak. Private Bytes refer to the amount of memory that the process executable has asked for - not necessarily the amount it is actually using. They ...
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What's the best way to join on the same table twice?

...a fan of natural keys and this is a great example why. Natural keys, especially things like phone numbers, can change and frequently so. Updating your database when that change happens will be a HUGE, error-prone headache. * Method 1 as you describe it is your best bet though. It looks a bit terse ...
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如何获取IE (控件)的所有链接(包括Frameset, iframe) - C/C++ - 清泛网 -...

...(包括Frameset, iframe)IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表:CComPtr<IHTMLElement> body;...CComPtr<IDispatc...IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表: CComPtr<IHTMLElement> b...
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Groovy: what's the purpose of “def” in “def x = 0”?

...e bindings for the current script and groovy treats it (mostly) like a globally scoped variable: x = 1 assert x == 1 assert this.binding.getVariable(&quot;x&quot;) == 1 Using the def keyword instead does not put the variable in the scripts bindings: def y = 2 assert y == 2 try { this.binding.getVari...
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What is the Invariant Culture?

... be read and written regardless of the culture the user has defined. Basically it is a specific culture that is artificial and will not change. share | improve this answer | ...
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Control the size of points in an R scatterplot?

.... I'm making scatterplots with tens of thousands of points and prefer a small, but not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there something in the middle or some way to scale the dots down somehow? ...
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Is there something like Annotation Inheritance in java?

...do with programs that read the annotations on a class without loading them all the way. See Why is it not possible to extend annotations in Java? However, types do inherit the annotations of their superclass if those annotations are @Inherited. Also, unless you need those methods to interact, you...
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In Git, what is the difference between origin/master vs origin master?

... There are actually three things here: origin master is two separate things, and origin/master is one thing. Three things total. Two branches: master is a local branch origin/master is a remote branch (which is a local copy of the branc...