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How to style the option of an html “select” element?

...re only a few style attributes that can be applied to an <option> element. This is because this type of element is an example of a "replaced element". They are OS-dependent and are not part of the HTML/browser. It cannot be styled via CSS. There are replacement plug-ins/libraries that look l...
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How many and which are the uses of “const” in C++?

As a novice C++ programmer there are some constructs that look still very obscure to me, one of these is const . You can use it in so many places and with so many different effects that is nearly impossible for a beginner to come out alive. Will some C++ guru explain once forever the various uses a...
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Multiple inheritance/prototypes in JavaScript

I've come to a point where I need to have some sort of rudimentary multiple inheritance happening in JavaScript. (I'm not here to discuss whether this is a good idea or not, so please kindly keep those comments to yourself.) ...
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NVIDIA vs AMD: GPGPU performance

... Metaphorically speaking ati has a good engine compared to nvidia. But nvidia has a better car :D This is mostly because nvidia has invested good amount of its resources (in money and people) to develop important libraries r...
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GDB corrupted stack frame - How to debug?

... get this kind of SEGV, with a bogus (very small) PC address, 99% of the time it's due to calling through a bogus function pointer. Note that virtual calls in C++ are implemented via function pointers, so any problem with a virtual call can manifest in the same way. An indirect call instruction ju...
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Why use AJAX when WebSockets is available?

...WebSockets for a while now, I have chosen to create an Agile project management tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process. ...
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What is the boundary in multipart/form-data?

... No. HTML has nothing to do with that. Read below. Is it possible for me to define the ??? as abcdefg? Yes. If you want to send the following data to the web server: name = John age = 12 using application/x-www-form-urlencoded would be like this: name=John&age=12 As you can see, th...
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Providing white space in a Swing GUI

...uctor : BorderLayout(int horizontalGap, int verticalGap) Getter and setter methods For Horizontal Spacing : BorderLayout.getHgap() and BorderLayout.setHgap(int hgap) For Vertical Spacing : BorderLayout.getVgap() and BorderLayout.setVgap() 2.) FlowLayout : Overloaded Constructor : FlowLayout(i...
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What is a Context Free Grammar?

Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are? ...
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Understanding reference counting with Cocoa and Objective-C

... with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not over the hump yet. ...