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What is the purpose of XORing a register with itself? [duplicate]
xor eax, eax will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
MySQL has something like this:
5 Answers
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In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
Is there a corresponding X mark to ✓ ( ✓ )? What is it?
4 Answers
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How do CSS triangles work?
There're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle:
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C++ sorting and keeping track of indexes
Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples.
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In Matlab, when is it optimal to use bsxfun?
My Question: I've noticed that a lot of good answers to Matlab questions on SO frequently use the function bsxfun . Why?
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How to add icon inside EditText view in Android ?
I want to add a "search" icon to appear inside an EditText in the left edge? such as search box in Facebook Android app?
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Checkboxes in web pages – how to make them bigger?
The standard checkboxes rendered in most browsers are quite small and don’t increase in size even when a larger font is used. What is the best, browser-independent way to display larger checkboxes?
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How do I get a list of column names from a psycopg2 cursor?
I would like a general way to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature.
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How to set a stroke-width:1 on only certain sides of SVG shapes?
Setting a stroke-width: 1 on a <rect> element in SVG places a stroke on every side of the rectangle.
3 Answers
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