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How to darken a background using CSS?

....png); } Reference: linear-gradient() - CSS | MDN UPDATE: Not all browsers support RGBa, so you should have a 'fallback color'. This color will be most likely be solid (fully opaque) ex:background:rgb(96, 96, 96). Refer to this blog for RGBa browser support. ...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

...o add them. Two's complement addition is very simple. You add numbers normally and any carry bit at the end is discarded. So they're added as follows: 0010 + 1111 =10001 = 0001 (discard the carry) 0001 is 1, which is the expected result of "2+(-1)". But in your "intuitive" method, adding is m...
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What is the common header format of Python files?

... Its all metadata for the Foobar module. The first one is the docstring of the module, that is already explained in Peter's answer. How do I organize my modules (source files)? (Archive) The first line of each file shoud be #!/us...
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Delete directory with files in it?

I wonder, what's the easiest way to delete a directory with all its files in it? 33 Answers ...
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unique object identifier in javascript

...niqueId()); Take care to make sure that whatever member you use to internally store the unique ID doesn't collide with another automatically created member name. share | improve this answer ...
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__FILE__, __LINE__, and __FUNCTION__ usage in C++

...st result in the mangled name. Since I'm not a compiler writer, it's not really my call. – Evan Teran Apr 5 '12 at 3:13 ...
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What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?

... int may be as small as 16 bits on some platforms. It may not be sufficient for your application. uint32_t is not guaranteed to exist. It's an optional typedef that the implementation must provide iff it has an unsigned integer type of exactl...
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Logical operators for boolean indexing in Pandas

...Error: The truth value of an array is ambiguous. Use a.empty, a.any() or a.all(). when used as a boolean value. That's because its unclear when it should be True or False. Some users might assume they are True if they have non-zero length, like a Python list. Others might desire for it to be True ...
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Extracting text from HTML file using Python

...'d like to extract the text from an HTML file using Python. I want essentially the same output I would get if I copied the text from a browser and pasted it into notepad. ...
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Python read-only property

... Generally, Python programs should be written with the assumption that all users are consenting adults, and thus are responsible for using things correctly themselves. However, in the rare instance where it just does not make sens...