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How to darken a background using CSS?

... image */ url(http://fc02.deviantart.net/fs71/i/2011/274/6/f/ocean__sky__stars__and_you_by_muddymelly-d4bg1ub.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 (...
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Capturing Groups From a Grep RegEx

...e using Bash, you don't even have to use grep: files="*.jpg" regex="[0-9]+_([a-z]+)_[0-9a-z]*" for f in $files # unquoted in order to allow the glob to expand do if [[ $f =~ $regex ]] then name="${BASH_REMATCH[1]}" echo "${name}.jpg" # concatenate strings name=...
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What is the preferred/idiomatic way to insert into a map?

... which you assign a value. Obviously, this can be inefficient if the mapped_type can benefit from being directly initialized instead of default constructed and assigned. This method also makes it impossible to determine if an insertion has indeed taken place or if you have only overwritten the value...
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Count character occurrences in a string in C++

How can I count the number of "_" in a string like "bla_bla_blabla_bla" ? 13 Answers ...
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How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?

... Run the following from an elevated Powershell prompt: gwmi Win32_Product -Filter "Name LIKE 'Microsoft Advertising%'" And it should show the culprits: IdentifyingNumber : {6AB13C21-C3EC-46E1-8009-6FD5EBEE515B} Name : Microsoft Advertising SDK for Windows 8.1 - ENU Vendor ...
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What does it mean if a Python object is “subscriptable” or not?

... It basically means that the object implements the __getitem__() method. In other words, it describes objects that are "containers", meaning they contain other objects. This includes strings, lists, tuples, and dictionaries. ...
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How do I get the base URL with PHP?

... XAMPP on Windows Vista. In my development, I have http://127.0.0.1/test_website/ . 22 Answers ...
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How exactly does __attribute__((constructor)) work?

... edited Mar 20 at 8:25 io_guy 1344 bronze badges answered Jan 12 '10 at 22:52 jannebjanneb ...
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Check if something is (not) in a list in Python

... @nightcracker That makes no sense as A not in B is reduced to doing not B.__contains__(A) which is the same as what not A in B is reduced to which is not B.__contains__(A). – Dan D. May 2 '12 at 0:33 ...
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How to divide flask app into multiple py files?

...eate a sub-component of your app as a Blueprint in a separate file: simple_page = Blueprint('simple_page', __name__, template_folder='templates') @simple_page.route('/<page>') def show(page): # stuff And then use it in the main part: from yourapplication.simple_page import simple_page ...