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How to find where gem files are installed

I can finds gems that are installed using gem list , but it doesn't show me where the gems are installed. 10 Answers ...
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Can I target all tags with a single selector?

I'd like to target all h tags on a page. I know you can do it this way... 10 Answers 1...
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Find out time it took for a python script to complete execution

...test function" L = [] for i in range(100): L.append(i) if __name__=='__main__': from timeit import Timer t = Timer("test()", "from __main__ import test") print t.timeit() Then to convert to minutes, you can simply divide by 60. If you want the script runtime in an easi...
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PHP - Move a file into a different folder on the server

I need to allow users on my website to delete their images off the server after they have uploaded them if they no longer want them. I was previously using the unlink function in PHP but have since been told that this can be quite risky and a security issue. (Previous code below:) ...
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How can I check if a background image is loaded?

...t it in CSS — so images are start downloading before css file — it's called preloading. – jcubic Feb 20 '11 at 17:05 ...
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How to throw std::exceptions with variable messages?

...atter & operator << (const Type & value) { stream_ << value; return *this; } std::string str() const { return stream_.str(); } operator std::string () const { return stream_.str(); } enum ConvertToString { to_str };...
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How to log source file name and line number in Python

...='%Y-%m-%d:%H:%M:%S', level=logging.DEBUG) logger = logging.getLogger(__name__) logger.debug("This is a debug log") logger.info("This is an info log") logger.critical("This is critical") logger.error("An error occurred") Generates this output: 2017-06-06:17:07:02,158 DEBUG [log.py:11] Thi...
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Count Rows in Doctrine QueryBuilder

... He accepted your answer so I guess all is well. I was under the impression that he only wanted a count without the overhead of actually retrieving the rows which my example shows. There is of course no reason why where conditions could not be added. ...
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Disable ALL CAPS menu items in Visual Studio 2013

...l Studio 2013 (as in VS 2012), MS reinforced their design decision to make ALL CAPS MENU ITEMS the default. The methods for reverting the menu style are almost the same methods used for Visual Studio 2012, which has been discussed before. Update (after Visual Studio 2013 Update 4) As of Visual Stu...
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How to read/write from/to file using Go?

... Let's make a Go 1-compatible list of all the ways to read and write files in Go. Because file API has changed recently and most other answers don't work with Go 1. They also miss bufio which is important IMHO. In the following examples I copy a file by reading...