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Setting a property by reflection with a string value

... You can use Convert.ChangeType() - It allows you to use runtime information on any IConvertible type to change representation formats. Not all conversions are possible, though, and you may need to write special case logic if you want to support conversions from t...
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Purpose of Python's __repr__

... __repr__ should return a printable representation of the object, most likely one of the ways possible to create this object. See official documentation here. __repr__ is more for developers while __str__ is for end users. A ...
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Back to previous page with header( “Location: ” ); in PHP

...this may not work with secure pages (HTTPS) and it's a pretty bad idea overall as the header can be hijacked, sending the user to some other destination. The header may not even be sent by the browser. Ideally, you will want to either: Append the return address to the request as a query variable ...
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How to get my IP address programmatically on iOS/macOS?

I would like to obtain my iPad's IP address programmatically. How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are? ...
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What is the LD_PRELOAD trick?

...ibrary (including the C runtime, libc.so). So to run ls with your special malloc() implementation, do this: $ LD_PRELOAD=/path/to/my/malloc.so /bin/ls share | improve this answer | ...
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C++ Best way to get integer division and remainder

... experiment with g++ 6.3.0 on x86_64 revealed that with no optimization at all, you get two idivl instructions, but with -O1 or greater, you get one. As the manual says, “Without any optimization option … Statements are independent”. – Tom Zych Oct 15 '17...
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What is the difference between dict.items() and dict.iteritems() in Python2?

... It's part of an evolution. Originally, Python items() built a real list of tuples and returned that. That could potentially take a lot of extra memory. Then, generators were introduced to the language in general, and that method was reimplemented as an ite...
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How to document Python code with doxygen [closed]

...on is bad. Comments are for a module maintainer (why and how implemented). All documentation should be in docstrings (how to use). – jfs Sep 13 '08 at 21:20 4 ...
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simple HTTP server in Java using only Java SE API

... GET/POST) in Java using just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is there an analog for HTTP server functionality? ...
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Get the first key name of a javascript object [duplicate]

... to execute significantly faster, O(1) rather than O(n). It's not silly at all. – Steven Lu Jan 8 '13 at 6:49 ...