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What does the ??!??! operator do in C?

...sign of sophistication. Besides being really the only decent OS, Unix also converted your upper case to lower, rather than vice versa. Those guys were really cool. – DigitalRoss Oct 26 '11 at 2:45 ...
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Iterating through a JSON object

...e and DECODE html=response.read().decode('utf8') # new python3 code # now convert the decoded string into real JSON loadedjson = json.loads(html) # print to make sure it worked print (loadedjson) # works like a charm # iterate through each key value for testdata in loadedjson['group']: print ...
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How to create an array from a CSV file using PHP and the fgetcsv function

... I have created a function which will convert a csv string to an array. The function knows how to escape special characters, and it works with or without enclosure chars. $dataArray = csvstring_to_array( file_get_contents('Address.csv')); I tried it with your ...
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C++ code file extension? .cc vs .cpp [closed]

... @CharlesAddis - Yes, I had to convert lots of code that had "abcd.H" (the c++ interface) and "abcd.h" (the C interface) in the same directory to "abcd.hpp" and "abcd.h" because just doing an "svn co" or unzip onto a Windows box or Mac OS X box (with defau...
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Regex for splitting a string using space when not surrounded by single or double quotes

I'm new to regular expressions and would appreciate your help. I'm trying to put together an expression that will split the example string using all spaces that are not surrounded by single or double quotes. My last attempt looks like this: (?!") and isn't quite working. It's splitting on the spa...
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LEFT JOIN only first row

...hat worked for me and i wanted to generalize and explain what's going on. convert: LEFT JOIN table2 t2 ON (t2.thing = t1.thing) to: LEFT JOIN table2 t2 ON (t2.p_key = (SELECT MIN(t2_.p_key) FROM table2 t2_ WHERE (t2_.thing = t1.thing) LIMIT 1)) the condition that connects t1 and t2 is mo...
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How can I display an RTSP video stream in a web page?

...load a single RTSP stream to centrally-hosted streaming server, which will convert your stream to RTMP/MPEG-TS and publish it to Flash players/Set-Top boxes. Wowza, Erlyvideo, Unreal Media Server, Red5 are your options. sh...
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

...ld from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x. What yield from does is it establishes a transparent bidirectional...
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How to Correctly handle Weak Self in Swift Blocks with Arguments

In my TextViewTableViewCell , I have a variable to keep track of a block and a configure method where the block is passed in and assigned. Here is my TextViewTableViewCell class: ...
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Can I change a private readonly field in C# using reflection?

... You are absolutely right, of course. My apologies. And yes, I did try, but I attempted to set a readonly property directly, not using a backing field. What I attempted made no sense. Your solution works perfectly fine (tested again, correctly this time) ...