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What is the purpose of python's inner classes?

...seful to only one other class then it is logical to embed it in that class and keep the two together. Nesting such "helper classes" makes their package more streamlined. Increased encapsulation: Consider two top-level classes A and B where B needs access to members of A that would otherwise be dec...
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GIT merge error “commit is not possible because you have unmerged files”

so I forgot to pull my code before editing it and then when I committed the new code and tried to push, I got the error push is not possible, at that point I did a "git pull" which made some files with conflict highlighted. I removed the conflicts but I don't know what to do from here.. ...
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Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABL...

运行故障:edu.mit.appinventor aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent. Strongly consider using FLAG IMMUTABLE, only use FLAG_MUTABLE if some functionality depends on the PendingIntent being ...
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What's “tools:context” in Android layout files?

...ge of the activity, such as what the layout theme should be in the preview and where to insert onClick handlers when you make those from a quickfix share | improve this answer | ...
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How do I pass JavaScript variables to PHP?

...ipt code to the current page PHP code... PHP code runs at the server side, and it doesn't know anything about what is going on on the client side. You need to pass variables to PHP code from the HTML form using another mechanism, such as submitting the form using the GET or POST methods. <DOCTY...
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jQuery Scroll to bottom of page/iframe

... @Tom, I can't spot the difference between your solution and Mark's ! – Muhammad Gelbana Aug 9 '14 at 23:07 4 ...
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How to calculate UILabel width based on text length?

...ked for me. For 2014, I edited in this new version, based on the ultra-handy comment by Norbert below! This does everything. Cheers // yourLabel is your UILabel. float widthIs = [self.yourLabel.text boundingRectWithSize:self.yourLabel.frame.size ...
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Fastest way to extract frames using ffmpeg?

...about 20 times faster. We use fast seeking to go to the desired time index and extract a frame, then call ffmpeg several times for every time index. Note that -accurate_seek is the default , and make sure you add -ss before the input video -i option. Note that it's better to use -filter:v -fps=fps=...
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Passing $_POST values with cURL

...;input type="file"> fields) $data['file'] = '@/home/user/world.jpg'; $handle = curl_init($url); curl_setopt($handle, CURLOPT_POST, true); curl_setopt($handle, CURLOPT_POSTFIELDS, $data); curl_exec($handle); curl_close($handle) We have two options here, CURLOPT_POST which turns HTTP POST on, an...
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Convert object to JSON in Android

Is there a simple method to convert any object to JSON in Android? 6 Answers 6 ...