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PHP Redirect with POST data

... Generate a form on Page B with all the required data and action set to Page C and submit it with JavaScript on page load. Your data will be sent to Page C without much hassle to the user. This is the only way to do it. A redirect is a 303 HTTP header tha...
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SQLAlchemy - Getting a list of tables

... All of the tables are collected in the tables attribute of the SQLAlchemy MetaData object. To get a list of the names of those tables: >>> metadata.tables.keys() ['posts', 'comments', 'users'] If you're using the...
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When would anyone use a union? Is it a remnant from the C-only days?

I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
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Getting an empty JQuery object

...tion about it, but I solved it by using PHP instead of jQuery so I can't really dig more into it right now. – cregox Mar 2 '11 at 19:02 2 ...
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How do I find out which keystore was used to sign an app?

...ture algorithm name: SHA1withRSA Then use the keytool again to print out all the aliases of your signing keystore: keytool -list -keystore my-signing-key.keystore You will get a list of aliases and their certificate fingerprint: android_key, Jan 23, 2010, PrivateKeyEntry, Certificate fingerpri...
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How is __eq__ handled in Python and in what order?

... The a == b expression invokes A.__eq__, since it exists. Its code includes self.value == other. Since int's don't know how to compare themselves to B's, Python tries invoking B.__eq__ to see if it knows how to compare itself to an int. If you amend your ...
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How to use a custom comparison function in Python 3?

...e a workaround, but I think I am going to lose some performance by passing all the comparison operators < > = to middle man, since my original custom sort is written in C , it had around 1/2x speed of default sort. – YOU Mar 28 '10 at 5:26 ...
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Can an AJAX response set a cookie?

...ink the question only makes sense for http clients that support cookie. So all question-asker only wishes to know if cookies can be written in AJAX request that means his UA supports cookies :) – this. __curious_geek Jul 27 '10 at 4:52 ...
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How do I export UIImage array as a movie?

...riter has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll have to: 1) Wire the writer: NSError *error = nil; AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL: [...
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is node.js' console.log asynchronous?

...ete, since stdout is synchronous now. Well let's see what console.log actually does. First of all it's part of the console module: exports.log = function() { process.stdout.write(format.apply(this, arguments) + '\n'); }; So it simply does some formatting and writes to process.stdout, nothing ...