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How to change the type of a field?

...e to array instead of double to string. My actual data was in this format :3.1 whereas simone code is working fine for me – Pankaj Khurana Apr 9 '14 at 9:30 ...
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How can I open multiple files using “with open” in Python?

... As of Python 2.7 (or 3.1 respectively) you can write with open('a', 'w') as a, open('b', 'w') as b: do_something() In earlier versions of Python, you can sometimes use contextlib.nested() to nest context managers. This won't work as expe...
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Error type 3 Error: Activity class {} does not exist

... This is the only thing that worked for me with Android Studio 3.1 Canary 7. – NOTiFY Jan 11 '18 at 14:00 3 ...
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Difference between declaring variables before or in loop?

... @Jon, was it a bug in C# 1.0? Shouldn't ideally Outer be 9? – nawfal Jul 8 '14 at 18:10 ...
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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?

I'm writing a web app for the iPad ( not a regular App Store app - it's written using HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way ...
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Does Python have an ordered set?

...signing them None), then one has essentially an ordered set. As of Python 3.1 there is collections.OrderedDict. The following is an example implementation of an OrderedSet. (Note that only few methods need to be defined or overridden: collections.OrderedDict and collections.MutableSet do the heavy ...
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How to detect total available/free disk space on the iPhone/iPad device?

...rmatter:(long long)diskSpace { NSString *formatted; double bytes = 1.0 * diskSpace; double megabytes = bytes / MB; double gigabytes = bytes / GB; if (gigabytes >= 1.0) formatted = [NSString stringWithFormat:@"%.2f GB", gigabytes]; else if (megabytes >= 1.0) ...
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How to recognize swipe in all 4 directions

... Apple Swift version 3.1 - Xcode Version 8.3 (8E162) The handy way from Alexandre Cassagne's approach let directions: [UISwipeGestureRecognizerDirection] = [.up, .down, .right, .left] for direction in directions { let gesture = UISwipeGestu...
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Force browser to clear cache

...ke "_versionNo" to the file name for each release. For example: script_1.0.css // This is the URL for release 1.0 script_1.1.css // This is the URL for release 1.1 script_1.2.css // etc. Or alternatively do it after the file name: script.css?v=1.0 // This is the URL for release 1.0 script.css...
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“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si

...-cert /usr/local/bin/gdb Where content of gdb.xml is: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>com.apple.security.cs.allow-jit&l...