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How to check for a valid Base64 encoded string

... 4 == 0 ? 0 : 4), '='), new Span<byte>(new byte[base64.Length]), out _). Thank you. – rvnlord Jul 28 at 20:23 ...
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How can I launch Safari from an iPhone app?

...wers. import UIKit class InterAppCommunication { static func openURI(_ URI: String) { UIApplication.shared.open(URL(string: URI)!, options: [:], completionHandler: { (succ: Bool) in print("Complete! Success? \(succ)") }) } } ...
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Using C# to check if string contains a string in string array

... Linq possibly have over Array.IndexOf?? – Heckflosse_230 Nov 6 '13 at 20:19 21 This doesn't solv...
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Convert NSDate to NSString

...less ARC is active [formatter release]; Swift 4.2 : func stringFromDate(_ date: Date) -> String { let formatter = DateFormatter() formatter.dateFormat = "dd MMM yyyy HH:mm" //yyyy return formatter.string(from: date) } ...
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qmake: could not find a Qt installation of ''

...e to list qt4 when asked directly. This made everything better: export QT_SELECT=qt4 qtchooser then knew to use qmake-qt4, and so on. share | improve this answer | follow...
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How to save a Python interactive session?

...for your use-case there is the %save magic command, you just input %save my_useful_session 10-20 23 to save input lines 10 to 20 and 23 to my_useful_session.py (to help with this, every line is prefixed by its number). Furthermore, the documentation states: This function uses the same syntax as...
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How to use putExtra() and getExtra() for string data

...een.this, SecondScreen.class); String strName = null; i.putExtra("STRING_I_NEED", strName); Then, to retrieve the value try something like: String newString; if (savedInstanceState == null) { Bundle extras = getIntent().getExtras(); if(extras == null) { newString= null; } e...
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How do I create 7-Zip archives with .NET?

...solution is to use Process.Start("7z.exe......) – klm_ Oct 1 '17 at 7:34 add a comment  |  ...
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How can I specify a local gem in my Gemfile?

...nly by using the following configuration option: $ bundle config local.GEM_NAME /path/to/local/git/repository This is extremely helpful if you're developing two gems or a gem and a rails app side-by-side. Note though, that this only works when you're already using git for your dependency, for ex...
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How to retrieve GET parameters from javascript? [duplicate]

... .split('&') .reduce(function _reduce (/*Object*/ a, /*String*/ b) { b = b.split('='); a[b[0]] = decodeURIComponent(b[1]); return a; }, {}); ...