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Check that an email address is valid on iOS [duplicate]

... Good cocoa function: -(BOOL) NSStringIsValidEmail:(NSString *)checkString { BOOL stricterFilter = NO; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/ NSString *stricterFilterString = @"^[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9...
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How does RegexOptions.Compiled work?

...nsidered "interpreted". Take this example: public static void TimeAction(string description, int times, Action func) { // warmup func(); var watch = new Stopwatch(); watch.Start(); for (int i = 0; i < times; i++) { func(); } watch.Stop(); Console.Wri...
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Sending files using POST with HttpURLConnection

...e know. Input data: Bitmap bitmap = myView.getBitmap(); Static stuff: String attachmentName = "bitmap"; String attachmentFileName = "bitmap.bmp"; String crlf = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; Setup the request: HttpURLConnection httpUrlConnection = null; URL url...
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Generate class from database table

... 'byte[]' when 'bit' then 'bool' when 'char' then 'string' when 'date' then 'DateTime' when 'datetime' then 'DateTime' when 'datetime2' then 'DateTime' when 'datetimeoffset' then 'DateTimeOffset' when 'decimal' then ...
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Which is more efficient: Multiple MySQL tables or one large table?

...ow on top of a legacy system. I had to expand the old database tables with extra columns. I decided to make new tables for the new data. Some new features come in handy for the legacy system and now I can easily integrate them without having to rewrite too much of the old queries ...
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SQLAlchemy: Creating vs. Reusing a Session

... of expire_on_commit pretty much optional, as this flag can incur a lot of extra SQL for an operation that calls commit() in the middle of a series of operations. Not sure if this answers your question. The next round is what you mention about threading. If your app is multithreaded, we recomme...
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Hidden Features of VB.NET?

... When clause is largely unknown. Consider this: Public Sub Login(host as string, user as String, password as string, _ Optional bRetry as Boolean = False) Try ssh.Connect(host, user, password) Catch ex as TimeoutException When Not bRetry ''//Try again, but only on...
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Encrypting & Decrypting a String in C# [duplicate]

... the kind of thing you're after, a simple single method call to allow some string-based plaintext to be encrypted with a string-based password, with the resulting encrypted string also being represented as a string. Of course, there's an equivalent method to decrypt the encrypted string with the sa...
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How to get position of a certain element in strings vector, to use it as an index in ints vector?

I am trying to get the index of an element in a vector of strings , to use it as an index in another vector of int type, is this possible ? ...
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Invalidating JSON Web Tokens

...exists / is authorized to access the api endpoint. So you aren't doing any extra db queries by comparing the jwt token version number with the one on the user. – DaftMonk Jul 7 '14 at 5:58 ...