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How to validate an e-mail address in swift?

... I would use NSPredicate: func isValidEmail(_ email: String) -> Bool { let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}" let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx) return emailPred.evaluate(with: email) } for v...
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Search all the occurrences of a string in the entire project in Android Studio

...dio (IntelliJ), and I now look for the feature to find the occurrence of a string in any of the files in my project. For example: I want to find all the files that contain the string " .getUuid() " ...
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How does one use rescue in Ruby without the begin and end block

...nline: 1 + "str" rescue "EXCEPTION!" will print out "EXCEPTION!" since 'String can't be coerced into Fixnum' share | improve this answer | follow | ...
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What is Serialization?

... So it turns it into a string? – NoName Oct 7 '19 at 21:17 1 ...
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Clear android application user data

...mission. So, run su first. Here is the sample code: private static final String CHARSET_NAME = "UTF-8"; String cmd = "pm clear com.android.browser"; ProcessBuilder pb = new ProcessBuilder().redirectErrorStream(true).command("su"); Process p = pb.start(); // We must handle the result stream in an...
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'

I have the following string value: "walmart obama ????????" 11 Answers 11 ...
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Date format Mapping to JSON Jackson

...ntly store the variable in a MongoDB DB collection as Date (not as Long or String). Is this even possible? Thank you – RedEagle Aug 4 '16 at 22:36 ...
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How can I pass an argument to a PowerShell script?

... what if the parameter is a string? What is the syntax? would it be something like -step '15' or -step "15" – Andrew Gray Nov 2 '15 at 0:04 ...
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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?

... You can use LOG such as : Log.e(String, String) (error) Log.w(String, String) (warning) Log.i(String, String) (information) Log.d(String, String) (debug) Log.v(String, String) (verbose) example code: private static final String TAG = "MyActivity"; ... L...
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Get nested JSON object with GSON using retrofit

... then have a Content POJO: class Content { public int foo; public String bar; } Then you write a deserializer: class MyDeserializer implements JsonDeserializer<Content> { @Override public Content deserialize(JsonElement je, Type type, JsonDeserializationContext jdc) ...