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How can I increment a date by one day in Java?

... Something like this should do the trick: String dt = "2008-01-01"; // Start date SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Calendar c = Calendar.getInstance(); c.setTime(sdf.parse(dt)); c.add(Calendar.DATE, 1); // number of days to add dt = sdf.fo...
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?

...ver=utf8mb4, and leave characterEncoding out of the Connector/J connection string. Connector/J will then autodetect the UTF-8 setting. share | improve this answer | follow ...
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E11000 duplicate key error index in mongodb mongoose

... var userSchema = new mongoose.Schema({ local: { name: { type: String }, email : { type: String, require: true, index:true, unique:true,sparse:true}, password: { type: String, require:true }, }, facebook: { id : { type: String }, token : { type:...
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Django CharField vs TextField

...o? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the hood here that makes this the case? ...
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How to read multiple text files into a single RDD?

...t is only python syntax. The Scala equivalent would be sc.textFile(files.mkString(",")) – Davos Jun 25 '17 at 15:09 add a comment  |  ...
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Accept function as parameter in PHP

...nction(). It's not quite the same, as you have to pass your function as a string of code, which then gets eval()'d behind the scenes. Not ideal, but you might be able to use it. – zombat Apr 23 '10 at 17:06 ...
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Preview an image before it is uploaded

... } reader.readAsDataURL(input.files[0]); // convert to base64 string } } $("#imgInp").change(function() { readURL(this); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <form runat="server"> <input type='f...
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Is there a way to call a stored procedure with Dapper?

... end end Code: var parameters = new DynamicParameters(); string pass = EncrytDecry.Encrypt(objUL.Password); conx.Open(); parameters.Add("@username", objUL.Username); parameters.Add("@password", pass); parameters.Add("@RESULT", dbType: DbType.Int32, direction: ParameterDirection.Ret...
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How can I grep for a string that begins with a dash/hyphen?

I want to grep for the string that starts with a dash/hyphen, like -X , in a file, but it's confusing this as a command line argument. ...
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Python convert tuple to string

...method_descriptor: join(...) S.join(iterable) -> str Return a string which is the concatenation of the strings in the iterable. The separator between elements is S. >>> share | ...