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Can I pass an array as arguments to a method with variable arguments in Java?
...Object[] { "hello", "world!"});
It's just syntactic sugar - the compiler converts the first one into the second, since the underlying method is expecting an array for the vararg parameter.
See
Varargs - J2SE 1.5 Documentation
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Return type of '?:' (ternary conditional operator)
...riate whether or not the condition is true. If one of the operands must be converted to a different type to match the other then the conditional expression cannot be an lvalue as the result of this conversion would not be an lvalue.
ISO/IEC 14882:2011 references:
3.10 [basic.lval] Lvalues and rvalu...
How do I encode and decode a base64 string?
...TextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
return System.Convert.ToBase64String(plainTextBytes);
}
Decode
public static string Base64Decode(string base64EncodedData) {
var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
return System.Text.Encoding.UT...
Use ASP.NET MVC validation with jquery ajax?
... Your "GetModelStateErrors" can be simplified completely by converting it to a way simpler single-line statement: return ModelState.Values.SelectMany(x => x.Errors).Select(x => x.ErrorMessage).ToList();
– Camilo Terevinto
Sep 3 '16 at 0:44
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
I am wondering how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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What does `:_*` (colon underscore star) do in Scala?
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For some of the lazy folks like me, it just converts a Seq to varArgs!
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Converting Symbols, Accent Letters to English Alphabet
...ow, there are thousands of characters in the Unicode chart and I want to convert all the similar characters to the letters which are in English alphabet.
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Conversion failed when converting date and/or time from character string while inserting datetime
...ny formats supported by SQL Server - see the MSDN Books Online on CAST and CONVERT. Most of those formats are dependent on what settings you have - therefore, these settings might work some times - and sometimes not.
The way to solve this is to use the (slightly adapted) ISO-8601 date format that i...
Replacing NULL with 0 in a SQL server query
...L and COALESCE are also different. For example,
a NULL value for ISNULL is converted to int whereas for COALESCE,
you must provide a data type.
ISNULL takes only 2 parameters whereas COALESCE takes a variable
number of parameters.
if you need to know more here is the full document from msdn.
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Replace whitespaces with tabs in linux
... User Commands UNEXPAND(1)
NAME
unexpand - convert spaces to tabs
SYNOPSIS
unexpand [OPTION]... [FILE]...
DESCRIPTION
Convert blanks in each FILE to tabs, writing to standard output. With
no FILE, or when FILE is -, read standard input.
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