First two deal with null value and second two deal with empty string. <xsl:if test="USER/FIRSTNAME"> USERNAME is not null </xsl:if> <xsl:if test="not(USER/FIRSTNAME)"> USERNAME is null </xsl:if> <xsl:if test="U
} // method check if string is null or empty public static String isNullEmpty(String str) { // check if string is null if (str == null) { return "NULL"; } // check if string is empty else if(str.isEmpty()){ return "EMPTY"; } else { return "neither NULL nor EMPTY"; } ...
It returns true if the String contains at least one character and false otherwise. It doesn’t treat white spaces as empty: scala> val str1: String = "Hello" scala> val str2: String = "" scala> val str3: String = " " scala> println(str1.isEmpty) // false scala> println(str1...
Checking if a string is NULL or EMPTY is very common requirement in Powershell script. If we don’t do that we will end up with run time errors if we try to perform some operation on that string variable which is empty or null. So the question now is, how to check it? Well, belo...
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Learn how to effectively check if a Java string is null, empty, and whitespace. Enhance code reliability and prevent errors. Master string validation in Java now!
The-zoperator returnstrueif a string variable is null or empty. How the use the-zBash Operator Afterdeclaring a string variable, use the-zoperator in anif statementto check whether a string is empty or not: MY_STRING="" if [ -z $MYSTRING ] ...
C# for determining if AM or PM C# has GetDate() function? c# Hashtable getting values by Key name C# Help Assigning a boolean variable based on condition C# how to check char is null or empty c# if condition string length count C# IIF check int and return string if NullorEmpty C# ...
// checking if the string is not blank "notEmptyTextString": not isBlank(" 1234"), "notEmptyTextStringTwo": !isBlank("") } Output: { "emptyString": true, "stringWithSpaces": true, "textString": false, "somePayloadValue": true, "nullSt...
If it is one column, you are looking at each time, it will help.. Hope it Helps!! Tuesday, October 11, 2016 9:50 PM Dynamic Code : DECLARE@stringVARCHAR(MAX) DECLARE@tableVARCHAR(255) = '<Table_Name>' SELECT@string= ISNULL(@string+',','') + 'convert(varchar(max),['+ c....