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How to check empty NSString
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Checking empty string NSString *string1=@""; NSString *string2=@" "; NSString *string3=@" \n "; st...
how to create singleton object
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Singleton object are created only once in the life cycle of the app. Singleton object can be accessed using [ClassName sharedInstance]. ...
@property types
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Objects have properties to access for public. Types of attributes atomic - can be accessed only by one thread at a time. non-atomic - c...
How to install xcode
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Download Xcode from https://developer.apple.com/xcode/ Drag and drop to applications. Then open Xcode from Applications.
StringArray to String in java
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By Using StringUtils.join method in apache common we can easily convert String[] to String. You can download this jar from Here . ...
Format Date in java
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DateFormatUtils.format Utility method is used to format date from date to string. You can use this method with the help of commons-lang-2...
File.separator vs File.pathSeparator
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File.separator == > separator: Platform dependent default name-separator character as String. For windows, it’s ‘\’ and for...
Remove null values in ArrayList
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By Using Collections.singleton(null) we can remove the null values in the list. package commonsUtils; import java.util.ArrayLi...
StringEscapeUtils.escapeXml
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Unescapes a string containing XML entity escapes to a string containing the actual Unicode characters corresponding to the escapes. Sup...
StringEscapeUtils.escapeSql
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Escapes the characters in a String to be suitable to pass to an SQL query. For example , statement.executeQuery("SELECT *...
StringEscapeUtils.escapeJavaScript
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Escapes the characters in a String using JavaScript String rules. Escapes any values it finds into their JavaScript String form. Deals...
StringEscapeUtils.escapeJava
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Escapes the characters in a String using Java String rules Deals correctly with quotes and control-chars (tab, backslash, cr, ff, etc....
How to Unlock XELSYSADM account in OIM
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If Xelsysadm account gets locked in OIM ther are 2 ways to unlock it. If you have any other adminstrator account, login using that acou...
Remove Duplicate in UserDefinied list
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we can remove duplicate object in user definied list by overriding equals and hashcode method in java. first create Java Bean. Person.ja...
Remove Duplicates in list
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We have to create a list of String. Then pass that string top Hashset.(i.e)HashSet will not allow duplicates. So the resultant list is ...
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