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In log4j does checking isDebugEnabled before logging improve performance

I am using Log4J in my application for logging Previously I was using debug call like Option 1 loggerdebugsome debug text but some links suggest that it is

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Inputting a default image in case the src attribute of an html img is not valid

Is there any way to render a default image in an HTML ltimggt tag in case the src attribute is invalid using only HTML If not what would be your lightweight

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Is it possible to cast a Stream in Java 8

Is it possible to cast a stream in Java 8 Say I have a list of objects I can do something like this to filter out all the additional objects

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Is there a way to continue broken scp secure copy command process in Linux closed

Closed This question does not meet Stack Overflow guidelines It is not currently accepting answers This question does not appear to be about a specific

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LINQ Not Any vs All Dont

Often I want to check if a provided value matches one in a list eg when validating if acceptedValuesAnyv gt v someValue exception logic Recently Ive noticed

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Make a DIV fill an entire table cell

Ive seen this question and googled a bit but nothing so far has worked I figure its 2010 now those questionsanswers are old and well unanswered and we have

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Make XAMPP Apache serve file outside of htdocs folder closed

Closed This question does not meet Stack Overflow guidelines It is not currently accepting answers This question does not appear to be about a specific

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matchparent width does not work in RecyclerView

My RecyclerView and item has matchparent width but the result is ltview classandroidsupportv7widgetRecyclerView androidlayoutwidthmatchparent and items

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MySQL - Get row number on select

Can I run a select statement and get the row number if the items are sorted I have a table like this mysqlgt describe orders Field Type Null Key Default Extra

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