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No appenders could be found for logger(log4j)?
I have put log4j to my buildpath, but I get the following message when I run my application:
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How to read from stdin line by line in Node
I'm looking to process a text file with node using a command line call like:
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Stack smashing detected
I am executing my a.out file. After execution the program runs for some time then exits with the message:
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How to set size for local image using knitr for markdown?
I have a local image that I would like to include in an .Rmd file which I will then knit and convert to HTML slides with Pandoc . Per this post , this will insert the local image :
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How can I maintain fragment state when added to the back stack?
I've written up a dummy activity that switches between two fragments. When you go from FragmentA to FragmentB, FragmentA gets added to the back stack. However, when I return to FragmentA (by pressing back), a totally new FragmentA is created and the state it was in is lost. I get the feeling I'm ...
In Intellij IDEA how do I replace text with a new line?
Say I wanted to replace all commas with commas and a new line using Intellij IDEA's replace function. What do I put in the search box? In vim I'd use &\r
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Cleaning `Inf` values from an R dataframe
In R, I have an operation which creates some Inf values when I transform a dataframe.
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What is a non-capturing group in regular expressions?
How are non-capturing groups, i.e. (?:) , used in regular expressions and what are they good for?
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How can I multiply and divide using only bit shifting and adding?
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How to get a string after a specific substring?
How can I get a string after a specific substring?
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