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What do the plus and minus signs mean in Objective-C next to a method?
In Objective-C, I would like to know what the + and - signs next to a method definition mean.
4 Answers
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Saving grid.arrange() plot to file
I am trying to plot multiple plots using ggplot2 , arranging them using grid.arrange() .
Since I managed to find someone describing the exact problem I have, I have quoted from the problem description from link :
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Precise Financial Calculation in JavaScript. What Are the Gotchas?
In the interest of creating cross-platform code, I'd like to develop a simple financial application in JavaScript. The calculations required involve compound interest and relatively long decimal numbers. I'd like to know what mistakes to avoid when using JavaScript to do this type of math—if it is...
PostgreSQL delete with inner join
i am getting the following error PostgreSQL 8.2.11
5 Answers
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
Recently I am using Python module os, when I tried to change the permission of a file, I did not get the expected result. For example, I intended to change the permission to rw-rw-r--,
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How can I get a file's size in C? [duplicate]
How can I find out the size of a file I opened with an application written in C ?
I would like to know the size, because I want to put the content of the loaded file into a string, which I allocate using malloc() . Just writing malloc(10000*sizeof(char)); is IMHO a bad idea.
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Why is Scala's immutable Set not covariant in its type?
EDIT : Re-written this question based on original answer
3 Answers
3
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Check if a Postgres JSON array contains a string
I have a table to store information about my rabbits. It looks like this:
4 Answers
4
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How can I split a text into sentences?
I have a text file. I need to get a list of sentences.
12 Answers
12
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How Do I Document Packages in Java?
In the Java APIs I can see Javadoc comments for packages.
3 Answers
3
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