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What is the meaning and difference between subject, user and principal?

...ntext of security frameworks, a few terms commonly occur subject , user and principal , of which I have not been able to find a clear definition and the difference between them. ...
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PostgreSQL: Difference between text and varchar (character varying)

What's the difference between the text data type and the character varying ( varchar ) data types? 9 Answers ...
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What's the difference between emulation and simulation? [duplicate]

In simple understandable terms, what is the difference between the two terms? 10 Answers ...
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In C, how should I read a text file and print all strings

... The simplest way is to read a character, and print it right after reading: int c; FILE *file; file = fopen("test.txt", "r"); if (file) { while ((c = getc(file)) != EOF) putchar(c); fclose(file); } c is int above, since EOF is a negative number, an...
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]

I want to toggle a variable between 0 and 1. If it's 0 I want to set it to 1, else if it's 1 I want to set it to 0. 31 Answ...
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Plurality in user messages

...u sure you want to delete them?" ); This is because different languages handle plurality differently. Some like Malay don't even have syntactic plurals so the strings would generally be identical. Separating the two strings makes it easier to support other languages later on. Otherwise if this ap...
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How do you compare two version Strings in Java?

Is there a standard idiom for comparing version numbers? I can't just use a straight String compareTo because I don't know yet what the maximum number of point releases there will be. I need to compare the versions and have the following hold true: ...
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Fastest way to iterate over all the chars in a String

... as byte[] by default. SECOND UPDATE: As of 2016-10-25, on my AMDx64 8core and source 1.8, there is no difference between using 'charAt' and field access. It appears that the jvm is sufficiently optimized to inline and streamline any 'string.charAt(n)' calls. THIRD UPDATE: As of 2020-09-07, on my Ry...
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Batch files - number of command line arguments

Just converting some shell scripts into batch files and there is one thing I can't seem to find...and that is a simple count of the number of command line arguments. ...
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How do I replace NA values with zeros in an R dataframe?

I have a data frame and some columns have NA values. 21 Answers 21 ...