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What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?
...RACTER VARYING is the official type name from the ANSI SQL standard, which all compliant databases are required to support. VARCHAR is a shorter alias which all modern databases also support. I prefer VARCHAR because it's shorter and because the longer name feels pedantic. However, postgres tools li...
Maven “Module” vs “Project” (Eclipse, m2eclipse plugin)
...ne point of view a little, so now I was trying to use it in Eclipse; I installed the m2eclipse plugin to do so.
2 Answers
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Meaning of ffmpeg output (tbc, tbn, tbr) [closed]
I am using ffmpeg to tell me video info. Specifically:
1 Answer
1
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Serialize object to query string in JavaScript/jQuery [duplicate]
...find information on how to serialize an object to query string format, but all my searches are drowning in results on how to go the other way (string/form/whatever to JSON).
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What is $@ in Bash? [duplicate]
I reckon that the handle $@ in a shell script is an array of all arguments given to the script. Is this true?
2 Answers
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What does preceding a string literal with “r” mean? [duplicate]
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The r means that the string is to be treated as a raw string, which means all escape codes will be ignored.
For an example:
'\n' will be treated as a newline character, while r'\n' will be treated as the characters \ followed by n.
When an 'r' or 'R' prefix is present,
a character following...
How to create empty folder in java? [duplicate]
...dia.net/java/beginners/java-create-directory.shtml
// Create a directory; all non-existent ancestor directories are
// automatically created
success = (new File("../potentially/long/pathname/without/all/dirs")).mkdirs();
if (!success) {
// Directory creation failed
}
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How can a JACC provider use the Principal-to-role mapping facilities of the server it's deployed on?
...lassfish and JBoss support principal-to-role mappings, JACC does no assume all containers do, and so it delegates the responsibility of keeping those mappings to the JACC provider implementation. From the docs (see: PolicyConfiguration.addToRole method):
It is the job of the Policy provider to e...
SQLAlchemy versioning cares about class import order
...he problem by putting the try: except stuff in a lambda and
running them all after all the imports have happened.
Great!
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CSS rule to apply only if element has BOTH classes [duplicate]
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Below applies to all tags with the following two classes
.abc.xyz {
width: 200px !important;
}
applies to div tags with the following two classes
div.abc.xyz {
width: 200px !important;
}
If you wanted to modify this using jQuery...