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What is “loose coupling?” Please provide examples
I can't seem to grok the concept of "loose coupling." I suppose it doesn't help that the word "loose" usually has a negative connotation, so I always forget that loose coupling is a good thing.
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What is the reason for having '//' in Python? [duplicate]
I saw this in someone's code:
5 Answers
5
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Dynamically Changing log4j log level
...figuration will pose a more in depth approach.
LogManager.getRootLogger().setLevel(Level.DEBUG);
The changes are permanent through the life cyle of the Logger. On reinitialization the configuration will be read and used as setting the level at runtime does not persist the level change.
UPDATE: I...
CodeIgniter: Create new helper?
...to the CI instance if you desire to by doing getting the instance and then setting $this as a property of it... All if you want to of course.
– General Redneck
Apr 26 '13 at 15:24
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How to view files in binary from bash?
I would like to view the contents of a file in the current directory, but in binary from the command line. How can I achieve this?
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LEFT OUTER joins in Rails 3
I have the following code:
8 Answers
8
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Does a valid XML file require an XML declaration?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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Verifying that a string contains only letters in C#
I have an input string and I want to verify that it contains:
10 Answers
10
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How do I use the CONCAT function in SQL Server 2008 R2?
I was looking for a CONCAT function in SQL Server 2008 R2. I found the link for this function . But when I use this function, it gives the following error:
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Expansion of variables inside single quotes in a command in Bash
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Below is what worked for me -
QUOTE="'"
hive -e "alter table TBL_NAME set location $QUOTE$TBL_HDFS_DIR_PATH$QUOTE"
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