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What is the difference between exit and return? [duplicate]
...hat is difference between return and exit statement in C programming when called from anywhere in a C program?
4 Answers
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How do I create and access the global variables in Groovy?
...ipt in itself is a class with a method that will run the code, but that is all done runtime. We can define a variable to be scoped to the script by either omitting the type definition or in Groovy 1.8 we can add the @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 ...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
... Watch out when converting LocalDateTime to DateTime as not all LocalDateTimes are valid DateTimes. Source: joda-time.sourceforge.net/faq.html#illegalinstant and just running into this.
– Christophe De Troyer
Aug 10 '15 at 8:53
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Bash if [ false ] ; returns true
...ce "false" is a non-empty string, the test command always succeeds. To actually run the command, drop the [ command.
if false; then
echo "True"
else
echo "False"
fi
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How to make shallow git submodules?
Is it possible to have shallow submodules? I have a superproject with several submodules, each with a long history, so it gets unnecessarily big dragging all that history.
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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
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A little late here but generally I've seen this problem occur when you get a 'tablespace full' error when running in a 'innodb_file_per_table' mode. Without going into too much detail (more here), the database server's tablespace is defined by the inno...
Group By Multiple Columns
... fields of an anonymous type C# assumes you want to use the name of the finally accessed property/field from the projection. (So your example is equivalent to Mo0gles')
– Chris Pfohl
Jan 28 '15 at 13:54
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How to change default text file encoding in Eclipse?
...Anyway, Eclipse says that Cp1250 is a 'default' encoding and I have to manually change it to UTF-8 each time I add anything.
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How to express a NOT IN query with ActiveRecord/Rails?
.... It would still break on nil, but I find that the array you pass in is usually generated by a filter that will return [] at the very least and never nil. I recommend checking out Squeel, a DSL on top of Active Record. Then you could do: Topic.where{id.not_in actions}, nil/empty/or otherwise.
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How can I center a div within another div? [duplicate]
...ing: 10px;
position: relative;
}
The CSS reference by MDN explains it all.
Check out these links:
auto - CSS reference | MDN
margin - CSS reference | MDN
What is the meaning of auto value in a CSS property - Stack Overflow
In action at jsFiddle.
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