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Forward function declarations in a Bash or a Shell script?
...ting until the last line. By passing "$@" to main() you can access the command-line arguments $1, $2, et al just as you normally would.
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What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
...echnically, the first raises a RuntimeError with the message set to "foo", and the second raises an Exception with the message set to "foo".
Practically, there is a significant difference between when you would want to use the former and when you want to use the latter.
Simply put, you probably w...
how to avoid a new line with p tag?
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Span is the same and doesn't go onto a new line! as one.beat.consumer said
– Anicho
Apr 26 '12 at 22:38
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Can angularjs routes have optional parameter values?
Can I set a route with optional params (same template and controller, but some params should be ignored if they don't exist?
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What is the standard exception to throw in Java for not supported/implemented operations?
In particular, is there a standard Exception subclass used in these circumstances?
4 Answers
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Compare integer in bash, unary operator expected
...at variable substitutions are done, the shell proceeds with the comparison and.... fails because it cannot see anything intelligible to the left of -gt. However, quoting $i:
if [ "$i" -ge 2 ] ; then ...
becomes:
if [ " " -ge 2 ] ; then ...
The shell now sees the double-quotes, and knows th...
How to check if field is null or empty in MySQL?
...
end as field1
from tablename
If you only want to check for null and not for empty strings then you can also use ifnull() or coalesce(field1, 'empty'). But that is not suitable for empty strings.
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Replace Default Null Values Returned From Left Outer Join
...ables using a left outer join. Many times, there is no data in the second and third tables and so I get a null which I think is the default for left outer join. Is there a way to replace the default values in the select statement? I have a workaround in that I can select into a table variable but...
Redirect from asp.net web api post action
...ew Uri(fullyQualifiedUrl);
Note:
Will only work if both your MVC website and WebApi are on the same URL
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What is the difference between fastcgi and fpm?
...d somewhere that fpm means FastCGI process manager. Does that mean fastcgi and fpm are same? If they are same, then why do we have two different macports variants for php namely
"php5 +fastcgi" and
"php5 +fpm"
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