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How do I compare two string variables in an 'if' statement in Bash? [duplicate]
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The double equals sign is an error in the first case. Bash tolerates it, but the portable variant is if [ "$s1" = "$s2" ]. See also Rahul's answer
– tripleee
Aug 12 '16 at 4:59
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Sublime Text 2: Trim trailing white space on demand
I know that Sublime Text 2 can delete the trailing white space on files upon saving.
5 Answers
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Convert xlsx to csv in Linux with command line
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Works great, but I can get to run only as sudo (IOError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/prettytable-0.7.2-py2.7.egg/EGG-INFO/top_level.txt'). Now that I think about it, I got the same error with csvkit.
– user21054...
Why am I not getting a java.util.ConcurrentModificationException in this example?
...hod does not work when removing items. You can remove the element without error, but you will get a runtime error when you try to access removed items. You can't use the iterator because as pushy shows it will cause a ConcurrentModificationException, so use a regular for loop instead, but step ba...
Argparse: Way to include default values in '--help'?
Suppose I have the following argparse snippet:
3 Answers
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Is it possible to use the SELECT INTO clause with UNION [ALL]?
...Opstal, why have you selected top 100? When we select all records it gives error as- "The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified. ". Please give some solution.
– Sh...
How can I retrieve Id of inserted entity using Entity framework? [closed]
...showing your exception (and inner exception) and code snippet causing that error.
– Ladislav Mrnka
Mar 6 '11 at 20:09
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How can I get nth element from a list?
...ype is acceptable as idiomatic Haskell. [1,2,3]!!6 will give you a runtime error. It could very easily be avoided if !! had the type [a] -> Int -> Maybe a. The very reason we have Haskell is to avoid such runtime errors!
– worldsayshi
Apr 14 '15 at 21:08
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How to make grep only match if the entire line matches?
... option).
Example:
echo -f |grep -- "-f" # where grep "-f" will show error
echo -f |grep -F -- "-f" # whre grep -F "-f" will show error
grep "pat" -- "-file" # grep "pat" "-file" won't work. -file is the filename
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...ee in the console
myFunction(); // unreachable, will throw an error, see in the console
myObject.anotherFunc(); // unreachable, will throw an error, see in the console
In the example above, any variable defined in the function (i.e. declared using var) will be "private" and accessi...