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How to sort an array in Bash

... Next, the sort <<<"${array[*]}" part <<<, called here strings, takes the expansion of "${array[*]}", as explained above, and feeds it into the standard input of sort. With our example, sort is fed this following string: a c b f 3 5 Since sort sorts, it produces: 3 5 a c b f...
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bash: shortest way to get n-th column of output

... But then I need to type an extra space. That's too exhausting :) – StackedCrooked Jun 30 '18 at 9:32 ...
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Service Reference Error: Failed to generate code for the service reference

...s parameters inside it are of type System.Guid, they will be translated to strings in the generated client if the reuse types option is disabled. An alternative that I prefer to disabling reusing types is to add the service reference from Class Library project specifically created for that purpose....
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Check if two unordered lists are equal [duplicate]

...se' The difference is, the later will print True, if list2 contains some extra elements along with all the elements of list1. In simple words, it will ensure that all the elements of list1 should be present in list2, regardless of whether list2 has some extra elements or not. ...
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Setting an environment variable before a command in Bash is not working for the second command in a

... process (like the accepted answer) nor will it execute the commands in an extra subshell (like the other answer). As we get a few regular views, it's probably good to give an alternative to eval that will please everyone, and has all the benefits (and perhaps even more!) of this quick eval “tric...
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How to order by with union in SQL?

...ed from the table. The point is that your header may very well be the same string as the name of the column from which you're selecting and this is the solution for using the label you want without it colliding in your union. – Yevgeny Simkin Oct 23 '17 at 6:36...
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Extract filename and extension in Bash

... would greedily remove the longest match to the . and you'd have the empty string. (You can work around that with a temporary variable: FULL_FILENAME=$FILENAME FILENAME=${FULL_FILENAME##*/} echo ${FILENAME%%.*} ) This site explains more. ${variable%pattern} Trim the shortest match from th...
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C++, variable declaration in 'if' expression

.... If you really need to restrict the scope of that variable you can put an extra block around the if block. I have never used this syntax. – Giorgio Oct 20 '11 at 15:53 2 ...
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Understanding Spring @Autowired usage

...(Color color) { this.color = color; } The @Resource (you can read some extra data about it in the first comment on this answer) spares you the use of two annotations and instead you only use one. I'll just add two more comments: Good practice would be to use @Inject instead of @Autowired beca...
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Starting python debugger automatically on error

...tically start pdb when an error is encountered? I am not against having an extra import statement at the top of the file, nor a few extra lines of code. ...