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How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
..., you can only do this safely if CR appears in your file only as the first byte of a CRLF byte pair. This is usually the case. You then use:
tr -d '\015' <DOS-file >UNIX-file
Note that the name DOS-file is different from the name UNIX-file; if you try to use the same name twice, you will ...
count number of lines in terminal output
... agree with this anymore. I feel like remembering that you can count lines by piping to wc -l is much more useful as you can use it with other programs than grep as well.
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Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
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What do you mean by ... Their parallel variants are used...?
– Alex Gordon
Feb 15 '17 at 7:30
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Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
...s the statement isn't finished and waits for more input. This is indicated by the prompt changing from postgres=# to postgres-#. An extremely subtle change that I wish psql would do differently (more "prominent").
By entering the meta-command \list the "current" SQL statement is "aborted" without ...
How do I include negative decimal numbers in this regular expression?
How do I match negative numbers as well by this regular expression? This regex works fine with positive values, but I want it to also allow negative values e.g. -10, -125.5 etc.
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Can bash show a function's definition?
... was, and if it was defined as a function it calls declare -f as explained by pmohandras.
To print out just the body of the function (i.e. the code) use sed:
type foobar | sed '1,3d;$d'
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How do you grep a file and get the next 5 lines
... a warning
is given.
--group-separator=SEP
Use SEP as a group separator. By default SEP is double hyphen (--).
--no-group-separator
Use empty string as a group separator.
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Would it be beneficial to begin using instancetype instead of id?
... alloc, init, etc. are automatically promoted to instancetype by the compiler. That isn't to say there's no benefit; there is, but it isn't this.
– Steven Fisher
Feb 5 '13 at 19:17
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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...wer, but on the other hand, someone have set the column to be incrementing by itself up on insert. In that case the table will keep track of the next free number, and you do not need to generate the OperationID by yourself. The new id can be fetched by SELECT SCOPE_IDENTITY().
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Objective-C: Property / instance variable in category
...ng to another place in memory and tried to access the associated reference by passing the pointer to the copied string as a key.
– Mr Rogers
Sep 30 '13 at 17:58
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