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How to output a multiline string in Bash?
...n MacOS's man page while still usable. It is documented in the man page of Linux.
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How to change my Git username in terminal?
...ate .gitconfig file:
windows : c/users/< username or empID >
Mac or Linux : run this command to go to home directory cd ~
or simply run the following commands one after the other
git config --global --edit
git commit --amend --reset-author
method-3 (git credential pop up)
windows :
Control P...
How does delete[] know it's an array?
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will this work? In windows & linux we didnt get this working.
– buddy
Aug 1 '12 at 8:42
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Copy a table from one database to another in Postgres
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Using psql, on linux host that have connectivity to both servers
( export PGPASSWORD=password1
psql -U user1 -h host1 database1 \
-c "copy (select field1,field2 from table1) to stdout with csv" ) \
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( export PGPASSWORD=password2
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Mongod complains that there is no /data/db folder
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This also works when using MongoDB in the Linux-Subsystem on Windows, where it's not possible to actually create /data/db at the fs root.
– hiergiltdiestfu
Mar 5 at 8:53
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Test if a variable is set in bash when using “set -o nounset”
...bash --version | head -1
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
$ set -o nounset
If you want a non-interactive script to print an error and exit if a variable is null or not set:
$ [[ "${HOME:?}" ]]
$ [[ "${IAMUNBOUND:?}" ]]
bash: IAMUNBOUND: parameter null or not set
$ IA...
Choose newline character in Notepad++
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"Edit -> EOL Conversion". You can convert to Windows/Linux/Mac EOL there. The current format is displayed in the status bar.
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memcpy() vs memmove()
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The same result, on Linux.
– CodyChan
Sep 22 '17 at 2:05
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How to measure code coverage in Golang?
... I have a CL pending, but the cov binary time stamp I see in ~/go/pkg/tool/linux_amd64 matches my last Go build of yesterday.
– zzzz
May 9 '12 at 13:47
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How should I print types like off_t and size_t?
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Looking at man 3 printf on Linux, OS X, and OpenBSD all show support for %z for size_t and %t for ptrdiff_t (for C99), but none of those mention off_t. Suggestions in the wild usually offer up the %u conversion for off_t, which is "correct enough" as f...