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Multiple variables in a 'with' statement?
...xError: invalid syntax
When will this be fixed?
This issue is tracked in https://bugs.python.org/issue12782.
Recently, Python announced in PEP 617 that they'll be replacing the current parser with a new one. Because Python's current parser is LL(1), it cannot distinguish between "multiple context ...
How do I tar a directory of files and folders without including the directory itself?
...t of sed, and we can use separators other than / (, in the above example).
https://www.gnu.org/software/tar/manual/html_section/tar_52.html
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foll...
Sell me on const correctness
...
This is the definitive article on "const correctness": https://isocpp.org/wiki/faq/const-correctness.
In a nutshell, using const is good practice because...
It protects you from accidentally changing variables that aren't intended be changed,
It protects you from making accid...
Xcode “Build and Archive” from command line
...ojectName>.ipa
For those who don't know about exportOptions.plist,
https://blog.bitrise.io/new-export-options-plist-in-xcode-9
Those who were using this for building project in CI/CD tools like teamcity/jenkins, please make sure you are using the right xcode installed in the build ag...
Why should I use document based database instead of relational database?
...ment.
For more in-depth NoSQL database models comarison check this source: https://arxiv.org/ftp/arxiv/papers/1509/1509.08035.pdf
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Handling JSON Post Request in Go
...marshaller were not populating my Go struct. Then I found the solution at https://eager.io/blog/go-and-json:
"As with all structs in Go, it’s important to remember that only
fields with a capital first letter are visible to external programs
like the JSON Marshaller."
After that, my Mar...
How do I use the lines of a file as arguments of a command?
...ut_file)
do
some_command "$line"
done
References:
For loop syntax: https://www.cyberciti.biz/faq/bash-for-loop/
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Exclude all transitive dependencies of a single dependency
...t a time, but there is a feature request for this on the Maven JIRA site:
https://issues.apache.org/jira/browse/MNG-2315
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CSS styling in Django forms
...
You could use this library: https://pypi.python.org/pypi/django-widget-tweaks
It allows
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...g main" >> /etc/apt/sources.list
root@www0:~# wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
root@www0:~# apt-get update
root@www0:~# apt-get install postgresql-9.4
root@www0:~# su - postgres
postgres@www0:~$ createuser --...