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How to apply shell command to each line of a command output?
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xargs can run only executable files not shell functions or shell built-in commands. For the former the best solution is probably the one with read in a loop.
– pabouk
Aug 27 '13 at 12:31
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Singleton pattern in nodejs - is it needed?
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exactly the same object returned, if it would resolve to the same
file.
Multiple calls to require('foo') may not cause the module code to be
executed multiple times. This is an important feature. With it,
"partially done" objects can be returned, thus allowing transitive
dependen...
Redefine tab as 4 spaces
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It depends on what you mean. Do you want actual tab characters in your file to appear 4 spaces wide, or by "tab" do you actually mean an indent, generated by pressing the tab key, which would result in the file literally containing (up to) 4 space characters for each "tab" you type?
Depending o...
Rails Root directory path?
...an access rails app path using variable RAILS_ROOT.
For example:
render :file => "#{RAILS_ROOT}/public/layouts/mylayout.html.erb"
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Python import csv to list
I have a CSV file with about 2000 records.
13 Answers
13
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The transaction log for the database is full
...t, for special projects that temporarily require lots of space for the log file, I created a second log file and made it huge. Once the project is complete we then removed the extra log file.
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Match two strings in one line with grep
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You can use
grep 'string1' filename | grep 'string2'
Or
grep 'string1.*string2\|string2.*string1' filename
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How do I get logs/details of ansible-playbook module executions?
...support for logging. Add the following lines to your ansible configuration file:
[defaults]
log_path=/path/to/logfile
Ansible will look in several places for the config file:
ansible.cfg in the current directory where you ran ansible-playbook
~/.ansible.cfg
/etc/ansible/ansible.cfg
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Import CSV file into SQL Server
I am looking for help to import a .csv file into SQL Server using BULK INSERT and I have few basic questions.
12 Answer...
Can I safely delete contents of Xcode Derived data folder?
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Yes, you can delete all files from DerivedData sub-folder (Not DerivedData Folder) directly.
That will not affect your project work. Contents of DerivedData folder is generated during the build time and you can delete them if you want. It's not an...