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Why is \r a newline for Vim?
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From http://vim.wikia.com/wiki/Search_and_replace :
When Searching
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\n is newline, \r is CR (carriage return = Ctrl-M = ^M)
When Replacing
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\r is newline, \n is a null byte (0x00).
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What are the options for storing hierarchical data in a relational database? [closed]
...st.
+-------------+----------------------+--------+-----+-----+
| category_id | name | parent | lft | rgt |
+-------------+----------------------+--------+-----+-----+
| 1 | ELECTRONICS | NULL | 1 | 20 |
| 2 | TELEVISIONS | 1 | 2 | ...
Cannot install packages using node package manager in Ubuntu
...e node
sudo apt-get remove nodejs
curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
sudo apt-get install -y nodejs
sudo ln -s /usr/bin/nodejs /usr/bin/node
alias node=nodejs
rm -r /usr/local/lib/python2.7/dist-packages/localstack/node_modules
npm install -g npm@latest || sudo npm instal...
How to convert R Markdown to PDF?
...ying an output format to the rend function. E.g.,
render("input.Rmd", "pdf_document")
Command-line:
When I run render from the command-line (e.g., using a makefile), I sometimes have issues with pandoc not being found. Presumably, it is not on the search path.
The following answer explains how to...
How to install a gem or update RubyGems if it fails with a permissions error
... which gem >/dev/null; then PATH="$(ruby -rubygems -e 'puts Gem.user_dir')/bin:$PATH" fi <br>Source:guides.rubygems.org/faqs/#user-install
– Inder Kumar Rathore
Aug 22 '17 at 10:42
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
.../ajax.html#!key=value, Google will check the URL www.example.com/ajax.html?_escaped_fragment_=key=value to fetch a non-AJAX version of the contents.
share
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Comparing Dates in Oracle SQL
...u should transform your string into a date. Either by using the built-in TO_DATE() function, or a date literal.
TO_DATE()
select employee_id
from employee
where employee_date_hired > to_date('31-DEC-95','DD-MON-YY')
This method has a few unnecessary pitfalls
As a_horse_with_no_name noted...
How do I change selected value of select2 dropdown with JqGrid?
... be called redundantly upon triggered change().
– van_folmert
Feb 22 '16 at 10:37
If this doesn't work correctly add a...
Multiple inheritance for an anonymous class
...ited Jun 5 '14 at 14:45
aspiring_sarge
1,84711 gold badge2222 silver badges3232 bronze badges
answered May 1 '11 at 13:04
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How do you remove a Cookie in a Java Servlet
... seems to work consistently across all browsers.
– ug_
Oct 27 '13 at 9:29
5
I'm not sure you shou...