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Aggregate function in an SQL update query?
...st in the doc to get why FROM is considered by PostgreSQL as a self-join : https://www.postgresql.org/docs/9.5/static/sql-update.html#AEN89239
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Parsing JSON with Unix tools
...lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this with tools that are likely already installed on your system, like Python using the json module, and so avoid any extra dependencies, while still havi...
Should I git ignore xcodeproject/project.pbxproj file?
...architecture (many pbxprojs) and more then 8 developers is working on it.
https://github.com/yonaskolb/XcodeGen
Hope it helps.
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How to use Elasticsearch with MongoDB?
...1.1.x for now until the Mongo-River plugin bug gets fixed in v1.2.1.
wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.1.1.deb
sudo dpkg -i elasticsearch-1.1.1.deb
curl -L http://github.com/elasticsearch/elasticsearch-servicewrapper/tarball/master | tar -xz
sudo m...
Is there a python equivalent of Ruby's 'rvm'?
...below)".
pythonbrew has come!
http://github.com/utahta/pythonbrew
pyenv: https://github.com/yyuu/pyenv
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How to find children of nodes using BeautifulSoup
...mall section in the DOCs that shows how to find/find_all direct children.
https://www.crummy.com/software/BeautifulSoup/bs4/doc/#the-recursive-argument
In your case as you want link1 which is first direct child:
# for only first direct child
soup.find("li", { "class" : "test" }).find("a", recursi...
Grep not as a regular expression
...hat rely
on them to run unmodified.
For the complete reference, check:
https://www.gnu.org/savannah-checkouts/gnu/grep/manual/grep.html
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Replace string within file contents
...m a cat and cat's are awesome, i love cats! cat cat cats!
Original Post: https://askubuntu.com/questions/20414/find-and-replace-text-within-a-file-using-commands
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How to install latest version of Node using Brew
...d together this solution after trial and error using...
a github thread: https://github.com/npm/npm/issues/3125
this site: http://developpeers.com/blogs/fix-for-homebrew-permission-denied-issues
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How to get JS variable to retain value after page refresh? [duplicate]
...e (like object literals, arrays, etc.).
References:
Browser Storage - https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Storage
localStorage - https://developer.mozilla.org/en-US/docs/DOM/Storage#localStorage
JSON - https://developer.mozilla.org/en-US/docs/JSON
Browser Storage compatib...