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PostgreSQL: Difference between text and varchar (character varying)
...l varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and c...
const vs constexpr on variables
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Make a URL-encoded POST request using `http.NewRequest(…)`
... want to make a POST request to an API sending my data as a application/x-www-form-urlencoded content type. Due to the fact that I need to manage the request headers, I'm using the http.NewRequest(method, urlStr string, body io.Reader) method to create a request. For this POST request I append m...
Cannot install packages using node package manager in Ubuntu
...needed to soft link the nvm node to usr/bin/node. So ran sudo ln -s /home/www/.nvm/v0.10.36/bin/node /usr/bin/node
– Jason Kim
Mar 9 '15 at 6:20
2
...
In-place edits with sed on OS X
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In Django, how does one filter a QuerySet with dynamic field lookups?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to install gem from GitHub source?
...directory instead. Passenger will run ruby as your web-server's user (e.g. www-data) which has no access to this directory and therefore this "git-gem" won't be loaded. You will get an error ... is not yet checked out. Run bundle install first.
– fishbone
Feb 1...
What is a Context Free Grammar?
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What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
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What is the difference between and ?
...contents would be listed explicitly in the document’s outline.
(https://www.w3.org/TR/html/sections.html#the-section-element)
<div>
The <div> element has no special meaning at all. It represents its children. It can be used with the class, lang, and title attributes to mark up semant...