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Optimal settings for exporting SVGs for the web from Illustrator?
...upport SVG Tiny and not the full spec, so go for SVG 1.1.
Note: SVG Tiny does not reduce the file size, it's just a subset of SVG that is adequate for low processing power devices. It will discard gradients, opacity, embedded fonts and filters. Erik Dahlström says: All SVG 1.1 full viewers should...
How to manually expand a special variable (ex: ~ tilde) in bash
...answers than my admittedly rudimentary and pretty bad answer (I was young, don't kill me).
The other solutions in this thread are safer and better solutions. Preferably, I'd go with either of these two:
Charle's Duffy's solution
Håkon Hægland's solution
Original answer for historic purposes...
What does Connect.js methodOverride do?
The Connect.js very terse documentation says methodOverride
1 Answer
1
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Pair/tuple data type in Go
While doing the final exercise of the Tour of Go , I decided I needed a queue of ( string , int ) pairs. That's easy enough:
...
How to write DataFrame to postgres table?
...e flavors. You can pass a sqlalchemy engine for a postgresql database (see docs). E.g.:
from sqlalchemy import create_engine
engine = create_engine('postgresql://scott:tiger@localhost:5432/mydatabase')
df.to_sql('table_name', engine)
You are correct that in pandas up to version 0.13.1 postgresq...
How do I check if an index exists on a table field in MySQL?
...
Use SHOW INDEX like so:
SHOW INDEX FROM [tablename]
Docs: https://dev.mysql.com/doc/refman/5.0/en/show-index.html
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Advantage of switch over if-else statement
...eed to be considered but are not critical. I've abstracted the snippet so don't hate me for the naming conventions.
22 Ans...
browser sessionStorage. share between tabs?
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var sessionStorage_transfer = function(event) {
if(!event) { event = window.event; } // ie suq
if(!event.newValue) return; // do nothing if no value to work with
if (event.key == 'getSessionStorage') {
// another tab asked for the sessionStorage -> send it
localStorage.set...
Check if a string matches a regex in Bash script
... can define a regex in Bash matching the format you want. This way you can do:
[[ $date =~ ^regex$ ]] && echo "matched" || echo "did not match"
where commands after && are executed if the test is successful, and commands after || are executed if the test is unsuccessful.
Note this i...
Run a callback only if an attribute has changed in Rails
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Rails 5.1+
class Page < ActiveRecord::Base
before_save :do_something, if: :will_save_change_to_status_id?
private
def do_something
# ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faa...