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JavaScript curry: what are the practical applications?
...ou cannot do that in pure functional programming. You take one param at a time and build up your function. In JavaScript it's simply unnecessary, despite contrived examples like "converter". Here's that same converter code, without the need for currying:
var converter = function(ratio, symbol, i...
django change default runserver port
... This is useful but not greate when juggling multiple projects at a time - I would have accepted the answer below which specifies the port to be used for each distinct project. Just my opinion tho.
– user7179686
Jun 20 '17 at 12:23
...
Difference between map and collect in Ruby?
...enchmark.bm do |b|
GC.start
b.report("hash keys collect") do
many.times do
h.keys.collect(&:to_s)
end
end
GC.start
b.report("hash keys map") do
many.times do
h.keys.map(&:to_s)
end
end
GC.start
b.report("array collect") do
many.times do
...
Passing arrays as url parameter
... anyone running into issues with http_build_query returning param[] and somtimes param[index]. Check out this post: stackoverflow.com/questions/11996573/…
– stwhite
Jul 23 '17 at 17:33
...
Open Sublime Text from Terminal in macOS
...c.) OR that Sublime Text isn't installed!
Check ".bash_profile":
Now it's time to create your symbolic link in your PATH folder, BUT, before we do, let's check your profile file by using nano ~/.bash_profile. These are the following lines that pertain to having subl work on the command line for Sub...
How Drupal works? [closed]
...pleted bootstrapping, all components of the framework are available.
It is time to take the browser’s request and hand it off to the PHP function that will
handle it. The mapping between URLs and functions that handle them is accomplished using
a callback registry that takes care of both URL mappi...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...a-object code is required for the
signals and slots mechanism, the
run-time type information, and the
dynamic property system.
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Dump a mysql database to a plaintext (CSV) backup from the command line
...
If you can cope with table-at-a-time, and your data is not binary, use the -B option to the mysql command. With this option it'll generate TSV (tab separated) files which can import into Excel, etc, quite easily:
% echo 'SELECT * FROM table' | mysql -B -u...
How do I create a MongoDB dump of my database?
...use the following bash
command:
3 1 * * * find /path_of_your_backup/ -mtime +7 -exec rm -rf {} \;
delete all the backups older than 7 days
Good Luck.
ref:
https://www.digitalocean.com/community/tutorials/how-to-back-up-restore-and-migrate-a-mongodb-database-on-ubuntu-14-04
...
How do you rename a Git tag?
...gh the logs for a project and realized that I fat fingered a tag name some time ago. Is there some way to rename the tag? Google hasn't turned up anything useful.
...