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How to get the IP address of the docker host from inside a docker container
... wanted to connect to a remote xdebug server:
telnet 192.168.46.49 9000
Now when traffic comes into your Mac addressed for 192.168.46.49 (and all the traffic leaving your container does go through your Mac) your Mac will assume that IP is itself. When you are finish using this IP, you can remove ...
How do I force Postgres to use a particular index?
...om_page_cost = 1;
EXPLAIN <query>; # May use index scan now
You can restore the default value with SET random_page_cost = DEFAULT; again.
Background
Index scans require non-sequential disk page fetches. Postgres uses random_page_cost to estimate the cost of such non-sequential...
Best practice using NSLocalizedString
...he existing string files as closely as possible to avoid having too big a diff when updating them.
Naming your strings
If you use NSLocalizedString as advertised:
NSLocalizedString(@"Cancel or continue?", @"Cancel notice message when a download takes too long to proceed");
You may end up defini...
Using HTML5/JavaScript to generate and save a file
...
If you know the source url that you want to download this is the best solution!
– sidonaldson
Aug 16 '13 at 14:58
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How do I use Django templates without the rest of Django?
...asy to find. (I had to dig around -- it didn't come up when I tried a few different Google searches.)
The following code works:
>>> from django.template import Template, Context
>>> from django.conf import settings
>>> settings.configure()
>>> t = Template('My n...
How do I scale a stubborn SVG embedded with the tag?
...tributes of the SVG tag and it seemed to work.
Save the SVG and it should now scale as expected.
I found this information here:
https://blueprints.launchpad.net/inkscape/+spec/allow-browser-resizing
share
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how to make a whole row in a table clickable as a link?
...
Now try to apply dataTables plugin to this one! :)
– Afonso Gomes
Nov 5 '14 at 15:22
7
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
.../libmysqlclient.18.dylib: Operation not permitted" - Everything is working now and I can finally start my work for the day...Thanks!
– Colin Adams
Jul 25 '16 at 16:36
...
How to validate an email address in PHP
...xists. The only way to find that out is by sending a confirmation mail.
Now that you have your easy answer feel free to read on about email address validation if you care to learn or otherwise just use the fast answer and move on. No hard feelings.
Trying to validate an email address using a re...
How to unset a JavaScript variable?
...123 };
var foo = new Foo();
// foo.bar is 123
foo.bar = 456;
// foo.bar is now 456
delete foo.bar;
// foo.bar is 123 again.
So be careful.
EDIT: My answer is somewhat inaccurate (see "Misconceptions" at the end). The link explains all the gory details, but the summary is that there can be big dif...