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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...
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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Naming cookies - best practices [closed]
...ing on how your variables_order setting is set in php.ini. In other words, if you have a _COOKIE named "x" and a querystring param named "x", and you ask for $_REQUEST["x"], you get the cookie value when you might want/expect the GET param. This is especially problematic if your cookies are scoped t...
How do I convert a Vector of bytes (u8) to a string
...s not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
...
Batch file include external file for variables
...ead
set input=1
set input2=2
set /p input=INPUT:
set /p input2=INPUT2:
Now, we need to write the variables to a file.
(echo %input%)> settings.cdb
(echo %input2%)>> settings.cdb
pause
I use .cdb as a short form for "Command Database". You can use any extension.
The next section is to...
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
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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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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...
Does Java have something like C#'s ref and out keywords?
...
That is not 100% true, If you pass in an array or a class the reference to the array or object is passed in by value, You can change internals to the array or object and it will be reflected in the caller.
– Romain Hippeau
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