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How to get a Docker container's IP address from the host
...ect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' container_name_or_id
Old Docker client syntax is:
docker inspect --format '{{ .NetworkSettings.IPAddress }}' container_name_or_id
These commands will return the Docker container's IP address.
As mentioned in the comments: if you...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...
The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername, @r...
Stripping everything but alphanumeric chars from a string in Python
...ng.printable (part of the built-in string module). The use of compiled '[\W_]+' and pattern.sub('', str) was found to be fastest.
$ python -m timeit -s \
"import string" \
"''.join(ch for ch in string.printable if ch.isalnum())"
10000 loops, best of 3: 57.6 usec per loop
$ python -m tim...
Difference Between Cohesion and Coupling
...alQuestion implements IStackoverflowQuestion {
protected Integer vote_ = new Integer(0);
protected IUserProfile user_ = null;
protected IUserProfile answered_ = null;
public void VoteUp(IUserProfile user) {
vote_++;
// code to ... add to user profile
...
Calling a function of a module by using its name (a string)
...
Assuming module foo with method bar:
import foo
method_to_call = getattr(foo, 'bar')
result = method_to_call()
You could shorten lines 2 and 3 to:
result = getattr(foo, 'bar')()
if that makes more sense for your use case.
You can use getattr in this fashion on class insta...
how to get GET and POST variables with JQuery?
...For GET parameters, you can grab them from document.location.search:
var $_GET = {};
document.location.search.replace(/\??(?:([^=]+)=([^&]*)&?)/g, function () {
function decode(s) {
return decodeURIComponent(s.split("+").join(" "));
}
$_GET[decode(arguments[1])] = deco...
How to use RestSharp with async/await
...
Ryan Lundy
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answered Feb 14 '14 at 12:41
Erik Schierboom...
How to check for the type of a template parameter?
...000/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 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Why do I have to access template base class members through the this pointer?
...
AliAli
49.2k2323 gold badges151151 silver badges240240 bronze badges
add a...
What is WEB-INF used for in a Java EE web application?
...
Abel
51.6k1919 gold badges132132 silver badges214214 bronze badges
answered Nov 5 '13 at 10:40
Patrick B.Patrick B.
...