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What is Ruby's double-colon `::`?
... CONSTANT = 4
end
end
end
You could access CONSTANT from outside the module as SomeModule::InnerModule::MyClass::CONSTANT.
It doesn't affect instance methods defined on a class, since you access those with a different syntax (the dot .).
Relevant note: If you want to go back...
How to print to stderr in Python?
...
I found this to be the only one short + flexible + portable + readable:
from __future__ import print_function
import sys
def eprint(*args, **kwargs):
print(*args, file=sys.stderr, **kwargs)
The function eprint can be used in the same way as the standard print function:
>>> print(...
“Parse Error : There is a problem parsing the package” while installing Android application
... Hi, I am facing a similar problem. I am downloading the application from a web link. It sits on the mobile SDCard perfectly. But when I am trying to install it is showing this error. I didn't sign my application, basically I am a newbie to Android app development. Help of any sort is apprecia...
Delete the first three rows of a dataframe in pandas
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So if you want to delete from row 3 to row 9, for example, how would you do it? df=df.iloc[3:9]?
– M.K
Jun 26 '19 at 14:25
1
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Modulo operator with negative values [duplicate]
...
From ISO14882:2011(e) 5.6-4:
The binary / operator yields the quotient, and the binary % operator
yields the remainder from the division of the first expression by the
second. If the second operand of / or % is zero t...
What do the plus and minus signs mean in Objective-C next to a method?
... of instance members. Instance methods of the class can also not be called from within a class method unless they are being called on an instance of that class.
(-) Instance methods:-
On the other hand require an instance of the class to exist before they can be called, so an instance of a class n...
How to get browser width using JavaScript code?
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From W3schools and its cross browser back to the dark ages of IE!
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var w = window.innerWidth
|| document.documentElement.clientWid...
Find the nth occurrence of substring in a string
... } else {
PyErr_SetString(PyExc_TypeError, "Cannot obtain char * from argument 0");
return 1;
}
P->c = x[0];
return 0;
}
static PyObject* py_find_nth(PyObject *self, PyObject *args) {
params P;
if (!parse_args(args, &P)) {
return Py_BuildValue("i...
Load and execute external js file in node.js with access to local variables?
...ken, like this:
// circle.js
var PI = 3.14; // PI will not be accessible from outside this module
exports.area = function (r) {
return PI * r * r;
};
exports.circumference = function (r) {
return 2 * PI * r;
};
And the client code that will use our module:
// client.js
var circle = requi...
Editing screenshots in iTunes Connect after iOS app was approved
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Acutally new version of Developer Guide has an update from Sept 2010: Screenshots are now an unlocked metadata attribute and can be updated at any time
– Fraggle
Jan 20 '11 at 14:49
...