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Why does auto a=1; compile in C?
...variable declared inside a function, it's also the same as int a in this example.
This keyword is actually a leftover from C's predecessor B, where there were no base types: everything was int, pointer to int, array of int.(*) Declarations would be either auto or extrn [sic]. C inherited the "every...
Can I invoke an instance method on a Ruby module without including it?
...
If a method on a module is turned into a module function you can simply call it off of Mods as if it had been declared as
module Mods
def self.foo
puts "Mods.foo(self)"
end
end
The module_function approach below will avoid breaking any classes which include all of Mods.
module Mods
...
“Unknown provider: aProvider
...that caused this issue, but I have since been able to find the problem manually.
There was a controller function declared on the global scope, instead of using a .controller() call on the application module.
So there was something like this:
function SomeController( $scope, i18n ) { /* ... */ }
...
Django : How can I see a list of urlpatterns?
...
If you want a list of all the urls in your project, first you need to install django-extensions, add it to your settings like this:
INSTALLED_APPS = (
...
'django_extensions',
...
)
And then, run this command in your terminal
./manage.py show_...
Explanation of JSHint's Bad line breaking before '+' error
.... It's easier for me to read the logic in multi-line boolean statements (&& or || at beginning of a line instead of at the end), and I can quickly tell comma delimited lists apart from other multi line statements by beginning them with a comma. Thank god for laxbreak
–...
how to listen to N channels? (dynamic select statement)
...osen]
msg := value.String()
You can experiment with a more fleshed out example here: http://play.golang.org/p/8zwvSk4kjx
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How do I get a human-readable file size in bytes abbreviation using .NET?
...len = new FileInfo(filename).Length;
int order = 0;
while (len >= 1024 && order < sizes.Length - 1) {
order++;
len = len/1024;
}
// Adjust the format string to your preferences. For example "{0:0.#}{1}" would
// show a single decimal place, and no space.
string result = String...
Mongoose subdocuments vs nested schema
...still have the same subdocument structure.
– Martin Hallén
Jul 9 '14 at 9:17
2
you should also c...
How to extract a floating number from a string [duplicate]
...ecimal notation something like
>>> import re
>>> re.findall("\d+\.\d+", "Current Level: 13.4 db.")
['13.4']
may suffice.
A more robust version would be:
>>> re.findall(r"[-+]?\d*\.\d+|\d+", "Current Level: -13.2 db or 14.2 or 3")
['-13.2', '14.2', '3']
If you want t...
if a ngSrc path resolves to a 404, is there a way to fallback to a default?
...d this (Plunker):
attrs.$observe('ngSrc', function(value) {
if (!value && attrs.errSrc) {
attrs.$set('src', attrs.errSrc);
}
});
The problem is that ngSrc doesn't update the src attribute if the value is blank.
...