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Why does @foo.setter in Python not work for me?
...t;
File "/devel/class_test.py", line 6, in x
return self._x
AttributeError: 'testDec' object has no attribute '_x'
>>> k.x = 5
called setter
>>> k.x
called getter
5
>>>
Another detail that might cause problems is that both methods need the same name for the proper...
Immutable vs Mutable types
...ing that is immutable. You can not change its content. It will raise a TypeError if you try to change it. Also, if we assign new content, a new object is created instead of the contents being modified.
>>> s = "abc"
>>>id(s)
4702124
>>> s[0]
'a'
>>> s[0] = "o"
T...
Bash empty array expansion with `set -u`
... a value, so the array isn't set.
But while the documentation suggests an error is appropriate here, this is no longer the case since 4.4.
$ bash --version | head -n 1
GNU bash, version 4.4.19(1)-release (x86_64-pc-linux-gnu)
$ set -u
$ arr=()
$ echo "foo: '${arr[@]}'"
foo: ''
There is a co...
Is it safe to parse a /proc/ file?
.../proc/mounts was a consistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is less than two years old. So even this tiny, trivial file was subject to a race condition until then, and still is in most enterpris...
system(“pause”); - Why is it wrong?
...upon because it's a platform-specific hack that has nothing to do with actually learning programming, but instead to get around a feature of the IDE/OS - the console window launched from Visual Studio closes when the program has finished execution, and so the new user doesn't get to see the output o...
Correct use of Multimapping in Dapper
...im the results of the string split. It will just throw the generic spliton error. Drove me crazy one day.
– jes
Aug 29 '13 at 16:12
2
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Can I get JSON to load into an OrderedDict?
...
I am perplexed. The docs say the object_pairs_hook gets called for each literal that gets decoded into pairs. Why doesn't this create a new OrderedDict for each record in the JSON?
– Tim Keating
Apr 25 '14 at 19:33
...
Passing current scope to an AngularJS Service
...example, if the service is supposed to push and pop elements from an array errors, my code will be:
var errors = [];
$scope.errors = errors;
$scope.myService = new MyService(errors);
The service interacts then with the controller by operating on errors.
Of course I've got to be cautious about nev...
Simplest code for array intersection in javascript
...
There's numerous errors in intersect_safe: length is a property in Arrays, not a method. There's an undelared variable i in result.push(a[i]);. Finally, this simply doesn't work in the general case: two objects where neither is greater than t...
How to make a website secured with https
...ll notice when you try to access http://secure.mydomain.com it displays an error message.
Do I need to apply with someone to get some license or something.
You would not need to obtain a license, but rather a certificate. You can look into companies that offer professional services with securi...