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Does Python have “private” variables in classes?
...use the __ prefix from PEP 8. Python mangles the names of variables like __foo so that they're not easily visible to code outside the class that contains them (although you can get around it if you're determined enough, just like you can get around Java's protections if you work at it).
By the same...
Why is using 'eval' a bad practice?
... An overhead which can be avoided by using better design patterns.
As a footnote, in the hands of deranged sociopaths, it may not work out well. However, when confronted with deranged sociopathic users or administrators, it's best to not give them interpreted Python in the first place. In the h...
Ruby: How to post a file via HTTP as multipart/form-data?
...t form data:
require 'rest_client'
RestClient.post('http://localhost:3000/foo',
:name_of_file_param => File.new('/path/to/file'))
It also supports streaming.
gem install rest-client will get you started.
share
...
How to get the contents of a webpage in a shell variable?
...you can use w3m -dump to have a nice text representation of a web page.
$ foo=$(w3m -dump http://www.example.com/); echo $foo
You have reached this web page by typing "example.com", "example.net","example.org" or "example.edu" into your web browser. These domain names are reserved for use in docume...
PHP: merge two arrays while keeping keys instead of reindexing?
...isting arrays using the + sign you could do an array_replace.
$a = array('foo' => 'bar', 'some' => 'string');
$b = array(42 => 'answer to the life and everything', 1337 => 'leet');
$merged = array_replace($a, $b);
The result will be:
Array
(
[foo] => bar
[some] => string
...
What's the advantage of Logic-less template (such as mustache)?
...
In other words, it prevents you from shooting yourself in the foot. In the old JSP days, it was very common to have JSP files sprinkled with Java code, which made refactoring much harder, since you had your code scattered.
If you prevent logic in templates by design (like mustache does...
What killed my process and why?
... For a more complex pattern, you would change replace e.g. egrep -i -B100 'foo|ba[rz]' with grep -E -i -B100 'foo|ba[rz]'. This Q&A gives more detail.
– Air
May 22 '14 at 15:10
...
Do subclasses inherit private fields?
...lse it depends on your definition of "field". To define an integer field "foo" is to rent an integer-sized storage locker and put a "foo" sign on it. If the field is declared private, the derived class inherits an unlabeled integer-sized storage locker. Whether or not the derived class inherits t...
Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
...example if you are mocking:
var mockValidator = new Mock<IValidator<Foo>>();
mockValidator
.Verify(validator => validator.ValidateAndThrow(foo, null));
You will get the same exception because .ValidateAndThrow() is an extension on the IValidator<T> interface.
public static...
Git status - is there a way to show changes only in a specific directory?
... /usr/local/bin/gitstat
And calling that simple script: gitstat /path/to/foo-project. You can also use it while in foo-project just doing gitstat . and so suppose shorter than git status -s, git diff --stat or git diff --stat HEAD if your are always using console instead of gui's.
Credits:
@Cha...