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Why does @foo.setter in Python not work for me?
...
You seem to be using classic old-style classes in python 2. In order for properties to work correctly you need to use new-style classes instead (in python 2 you must inherit from object). Just declare your class as MyClass(object):
class testDec(object):
@property
def x(self): ...
Error - trustAnchors parameter must be non-empty
...x45\xfb\x43\xdf\xa4\xd9\x92\xdd\x41\xce\xb6\xb2\x1c\x63\x30\xd7\x92' > /etc/ssl/certs/java/cacerts
# 2. Re-add all the CA certs into the previously empty file.
/var/lib/dpkg/info/ca-certificates-java.postinst configure
Status (2018-08-07), the bug has been fixed in Ubuntu Bionic LTS 18.04.1 ...
List vs List
...for example, Map<String, int>. Your consumer method might break.
In order to ensure that List can hold objects of a given type, Java generics introduced ? extends. So in #1, the List can hold any object which is derived from Map<String, String> type. Adding any other type of data would ...
Separation of business logic and data access in django
...ation e-mail is sent to the user
and an entry is added to the system log
(etc. etc.)
Such scenario's are useful to see how different parts of your infrastructure can be affected by a single command – in this case your database (some kind of 'active' flag), your mail server, your system log, etc...
NGinx Default public www location?
...th was "/usr/share/nginx/html". Looking at default configuration file in /etc/nginx/sites-available/default showed the path to be the same as the --prefix path. But the configuration file located at /etc/nginx/conf.d/default.conf listed the root as /usr/share/nginx/html. The default.conf file tak...
Testing two JSON objects for equality ignoring child order in Java
...ON parsing library that supports comparing two JSON objects ignoring child order, specifically for unit testing JSON returning from a web service.
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All falsey values in JavaScript
...l is not an object, this is a longstanding bug/quirk that was not fixed in order to maintain compatibility. It's not a true object, and objects are truthy (except for that "wilful violation" document.all when Javascript is implemented in HTML)
NaN doesn't match anything, with == or ===, not even it...
Java 8 Distinct by property
...ream().filter(distinctByKey(Person::getName))
Note that if the stream is ordered and is run in parallel, this will preserve an arbitrary element from among the duplicates, instead of the first one, as distinct() does.
(This is essentially the same as my answer to this question: Java Lambda Stream...
How can I group by date time column without taking time into consideration
I have a bunch of product orders and I'm trying to group by the date and sum the quantity for that date. How can I group by the month/day/year without taking the time part into consideration?
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Export CSS changes from inspector (webkit, firebug, etc)
... refersh. So you will lose changes if you accidentally refresh / close tab etc.
– tomblah
Jul 23 '14 at 9:37
How does ...