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Can an interface extend multiple interfaces in Java?
...in of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different.
– Daniel
Jan 6 '15 at 17:38
...
Is there a Python equivalent to Ruby's string interpolation?
... I understand the basic gist of it, I don't fully understand all the additional symbols and text found in the example in the documentation however. Why the use of convert to string here: %(language)s What does the 3 in '03d' signify? Why after the string is there % \? The assignmen...
What does a b prefix before a python string mean?
...
This is Python3 bytes literal. This prefix is absent in Python 2.5 and older (it is equivalent to a plain string of 2.x, while plain string of 3.x is equivalent to a literal with u prefix in 2.x). In Python 2.6+ it is equivalent to a plain string, for compatibility ...
How to declare a variable in a PostgreSQL query
...WITH () query which can work as a variable, or even tuple of variables. It allows you to return a table of temporary values.
WITH master_user AS (
SELECT
login,
registration_date
FROM users
WHERE ...
)
SELECT *
FROM users
WHERE master_login = (SELECT login
...
Difference between Lookup() and Dictionary(Of list())
...esent in a lookup, you get an empty sequence back instead of a KeyNotFoundException. (Hence there's no TryGetValue, AFAICR.)
They're likely to be equivalent in efficiency - the lookup may well use a Dictionary<TKey, GroupingImplementation<TValue>> behind the scenes, for example. Choose...
Eclipse IDE for Java - Full Dark Theme
...
Didn't really work for me, the background is off black and the majority of code is black so pretty unreadable :(
– serenskye
Mar 24 '14 at 9:45
...
How to check SQL Server version
...ndows NT 6.1 <X64> (Build 7600: )
As you can see, this entry gives all the necessary information about the product, such as version, product level, 64-bit versus 32-bit, the edition of SQL Server, and the OS version on which SQL Server is running.
Method 4: Connect to the instance of SQL Se...
How do you extract a column from a multi-dimensional array?
Does anybody know how to extract a column from a multi-dimensional array in Python?
20 Answers
...
Mongo interface [closed]
...eat features, easy setup.
http://rockmongo.com/
If you don't want to install anything ... you can use MongoHQ's web interface (even if you your MongoDB isn't on MongoHQ.)
https://mongohq.com/home
Mac OS X
While MongoHub had been a decent option for a while it's bugs make it virtually unusable a...
What does Connect.js methodOverride do?
...en you can use app.delete and app.put in Express instead of using app.post all the time (thus more descriptive, verbose):
Backend:
// the app
app.put('/users/:id', function (req, res, next) {
// edit your user here
});
Client logic:
// client side must be..
<form> ...
<input type=...