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Converting a Java collection into a Scala collection
... a more explicit way (using JavaConverters), which seems to be recommended now.
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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...ethods. Lots of libraries do this.
However, let's look at how for in works now:
var listeners = ["a", "b", "c"];
for (o in listeners) {
console.log(o);
}
//prints:
// 0
// 1
// 2
// filter_0
Do you see? It suddenly thinks filter_0 is another array index. Of course, it is not really a nume...
Excel: last character/string match in a string
...ink how to apply without lengthy recursive algorithm. And this solution now seems obsolete.
12 Answers
...
How does Facebook disable the browser's integrated Developer Tools?
...roup and are annoyed by this, sorry.
I tried to make the old opt-out page (now help page) as simple as possible while still being scary enough to stop at least some of the victims.
The actual code is pretty similar to @joeldixon66's link; ours is a little more complicated for no good reason.
Chro...
Multiline strings in VB.NET
...duced in Visual Basic 14 (in Visual Studio 2015). The above example can be now written as:
Dim s As String = "Hello
World & Space"
MSDN article isn't updated yet (as of 2015-08-01), so check some answers below for details.
Details are added to the Roslyn New-Language-Features-in-VB-14 Github ...
Received fatal alert: handshake_failure through SSLHandshakeException
...t what activity in the handshake has failed.
Update
Based on the details now available, it appears that the problem is due to an incomplete certificate trust path between the certificate issued to the server, and a root CA. In most cases, this is because the root CA's certificate is absent in the ...
Using Django time/date widgets in custom form
...his but having finally got date/time widget appear and populating field am now going to take it out because despite having required=False in the form field it now shows the message "Enter a valid date/time." for my not required field if I leave it blank. Back to jquery for me.
...
What does 'super' do in Python?
... to super and the correct method arguments right can be difficult. If you know you're using super correctly with single inheritance, that makes debugging less difficult going forward.
Dependency Injection
Other people can use your code and inject parents into the method resolution:
class SomeBase...
Update multiple rows in same query using PostgreSQL
...ate table results_dummy (id int, status text, created_at timestamp default now(), updated_at timestamp default now());
-- populate table with dummy rows
insert into results_dummy
(id, status)
select unnest(array[1,2,3,4,5]::int[]) as id, unnest(array['a','b','c','d','e']::text[]) as status;
select ...
How to “perfectly” override a dict?
...tween Python 2 and 3, create a singleton (_RaiseKeyError) to make sure we know if we actually get an argument to dict.pop, and create a function to ensure our string keys are lowercase:
from itertools import chain
try: # Python 2
str_base = basestring
items = 'iteritems'
except...