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When exactly is it leak safe to use (anonymous) inner classes?
... not, the Activity has an implicit reference to the View it contains.
In order for a View to be created, it must know where to create it and whether it has any children so that it can display. This means that every View has an reference to the Activity (via getContext()). Moreover, every View keep...
PHP array delete by value (not key)
...ould need array_values() as well; the remaining keys are still in the same order though, so technically it's not "unsorted"
– Ja͢ck
Dec 26 '14 at 5:27
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Run Java Code Online [closed]
codepad.org allow you to run C,C++,D etc code online but not Java... is there a site that I can use for Java?
9 Answers
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Why do I need 'b' to encode a string with Base64?
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Short Answer
You need to push a bytes-like object (bytes, bytearray, etc) to the base64.b64encode() method. Here are two ways:
>>> data = base64.b64encode(b'data to be encoded')
>>> print(data)
b'ZGF0YSB0byBiZSBlbmNvZGVk'
Or with a variable:
>>> string = 'data to...
Remove HTML Tags from an NSString on the iPhone
...nd finally removes all the tags in place by iterating over them in reverse order. It's more efficient because:
The regular expression is initialised only once.
A single copy of the original string is used.
This performed well enough for me but a solution using NSScanner might be more efficient.
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Split list into smaller lists (split in half)
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If you don't care about the order...
def split(list):
return list[::2], list[1::2]
list[::2] gets every second element in the list starting from the 0th element.
list[1::2] gets every second element in the list starting from the 1st element.
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What does $$ (dollar dollar or double dollar) mean in PHP?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Conditional Replace Pandas
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How would you do a “not in” query with LINQ?
...;
var query =
from c in dc.Customers
where !(from o in dc.Orders
select o.CustomerID)
.Contains(c.CustomerID)
select c;
foreach (var c in query) Console.WriteLine( c );
from The NOT IN clause in LINQ to SQL by Marco Russo
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Java: Integer equals vs. ==
... cdsCt were both ints so this was fine, but I had to make them Integers in order to check for the null situation which is handled differently ...
– Jeremy Goodell
Sep 3 '10 at 17:40
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