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json_encode is returning NULL?
...ranca on the web. Instead of cluttering the API with additional parameters and overhead, PHP (rigthly) uses the most common encoding, leaving to you the conversion burden if you use an uncommon (or an almost dead, as in your case) encoding.
– ntd
Nov 1 '13 at 1...
Strings are objects in Java, so why don't we use 'new' to create them?
... b = new String("abcd");
then it's possible to have
a == b; // False
(and in case anyone needs reminding, always use .equals() to compare Strings; == tests for physical equality).
Interning String literals is good because they are often used more than once. For example, consider the (contrive...
How to mock void methods with Mockito
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@DeanHiller notice that setRate() is final, and therefore cannot be mocked. Instead try create()-ing an instance that does what you need. There should be no need to mock RateLimiter.
– dimo414
Jan 19 '16 at 23:31
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What's the correct way to convert bytes to a hex string in Python 3?
...ly no longer awkward:
>>> b'\xde\xad\xbe\xef'.hex()
'deadbeef'
and reverse:
>>> bytes.fromhex('deadbeef')
b'\xde\xad\xbe\xef'
works also with the mutable bytearray type.
Reference: https://docs.python.org/3/library/stdtypes.html#bytes.hex
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Swift - class method which must be overridden by subclass
Is there a standard way to make a "pure virtual function" in Swift, ie. one that must be overridden by every subclass, and which, if it is not, causes a compile time error?
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PostgreSQL create table if not exists
...alog.pg_tables
WHERE schemaname = 'myschema'
AND tablename = 'mytable') THEN
RAISE NOTICE 'Table myschema.mytable already exists.';
ELSE
CREATE TABLE myschema.mytable (i integer);
END IF;
END
$func$;
Call:
SELECT create_mytable(); -- call a...
RecyclerView onClick
...wer better than the one you linked. Who wants to write a gesture listener and hit box detection to handle this. Google--
– Lo-Tan
Mar 23 '15 at 8:16
17
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jQuery get mouse position within an element
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One way is to use the jQuery offset method to translate the event.pageX and event.pageY coordinates from the event into a mouse position relative to the parent. Here's an example for future reference:
$("#something").click(function(e){
var parentOffset = $(this).parent().offset();
//or $(...
Two-dimensional array in Swift
I get so confused about 2D arrays in Swift. Let me describe step by step. And would you please correct me if I am wrong.
8 ...
Recommended method for escaping HTML in Java
Is there a recommended way to escape < , > , " and & characters when outputting HTML in plain Java code? (Other than manually doing the following, that is).
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