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How to make a class JSON serializable
...you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization.
For a trivial example, see below.
>>> from json import JSONEncoder
>>> class MyEncoder(JSONEncoder):
def default(self, o):
return o.__dict_...
When should I use cross apply over inner join?
...NER JOIN condition.
You could probably do something like that using CTE's and window function:
WITH t2o AS
(
SELECT t2.*, ROW_NUMBER() OVER (PARTITION BY t1_id ORDER BY rank) AS rn
FROM t2
)
SELECT t1.*, t2o.*
FROM t1
INNER JOIN
t2o
ON t2o.t1...
How do I get the logfile from an Android device?
... edited Oct 27 '15 at 10:46
Andrzej Budzanowski
96599 silver badges1717 bronze badges
answered May 22 '10 at 13:18
...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...ll have a slight, almost imperceptible performance loss. I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and ...
Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
I ran the following code in both iOS 7 and iOS 8:
18 Answers
18
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Xcode is not currently available from the Software Update server
...
You can download the command line tools for OS X Mavericks manually from here:
https://developer.apple.com/downloads/index.action?name=for%20Xcode
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Mocking python function based on input arguments
... it is pretty simple, but improves readability the fact that function name and param name are different :)
– Juan Antonio Gomez Moriano
Apr 23 '13 at 6:21
9
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How do I concatenate multiple C++ strings on one line?
...ilverMöls The OP declares s on a different line in the equivalent C# code and in his non-compiling C++ code. His desired C++ is s += "Hello world, " + "nice to see you, " + "or not."; which can be written s.append("Hello world, ").append("nice to see you, ").append("or not.");
...
How to limit the amount of concurrent async I/O operations?
...can create delegate-bound tasks on the TPL that have not yet been started, and allow for a custom task scheduler to limit the concurrency. In fact, there's an MSDN sample for it here:
See also TaskScheduler .
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Refresh a page using JavaScript or HTML [duplicate]
...cation)
window.location.replace(location)
self.location.assign(location)
and the last 10:
self['location']['replace'](self.location['href'])
location.reload()
location['reload']()
window.location.reload()
window['location'].reload()
window.location['reload']()
window['location']['reload']()
self....