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Is it better in C++ to pass by value or pass by constant reference?
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Lou FrancoLou Franco
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How exactly does a generator comprehension work?
...n:
>>> [x**2 for x in range(1,11)]
[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
here, range(1,11) generates the list [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], but the range function is not a generator before Python 3.0, and therefore the construct I've used is a list comprehension.
If I wanted to crea...
What is the most accurate way to retrieve a user's correct IP address in PHP?
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@rubenrp81 The TCP socket handler is the only canonical source, everything else is attacker-controlled. The code above is an attacker's dream.
– rook
Feb 1 '16 at 11:20
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How to import a Python class that is in a directory above?
... edited Apr 15 at 17:56
anon58192932
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answered Jun 28 '09 at 5:01
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scala vs java, performance and memory? [closed]
...ks Game:
Speed test java/scala 1.71/2.25
Memory test java/scala 66.55/80.81
So, this benchmarks say that java is 24% faster and scala uses 21% more memory.
All-in-all it's no big deal and should not matter in real world apps, where most of the time is consumed by database and network.
Bottom li...
How can I style an Android Switch?
...e track on "on"/"off", use this state.
– narangrajeev81
Oct 8 '13 at 11:11
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How can I style the ...
How can I check if a string represents an int, without using try/except?
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@Aivar: This 5 line function is not a complex mechanism.
– Triptych
Feb 3 '12 at 20:27
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Best way to select random rows PostgreSQL
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postgresql order by random(), select rows in random order:
select your_columns from your_table...
What should be in my .gitignore for an Android Studio project?
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Updated 7/2015:
Here is the definitive source from JetBrains
Directory based project format...
Recursion in Angular directives
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SunnyShahSunnyShah
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