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How to check if a table contains an element in Lua?
...act it may even be faster to iterate than to have another map lookup.
The wording of the question however strongly suggests that you have a large number of items to deal with.
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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
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Performance
Performance is a vague word if you don't define what you mean by performance, if it's plain computation performance Xamarin can be faster than Java depending on the nature of the computation.
Android nativly comes with multipe forms to execute cod...
Is short-circuiting logical operators mandated? And evaluation order?
... compares
unequal to 0, the second operand is
not evaluated.
Similar wording can be found in the C++ standards, check section 5.14 in this draft copy. As checkers notes in another answer, if you override && or ||, then both operands must be evaluated as it becomes a regular function ca...
What is an idiomatic way of representing enums in Go?
...ccessive untyped integer constants. It is reset to 0 whenever the reserved word const appears in the source and increments after each ConstSpec. It can be used to construct a set of related constants:
const ( // iota is reset to 0
c0 = iota // c0 == 0
c1 = iota // c1 == 1
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Ways to save enums in database
...ise". You run the query again and it takes 13.29 ms, or 11.36 ms. In other words, the randomness of the thread scheduler will drastically swamp any micro optimization you theoretically have that is in no way visible to anyone in any way ever.
– Ian Boyd
Oct 22 ...
How can I preview a merge in git?
...ssume the best option would be the first one, despite the clear use of the word "safer") but, other than that, excellent job.
– paxdiablo
Jun 22 '16 at 1:56
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Import module from subfolder
...lassesFolder (or like this without any spaces or special symbols among the words)
What mistake I did:
consider the file structure.
Parent
. __init__.py
. Setup
.. __init__.py
.. Generic-Class-Folder
... __init__.py
... targetClass.py
. Check
.. __init__.py...
What is so bad about singletons? [closed]
...tten a Blog Post to comment on this, please see the link below. jorudolph.wordpress.com/2009/11/22/singleton-considerations
– Johannes Rudolph
Nov 22 '09 at 14:35
61
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Building a minimal plugin architecture in Python
... Thanks a lot! I wrote a little tutorial based on your post: lkubuntu.wordpress.com/2012/10/02/writing-a-python-plugin-api
– MiJyn
Oct 3 '12 at 18:06
9
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Do c++11 lambdas capture variables they don't use?
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Yep. Note that used is a technical word, though, and really means the One Definition Rule used. So, for example, consider void f() { const int size(10); [] { int x[size]; }; }. Here, size is not captured but that's okay because it isn't used in the ODR sense...