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How do I check if a list is empty?
...ing "magical" things. on the other hand, "duck typing" means working with more general interfaces, rather than explicitly checking for types. so something like if a == [] is forcing a particular type (() == [] is False). here, general consensus seems to be that duck typing wins out (in effect, sa...
When is assembly faster than C?
...embler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases where assembler can actually be used to g...
How do I parse command line arguments in Java?
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erb, haml or slim: which one do you suggest? And why? [closed]
...r is ready to learn something new (like HAML) I'd go for HAML. It is a lot more ruby-friendly, reduces char count by much and a lot more readable than ERB.
For example (taken from official HAML site):
In ERB your view will look like this:
<div id="profile">
<div class="left column">...
Differences between Java 8 Date Time API (java.time) and Joda-Time
...ime also offers additional mutable types like MutableDateTime.
b) Furthermore: Both libraries are inspired by the design study "TimeAndMoney" from Eric Evans or ideas from Martin Fowler about domain driven style so they strive more or less for a fluent programming style (although not always perfec...
Cross-Domain Cookies
...arty-cookies-in-practice and allannienhuis.com/archives/2013/11/03/… for more information.
– robocat
Feb 24 '16 at 4:12
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How many database indexes is too many?
...ntless since it doesn't add anything in terms of looking the data up. The more unique the values in a column, the more it will benefit from an index.
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Difference between VARCHAR and TEXT in MySQL [duplicate]
...space where c is the length of the stored string
can be part of an index
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TEXT has a fixed max size of 2¹⁶-1 = 65535 characters.
VARCHAR has a variable max size M up to M = 2¹⁶-1.
So you cannot choose the size of TEXT but you can for a VARCHAR.
The other difference is, that you...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...s crash due to long-time CPU waiting. So I think newFixedThreadPool can be more secure in this kind of scenario. Also this post clarifies the most outstanding differences between them.
– Hearen
May 10 '18 at 3:46
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What is the difference between dict.items() and dict.iteritems() in Python2?
... @Stew the change is described in PEP 3106 and there is a bit more in what's new in python 3.0
– Tadhg McDonald-Jensen
Apr 22 '16 at 18:57
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