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Does use of final keyword in Java improve the performance?
...ding the clearest code out of shape - that way you can decide whether any extra performance achieved is worth the poorer readability/design. (In my experience it's almost never worth it; YMMV.)
EDIT: As final fields have been mentioned, it's worth bringing up that they are often a good idea anyway,...
How to do case insensitive string comparison?
... @jpmc26: Yes; msdn.microsoft.com/en-us/library/bb386042.aspx and en.wikipedia.org/wiki/Capital_%E1%BA%9E
– SLaks
May 27 '14 at 23:44
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Is there a way to reduce the size of the git folder?
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git clean -d -f -x deletes files listed in .gitignore and such. E.g. workspaces that don't belong in git, Pods folder, etc.
– Kalle
Jun 14 '13 at 20:02
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What is the best way to prevent session hijacking?
... there's no reason not to have SSL across your entire site. No more plaintext HTTP!
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What is the difference between require() and library()?
...to find out if the package needs to be installed (or perhaps doesn't even exist because it it spelled wrong). Getting error feedback early and at the relevant time will avoid possible headaches with tracking down why later code fails when it attempts to use library routines
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How to len(generator()) [duplicate]
...after all.
Generators are functions with a internal state (and fancy syntax). You can repeatedly call them to get a sequence of values, so you can use them in loop. But they don't contain any elements, so asking for the length of a generator is like asking for the length of a function.
if func...
Abort makefile if variable not set
How could I abort a make/makefile execution based on a makefile's variable not being set/valued?
5 Answers
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Can I invoke an instance method on a Ruby module without including it?
...esn't mean that I want to pollute my namespace with all of them. A simple example if there's a Files.truncate and a Strings.truncate and I want to use both in the same class, explicitly. Creating a new class/instance each time I need a specific method or modifying the original is not a nice approach...
How can I build a small operating system on an old desktop computer? [closed]
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Despite the ridiculous cover, it's a fantastic read, especially for a textbook. Tanenbaum is really an expert in this area and his explanations of how the OS works underneath the hood are clear and easy to understand. This book is mostly theory, but I believe he also has a book that discusses mor...
LINQ to SQL Left Outer Join
...0-1. To do a left outer join, you need SelectMany and DefaultIfEmpty, for example:
var query = from c in db.Customers
join o in db.Orders
on c.CustomerID equals o.CustomerID into sr
from x in sr.DefaultIfEmpty()
select new {
CustomerI...