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Cocoa Core Data efficient way to count entities
I read much about Core Data.. but what is an efficient way to make a count over an Entity-Type (like SQL can do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way...
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node.js remove file
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What if I check it exists, but it's blocked by another process - or, I check it exists, and it's fine, but then another process randomly blocks it before I'm able to delete. How can I block straight after checking? then would...
Pseudo-terminal will not be allocated because stdin is not a terminal
... then uses scp to copy files from my local machine onto the remote. Here's what I have so far:
10 Answers
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Java: Static Class?
...tance of it makes no semantic sense, but I still want to call its methods. What is the best way to deal with this? Static class? Abstract?
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Pros and Cons of Interface constants [closed]
...or not needing a half dozen other classes to represent a concept. I think what it boils down to, is how likely is there a need for other constants. In other words, is there a need to extend the ENUM provided by the constants on the interface. If you can foresee needing to expand it, then go with ...
Generate random 5 characters string
...t 5 random characters string with least possibility of getting duplicated. What would be the best way to do it? Thanks.
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Separators for Navigation
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Wow! This is exactly what I needed for my footer menu. Of course with some additional CSS.
– Vladimir
Feb 1 '16 at 21:18
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Passing a dictionary to a function as keyword parameters
...ou should rephrase your question: the problem wasn't passing a dictionary, what you wanted was turning a dict into keyword parameters
– Javier
Dec 2 '08 at 17:28
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Age from birthdate in python
...d assume that most people observe their birthday in the local time (that's what I do, I live 10-12h ahead of my birth place time). If "born" was a timezone-aware datetime, you could use pytz's arithmetic and normalize() - maybe of interest for an astrology software?
– Danny W. ...
How do you keep user.config settings across different assembly versions in .net?
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A little question, what constitutes a new version? Any part of the 4 part number? I use ClickOnce so is that a different animal?
– Refracted Paladin
Apr 23 '13 at 17:54
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