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Why is lock(this) {…} bad?
... Re: locking "too much": It's a fine balancing act deciding what to lock. Be aware that taking a lock involves cache-flush CPU operations and is somewhat expensive. In other words: do not lock and update each individual integer. :)
– Zan Lynx
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String concatenation in Ruby
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The second method seems to be more efficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uninitialized constant error when ROOT_DIR is nil.
When dealing with pathnames, you may want to use File.join to avoid messing up with pathname separator....
When to use Amazon Cloudfront or S3
... keep this updated, CloudFront supports CORS now: aws.amazon.com/about-aws/whats-new/2014/06/26/…
– sergiopantoja
Aug 8 '14 at 16:22
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getting date format m-d-Y H:i:s.u from milliseconds
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@Anant, it would be quite easy, indeed. But wrong. ;) What you get there is just the epoch in seconds. (Unfortunately, wouldn't work with microtime(false) either.)
– Sz.
Sep 28 '18 at 2:10
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must appear in the GROUP BY clause or be used in an aggregate function
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@amenzhinsky What do you mean? If one wants to have the result set sorted with a different order than BY cname ?
– ypercubeᵀᴹ
Nov 26 '14 at 13:19
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Disadvantages of Test Driven Development? [closed]
What do I lose by adopting test driven design?
31 Answers
31
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Do AJAX requests retain PHP Session info?
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indeed, that's what I forgot to do :-)
– sivann
May 16 '12 at 21:57
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Waiting on a list of Future
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What about timeouts?Can i tell completion service to wait for X seconds at max?
– user93796
Oct 13 '13 at 18:10
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Suppressing “is never used” and “is never assigned to” warnings in C#
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awesome thanks - this is what I needed. I'm using JsonConvert.DeserializeObject and I'm deserializing into a public class that just has all of the properties exposed so that I know what will be returned. Just making it a public class that's empty wit...
When and why would you seal a class?
...ns where developers have sealed classes, causing me hours of difficulty in what should be simple. Stop sealing classes, you're not as witty as you think you are. Seal classes only if you MUST, and even then, reconsider. Just my opinion, as the guy who has to deal with other people's sealed classe...