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What is non-blocking or asynchronous I/O in Node.js?
... second queue and the main thread will continue running (it doesn't wait). Now when the DB operation completes and returns, the corresponding callback pulled out of the second queue and queued in a third queue where they are pending execution. When the engine gets a chance to execute something else ...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
... operation, so it cannot be as widely applied. Also, it requires too much knowledge about the data you are manipulating.
Note: previously I said matching was slower than flatMap -- the opposite is true as a matter of fact, up to the most recent version of Scala at the time of this writing, 2.10.1.)...
Load different colorscheme when using vimdiff
...e past, but just added it to my .vimrc in the 'if &diff' predicate and now saved some keystrokes
– qneill
Jan 24 '19 at 17:07
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Convert Datetime column from UTC to local time in select statement
... @MichaelGoldshteyn if you have a timezone offset you still dont know what logical timezone a time is in. Timezones are social things and can be changed by governments at different points. The offset for a timezone can be different at different points in time/history (summer time being a ...
Passing an Array as Arguments, not an Array, in PHP
...ereferencing the array into the standard func($arg1, $arg2) manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not how to de-list the array into a list of arguments.
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Why is Git better than Subversion?
... just because it's new and is written by Linus Torvalds, without actually knowing why/if it's better.
Subversion has Problems, but so does Git, Mercurial, CVS, TFS or whatever.
Edit: So this answer is now a year old and still generates many upvotes, so I thought I'll add some more explanations. In...
When do I need to use AtomicBoolean in Java?
... @Bozho - reads and writes to boolean fields are atomic right?, Now, volatile gives me the latest value of the boolean field. So, effectively, wouldn't volatile boolean be same as AtomicBoolean?.
– TheLostMind
Jul 30 '14 at 14:29
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The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
...from a specific struct (Nullable<Nullable<...>>)? - Edit I see now apparently it is special - Compile Error...must be a non-nullable value type....
– Joshua Enfield
Feb 11 '12 at 0:20
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MySQL - ORDER BY values within IN()
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Careful. Any unknown property value (not in the list) will take precedence over the known values, i.e. FIELD(letter, 'A', 'C'), the list will first return entries with B letter first (assuming a set of records with A | B | C values). To avoi...
How to use the new affix plugin in twitter's bootstrap 2.1.0?
...: $('#nav').offset().top. And it should be inside a ready() block so you know the page layout is complete.
– orrd
Sep 10 '13 at 16:20
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