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Redis is single-threaded, then how does it do concurrent I/O?
...lients by executing several flows corresponding to those clients with only one computation unit. In this context, parallelism would mean the server is able to perform several things at the same time (with multiple computation units), which is different.
For instance a bartender is able to look afte...
Difference between CTE and SubQuery?
... the CTE, which is (in terms of evaluation).
– casperOne
Apr 1 '09 at 19:32
1
Not sure how much t...
Can I multiply strings in Java to repeat sequences? [duplicate]
...
The easiest way in plain Java with no dependencies is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this does is create an empty string containing n n...
Markdown vs markup - are they related?
...y the same thing? Are they related? Please explain. If I want to implement one or the other in a web project (like stackoverflow) what do I need to use?
...
JavaScript naming conventions [closed]
... Thanks for linking to the list of style guides. I don't know if one is worth following exclusively or how to decide yet which one or whether I should use an amalgamation. But knowing where to find several in one place is a real boon.
– Roger_S
Dec 9 ...
Disable single warning error
...d I tried to read between the lines and solve his actual problem (arriving one minute after your comment :P).
– Matteo Italia
Aug 23 '11 at 10:18
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How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
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Just one warning on XPath and browsers, as this leads to lots of confusion: stackoverflow.com/questions/18241029/…
– Jens Erat
Mar 22 '14 at 6:52
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Read first N lines of a file in python
...rmance to be similar, maybe the first to be slightly faster. But the first one won't work if the file doesn't have at least N lines. You are best to measure the performance against some typical data you will be using it with.
– John La Rooy
Nov 20 '09 at 0:47
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Change Name of Import in Java, or import two classes with the same name
...t two classes with the same name and use both of them unqualified.
Import one class and use the fully qualified name for the other one, i.e.
import com.text.Formatter;
private Formatter textFormatter;
private com.json.Formatter jsonFormatter;
...
Are there pronounceable names for common Haskell operators? [closed]
... (as it is the same as Control.Monad.ap)
$ (none, just as " " [whitespace])
. pipe to a . b: "b pipe-to a"
!! index
! index / strict a ! b: "a index b", foo !x: foo strict x
<|> or / alternative expr <|> term: "expr or term...