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Representing null in JSON
...lso note that if you have problems with 4 ASCII characters, JSON isn't the best approach, look at Binary JSON or better to a pure binary format.
– PhoneixS
Apr 11 '18 at 9:29
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Function vs. Stored Procedure in SQL Server
...tions and stored procedures serve separate purposes. Although it's not the best analogy, functions can be viewed literally as any other function you'd use in any programming language, but stored procs are more like individual programs or a batch script.
Functions normally have an output and optiona...
How do I limit the number of rows returned by an Oracle query after ordering?
...numbers, whereas rank() can. In any case for this question row_number() is best suited. One other not is this technique is applicable to any db that supports the functions mentioned.
– Used_By_Already
Oct 29 '17 at 0:34
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Generating a unique machine id
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I had the same problem and after a little research I decided the best would be to read MachineGuid in registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography, as @Agnus suggested. It is generated during OS installation and won't change unless you make another fresh OS install. Depe...
Replacement for “rename” in dplyr
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It is best to load dplyr after plyr in this case. That way the faster dplyr functions are used when available and you can use mutate rather than dplyr::mutate
– Vincent
Feb 1 '14 at 22:43
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Should private helper methods be static if they can be static
...on to choose one over the other, since it would be a micro-optimization at best.
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Fastest way to check if a string matches a regexp in ruby?
...ed, and avoid greedy matches, especially when searching long strings.
The best thing to do, until you're familiar with how a particular engine works, is to do benchmarks and add/remove anchors, try limiting searches, use wildcards vs. explicit matches, etc.
The Fruity gem is very useful for quickl...
C# “as” cast vs classic cast [duplicate]
...sign anyway, so performance is a secondary concern. I try and only provide best-practice code on SO and followed MS's own guidelines in this case.
– Zooba
May 15 '12 at 0:28
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How do I print a double value with full precision using cout?
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By full precision, I assume mean enough precision to show the best approximation to the intended value, but it should be pointed out that double is stored using base 2 representation and base 2 can't represent something as trivial as 1.1 exactly. The only way to get the full-full preci...
How to set breakpoints in inline Javascript in Google Chrome?
...tever message written from the script, you can see a link to the code. The best part is that the link shows the file name you gave to the script (ie, //# sourceURL=somename.js).
– Manuel Rivera
May 1 '19 at 8:44
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