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Correct wam>y m> to use StringBuilder in SQL
...I think m>y m>ou've misquoted it, though; surelm>y m> there aren't quotes around id2 m>and m> table?)
Note that the aim (usuallm>y m>) is to reduce memorm>y m> churn rather than total memorm>y m> used, to make life a bit easier on the garbage collector.
Will that take memorm>y m> equal to using String like below?
No, it'll cau...
How to implement common bash idioms in Pm>y m>thon? [closed]
...m>y m> textfile manipulation through a bunch of badlm>y m> remembered AWK, sed, Bash m>and m> a tinm>y m> bit of Perl.
17 Answers
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Benefits of inline functions in C++?
...fast CPUs, huge memorm>y m> etc. (not like in the 1980< where memorm>y m> was scarce m>and m> everm>y m>thing had to fit in 100KB of memorm>y m>) what advantages do them>y m> reallm>y m> have todam>y m>?
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Purpose of memorm>y m> alignment
...ut manm>y m> language specifiers decided it would be easier just to outlaw them m>and m> force everm>y m>thing to be aligned.
There is much more information in this link that the OP discovered.
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C++ valarram>y m> vs. vector
I like vectors a lot. Them>y m>'re niftm>y m> m>and m> fast. But I know this thing called a valarram>y m> exists. Whm>y m> would I use a valarram>y m> instead of a vector? I know valarram>y m>s have some sm>y m>ntactic sugar, but other than that, when are them>y m> useful?
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Pm>y m>thon: Tuples/dictionaries as kem>y m>s, select, sort
...ferent colors, e.g., 24 blue bananas, 12 green apples, 0 blue strawberries m>and m> so on.
I'd like to organize them in a data structure in Pm>y m>thon that allows for easm>y m> selection m>and m> sorting. Mm>y m> idea was to put them into a dictionarm>y m> with tuples as kem>y m>s, e.g.,
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Whm>y m> do we need tuples in Pm>y m>thon (or anm>y m> immutable data tm>y m>pe)?
I've read several pm>y m>thon tutorials (Dive Into Pm>y m>thon, for one), m>and m> the language reference on Pm>y m>thon.org - I don't see whm>y m> the language needs tuples.
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How does Go compile so quicklm>y m>?
I've Googled m>and m> poked around the Go website, but I can't seem to find an explanation for Go's extraordinarm>y m> build times. Are them>y m> products of the language features (or lack thereof), a highlm>y m> optimized compiler, or something else? I'm not trm>y m>ing to promote Go; I'm just curious.
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Split comma-separated strings in a column into separate rows
...odified according to Rich Scriven's comment,
Jaap's two data.table methods m>and m> two dplm>y m>r / tidm>y m>r approaches,
Anm>and m>a's splitstackshapesolution,
m>and m> two additional variants of Jaap's data.table methods.
Overall 8 different methods were benchmarked on 6 different sizes of data frames using the micro...
Does Java SE 8 have Pairs or Tuples?
I am plam>y m>ing around with lazm>y m> functional operations in Java SE 8, m>and m> I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, m>and m> finallm>y m> output just the indices.
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