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Why use symbols as hash keys in Ruby?
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TL;DR:
Using symbols not only saves time when doing comparisons, but also saves memory, becau...
How to echo or print an array in PHP?
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129
This will do
foreach($results['data'] as $result) {
echo $result['type'], '<br>';
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Include .so library in apk in android studio [duplicate]
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28
I had the same problem. Check out the comment in https://gist.github.com/khernyo/4226923#commen...
Index (zero based) must be greater than or equal to zero
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192
Your second String.Format uses {2} as a placeholder but you're only passing in one argument, so ...
Convert a string representation of a hex dump to a byte array using Java?
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24 Answers
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Return index of greatest value in an array
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12 Answers
12
Active
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Count the number of occurrences of a string in a VARCHAR field?
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answered Sep 10 '12 at 2:56
yannisyannis
5,13755 gold badges3636 silver badges4444 bronze badges
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
...ere was no difference in optimization or performance of SQL-89 versus SQL-92 style joins. One can assume that most RDBMS engines transform the syntax into an internal representation before optimizing or executing the query, so the human-readable syntax makes no difference.
I also try to evangelize...
Invalid date format specification in gemspec
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edited Feb 19 '12 at 21:27
answered Sep 3 '11 at 3:22
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What is the benefit of using $() instead of backticks in shell scripts?
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An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.txt | tail -1l) -print)
which will give you a list of all files in the /dir directory tree which have the same name as the earliest dated text file from December 2011 (a).
Another example would be somethi...