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Ruby: How to get the first character of a string
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edited May 12 '14 at 2:10
answered Apr 28 '10 at 15:41
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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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edited Jun 25 '18 at 10:36
Cristian Ciupitu
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How to determine if a string is a number with C++?
... eg: 1.23
– littlecodefarmer758
Mar 10 '13 at 9:31
4
@Remy Lebeau, yes it does. It's not actuall...
How to convert comma-delimited string to list in Python?
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Matt WilliamsonMatt Williamson
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Proper usage of Optional.ifPresent()
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JB NizetJB Nizet
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
...ator or destructor, and if the generated move constructor is valid (§12.8/10).
The move assignment operator is auto-generated if there is no user-declared copy constructor, copy assignment operator or destructor, and if the generated move assignment operator is valid (e.g. if it wouldn't need to as...
Check if a Postgres JSON array contains a string
...ents on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(info->'food') as food
d(# where food::text = '"carr...
How to create directories recursively in ruby?
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answered Sep 10 '10 at 15:49
Harmon WoodHarmon Wood
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How to get the separate digits of an int number?
I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.
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What is the Oracle equivalent of SQL Server's IsNull() function?
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answered Aug 19 '10 at 16:40
Shannon SeveranceShannon Severance
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