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Formatting Phone Numbers in PHP
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$data = '+11234567890';
if( preg_match( '/^\+\d(\d{3})(\d{3})(\d{4})$/', $data, $matches ) ...
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...
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...
Difference between return and exit in Bash functions
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Proper usage of Optional.ifPresent()
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JB NizetJB Nizet
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Difference between break and continue statement
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102
See Branching Statements for more details and code samples:
break
The break statement ha...
Python: changing value in a tuple
...uence, the memory consumption of tuple (60-bytes for one-element) vs list (104 bytes) and make a difference. Another use case is for namedtuples since namedlist doesn't natively exist.
– Michael Scott Cuthbert
Aug 2 '15 at 17:46
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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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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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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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