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When to use MyISAM and InnoDB? [duplicate]
...updates
No transactional integrity (ACID compliance)
No rollback abilities
4,284,867,296 row limit (2^32) -- This is old default. The configurable limit (for many versions) has been 2**56 bytes.
Maximum of 64 indexes per table
InnoDB Limitations:
No full text indexing (Below-5.6 mysql version)
...
Version number comparison in Python
...t mycmp("1", "1") == 0
assert mycmp("2.1", "2.2") < 0
assert mycmp("3.0.4.10", "3.0.4.2") > 0
assert mycmp("4.08", "4.08.01") < 0
assert mycmp("3.2.1.9.8144", "3.2") > 0
assert mycmp("3.2", "3.2.1.9.8144") < 0
assert mycmp("1.2", "2.1") < 0
assert mycmp("2.1", "1.2") > 0
assert ...
Bulk Insertion in Laravel using eloquent ORM
....
For example:
$data = array(
array('name'=>'Coder 1', 'rep'=>'4096'),
array('name'=>'Coder 2', 'rep'=>'2048'),
//...
);
Coder::insert($data);
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Change private static final field using Java reflection
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answered Jul 21 '10 at 16:46
polygenelubricantspolygenelubricants
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How to create a zip archive with PowerShell?
...utput file]
– joshschreuder
Jul 6 '14 at 22:59
9
Powershell 5 comes with a Compress-Archive cmdle...
Find all records which have a count of an association greater than zero
...s an example
[10] pry(main)> Comment.distinct.pluck :article_id
=> [43, 34, 45, 55, 17, 19, 1, 3, 4, 18, 44, 5, 13, 22, 16, 6, 53]
[11] pry(main)> _.size
=> 17
[12] pry(main)> Article.joins(:comments).size
=> 45
[13] pry(main)> Article.joins(:comments).distinct.size
=> 17
[1...
iOS Simulator failed to install the application
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edited Feb 24 '14 at 9:31
Abdul Yasin
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How to write to an existing excel file without overwriting data (using pandas)?
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144
Pandas docs says it uses openpyxl for xlsx files. Quick look through the code in ExcelWriter gi...
Timeout function if it takes too long to finish [duplicate]
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Danra
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answered Feb 17 '10 at 16:56
David NarayanDavid Narayan
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Is there a way to ignore header lines in a UNIX sort?
... BobSBobS
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