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Is there a REAL performance difference between INT and VARCHAR primary keys?
...with plenty of free space.
Ubuntu 16.04 64-bit
MySQL Ver 14.14 Distrib 5.7.20, for Linux (x86_64)
The tables:
create table jan_int (data1 varchar(255), data2 int(10), myindex tinyint(4)) ENGINE=InnoDB;
create table jan_int_index (data1 varchar(255), data2 int(10), myindex tinyint(4), INDEX (myind...
postgresql list and order tables by size
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answered Feb 12 '14 at 20:07
a_horse_with_no_namea_horse_with_no_name
399k6969 gold badges612612 silver badges695695 bronze badges
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Download File Using Javascript/jQuery
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answered Sep 20 '10 at 7:27
Randy the DevRandy the Dev
20.8k66 gold badges4141 silver badges5353 bronze badges
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How can I play sound in Java?
...unnecessary.
– Jataro
Jul 29 '09 at 20:20
45
1) The Thread is unnecessary. 2) For a good example ...
Difference between android-support-v7-appcompat and android-support-v4
...e support library.
Starting with Support Library release 26.0.0 (July 2017), the minimum
supported API level across most support libraries has increased to
Android 4.0 (API level 14) for most library packages.
Below is difference from Support Library Packages:
v4 Support Library
...
How to use gitignore command in git
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answered Sep 19 '12 at 20:19
u19964u19964
2,82544 gold badges1717 silver badges2727 bronze badges
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How to compare arrays in JavaScript?
... // Warning - two different object instances will never be equal: {x:20} != {x:20}
return false;
}
}
return true;
}
// Hide method from for-in loops
Object.defineProperty(Array.prototype, "equals", {enumerable: false});
Usage:
[1, 2, [3, 4]].eq...
Install Windows Service created in Visual Studio
When I create a new Windows Service in Visual Studio 2010, I get the message stating to use InstallUtil and net start to run the service.
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jQuery.click() vs onClick
...ay you run the $('#myDiv').click(function(){ code first, then you generate 20 rows of HTML dynamically from JavaScript and each row has a button on it that when clicked the JavaScript is required to execute that same function. If you do that first then it won't work as the event handler has been add...