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UIView Infinite 360 degree rotation animation?
....rotation.z"];
rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 /* full rotation*/ * rotations * duration ];
rotationAnimation.duration = duration;
rotationAnimation.cumulative = YES;
rotationAnimation.repeatCount = repeat ? HUGE_VALF : 0;
[view.layer addAnimati...
Python != operation vs “is not”
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answered Feb 5 '10 at 20:32
WesleyWesley
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Python __str__ versus __unicode__
...rtelli
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2
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Update multiple columns in SQL
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i think use 1keydata.com/sql/sqlupdate.html "SET column_1 = [value1], column_2 = [value2]"
– DeLe
Jun 9 '13 at 1:01
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Python “raise from” usage
...ijn Pieters♦Martijn Pieters
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Using the slash character in Git branch name
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floriflori
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add a c...
How to properly add cross-site request forgery (CSRF) token using PHP
...empty($_SESSION['token'])) {
$_SESSION['token'] = bin2hex(random_bytes(32));
}
$token = $_SESSION['token'];
Sidenote: One of my employer's open source projects is an initiative to backport random_bytes() and random_int() into PHP 5 projects. It's MIT licensed and available on Github and Compos...
Make: how to continue after a command fails?
... Eli BenderskyEli Bendersky
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32
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How to use GROUP_CONCAT in a CONCAT in MySQL
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select id, group_concat(`Name` separator ',') as `ColumnName`
from
(
select
id,
concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name`
from mytbl
group by
id,
`Name`
) tbl
group by id;
You can see it i...
Pragma in define macro
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32
As an FYI: MSVC has the __pragma() preprocessor operator, which unfortunately is slightly different from C99's _Pragma() operator (C99's ta...