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What is the difference between self::$bar and static::$bar in PHP?

...tatic $bar = 1234; } class Bar extends Foo { protected static $bar = 4321; } When you call a method via static, you're invoking a feature called late static bindings (introduced in PHP 5.3). In the above scenario, using self will result in Foo::$bar(1234). And using static will result in Bar...
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How do I modify a MySQL column to allow NULL?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Alter Table Add Column Syntax

... Dzianis YafimauDzianis Yafimau 1,67511 gold badge2323 silver badges3333 bronze badges add a comment ...
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Difference between this and self in self-type annotations?

...iDebilski 61.7k1111 gold badges106106 silver badges132132 bronze badges add a comment  |  ...
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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)

.... – michael salmon Sep 24 '14 at 19:32 add a comment  |  ...
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How to load/edit/run/save text files (.py) into an IPython notebook cell?

...book. – aaronsstack Jan 10 '14 at 1:32 Fix me if I'm wrong : you don't wont to use the notebook as a text editor ? (I ...
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Differences between utf8 and latin1

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Python: Using .format() on a Unicode-escaped string

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How to force a view refresh without having it trigger automatically from an observable?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Why is using the rails default_scope often recommend against?

...expected. – Zack Xu Nov 8 '17 at 18:32 add a comment  |  ...