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Problems with lib-icu dependency when installing Symfony 2.3.x via Composer

...can't install php-intl on your server, you can explicitly add symfony/icu ~1.0 to your composer.json. 1.0 does not require php-intl, whereas 1.1+ does. If you don't need translation features: $ php bin/composer.phar require symfony/icu ~1.0 Without this declaration and trying to install symfony/...
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Is there any Rails function to check if a partial exists?

... Currently, I'm using the following in my Rails 3/3.1 projects: lookup_context.find_all('posts/_form').any? The advantage over other solutions I've seen is that this will look in all view paths instead of just your rails root. This is important to me as I have a lot of ra...
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How to define custom configuration variables in rails

... This works in rails 3.1: in config/environment.rb (or in config/environments/.. to target a specific environment) : YourApp::Application.config.yourKey = 'foo' This will be accessible in controller or views like this: YourApp::Applicati...
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Android: create a popup that has multiple selection options

I've been searching around trying to figure out how to create a popup or a dialog that has 4 options to choose from. 4 Answ...
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Why dict.get(key) instead of dict[key]?

...ited Apr 7 '17 at 7:22 Jean-François Corbett 33.6k2525 gold badges124124 silver badges172172 bronze badges answered Jun 14 '12 at 21:12 ...
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vertical & horizontal lines in matplotlib

.... The parameters xmin or ymin use value 0.0 as the minimum of the axis and 1.0 as the maximum of the axis. Instead, use plt.plot((x1, x2), (y1, y2), 'k-') to draw a line from the point (x1, y1) to the point (x2, y2) in color k. See pyplot.plot. ...
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Numpy index slice without losing dimension information

....matmul() or @). Just got burned by this. – Jean-François Corbett Mar 27 '19 at 12:02  |  show 3 more comments ...
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How accurately should I store latitude and longitude?

...mal degrees distance places ------------------------------- 0 1.0 111 km 1 0.1 11.1 km 2 0.01 1.11 km 3 0.001 111 m 4 0.0001 11.1 m 5 0.00001 1.11 m 6 0.000001 0.111 m 7 0.0000001 1.11 cm 8 0.0000...
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Entity Framework Join 3 Tables

...o see the answer as I asked, thanks a lot again. – Erçin Dedeoğlu Jan 10 '14 at 18:46 @MarcinJuraszek : if i need a ...
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How do I find the location of Python module sources?

...mp package is deprecated (since version 3.4) in favor of importlib (since 3.1) docs.python.org/3.6/library/imp.html – michael Sep 16 '18 at 3:53