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How to downgrade or install an older version of Cocoapods

...on of cocoa pods via the following command: sudo gem install cocoapods -v 0.25.0 You can use older installed versions with following command: pod _0.25.0_ setup share | improve this answer ...
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Is there a way to iterate over a range of integers?

...rite a for loop. Simple, obvious code is the Go way. for i := 1; i <= 10; i++ { fmt.Println(i) } share | improve this answer | follow | ...
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Why is a pure virtual function initialized by 0?

... The reason =0 is used is that Bjarne Stroustrup didn't think he could get another keyword, such as "pure" past the C++ community at the time the feature was being implemented. This is described in his book, The Design & Evolution of ...
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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]

...[44]: df Out[44]: a b c Value 0 -1.674308 foo 0.343801 0.044698 1 -2.163236 bar -2.046438 -0.116798 2 -0.199115 foo -0.458050 -0.199115 3 0.918646 bar -0.007185 -0.001006 4 1.336830 foo 0.534292 0.268245 ...
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Text border using css (border around text)

... Use multiple text shadows: text-shadow: 2px 0 0 #fff, -2px 0 0 #fff, 0 2px 0 #fff, 0 -2px 0 #fff, 1px 1px #fff, -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff; body { font-family: sans-serif; background: #222; color: darkred; } h1 { text-sha...
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused

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Pandas percentage of total with groupby

...swer: # From Paul H import numpy as np import pandas as pd np.random.seed(0) df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3, 'office_id': list(range(1, 7)) * 2, 'sales': [np.random.randint(100000, 999999) for _ in range(12...
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Elastic Search: how to see the indexed data

...ing on your local machine), open a browser window to: http://localhost:9200/_plugin/head/ Alternatively, you can just use curl from the command line, eg: Check the mapping for an index: curl -XGET 'http://127.0.0.1:9200/my_index/_mapping?pretty=1' Get some sample docs: curl -XGET 'http:...
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How do you add swap to an EC2 instance?

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Multi-gradient shapes

...ze(int width, int height) { LinearGradient lg = new LinearGradient(0, 0, width, height, new int[]{Color.GREEN, Color.GREEN, Color.WHITE, Color.WHITE}, new float[]{0,0.5f,.55f,1}, Shader.TileMode.REPEAT); return lg; } }; PaintDrawable p=new PaintDrawable()...