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Why are nested weights bad for performance? Alternatives?
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Update: As we know the percent support library is deprecated from API level 26. ConstraintLayout is the new way to achieve the same flat xml structure.
Updated Github Project
Updated Samples:
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android....
How to switch a user per task or set of tasks?
...sual post commands clean up such as chowning directories. Here's a snippet from one of my playbooks:
5 Answers
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How to update attributes without validation
..., a.state)
Note:- 'update_attribute' update only one attribute at a time from the code given in question i think it will work for you.
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How does free know how much to free?
... Why not, and can I use this same technique in my own functions to save me from needing to cart around the extra variable of the array's length?
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ARC and bridged cast
...Release Notes, under the section "The Compiler Handles CF Objects Returned From Cocoa Methods", it is indicated that using a method like -CGColor which returns a Core Foundation object will automatically be handled properly by the compiler.
Thus, they suggest using code like the following:
CAGrad...
Python coding standards/best practices [closed]
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Tabs or Spaces? From PEP8: Spaces are the preferred indentation method. Tabs should be used solely to remain consistent with code that is already indented with tabs.
– The Demz
Apr 8 '14 at 16:41
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Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...N, especially for quick interchanges. This may apply more to people coming from a dynamic language background, as the basic data types (lists, dictionaries, etc) built in to JavaScript / JSON directly map to the same or similar data types in Python, Perl, Ruby, etc.
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How to get a property value based on the name
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"Cannot convert from String to BindingFlags"
– Christine
Jul 1 '16 at 22:46
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How can I make a weak protocol reference in 'pure' Swift (without @objc)
...y solution I have found is to use @objc and eliminate all Swift data types from the protocol.
– Jim T
Jul 3 '14 at 22:32
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How to use gitignore command in git
... in folder your_project and a doc directory: your_project/doc.
Remove it from the project directory (without actually deleting it):
git rm --cached doc/*
If you don't already have a .gitignore, you can make one right inside of your project folder: project/.gitignore.
Put doc/* in the .gitignore ...