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pass **kwargs argument to another function with **kwargs

...3 arguments: filename, mode and a dictionary (kwargs). But Python expects: 2 formal arguments plus keyword arguments. By prefixing the dictionary by '**' you unpack the dictionary kwargs to keywords arguments. A dictionary (type dict) is a single variable containing key-value pairs. "Keyword argu...
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Exit codes in Python

... 234 What you're looking for in the script is calls to sys.exit(). The argument to that method is ...
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How to implement a queue with three stacks?

...a.edu/webs/people/okasaki/jfp95.ps and it seems that he actually uses only 2 stacks for the O(1) version that has lazy evaluation. The problem is that it's really based on lazy evaluation. The question is if it can be translated to a 3-stack algorithm without lazy evaluation. UPDATE: Another relate...
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How can I add the new “Floating Action Button” between two widgets/layouts

... Best practice: Add compile 'com.android.support:design:25.0.1' to gradle file Use CoordinatorLayout as root view. Add layout_anchorto the FAB and set it to the top view Add layout_anchorGravity to the FAB and set it to: bottom|right|end <android.support.design.widget.Coord...
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Declaring variables inside loops, good practice or bad practice?

... Here, retainValue is still valid; tmpValue no longer */ } For question #2: The variable is allocated once, when the function is called. In fact, from an allocation perspective, it is (nearly) the same as declaring the variable at the beginning of the function. The only difference is the scope: th...
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails

...rails/blob/4-1-stable/actionpack/lib/action_dispatch/routing/mapper.rb#L1012 # # config/initializers/adjust-route-paths.rb module ActionDispatch module Routing class Mapper module Resources class Resource def path @path.dasherize end end ...
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NuGet for solutions with multiple projects

... 240 For anybody stumbling across this, now there is the following option : Right-click your so...
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Is it possible to disable floating headers in UITableView with UITableViewStylePlain?

... 29 Answers 29 Active ...
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How to set top-left alignment for UILabel for iOS application?

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Python to print out status bar and percentage

...rt progressbar from time import sleep bar = progressbar.ProgressBar(maxval=20, \ widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()]) bar.start() for i in xrange(20): bar.update(i+1) sleep(0.1) bar.finish() To install it, you can use easy_install progressbar, or pip...