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How to pass command line arguments to a rake task

... symbol arguments to the task call. For example: require 'rake' task :my_task, [:arg1, :arg2] do |t, args| puts "Args were: #{args} of class #{args.class}" puts "arg1 was: '#{args[:arg1]}' of class #{args[:arg1].class}" puts "arg2 was: '#{args[:arg2]}' of class #{args[:arg2].class}" end ta...
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Can I disable autolayout for a specific subview at runtime?

I have a view that needs to have its frame manipulated programmatically - it's a kind of document view that wraps to its content which is then scrolled and zoomed around a superview by manipulating the frame origin. Autolayout fights with this at runtime. ...
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Javascript sort array by two fields

...iot proof - but doesn't seem necessary. function getSortMethod(){ var _args = Array.prototype.slice.call(arguments); return function(a, b){ for(var x in _args){ var ax = a[_args[x].substring(1)]; var bx = b[_args[x].substring(1)]; var cx; ...
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LINQ order by null column where order is ascending and nulls should be last

...nslated to LINQ method calls. It turns out that var products = from p in _context.Products where p.ProductTypeId == 1 orderby p.LowestPrice.HasValue descending orderby p.LowestPrice descending select p; will be translated by the compile...
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Prevent jQuery UI dialog from setting focus to first textbox

...ts, under the title 'Focus'): Upon opening a dialog, focus is automatically moved to the first item that matches the following: The first element within the dialog with the autofocus attribute The first :tabbable element within the dialog's content The first :tabbable element withi...
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How to convert 2D float numpy array to 2D int numpy array?

...(int), np.array([-np.inf]).astype(int), and np.array([np.nan]).astype(int) all return the same thing. Why? – BallpointBen May 14 '18 at 20:47 1 ...
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Google Guava vs. Apache Commons [closed]

...n (which is a major drawback for a collections API in my opinion) and generally seems to be in a maintenance/don't-do-too-much-work-on-it mode Recently Commons Collections has picked up some steam again, but it has some catching up to do.. If download size/memory footprint/code size is an issue the...
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Check if table exists and if it doesn't exist, create it in SQL Server 2008

...read, and you don't have to worry about sys.objects vs. sysobjects vs. sys.all_objects vs. sys.tables. Basic form: IF object_id('MyTable') is not null PRINT 'Present!' ELSE PRINT 'Not accounted for' Of course this will show as "Present" if there is any object present with that name. If yo...
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Calling shell functions with xargs

... Exporting the function should do it (untested): export -f echo_var seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {} You can use the builtin printf instead of the external seq: printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {} ...
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Why is Java Vector (and Stack) class considered obsolete or deprecated?

... each individual operation. That's almost never what you want to do. Generally you want to synchronize a whole sequence of operations. Synchronizing individual operations is both less safe (if you iterate over a Vector, for instance, you still need to take out a lock to avoid anyone else changing t...