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Rails Model, View, Controller, and Helper: what goes where?

...rols the view but not the logic. The Controller should concern itself with selecting the proper view and delegate more complex stuff to the domain model (Model) or the business layer. Domain Driven Design has a concept of Services which is a place you stick logic which needs to orchestrate a number...
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horizontal scrollbar on top and bottom of table

...nate bug: clicking the shaded area of the scrollbar no longer jumps to the selection you click. Instead, what you get is a very small and somewhat annoying increment in the position of the scrollbar. Tested: 4 versions of Firefox (100% affected), 4 versions of Chrome (50% affected). Here's my jsf...
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How do I access the command history from IDLE?

... Go into Preferences > Keys. Find the 'history-previous' selection in the list and edit it to Up Arrow. share | improve this answer | follow ...
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'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho

...Api.Client in MyMVCProjectNameAndNotMyConsoleProjectName'. The next time I selected my Console project and typed the same thing in the package manager console. It said MyMVCProjectName already references Microsoft.AspNet.WebApi.Client. I am confused. – Water Cooler v2 ...
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SQL Server Escape an Underscore

...expected. Instead of trying to hassle with it, I went with a work around: select * from information_schema.columns where replace(table_name,'_','!') not like '%!%' order by table_name share | imp...
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How to hide soft keyboard on android after clicking outside EditText?

...d to do anything, it just has to exist for the parent view to be focusable/selectable, which is necessary for stealing the focus from the child EditText – Jacob R Aug 30 '17 at 21:20 ...
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UnicodeEncodeError: 'latin-1' codec can't encode character

...t. They map exactly to the Unicode characters U+0080–U+009F, which are a selection of control characters. They're control characters that aren't used very much which is why browsers got away with it, but it's annoying when you are trying to convert a sequences of bytes-as-Unicode. ...
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How to get the last N rows of a pandas DataFrame?

... This is because of using integer indices (ix selects those by label over -3 rather than position, and this is by design: see integer indexing in pandas "gotchas"*). *In newer versions of pandas prefer loc or iloc to remove the ambiguity of ix as position or label: df....
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How to limit the amount of concurrent async I/O operations?

...syncThreadCount); IEnumerable<Task> tasks = inputEnumerable.Select(async input => { await throttler.WaitAsync().ConfigureAwait(false); try { await asyncProcessor(input).ConfigureAwait(false); } fina...
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How to create permanent PowerShell Aliases

...able them, open settings -> Update & Security -> For developers. Select Developer Mode (might require restart). . Scroll down to the PowerShell section, tick the "Change execution policy ..." option, and apply. ...