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One DbContext per web request… why?

...e one where you let the container or the infrastructure code / Composition Root manage the unit of work. This is the style that your question is about. By letting the container and/or the infrastructure handle this, your application code is not polluted by having to create, (optionally) commit and ...
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How exactly does a generator comprehension work?

...iterables, something like a cursor which moves on a resource. If you know mysql cursor or mongodb cursor, you may be aware of that the whole actual data never gets loaded into the memory at once, but one at a time. Your cursor moves back and forth, but there is always a one row/list element in memo...
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Detect encoding and make everything UTF-8

... @Christian: Indeed, that's what the authors of High Performance MySQL recommend too. – Alix Axel Dec 19 '11 at 7:39 1 ...
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How to select option in drop down protractorjs e2e tests

I am trying to select an option from a drop down for the angular e2e tests using protractor. 31 Answers ...
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Search All Fields In All Tables For A Specific Value (Oracle)

...based on what I think it should be named but it returned no results.* SELECT * from dba_objects WHERE object_name like '%DTN%' A column isn't an object. If you mean that you expect the column name to be like '%DTN%', the query you want is: SELECT owner, table_name, column_name FROM all_tab...
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Select all contents of textbox when it receives focus (Vanilla JS or jQuery)

What is a Vanilla JS or jQuery solution that will select all of the contents of a textbox when the textbox receives focus? ...
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PHP foreach loop key value

... This works, my mysql statement had a minor issue also but I got it working with your solution, thank you. – matthewb Dec 2 '09 at 18:38 ...
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Received fatal alert: handshake_failure through SSLHandshakeException

...certificate trust path between the certificate issued to the server, and a root CA. In most cases, this is because the root CA's certificate is absent in the trust store, leading to the situation where a certificate trust path cannot exist; the certificate is essentially untrusted by the client. Bro...
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Convert a string representation of a hex dump to a byte array using Java?

...nings: in Java 9 Jigsaw this is no longer part of the (default) java.se root set so it will result in a ClassNotFoundException unless you specify --add-modules java.se.ee (thanks to @eckes) Not available on Android (thanks to Fabian for noting that), but you can just take the source code if your ...
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puts vs logger in rails rake tasks

...stions/2246141/puts-vs-logger-in-rails-rake-tasks log_file = Rails.root.join("log", "#{Rails.env}.log") Rails.logger = ActiveSupport::Logger.new(log_file) Rails.logger.extend(ActiveSupport::Logger.broadcast(ActiveSupport::Logger.new(STDOUT))) end Test Here's a small Rake task to...