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CodeIgniter activerecord, retrieve last insert id?

Are there any options to get the last insert id of a new record in CodeIgniter? 11 Answers ...
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Nesting await in Parallel.ForEach

In a metro app, I need to execute a number of WCF calls. There are a significant number of calls to be made, so I need to do them in a parallel loop. The problem is that the parallel loop exits before the WCF calls are all complete. ...
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How to parse JSON in Scala using standard Scala classes?

I am using the build in JSON class in Scala 2.8 to parse JSON code. I don't want to use the Liftweb one or any other due to minimizing dependencies. ...
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Naming of ID columns in database tables

I was wondering peoples opinions on the naming of ID columns in database tables. 24 Answers ...
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How to get a Docker container's IP address from the host

Is there a command I can run to get the container's IP address right from the host after a new container is created? 52 Ans...
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Rails: Adding an index after adding column

Suppose I created a table table in a Rails app. Some time later, I add a column running: 5 Answers ...
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What's the difference between identifying and non-identifying relationships?

... An identifying relationship is when the existence of a row in a child table depends on a row in a parent table. This may be confusing because it's common practice these days to create a pseudokey for a child table, but not make the for...
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How to make a countdown timer in Android?

I have two EditTexts in XML. In one EditText, the user can put a number as minutes and in another EditText, a number as seconds. After clicking the finish button, the seconds EditText should start to countdown and update its text every second. ...
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Get user profile picture by Id

I'm now working on a web application which is mostly based of facebook graph api. I hold some data about users - actually , the possible public data available - such as name and id. I also know that a profile picture is a part of the public data, and I wondered how I'll be able to get a direct link ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...