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Adding an identity to an existing column

I need to change the primary key of a table to an identity column, and there's already a number of rows in table. 19 Answe...
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How do you implement a “Did you mean”? [duplicate]

... Actually what Google does is very much non-trivial and also at first counter-intuitive. They don't do anything like check against a dictionary, but rather they make use of statistics to identify "similar" queries that returned more results than your query, the exact algorithm...
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?

... Assuming you've used home-brew to install and upgrade Postgres, you can perform the following steps. Stop current Postgres server: launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist Initialize a new 10.1 database: initdb /usr/local/var/postgre...
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How to debug apk signed for release?

I have an apk which I've signed and uploaded to Android Market, and installed on my phone. I would like to debug this release apk (by means of Eclipse) whilst it is running on my phone. I have done this before (and remember it being with one of the Android development tools; perhaps Dalvik Debug Mon...
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Image resizing client-side with JavaScript before upload to the server

...an image client-side with JavaScript (really resize, not just change width and height). I know it's possible to do it in Flash but I would like to avoid it if possible. ...
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Infinite Recursion with Jackson JSON and Hibernate JPA issue

...ks to As Zammel AlaaEddine for pointing this out). JsonManagedReference and JsonBackReference Since Jackson 1.6 you can use two annotations to solve the infinite recursion problem without ignoring the getters/setters during serialization: @JsonManagedReference and @JsonBackReference. Explanatio...
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Service vs IntentService in the Android platform

... can be done with an IntentService that cannot be done with a Service (and vice-versa)? 11 Answers ...
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How to delete duplicates on a MySQL table?

... Notice: this would keep the oldest duplicate record and would erase the newer ones. If you want to keep the newest you cannot do this with ALTER IGNORE. – Haralan Dobrev Oct 1 '12 at 10:26 ...
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SourceKitService Terminated

...e with Xcode where the error "Source Kit Service Terminated" is popping up and all syntax highlighting and code completion is gone in Swift. How can I fix this? ...
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NoSQL - MongoDB vs CouchDB [closed]

...noob when it comes to the NoSQL movement. I have heard lots about MongoDB and CouchDB. I know there are differences between the two. Which do you recommend learning as a first step into the NoSQL world? ...