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Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
I'm having a bit of a strange problem. I'm trying to add a foreign key to one table that references another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that could possibly be suspect is that there is a foreign key on a different table referencing the one I ...
Ember.js or Backbone.js for Restful backend [closed]
I already know that ember.js is a more heavy weight approach in contrast to backbone.js. I read a lot of articles about both.
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Determine if the device is a smartphone or tablet? [duplicate]
I would like to get info about a device to see if it's a smartphone or tablet. How can I do it?
9 Answers
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check if a std::vector contains a certain object? [duplicate]
Is there something in <algorithm> which allows you to check if a std:: container contains something? Or, a way to make one, for example:
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How are people unit testing with Entity Framework 6, should you bother?
I am just starting out with Unit testings and TDD in general. I have dabbled before but now I am determined to add it to my workflow and write better software.
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Using only CSS, show div on hover over
I would like to show a div when someone hovers over an <a> element, but I would like to do this in CSS and not JavaScript. Do you know how this can be achieved?
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&& (AND) and || (OR) in IF statements
I have the following code:
9 Answers
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]
I try to execute the following command :
5 Answers
5
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Git branching: master vs. origin/master vs. remotes/origin/master
I think I'm on the right track to understand the basic concepts of git.
7 Answers
7
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Using Java with Nvidia GPUs (CUDA)
I'm working on a business project that is done in Java, and it needs huge computation power to compute business markets. Simple math, but with huge amount of data.
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