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How to randomly select rows in SQL?

... 2005. In my db, I have a table "customerNames" which has two columns "Id" and "Name" and approx. 1,000 results. 11 Answer...
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How can I run PowerShell with the .NET 4 runtime?

...rShell (the engine) runs fine under .NET 4.0. PowerShell (the console host and the ISE) do not, simply because they were compiled against older versions of .NET. There's a registry setting that will change the .NET framework loaded systemwide, which will in turn allow PowerShell to use .NET 4.0 cla...
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?

...g delayed_jobs method of going into the console to see whats in the queue, and the ease of clearing the queue when needed. Are there similar commands in Sidekiq for this? Thanks! ...
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“Cloning” row or column vectors

... into a 2D array with length 1 in the first axis (vertical on your screen) and length 3 in the second axis (horizontal on your screen). Transposing then makes it have length 3 in the first axis and length 1 in the second axis. A tile shape of (1, 3) copies this column over three times, which is why ...
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Java packages com and org

What are the meaning of the packages org and com in Java? 4 Answers 4 ...
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Difference between GIT and CVS

What is the difference between Git and CVS version control systems? 5 Answers 5 ...
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Difference between Select and ConvertAll in C#

... Select is a LINQ extension method and works on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5. You should favor Select over ConvertAll...
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Finding a branch point with Git?

I have a repository with branches master and A and lots of merge activity between the two. How can I find the commit in my repository when branch A was created based on master? ...
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Boolean vs boolean in Java

... Yes you can use Boolean/boolean instead. First one is Object and second one is primitive type. On first one, you will get more methods which will be useful. Second one is cheap considering memory expense The second will save you a lot more memory, so go for it Now choose your way....
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How to convert an int to string in C?

... EDIT: As pointed out in the comment, itoa() is not a standard, so better use sprintf() approach suggested in the rivaling answer! You can use itoa() function to convert your integer value to a string. Here is an example: int num = 321; char snum[5]; // convert 123 to string...