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Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED

... piggybackpiggyback 7,9641010 gold badges4242 silver badges7474 bronze badges ...
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Heroku free account limited?

... requests. If each instance of your application can serve each request in 100ms, then you get 600 requests/minute with the free account. Your application code and its assets (the slug) are limited to 300 MB in total. Your application also has access to the local filesystem, which can serve as an ep...
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How to set an environment variable only for the duration of the script?

On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
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Easy way to concatenate two byte arrays

...ghtforward: byte[] c = new byte[a.length + b.length]; System.arraycopy(a, 0, c, 0, a.length); System.arraycopy(b, 0, c, a.length, b.length); share | improve this answer | f...
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CSS Div stretch 100% page height

...igation bar on the left hand side of my page, and I want it to stretch to 100% of the page height. Not just the height of the viewport, but including the areas hidden until you scroll. I don't want to use javascript to accomplish this. ...
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Percentage width in a RelativeLayout

...es to define your layout. In the following example, the left button uses 70% of the space, and the right button 30%. <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <Button android:text="lef...
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How to generate string of a certain length to insert into a file to meet a file size criteria?

...will automatically generate the files. I know the size of each file, ex. 100KB, and how many files to generate. What I need help with is how to generate a string less than or equal to the required file size. ...
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data type not understood

... 150 Try: mmatrix = np.zeros((nrows, ncols)) Since the shape parameter has to be an int or sequenc...
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Merge cells using EPPlus?

... answered May 30 '11 at 5:49 Carles CompanyCarles Company 6,40855 gold badges4747 silver badges7171 bronze badges ...
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Run two async tasks in parallel and collect results in .NET 4.5

... Console.WriteLine("Starting"); var task1 = Sleep(5000); var task2 = Sleep(3000); int[] result = await Task.WhenAll(task1, task2); Console.WriteLine("Slept for a total of " + result.Sum() + " ms"); } private async static...