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java get file size efficiently

... Well, I tried to measure it up with the code below: For runs = 1 and iterations = 1 the URL method is fastest most times followed by channel. I run this with some pause fresh about 10 times. So for one time access, using the URL is the fastest way I can think of: LENGTH sum: 10626, per It...
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?

I am being asked to generate some Excel reports. I am currently using pandas quite heavily for my data, so naturally I would like to use the pandas.ExcelWriter method to generate these reports. However the fixed column widths are a problem. ...
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Parsing command-line arguments in C?

... by word, or character by character in C. It has to be able to read in command line options -l -w -i or -- ... 12 Answers ...
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?

...grated a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5 ...
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Get OS-level system information

... run on many different platforms, but primarily variants of Solaris, Linux and Windows. 16 Answers ...
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How to place and center text in an SVG rectangle

... An easy solution to center text horizontally and vertically in SVG: Set the position of the text to the absolute center of the element in which you want to center it: If it's the parent, you could just do x="50%" y ="50%". If it's another element, x would be the x o...
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Converting RGB to grayscale/intensity

... from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140. ...
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?

... answered Jul 31 '13 at 16:42 Andy JonesAndy Jones 5,80644 gold badges2727 silver badges4444 bronze badges ...
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How to use base class's constructors and assignment operator in C++?

I have a class B with a set of constructors and an assignment operator. 5 Answers 5 ...
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Efficient way to remove keys with empty strings from a dict

I have a dict and would like to remove all the keys for which there are empty value strings. 17 Answers ...