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JSON parsing using Gson for Java

I would like to parse data from JSON which is of type String . I am using Google Gson . 11 Answers ...
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Command line progress bar in Java

I have a Java program running in command line mode. I would like to display a progress bar, showing the percentage of job done. The same kind of progress bar you would see using wget under unix. Is this possible? ...
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Git status - is there a way to show changes only in a specific directory?

I would like to see a list of files modified since the last commit, as git status shows, but I care only about files located in a single directory. Is there a way to do this? I tried git status <directory> , but it seems this does something completely different (lists all changed files, as ...
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How do I declare an array of weak references in Swift?

...ould be. I think Cocoa NSPointerArray offers a non-typesafe version of this. 18 Answers ...
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Resize UIImage by keeping Aspect ratio and width

...taken automatically based on the aspect ratio. anyone help me to achieve this. 19 Answers ...
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2

Is it possible to plot a matrix of scatter plots with ggplot2 , using ggplot 's nice features like mapping additional factors to color, shape etc. and adding smoother? ...
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How to use the 'sweep' function

...ed (e.g., apply ), other times, it's impossible to know exactly what it's is doing without spending a fair amount of time to step through the code block it's in. ...
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Declare a constant array

... An array isn't immutable by nature; you can't make it constant. The nearest you can get is: var letter_goodness = [...]float32 {.0817, .0149, .0278, .0425, .1270, .0223, .0202, .0609, .0697, .0015, .0077, .0402, .0241, .0675, .0751,...
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How do I sort a vector of pairs based on the second element of the pair?

... EDIT: using c++14, the best solution is very easy to write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution std::sort(v.begin(), v.end(), [](auto &left, auto &right) { return left.second < right.se...
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Applying .gitignore to committed files

...ath/to/file See also: How do I git rm a file without deleting it from disk? Remove a file from a Git repository without deleting it from the local filesystem Ignoring a directory from a Git repo after it's been added sh...