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How to Display blob (.pdf) in an AngularJS app
I have been trying to display pdf file which I am getting as a blob from a $http.post response. The pdf must be displayed within the app using <embed src> for example.
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How to do a scatter plot with empty circles in Python?
...h Matplotlib, how can a scatter plot with empty circles be plotted? The goal is to draw empty circles around some of the colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles.
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Postgresql aggregate array
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Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to...
Why does the C# compiler go mad on this nested LINQ query?
Try to compile following code and you'll find that compiler takes >3 GB of RAM (all free memory on my machine) and very long time to compile (actually I get IO exception after 10 minutes).
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How to make good reproducible pandas examples
Having spent a decent amount of time watching both the r and pandas tags on SO, the impression that I get is that pandas questions are less likely to contain reproducible data. This is something that the R community has been pretty good about encouraging, and thanks to guides like this , newc...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...ly declared identifier that expands to a character array variable containing the function name when it is used inside of a function. It was added to C in C99. From C99 §6.4.2.2/1:
The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace of e...
Why are empty strings returned in split() results?
What is the point of '/segment/segment/'.split('/') returning ['', 'segment', 'segment', ''] ?
7 Answers
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Using generic std::function objects with member functions in one class
...function pointers to member functions of the same class in one map storing std::function objects. But I fail right at the beginning with this code:
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How to parse JSON in Java
I have the following JSON text. How can I parse it to get the values of pageName , pagePic , post_id , etc.?
34 Answers
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Bash Templating: How to build configuration files from templates with Bash?
I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
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