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Saving grid.arrange() plot to file
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grid.arrange draws directly on a device. arrangeGrob, on the other hand, doesn't draw anything but returns a grob g, that you can pass to ggsave(file="whatever.pdf", g).
The reason it works differently than with ggplot objects, where by default the last plot is being saved if not specified, ...
Visual Studio jump to next error shortcut?
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F8 (and Shift+F8 to go backwards).
Or at least that's what it is in my keyboard profile - you can go to tools\options\environment\keyboard and check out Edit.GoToNextLocation.
Note If you configured Visual Studio using VB keybo...
What Are the Differences Between PSR-0 and PSR-4?
Recently I've read about namespaces and how they are beneficial. I'm currently creating a project in Laravel and trying to move from class map autoloading to namespacing. However, I can't seem to grasp what the actual difference is between PSR-0 and PSR-4.
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How can I tell PyCharm what type a parameter is expected to be?
When it comes to constructors, and assignments, and method calls, the PyCharm IDE is pretty good at analyzing my source code and figuring out what type each variable should be. I like it when it's right, because it gives me good code-completion and parameter info, and it gives me warnings if I try t...
`staticmethod` and `abc.abstractmethod`: Will it blend?
In my Python app I want to make a method that is both a staticmethod and an abc.abstractmethod . How do I do this?
4 Ans...
How to find out which view is focused?
I need to find out if any view is focused inside an Activity and what view it is. How to do this?
6 Answers
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Disable copy constructor
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You can make the copy constructor private and provide no implementation:
private:
SymbolIndexer(const SymbolIndexer&);
Or in C++11, explicitly forbid it:
SymbolIndexer(const SymbolIndexer&) = delete;
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how to make svn diff show only non-whitespace line changes between two revisions
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You can use an alternate diff command using the --diff-cmd argument for svn diff. diff is a good utility that has plenty of features for ignoring whitespace.
For example:
svn diff --diff-cmd /usr/bin/diff -x "-w"
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Create dynamic URLs in Flask with url_for()
...Just so that it is clearer, if you have @app.route("/<a>/<b>") and def function(a,b): ... as its function, then you should use url_for and specify its keyword arguments like this: url_for('function', a='somevalue', b='anothervalue')
– jarrettyeo
May...
How do I resolve configuration errors with Nant 0.91?
...before extracting, one must right click on the zip file, select Properties and under the General tab, click the button labelled Unblock, then click OK on the Properties window. Now, extract the file to your desired location, ensure it is on the system path, open a new command line and NAnt should ru...