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Annotating text on individual facet in ggplot2
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Typically you'd do something like this:
ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text",
cyl = factor(8,levels = c("4","6","8")))
p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable comple...
Do AJAX requests retain PHP Session info?
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What you're really getting at is: are cookies sent to with the AJAX request? Assuming the AJAX request is to the same domain (or within the domain constraints of the cookie), the answer is yes. So AJAX requests back to the same server do ...
How do I save a UIImage to a file?
...// Save image.
[UIImagePNGRepresentation(image) writeToFile:filePath atomically:YES];
Core Data has nothing to do with saving images to disk by the way.
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Calling C++ class methods via a function pointer
How do I obtain a function pointer for a class member function, and later call that member function with a specific object? I’d like to write:
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Detecting that the browser has no mouse and is touch-only
... not a good way to move forward (and it is somewhat inconsistent). Additionally, unless you are tracking a very specific event or only trying to rule out a few classes above, using events themselves isn't full proof.
For example, say you've discovered that a user have emitted a real mousemove (not ...
How to find and return a duplicate value in array
...ou're writing this code for some huge scaling data (and if so, you can actually just use C or Python), the provided answer is far more elegant/readable, and isnt' going to run that much slower compared to a linear time solution. furthermore, in theory, the linear time solution requires linear space,...
Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
I'm developing an API client where I need to encode a JSON payload on request and decode a JSON body from the response.
1 A...
Breakpoint on property change
...al object
var obj = {
someProp: 10
};
// save in another property
obj._someProp = obj.someProp;
// overwrite with accessor
Object.defineProperty(obj, 'someProp', {
get: function () {
return obj._someProp;
},
set: function (value) {
debugger; // sets breakpoint
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Razor ViewEngine: How do I escape the “@” symbol?
... Twitter handles in ASP.NET MVC3 in conjunction with the Twitter @Anywhere API, and I haven't been able to figure out how to actually escape the "@" symbol in a Razor view.
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INSTALL_FAILED_NO_MATCHING_ABIS when install apk
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In some APIs that you used,You need add both "ARM Translation Installer v1.1" and "GApps for your Android version".
– saneryee
Jan 21 '15 at 9:47
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