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Does PNG contain EXIF data like JPG?
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Edit: Version 1.5.0 (July 2017) of the Extensions to the PNG 1.2 Specification has finally added an EXIF chunk. It remains to be seen if encoders-decoders begin to support it.
Original: PNG does not embed EXIF info. It allows, however, to embed metadata "chunks" inside the ...
Retrieve the position (X,Y) of an HTML element relative to the browser window
I want to know how to get the X and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
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How to keep keys/values in same order as declared?
I have a dictionary that I declared in a particular order and want to keep it in that order all the time. The keys/values can't really be kept in order based on their value, I just want it in the order that I declared it.
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How to define static property in TypeScript interface
I just want to declare a static property in typescript interface? I have not found anywhere regarding this.
13 Answers
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Create an instance of a class from a string
Is there a way to create an instance of a class based on the fact I know the name of the class at runtime. Basically I would have the name of the class in a string.
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Changing API level Android Studio
I want to change the minimum SDK version in Android Studio from API 12 to API 14. I have tried changing it in the manifest file, i.e.,
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How to get current path with query string using Capybara
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I've updated this answer to reflect modern conventions in capybara. I think this is ideal since this is the accepted answer, and what many people are being referred to when looking for a solution. With that said, the correct way to check the current ...
Handling the window closing event with WPF / MVVM Light Toolkit
I'd like to handle the Closing event (when a user clicks the upper right 'X' button) of my window in order to eventually display a confirm message or/and cancel the closing.
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It is more efficient to use if-return-return or if-else-return?
...he efficiency of both forms is comparable, the underlying machine code has to perform a jump if the if condition is false anyway.
Note that Python supports a syntax that allows you to use only one return statement in your case:
return A+1 if A > B else A-1
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How to trace the path in a Breadth-First Search?
...first.
Below is a quick implementation, in which I used a list of list to represent the queue of paths.
# graph is in adjacent list representation
graph = {
'1': ['2', '3', '4'],
'2': ['5', '6'],
'5': ['9', '10'],
'4': ['7', '8'],
'7': ['11', '12']
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