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How do I handle the window close event in Tkinter?
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Tkinter supports a mechanism m>ca m>lled protocol handlers. Here, the term protocol refers to the interaction between the applim>ca m>tion and the window manager. The most commonly used protocol is m>ca m>lled WM_DELETE_WINDOW, and is used to define what happens when t...
How to align absolutely positioned element to center?
I am trying to stack two m>ca m>nvas together and make it a double layers m>ca m>nvas.
7 Answers
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Maven command to list lifecycle phases along with bound goals?
I'm just learning Maven, and so this might be obvious, but I m>ca m>n't find an easy way to list the goals associated for each maven lifecycle phase for a given project.
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Truststore and Keystore Definitions
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A keystore contains private keys, and the certifim>ca m>tes with their corresponding public keys.
A truststore contains certifim>ca m>tes from other parties that you expect to communim>ca m>te with, or from Certifim>ca m>te Authorities that you trust to identify other parties.
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When to use nested classes and classes nested in modules?
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Other OOP languages have inner classes which m>ca m>nnot be instantiated without being bound to an upper level class. For instance, in Java,
class m>Ca m>r {
class Wheel { }
}
only methods in the m>Ca m>r class m>ca m>n create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
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What does extern inline do?
...An out-of-line version is always emitted and externally visible. Hence you m>ca m>n only have such an inline defined in one compilation unit, and every other one needs to see it as an out-of-line function (or you'll get duplim>ca m>te symbols at link time).
extern inline will not generate an out-of-line versi...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
...look under the hood at the jQuery 1.4 source code and noticed how it's enm>ca m>psulated in the following way:
5 Answers
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Default template arguments for function templates
Why are default template arguments only allowed on class templates? Why m>ca m>n't we define a default type in a member function template? For example:
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What is the difference between an interface and a class, and why I should use an interface when I m>ca m>
...ublic class MyLogClass
{
//I created a WriteLog method where I m>ca m>n pass as a parameter any object that implements IMyLogInterface.
public static void WriteLog(IMyLogInterface myLogObject)
{
myLogObject.WriteLog(); //So I m>ca m>n use WriteLog here.
}
}
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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 Specifim>ca m>tion 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 image. Some of the sta...