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What is the meaning of single and double underscore before an object name?
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Single Underscore
Names, in a class, with a leading underscore are simply to indicate to other programmers that the attribute or method is intended to be private. However, nothing special is done with the name itself.
To quote PEP-8:
_single_leading_undersc...
How to find an available port?
I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions.
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Using a piano keyboard as a computer keyboard [closed]
...ing piano does not cause me pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard strokes. I know nothing at all about MIDI but I would like some guidance on how to convert this signal in...
Using Panel or PlaceHolder
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A panel expands to a span (or a div), with it's content within it. A placeholder is just that, a placeholder that's replaced by whatever you put in it.
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How dangerous is it to access an array out of bounds?
How dangerous is accessing an array outside of its bounds (in C)? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program ...
What is the default access modifier in Java? [duplicate]
...ult access modifier for a method or an instance variable if I do not state it explicitly?
13 Answers
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Using Git with Visual Studio [closed]
As a long-time Visual SourceSafe user (and hater) I was discussing switching to SVN with a colleague; he suggested using Git instead. Since, apparently, it can be used as peer-to-peer without a central server (we are a 3-developer team).
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Can I use a hash sign (#) for commenting in PHP?
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edited Nov 30 '18 at 13:49
Andy
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How to detect if multiple keys are pressed at once using JavaScript?
...ple keystroke detection is easy if you understand the concept
The way I do it is like this:
var map = {}; // You could also use an array
onkeydown = onkeyup = function(e){
e = e || event; // to deal with IE
map[e.keyCode] = e.type == 'keydown';
/* insert conditional here */
}
This code ...
Standard alternative to GCC's ##__VA_ARGS__ trick?
There is a well-known problem with empty args for variadic macros in C99.
10 Answers
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