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Interface vs Abstract Class (general OO)
I have had recently two telephone interviews where I've been asked about the differences between an Interface and an Abstract class. I have explained every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don't know what it is.
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Is JavaScript an untyped language?
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So the problem is that there's a few different definitions of untyped.
One definition has been talked about in one of the above answers - the runtime doesn't tag values and just treats each value as bits. JavaScript does tag values and has different behaviour based on those tags. So JavaScript o...
Unix command-line JSON parser? [closed]
Can anyone recommend a Unix (choose your flavor) JSON parser that could be used to introspect values from a JSON response in a pipeline?
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How to reset postgres' primary key sequence when it falls out of sync?
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@Valery: But in order to avoid gaps mentioned by @mikl two comments above, you need SELECT setval('your_table_id_seq', coalesce((select max(id)+1 from your_table), 1), false);
– Antony Hatchkins
Nov 9 '12 at 12:19
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Why have header files and .cpp files? [closed]
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C++ compilation
A compilation in C++ is done in 2 major phases:
The first is the compilation of "source" text files into binary "object" files: The CPP file is the compiled file and is compiled without any knowledge about the other CPP files (or even libraries), u...
What is Shelving in TFS?
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Shelving has many uses. The main ones are:
Context Switching: Saving the work on your current task so you can switch to another high priority task. Say you're working on a new feature, minding your own business, when your boss runs in and says "Ahhh! Bug ...
CSS Child vs Descendant selectors
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One important note is that a child selector is going to be faster than descendant selector, which can have a visible affect on pages with 1000's of DOM elements.
– Jake Wilson
Mar 22 '12...
How to generate XML file dynamically using PHP?
... It is possible to specify the encoding with SimpleXml? How it can be done?
– Eineki
Jan 28 '09 at 14:17
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How to flip windows in vim? [duplicate]
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If you have them split vertically C-wJ to move one to the bottom
If you have them split horizontally C-wL to move one to the right
To rotate in a 'column' or 'row' of split windows, C-wC-r
The following commands can be used to change the window layout. For example,...
JSON formatter in C#?
...JsonSerializerOptions(){
WriteIndented = true
};
var jsonElement = JsonSerializer.Deserialize<JsonElement>(unPrettyJson);
return JsonSerializer.Serialize(jsonElement, options);
}
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