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When do you use the “this” keyword? [closed]
...scope, for example by following common naming conventions and using properties (Pascal case) instead of fields (camel case) to avoid colliding with local variables (also camel case). In C# 3.0 fields can be converted to properties easily by using auto-implemented properties.
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...g advantage of this behavior would be a very simple and yet extremely efficient approach: all child processes will access the same data in physical memory when reading this large numpy array.
Don't hand your array to the Process() constructor, this will instruct multiprocessing to pickle the data t...
C# Interfaces. Implicit implementation versus Explicit implementation
...ituation which REQUIRED the use of an explicit interface: A class with a field generated by an interface builder that creates the field as private (Xamarin targetting iOS, using iOS storyboard). And an interface where it made sense to expose that field (public readonly). I could have changed the n...
How to convert JSON to CSV format and store in a variable
...o use the map function without any framework:
var json = json3.items
var fields = Object.keys(json[0])
var replacer = function(key, value) { return value === null ? '' : value }
var csv = json.map(function(row){
return fields.map(function(fieldName){
return JSON.stringify(row[fieldName], rep...
What is the difference between CurrentCulture and CurrentUICulture properties of CultureInfo in .NET
... class in the System.Globalization namespace. It has two similar properties both returning values of the CultureInfo type: CurrentCulture and CurrentUICulture .
...
JavaScript regex multiline flag doesn't work
...
You are looking for the /.../s modifier, also known as the dotall modifier. It forces the dot . to also match newlines, which it does not do by default.
The bad news is that it does not exist in JavaScript (it does as of ES2018, see below). The good news is th...
What is the difference between '>' and a space in CSS selectors?
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> is the child selector. It specifies only immediate child elements and not any descendant (including grandchildren, grand-grandchildren etc.) as in the second example without the >.
The child selector is not supported by IE 6 and lower. A great compatibi...
multiple definition of template specialization when using different objects
.... You may be creating the object multiple times in different object files (ie. in this case it is instantiated in other.c and main.c) but the original object itself is defined only in one file - in this case hello.h.
– Justin Liang
Apr 8 '15 at 17:02
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How can I read and parse CSV files in C++?
...ata in C++. At this point it can really just be a comma-delimited parser (ie don't worry about escaping new lines and commas). The main need is a line-by-line parser that will return a vector for the next line each time the method is called.
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What does “Content-type: application/json; charset=utf-8” really mean?
...w what to do with it. That's what HTTP headers are for, they tell the recipient what kind of content they're (supposedly) dealing with.
Content-type: application/json; charset=utf-8 designates the content to be in JSON format, encoded in the UTF-8 character encoding. Designating the encoding is som...