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Convert a list to a string in C#
... separator between the substrings.
var myList = new List<String> { "foo","bar","baz"};
Console.WriteLine(String.Join("-", myList)); // prints "foo-bar-baz"
Depending on your version of .NET you might need to use ToArray() on the list first..
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How to perform element-wise multiplication of two lists?
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you can multiplication using lambda
foo=[1,2,3,4]
bar=[1,2,5,55]
l=map(lambda x,y:x*y,foo,bar)
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get name of a variable or parameter [duplicate]
... I would include the variable names inside the string, i.e. string.Format("foo={0}, bar={1}", foo, bar), because: in the method they are an implementation detail, but in the file they are part of the document format, which has nothing to do with what the locals are called.
– Ma...
Best way to parse command line arguments in C#? [closed]
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NDesk.options is great, but doesn't seem to really support console apps with more than one distinct command well. If you want that, try ManyConsole which builds on NDesk.Options: nuget.org/List/Packages/ManyConsole
– Frank Schwieterman
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Checking if a variable is not nil and not zero in ruby
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"foo"&.nonzero? # => NoMethodError: undefined method 'nonzero?' for "foo":String .... This is not safe to use on arbitrary objects.
– Tom Lord
Jun 6 '17 at 14:38
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How to manually deprecate members
...ike Objective-C, Swift has no preprocessor, so is there still a way to manually deprecate members of a class?
4 Answers
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Does Ruby have a string.startswith(“abc”) built in method?
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If this is for a non-Rails project, I'd use String#index:
"foobar".index("foo") == 0 # => true
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Batch equivalent of Bash backticks
...is very example only enables you to read the very first line of input. For all practical purposes the for /f variant is a much better one.
– Joey
May 4 '10 at 21:33
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Depend on a branch or tag using a git URL in a package.json?
...tHub URLs
As of version 1.1.65, you can refer to GitHub urls as just "foo":
"user/foo-project". Just as with git URLs, a commit-ish suffix can be
included. For example:
{ "name": "foo",
"version": "0.0.0",
"dependencies": {
"express": "visionmedia/express",
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application/x-www-form-urlencoded or multipart/form-data?
...form-urlencoded, the body of the HTTP message sent to the server is essentially one giant query string -- name/value pairs are separated by the ampersand (&), and names are separated from values by the equals symbol (=). An example of this would be:
MyVariableOne=ValueOne&MyVariableTwo=V...