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What does denote in C# [duplicate]
I'm new to C# and directly diving into modifying some code for a project I received. However, I keep seeing code like this :
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Does Java have something like C#'s ref and out keywords?
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No, Java doesn't have something like C#'s ref and out keywords for passing by reference.
You can only pass by value in Java. Even references are passed by value. See Jon Skeet's page about parameter passing in Java for more details.
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Why does csvwriter.writerow() put a comma after each character?
...-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1816880%2fwhy-does-csvwriter-writerow-put-a-comma-after-each-character%23new-answer', 'question_page');
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What does -save-dev mean in npm install grunt --save-dev
...ng to the package.json docs
Edit: Attempt at visualising what npm install does:
yourproject
dependency installed
dependency installed
dependency installed
devDependency NOT installed
devDependency NOT installed
devDependency installed
dependency installed
devDependency NOT installed
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
In the following method definitions, what does the * and ** do for param2 ?
22 Answers
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What is the difference between square brackets and parentheses in a regex?
...acters). In an alternation, you can also do something like (abc|def) which does not translate to a character class.
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Download multiple files with a single action
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HTTP does not support more than one file download at once.
There are two solutions:
Open x amount of windows to initiate the file downloads (this would be done with JavaScript)
preferred solution create a script to zip the file...
The new syntax “= default” in C++11
... both constructors will behave the same, providing an empty implementation does affect some properties of the class. Giving a user-defined constructor, even though it does nothing, makes the type not an aggregate and also not trivial. If you want your class to be an aggregate or a trivial type (or b...
Single vs double quotes in JSON
...or this confirmation. Apparently I'm the only one importing str(dict), and doesn't want to eval it. A simple .replace("'", '"') should do the trick.
– isaaclw
Dec 13 '12 at 22:16
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How do I create a file AND any folders, if the folders don't exist?
...heck both parts of the path (directory and filename) and create each if it does not exist.
Use File.Exists and Directory.Exists to find out whether they exist. Directory.CreateDirectory will create the whole path for you, so you only ever need to call that once if the directory does not exist, then...