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Get class name of object as string in Swift

... Is this really the case? According to the docs for String for this initializer "an unspecified result is supplied automatically by the Swift standard library" when it doesn't conform to Streamable, or CustomStringConvertible, or Cust...
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Can table columns with a Foreign Key be NULL?

...d Mar 2 '10 at 21:37 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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reformat in vim for a nice column layout

...ion for this. Locate to the longest word and place cursor after it. Remove all the extra whitespace using dw and vertical movement. Example of this technique demonstrated below: I don't find myself needing to align things often enough to install another plugin, so this was my preferred way of a...
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How to get a Docker container's IP address from the host

...n. Maybe provide two examples clearly labelled Linux and Windows. I literally just typed the example, checked the docs which also uses single quotes and then Googled the error. I'm sure I'm not alone. – Wyck Apr 15 '19 at 18:42 ...
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Why use the 'ref' keyword when passing an object?

...) { obj = new Object(); } public void Method2(object obj) { obj = _privateObject; } The methods above does not modifies the original object. A little modification of your example using System; class Program { static void Main(string[] args) { ...
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How can you dynamically create variables via a while loop? [duplicate]

I want to create variables dynamically via a while loop in Python. Does anyone have any creative means of doing this? 8 Ans...
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What's the reason I can't create generic array types in Java?

What's the reason why Java doesn't allow us to do 17 Answers 17 ...
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Multi-line string with extra space (preserved indentation)

...sh documentation it doesn't seem to say anything one way or the other, but all the examples have it on its own line. – Andrew Miner Jan 18 '17 at 16:08 ...
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Change MySQL default character set to UTF-8 in my.cnf?

... The above my.cnf settings worked for me as well. Additionally, I had to make sure the table was set properly, such as ALTER TABLE Table CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci; – Chris Livdahl May 26 '11 at 19:26 ...
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Mean per group in a data.frame [duplicate]

... the many ways to specify the variables to act on. Here, vars(-Month) says all variables except Month. share | improve this answer | follow | ...