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Why doesn't String switch statement support a null case?
... Paul BelloraPaul Bellora
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(How) can I count the items in an enum?
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123
There's not really a good way to do this, usually you see an extra item in the enum, i.e.
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How do you install ssh-copy-id on a Mac?
...to compiling dependencies errors at ssl.
cat ~/.ssh/id_rsa.pub | ssh user@123.45.56.78 "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"
credit goes to this site
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
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98
Here is a simple example of scrapy with an AJAX request. Let see the site rubin-kazan.ru.
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How to run JUnit test cases from the command line
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GishuGishu
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How to use background thread in swift?
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The best practice is to define a reusable function that can be accessed multiple times.
REUSA...
Check if a method exists
...j respondsToSelector:@selector(methodName:withEtc:)]) {
[obj methodName:123 withEtc:456];
}
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ASP MVC href to a controller/view
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Nice and easy! 10x!
– Alex123
Jan 5 '19 at 12:03
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How to do constructor chaining in C#
... {
}
}
then:
Foo a = new Foo(), b = new Foo(456,"def"), c = new Foo(123), d = new Foo("abc");
Note also:
you can chain to constructors on the base-type using base(...)
you can put extra code into each constructor
the default (if you don't specify anything) is base()
For "why?":
code r...
What is the most efficient way to loop through dataframes with pandas? [duplicate]
... ^ SyntaxError: invalid syntax
– astro123
Apr 1 '19 at 3:54
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