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Difference between `set`, `setq`, and `setf` in Common Lisp?
What is the difference between "set", "setq", and "setf" in Common Lisp?
6 Answers
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store and retrieve a class object in shared preference
In Android can we store an object of a class in shared preference and retrieve the object later?
13 Answers
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Disable browser's back button
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Do not disable expected browser behaviour.
Make your pages handle the possibility of users going back a page or two; don't try to cripple their software.
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How to “test” NoneType in python?
...ariable has None in it or not.
Quoting from is docs,
The operators is and is not test for object identity: x is y is true if and only if x and y are the same object. x is not y yields the inverse truth value.
Since there can be only one instance of None, is would be the preferred way to check...
What is the difference between Class and Klass in ruby?
What is the difference between Class and Klass?
4 Answers
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Copy folder recursively, excluding some folders
...ript that will copy the entire contents of a folder including hidden files and folders into another folder, but I want to exclude certain specific folders. How could I achieve this?
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Vim multiline editing like in sublimetext?
I started to use gvim, and I can't quite understand how the multiline edit works in gvim.
7 Answers
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The request was aborted: Could not create SSL/TLS secure channel
...12;
// Use SecurityProtocolType.Ssl3 if needed for compatibility reasons
And now, it works perfectly.
ADDENDUM
As mentioned by Robin French; if you are getting this problem while configuring PayPal, please note that they won't support SSL3 starting by December, 3rd 2018. You'll need to use TLS...
What does 'low in coupling and high in cohesion' mean
I have problems understanding the statement low in coupling and high in cohesion . I have googled and read a lot about this, but still finding it hard to understand.
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How to remove unwanted space between rows and columns in table?
How do I remove the extra space between the rows and columns in the table.
14 Answers
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