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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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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...
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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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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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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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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Where does mongodb stand in the CAP theorem?
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MongoDB is strongly consistent by default - if you do a write and then do a read, assuming the write was successful you will always be able to read the result of the write you just read. This is because MongoDB is a single-master system and all reads go to the primary by default. If y...
Different ways of loading a file as an InputStream
...Basically, you have 2 different methods: ClassLoader.getResourceAsStream() and Class.getResourceAsStream(). These two methods will locate the resource differently.
In Class.getResourceAsStream(path), the path is interpreted as a path local to the package of the class you are calling it from. For exa...