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Handling very large numbers in Python
...ly large numbers. In Python 2.5+, this type is called long and is separate from the int type, but the interpreter will automatically use whichever is more appropriate. In Python 3.0+, the int type has been dropped completely.
That's just an implementation detail, though — as long as you have vers...
Definition of a Balanced Tree
... For any node in AVL, the height of its left subtree differs by at most 1 from the height of its right subtree.
Next question, what is "height"?
The "height" of a node in a binary tree is the length of the longest path from that node to a leaf.
There is one weird but common case:
Peop...
How are GCC and g++ bootstrapped?
...mplemented in C++ but translated by what Stroustrup calls a "preprocessor" from C++ to C; not a full compiler by his definition, but still C++ was bootstrapped in C.
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What's the best way to retry an AJAX request on failure using jQuery?
...'t get called on the retry. Here's my solution, which is heavily borrowed from @cjpak's answer here. In my case I want to retry when AWS's API Gateway responds with 502 error.
const RETRY_WAIT = [10 * 1000, 5 * 1000, 2 * 1000];
// This is what tells JQuery to retry $.ajax requests
// Ideas for...
Singleton pattern in nodejs - is it needed?
... different filename based on the location of the calling
module (loading from node_modules folders), it is not a guarantee that
require('foo') will always return the exact same object, if it would
resolve to different files.
Additionally, on case-insensitive file systems or operating syst...
Gson: Directly convert String to JsonObject (no POJO)
...g into, prior to converting to JsonObject . Is there a way to go directly from a String to JsonObject ?
9 Answers
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Submit HTML form on self page
...s not allow action="" (empty attribute). It is against the specification.
From this other Stack Overflow answer.
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How do I format a number in Java?
...
From this thread, there are different ways to do this:
double r = 5.1234;
System.out.println(r); // r is 5.1234
int decimalPlaces = 2;
BigDecimal bd = new BigDecimal(r);
// setScale is immutable
bd = bd.setScale(decimalPla...
Using Python's os.path, how do I go up one directory?
I recently upgrade Django from v1.3.1 to v1.4.
14 Answers
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
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this worked for me also, saved me from updating postges
– Rich
Oct 12 '17 at 12:56
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