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Why do python lists have pop() but not push()
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Because "append" existed long before "pop" was thought of. Python 0.9.1 supported list.append in early 1991. By comparison, here's part of a discussion on comp.lang.python about adding pop in 1997. Guido wrote:
To implement a stack, one would need
to a...
Increase number of axis ticks
I'm generating plots for some data, but the number of ticks is too small, I need more precision on the reading.
5 Answers...
Python append() vs. + operator on lists, why do these give different results?
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To explain "why":
The + operation adds the array elements to the original array. The array.append operation inserts the array (or any object) into the end of the original array, which results in a reference to self in that spot (hence the infinite recursion).
The difference here is that th...
Change default timeout for mocha
... methods if you want a global default of 5000 but set something different for some files.
Note that you cannot generally use an arrow function if you are going to call this.timeout (or access any other member of this that Mocha sets for you). For instance, this will usually not work:
describe("s...
1114 (HY000): The table is full
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EDIT: First check, if you did not run out of disk-space, before resolving to the configuration-related resolution.
You seem to have a too low maximum size for your innodb_data_file_path in your my.cnf, In this example
innodb_data_file_path = ibdata1:10M:autoextend:max:512M
you can...
How to merge two arrays in JavaScript and de-duplicate items
...re is no 'built in' way to remove duplicates (ECMA-262 actually has Array.forEach which would be great for this), we have to do it manually:
Array.prototype.unique = function() {
var a = this.concat();
for(var i=0; i<a.length; ++i) {
for(var j=i+1; j<a.length; ++j) {
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Check existence of directory and create if doesn't exist
... a lot of output. I find it cleaner to put this output into it's own directory(s). What I've written below will check for the existence of a directory and move into it, or create the directory and then move into it. Is there a better way to approach this?
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Core pool size vs maximum pool size in ThreadPoolExecutor
What exactly is the difference between core pool size and maximum pool size when we talk in terms of ThreadPoolExecutor ?
Can it be explained with the help of an example?
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Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...ervlets, one can access the response body via response.getOutputStream() or response.getWriter() . Should one call .close() on this OutputStream after it has been written to?
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What are “named tuples” in Python?
...tuple instances can be referenced using object-like variable dereferencing or the standard tuple syntax. They can be used similarly to struct or other common record types, except that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in...