...ieving that; one using itertools.count() to do the counting, the other manually counting in a generator function: from itertools import count def enumerate(it, start=0): # return an iterator that adds a counter to each element of it return zip(count(start), it) and def enumerate(it, sta...

...ng blocks by braces instead of indentation will never be implemented. Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division. So the line from __future__ import braces is taken to mean you want to enable ...

...through Python packages on the Python Package Index. Just download the tarball, unpack it, and have a look at the setup.py file. Or even better, only bother looking through packages that list a public source code repository such as one hosted on GitHub or BitBucket. You're bound to run into one on t...

... If you list all of window.navigator's properties using console.log(navigator); You'll see something like this # platform = Win32 # appCodeName = Mozilla # appName = Netscape # appVersion = 5.0 (Windows; en-US) # language = en-US # ...

...f particular interest here is the fact that cout is buffered. Even if the calls to write (or whatever it is that accomplishes that effect in that particular implementation) are guaranteed to be mutually exclusive, the buffer might be shared by the different threads. This will quickly lead to corrupt...

... Note that the double quotes around "${arr[@]}" are really important. Without them, the for loop will break up the array by substrings separated by any spaces within the strings instead of by whole string elements within the array. ie: if you had declare -a arr=("element 1" "ele...

... Native deep cloning It's called "structured cloning", works experimentally in Node 11 and later, and hopefully will land in browsers. See this answer for more details. Fast cloning with data loss - JSON.parse/stringify If you do not use Dates, funct...

...derscore, it attaches itself to the window object, and so is available globally. So you can use it from Angular code as-is. You can also wrap it up in a service or a factory, if you'd like it to be injected: var underscore = angular.module('underscore', []); underscore.factory('_', ['$window', fu...

...k for files with the name ending in _peaks.bed ! -path "./tmp/*" - Exclude all results whose path starts with ./tmp/ ! -path "./scripts/*" - Also exclude all results whose path starts with ./scripts/ Testing the Solution: $ mkdir a b c d e $ touch a/1 b/2 c/3 d/4 e/5 e/a e/b $ find . -type f ! -p...

...ing the fields for additional information. This one-to-one model is often called a profile model, as it might store non-auth related information about a site user. That said, extending django.contrib.auth.models.User and supplanting it also works... Substituting a custom User model Some kinds of p...