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Fastest way to flatten / un-flatten nested JSON objects
I threw some code together to flatten and un-flatten complex/nested JSON objects. It works, but it's a bit slow (triggers the 'long script' warning).
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u'\ufeff' in Python string
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The Unicode character U+FEFF is the byte order mark, or BOM, and is used to tell the difference between big- and little-endian UTF-16 encoding. If you decode the web page using the right codec, Python will remove it for you. Examples:
#!python2
#coding: utf8
u = u'ABC'...
How can I parse a time string containing milliseconds in it with python?
I am able to parse strings containing date/time with time.strptime
7 Answers
7
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How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS?
Using NodeJS, I want to format a Date into the following string format:
18 Answers
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Fastest way to list all primes below N
This is the best algorithm I could come up.
35 Answers
35
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How do I commit only some files?
...have two projects. One is the "official" project and the second is a light modification (some files added). I created new branch and I put new files to them. But in during development some files common to both branches is changed.
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how does multiplication differ for NumPy Matrix vs Array classes?
The numpy docs recommend using array instead of matrix for working with matrices. However, unlike octave (which I was using till recently), * doesn't perform matrix multiplication, you need to use the function matrixmultipy(). I feel this makes the code very unreadable.
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Checkbox for nullable boolean
My model has a boolean that has to be nullable
19 Answers
19
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Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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What is the @Html.DisplayFor syntax for?
I understand that in Razor, @Html does a bunch of neat things, like generate HTML for links, inputs, etc.
4 Answers
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