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Storing Python dictionaries
I'm used to bringing data in and out of Python using CSV files, but there are obvious challenges to this. Are there simple ways to store a dictionary (or sets of dictionaries) in a JSON or pickle file?
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What's the difference between UTF-8 and UTF-8 without BOM?
...xEF, 0xBB, 0xBF) that allows the reader to more reliably guess a file as being encoded in UTF-8.
Normally, the BOM is used to signal the endianness of an encoding, but since endianness is irrelevant to UTF-8, the BOM is unnecessary.
According to the Unicode standard, the BOM for UTF-8 files is not...
What is the motivation for bringing Symbols to ES6?
As you may know they are planning to include new Symbol primitive type in ECMAScript 6 (not to mention some other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate thi...
Select top 10 records for each category
I want to return top 10 records from each section in one query. Can anyone help with how to do it? Section is one of the columns in the table.
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What is the difference between a schema and a table and a database?
...00blike (or worse) question. But I've always viewed a schema as a table definition in a database. This is wrong or not entirely correct. I don't remember much from my database courses.
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How to convert a string with comma-delimited items to a list in Python?
How do you convert a string into a list?
14 Answers
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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?
In Map Reduce programming the reduce phase has shuffling, sorting and reduce as its sub-parts. Sorting is a costly affair.
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What is the fastest way to compare two sets in Java?
I am trying to optimize a piece of code which compares elements of list.
9 Answers
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Parse JSON in TSQL
Is it possible to parse JSON in TSQL ?
9 Answers
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How to re-create database for Entity Framework?
I have got into a bad state with my ASP.Net MVC 5 project, using Code-First Entity Framework. I don't care about losing data, I just want to be able to start fresh, recreate the database and start using Code-First migrations.
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