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Is there a Python equivalent of the C# null-coalescing operator?
In C# there's a null-coalescing operator (written as ?? ) that allows for easy (short) null checking during assignment:
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Convert SQLITE SQL dump file to POSTGRESQL
I've been doing development using SQLITE database with production in POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database.
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What is 'Pattern Matching' in functional languages?
...ing about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages.
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Batch file. Delete all files and folders in a directory
I want to have a batch file that will delete all the folders and files in my cache folder for my wireless toolkit.
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What is 'Context' on Android?
In Android programming, what exactly is a Context class and what is it used for?
30 Answers
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How to join two sets in one line without using “|”
Assume that S and T are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
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Convert datetime to Unix timestamp and convert it back in python
I have dt = datetime(2013,9,1,11) , and I would like to get a Unix timestamp of this datetime object.
11 Answers
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Unnamed/anonymous namespaces vs. static functions
A feature of C++ is the ability to create unnamed (anonymous) namespaces, like so:
11 Answers
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Split string on whitespace in Python [duplicate]
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Discuz与phpsso整合时无法同步登录：通过js load 另一个 script 文件导致的...
Discuz与phpsso整合时无法同步登录：通过js load 另一个 script 文件导致的问题，phpsso document.write 没有执行在 web 开发中，出于跨域同步、远程调用等目的，经常需要在网页中通过 script 加载另一段远程 script。最常用最简单的方法就...