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Example JavaScript code to parse CSV data
...ry single edge case presented in RFC 4180, as well as some that pop up for Excel/Google spreadsheet exports (i.e., mostly involving null values) that the specification is missing.
Example:
track,artist,album,year
Dangerous,'Busta Rhymes','When Disaster Strikes',1997
// Calling this
music = $.csv.t...
Implementing Fast and Efficient Core Data Import on iOS 5
...
Excellent answer. I'll try these ideas today and see what I discover. Thank you!
– David Weiss
May 11 '12 at 12:55
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What does yield mean in PHP?
...y return values but it also accepts them. For details on this, see the two excellent blog posts linked below.
Since when can I use yield?
Generators have been introduced in PHP 5.5. Trying to use yield before that version will result in various parse errors, depending on the code that follows the ...
Are custom elements valid HTML5?
...on and reuse not possible with script
libraries today.
However, from this excellent walk through article on Google Developers about Custom Elements v1:
The name of a custom element must contain a dash (-). So <x-tags>, <my-element>, and <my-awesome-app> are all valid names, while...
快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...差却是一样的，只是，风险要远小于单边投机。
刚刚在Excel里统计看了下，20万账户，从6月14号开始至今日25号，共计7个交易日，一共由软件自动交易946手（每次下单都是1手、1手下的），开仓500手，平仓446手，现在持仓54手。
...
Why is SCTP not much used/known
...e of them)
Learning curve: Not much toolchain to play with SCTP (check the excellent withsctp that combines nicely with netcat or use socat, 2020 edit: nmap supports it for a few years now )
Under the hood: Used mostly in telecom and everytime you send SMS, start surfing the net on your mobile or ma...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
In this excellent SO question , differences between CTE and sub-queries were discussed.
4 Answers
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Node.js on multi-core machines
...ne box, one per core and split request traffic between them. This provides excellent CPU-affinity and will scale throughput nearly linearly with core count.
Scaling throughput on a webservice
Since v6.0.X Node.js has included the cluster module straight out of the box, which makes it easy to se...
How many constructor arguments is too many?
...
Sometimes it is simply not possible. Consider an Excel file with 50 columns that need to be processed. The idea of MyExcelFileLine class having a constructor with 50 arguments is quite scary.
– anar khalilov
Mar 28 '16 at 13:07
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How does RewriteBase work in .htaccess
...ading your rules will grasp these more easily.
Quoting from Jon Lin's excellent in-depth answer here:
In an htaccess file, mod_rewrite works similar to a <Directory> or <Location> container. and the RewriteBase is used to provide a relative path base.
For example, say you have thi...