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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...verhead for creating a thread to handle a function call is something like 10000 or more times slower than a plain function call. So, if you're issuing a lot of small function calls, a thread pool might be a good idea.
It's quite apparent that the standard C++ library that ships with g++ doesn't hav...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...erhill/article/details/18716559
http://www.cnblogs.com/xianyunhe/archive/2011/09/25/2190485.html
http://blog.sina.com.cn/s/blog_6e51df7f01015cci.html
感谢原作者的无私奉献。
通过VC实现对Excel表格的操作的方法有多种，如：通过ODBC数据库实现，通过解析Excel...
How can I specify a local gem in my Gemfile?
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answered Dec 20 '10 at 8:51
Jimmy CuadraJimmy Cuadra
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Scala: Nil vs List()
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edited May 8 '13 at 20:49
answered May 12 '11 at 17:28
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Export from sqlite to csv using shell script
...qlite.db <<!
.headers on
.mode csv
.output out.csv
select * from eS1100_sensor_results;
!
instead.
sh/bash methods
You can either call your script with a redirection:
$ your_script >out.csv
or you can insert the following as a first line in your script:
exec >out.csv
The former method...
HTML img scaling
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answered Aug 28 '09 at 15:21
RiddlerDevRiddlerDev
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Maximum MIMEType Length when storing type in DB
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answered Mar 13 '09 at 17:28
ax.ax.
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What is float in Java?
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180
In Java, when you type a decimal number as 3.6, its interpreted as a double. double is a 64-bit ...
MongoDB aggregation framework match OR
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170
$match: { $or: [{ author: 'dave' }, { author: 'john' }] }
Like so, since the $match operator j...
Detect when an HTML5 video finishes
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edited Jul 15 '15 at 20:05
Mark Amery
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