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No ConcurrentList in .Net 4.0?
...Add and provide random read-only access by index (but no Insert, RemoveAt, etc., and also no random write access).
This was the goal of my ConcurrentList<T> implementation. But when I tested its performance in multithreaded scenarios, I found that simply synchronizing adds to a List<T> ...
Where can I learn how to write C code to speed up slow R functions? [closed]
...simpler code, less boilerplate, no PROTECT/UNPROTECT, no memory management etc pp. Doug Bates just yesterday stated that he finds C++ and Rcpp to be much more like writing R than writing C++. YMMV and all that.
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How to include package data with setuptools/distribute?
... ('bitmaps', ['bm/b1.gif', 'bm/b2.gif']),
('/opt/local/myproject/etc', ['myproject/config/settings.py', 'myproject/config/other_settings.special']),
('/opt/local/myproject/etc', [os.path.join('myproject/config', 'cool.huh')]),
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('/opt/local/myproject/etc', [os.path.join('m...
oracle10g 网址收藏 - ORACLE - 清泛IT论坛,有思想、有深度
载OTN上的这些软件,你需要一个OTN免费帐号,不过如果通过迅雷进行下载,就不用登陆OTN了:
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (32-bit)
http://download.oracle.com/otn/nt/oracle10g/10201/10201_database_win32.z...
How can I add reflection to a C++ application?
...trospect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this information?
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How to make MySQL handle UTF-8 properly
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It didn't work in my case but I created file my.cf in /etc with given content anyway. I used create table my_name(field_name varchar(25) character set utf8);
– Marek Bar
Jul 9 '12 at 11:43
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Add a new column to existing table in a migration
...s
All of the commands for making things (controllers, models, migrations etc) have been moved under the make: command.
php artisan migrate is still the same though.
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Rails raw SQL example
...s.rubyonrails.org/active_record_querying.html
and in associations, scopes, etc. You could probably construct the same SQL with ActiveRecord relational queries and can do cool things with ARel as Ernie mentions in http://erniemiller.org/2010/03/28/advanced-activerecord-3-queries-with-arel/. And, of c...
Why does Python code use len() function instead of a length method?
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len, str, etc. can be used with higher-order functions like map, reduce, and filter without the need to define a function or lambda just to call a method. Not everything revolves around OOP, even in Python.
– Evic...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...了source
2.编译。解压后进入curl的目录,直接执行 make all 就行。
3.等待编译结束后,可以查看目录结构。
curl/include/curl : 头文件目录 (一般只要包含curl.h即可)
curl/lib/.lib/ : lib文件目录(有libcurl.a和li...