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When exactly is it leak safe to use (anonymous) inner classes?
...y tough question. While you may think it is just one question, you are actually asking several questions at once. I'll do my best with the knowledge that I have to cover it and, hopefully, some others will join in to cover what I may miss.
Nested Classes: Introduction
As I'm not sure how comfortab...
Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...模块/目录等级的代码“ownership”上添加标签，例如：
__reviewer__ = 'vanessa, kornel'
如果提交新变更，系统就自动会分析文件（或其上层目录），将新审查者的名字添加到提交数据中。我们还有额外的规则将代码审核派发给合适的...
Fastest check if row exists in PostgreSQL
...f a single row from the batch exists in the table because then I know they all were inserted.
8 Answers
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How to select only 1 row from oracle sql?
... @ypercube far as I can tell, it does. (At least it works for my installation of oracle10g.)
– user684934
Jan 19 '12 at 0:28
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Should I store entire objects, or pointers to objects in containers?
... storing pointers into vector can be efficient if used along with a custom allocator for the pointees. The custom allocator has to take care of the cache locality, for example using placement new (see en.wikipedia.org/wiki/Placement_syntax#Custom_allocators).
– amit
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How SID is different from Service name in Oracle tnsnames.ora
... So, in your example, there might be SIDs Sales1, Sales2, and Sales3, all of which are available via service name Sales?
– user565869
Sep 4 '14 at 16:51
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How to send HTML-formatted email? [duplicate]
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Setting isBodyHtml to true allows you to use HTML tags in the message body:
msg = new MailMessage("xxxx@gmail.com",
"yyyy@gmail.com", "Message from PSSP System",
"This email sent by the PSSP system<br />" +
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How to access command line parameters?
...he command line. fn main() is only shown with an empty parameter list in all examples.
11 Answers
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Convert Unix timestamp to a date string
...ecognizes neither -d nor -r and provides no standard way in any command at all (that I know of) to format a Unix time from the command line (since POSIX Awk also lacks strftime()). (You can't use touch -t and ls because the former does not accept a time given as seconds since the Unix Epoch.)
Note...
Regular vs Context Free Grammars
...ammar is either right or left linear, whereas context free grammar is basically any combination of terminals and non-terminals. Hence you can see that regular grammar is a subset of context-free grammar.
So for a palindrome for instance, is of the form,
S->ABA
A->something
B->something
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