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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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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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MFC子窗口和父窗口（SetParent,SetOwner） - C/C++ - 清泛网 - 专注C/C++及内核技术
...己的子窗口(child)。在MFC 的CWnd类中，所有者窗口保存在m_hWndOwner成员变量中，父窗口则保存在m_hParent中，但是这两个值并不一定和窗口对象数据结构中的值相对应。
窗口之间的关系，决定了窗口的外在表现。比如显示、销毁等...
Is there a way to comment out markup in an .ASPX page?
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answered Sep 23 '08 at 16:54
Herb CaudillHerb Caudill
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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...
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
1
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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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Java - No enclosing instance of type Foo is accessible
...provide runtime arguments makes it a bother to use a main method. This was all I needed and exactly what I was looking to find.
– Abandoned Cart
Jul 27 '16 at 6:03
add a comme...
How to fix Git error: object file is empty?
... the .git directory and run find . -type f -empty -delete -print to remove all empty files. Eventually git started telling me it was actually doing something with the object directories:
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git fsck --full
Checking object directories: 100% (256/256)...
Calculating distance between two points, using latitude longitude?
...Java code given by Dommer above gives slightly incorrect results but the small errors add up if you are processing say a GPS track. Here is an implementation of the Haversine method in Java which also takes into account height differences between two points.
/**
* Calculate distance between two po...