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What are the differences between Clojure, Scheme/Racket and Common Lisp?
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The people above missed a few things
Common Lisp has vectors and hash tables as well. The difference is that Common Lisp uses #() for vectors and no syntax for hash tables. Scheme has vectors, I believe
Common Lisp has reader macros, which allow you to use new brackets (as does Racket, a descen...
What's HTML character code 8203?
...g you don't know how to target. (i tried working with get_html_translation_table(HTML_ENTITIES) and ord() but still couldn't win) this finally gave me the handle i needed to move forward! THANK YOU!!!
– aequalsb
Feb 17 '17 at 22:26
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Entity Framework .Remove() vs. .DeleteObject()
...n satisfied, requires every value of one attribute (column) of a relation (table) to exist as a value of another attribute in a different (or the same) relation (table), so when relationship is Optional we break the data Integrity rule
– Mohammadreza
Jul 15 '14...
What makes a keychain item unique (in iOS)?
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It may help to think of the kSecClass attribute as the table name, and the specified values above as just the primary key of the respective table.
– bobobobo
Oct 11 '13 at 12:33
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What is the difference between a symbolic link and a hard link?
...emoves one link to the underlying inode. The inode is only deleted (or deletable/over-writable) when all links to the inode have been deleted.
A symbolic link is a link to another name in the file system.
Once a hard link has been made the link is to the inode. Deleting, renaming, or moving the or...
Laravel 4 Eloquent Query Using WHERE with OR AND OR?
...', '=', $d);
})->get();
Will produce a query like:
SELECT * FROM <table> WHERE (a='foo' or b='bar') AND (c='john' or d='doe');
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tion is indicating a problem with one or more parameters.
WSAINVALIDPROCTABLE (OS dependent) Invalid procedure table from service provider.
A service provider returned a bogus proc table to WS2_32.DLL. (Usually caused by one or more of the function pointers being NULL.)
WSAINVALIDPROVIDER ...
C++ unordered_map using a custom class type as the key
...called "bucket count". A bucket is a slot in the container's internal hash table, see e.g. unordered_map::bucket_count for more information.
– honk
Feb 15 at 8:23
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How can I solve a connection pool problem between ASP.NET and SQL Server?
...e system stored procedures return information from the sysprocesses system table that shows the status of and information about all working processes. Generally, you'll see one server process ID (SPID) per connection. If you named your connection by using the Application Name argument in the connect...
How to use MySQL DECIMAL?
...1 to 99.9999 like you asked you would need the following statement
CREATE TABLE your_table
(
your_column DECIMAL(6,4) NOT NULL
);
The column definition follows the format DECIMAL(M, D) where M is the maximum number of digits (the precision) and D is the number of digits to the right of the de...