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What's the point of map in Haskell, when there is fmap?

...make an answer to draw attention to augustss's comment: That's not actually how it happens. What happened was that the type of map was generalized to cover Functor in Haskell 1.3. I.e., in Haskell 1.3 fmap was called map. This change was then reverted in Haskell 1.4 and fmap was introduced. The ...
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When is a C++ destructor called?

Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete ...
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Split code over multiple lines in an R script

... Bah, comments are too small. Anyway, @Dirk is very right. R doesn't need to be told the code starts at the next line. It is smarter than Python ;-) and will just continue to read the next line whenever it considers the statement as "not finished". ...
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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...e用户的SQL执行历史记录?select * from v$sqlarea t order by t LAST_ACTIVE_TIME desc注意 :执行此语句等等一些相关的语句 必须具有DBA 的权限 虽然 select * from v$sqlarea t order by t.LAST_ACTIVE_TIME desc 注意 :执行此语句等等一些相关的语句 必...
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind

...ger() and window.location also, and I can make it work as intended with all three. 10 Answers ...
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find -exec with multiple commands

...tring" {} \; – rajeev Jan 22 '13 at 16:08 53 @rajeev The second exec will only run if the return ...
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How to export DataTable to Excel

....Select(val => $"\"{val}\""))); lines.AddRange(valueLines); File.WriteAllLines("excel.csv", lines); This will write a new file excel.csv into the current working directory which is generally either where the .exe is or where you launch it from. ...
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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights

...each cell's content and subviews determine the row height (itself/automatically), while maintaining smooth scrolling performance? ...
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How do I iterate over a JSON structure? [duplicate]

... | edited Jul 12 '16 at 15:58 answered Jul 11 '09 at 0:51 ...
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Load view from an external xib file in storyboard

... Isn't it that loadNibNamed calls init(coder:)? I have a crash trying to adapt your approach. – Fishman Nov 14 '16 at 9:15 ...