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Find index of last occurrence of a substring in a string
... recent call last):
File "<stdin>", line 1, in <module>
ValueError: substring not found
The difference is when the substring is not found, rfind() returns -1 while rindex() raises an exception ValueError (Python2 link: ValueError).
If you do not want to check the rfind() return cod...
Set every cell in matrix to 0 if that row or column contains a 0
... row and column are both 1s.
Coding it will be tricky to avoid off-by-one errors etc but it should work in one pass.
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Which characters need to be escaped when using Bash?
... FYI bash's %q was broken for a long time - If my mind serves me well, an error was fixed (but might still be broken) in 2013 after being broken for ~10 years. So don't rely on it.
– Jo So
Feb 3 '17 at 17:36
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汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
....COM即可。现在，磁盘上应该有 SMILE.COM 文件了，你只要在提示符号C：>下，直接输入文件名称 SMILE ，就可以执行这个程序了。
你是否觉得用编译器产生程序的方法，比 DEBUG 麻烦多了！以小程序而言，的确是如此，但对于较...
How to convert / cast long to String?
...) ?
– Marcelo Assis
Feb 8 '12 at 13:05
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@MarceloAssis.. concat is about 2x slower. If performanc...
How do I determine k when using k-means clustering?
... clear is how you choose the value of k. Is it just a matter of trial and error, or is there more to it?
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Useful code which uses reduce()? [closed]
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answered Jul 17 '10 at 17:05
ssolerssoler
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ModelState.IsValid == false, why?
Where can I find the list of errors of which make the ModelState invalid? I didn't see any errors property on the ModelState object.
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Reading a file line by line in Go
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From the same docs.. "If ReadString encounters an error before finding a delimiter, it returns the data read before the error and the error itself (often io.EOF)." So you can just check for io.EOF error and know your are done.
– eduncan911
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In pure functional languages, is there an algorithm to get the inverse function?
... "chase" a solution while we explore a design space using "undefined" and "error" during development). A "bottom" x has the type a. It "inhabits" (or is a "value") of every type. This is a logical contradiction, since types are propositions and there is no value which satisfies every proposition....