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Usage of protocols as array types and function parameters in swift
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or let foo = SomeClass<MyMemberClass>()
– DarkDust
Jul 22 '14 at 14:18
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Using python map and other functional tools
...earn. A fundamental rule in functional programming is that every time you call a function with the same arguments, you ALWAYS get the same output. This avoids a vipers nest of bugs introduced by having global state. As maptest depends on an external definition of bars, this principle is broken.
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
In the following code, the first call to foo is ambiguous, and therefore fails to compile.
1 Answer
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How can I capitalize the first letter of each word in a string?
...ith an 'that had words right after it and then closed'". With this example all the worlds except for that are capitalized as expected. The results being "There Once Was A String With An 'that Had Words Right After It And Then Closed'"
– devonbleibtrey
Mar 25 '1...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...有语句执行，就不要写这个else。
还要注意，sh里的if [ $foo -eq 0 ]，这个方括号跟Java/PHP里if后面的圆括号大不相同，它是一个可执行程序（和cd, ls, grep一样），相不到吧？在CentOS上，它在/usr/bin目录下：
ll /usr/bin/[
-rwxr-xr-x. 1 ro...
Why can't I forward-declare a class in a namespace using double colons?
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All other answers were confusing to me but this "you can't declare a class within a namespace from outside that namespace. You have to be in the namespace." was very helpful hint to remember.
– dashesy
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How do I properly escape quotes inside HTML attributes?
...ric html entities over named entities, in that named entities do not cover all characters, while numeric entities do. The full HTML4 list is at w3.org/TR/html4/sgml/entities.html .
– atk
Oct 25 '10 at 14:42
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Python's equivalent of && (logical-and) in an if-statement
... different name in Python.
The logical operators && and || are actually called and and or.
Likewise the logical negation operator ! is called not.
So you could just write:
if len(a) % 2 == 0 and len(b) % 2 == 0:
or even:
if not (len(a) % 2 or len(b) % 2):
Some additional information (...
git mv and only change case of directory
...e case there and not have the wrong case appear anywhere in the history at all. You have to be careful if you do this as the commit hashes from then on will be different and others will have to rebase or re-merge their work with that recent past of the branch.
This is related to correcting the name...
Can I escape html special chars in javascript?
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I think regular expressions in replace() calls are unnecessary. Plain old single-character strings would do just as well.
– jamix
May 30 '14 at 14:47
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