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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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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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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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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...
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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Is it possible to make the -init method private in Objective-C?
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Objective-C, like Smalltalk, has no concept of "private" versus "public" methods. Any message can be sent to any object at any time.
What you can do is throw an NSInternalInconsistencyException if your -init method is invoked:
- (id)init {
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querySelector, wildcard element match?
...to do a wildcard element name match using querySelector or querySelectorAll ? I see support for wildcards in attribute queries but not for the elements themselves.
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Argparse: Required arguments listed under “optional arguments”?
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Parameters starting with - or -- are usually considered optional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their desig...
