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Centering a view in its superview using Visual Format Language
I just started learning AutoLayout for iOS and had a look at Visual Format Language.
14 Answers
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Detecting endianness programmatically in a C++ program
...me - for OS which support multi-architecture (fat binary on Mac os x for example), this will work for both ppc/i386, whereas it is very easy to mess things up otherwise.
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Should I use a data.frame or a matrix?
...els. Comments aren't good places for code, so see if the Q has been asked & answered before and if not ask a new question.
– Gavin Simpson
Jul 20 '15 at 14:56
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OS X: equivalent of Linux's wget
...-1.17.1
./configure --with-ssl=openssl -with-libssl-prefix=/usr/local/ssl && make -j8 && make install
Or, use a bash alias:
function _wget() { curl "${1}" -o $(basename "${1}") ; };
alias wget='_wget'
sha...
Can I use a min-height for table, tr or td?
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It isn't nice at all!
– Ahmad
Aug 9 at 10:16
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How to create local notifications?
How can I setup local notifications so that at the time I set, my app generates a notification/alert with a customized message?
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Selenium WebDriver: Wait for complex page with JavaScript to load
...ing().equals("complete");
}
};
return wait.until(jQueryLoad) && wait.until(jsLoad);
}
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VC/Linux C++ 递归访问目录下所有文件 - c++1y / stl - 清泛IT社区，为创新赋能！
...nd,"\\*.*");
    HANDLE hFind=::FindFirstFile(szFind,&FindFileData);
    if(INVALID_HANDLE_VALUE == hFind)    return;
   
    while(TRUE)
    {
        if(FindFileData.dwFileAttributes & FIL...
Creating a singleton in Python
... #2, but you're better off using a metaclass than a base class. Here is a sample implementation:
class Singleton(type):
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
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How to search and replace text in a file?
...do this yourself instead. Redirecting sys.stdout isn't a great idea, especially if you're doing it without a try..finally like fileinput does. If an exception gets raised, your stdout might never get restored.
– craigds
Dec 18 '14 at 3:09
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