大约有 40,000 项符合查询结果(耗时:0.0586秒) [XML]

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Reset C int array to zero : the fastest way?

... long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset? ...
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iOS Detection of Screenshot?

...onger true. Apple has made it so touchesCancelled:withEvent: is no longer called when the user takes a screenshot. This would effectively break Snapchat entirely, so a couple betas in a new solution was added. Now, the solution is as simple as using NSNotificationCenter to add an observer to UIApp...
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Best way to organize jQuery/JavaScript code (2013) [closed]

...not up to date. I have over 2000 lines of code in a single file, and as we all know this is bad practice, especially when i'm looking through code or adding new features. I want to better organize my code, for now and for the future. ...
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What is the purpose of mock objects?

...s terms, can someone explain what mock objects are, and what they are typically used for when writing unit tests? 11 Answer...
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How to implement __iter__(self) for a container object (Python)

... I normally would use a generator function. Each time you use a yield statement, it will add an item to the sequence. The following will create an iterator that yields five, and then every item in some_list. def __iter__(self): ...
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Why does Python use 'magic methods'?

...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) . 7 Answers ...
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How do I clone a generic List in Java?

... docs.oracle.com/javase/8/docs/api/java/util/… Doesn't work because the list sizes are different. – MLProgrammer-CiM Mar 30 '16 at 17:59 ...
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Asking the user for input until they give a valid response

...logic. while True: data = input("Please enter a loud message (must be all caps): ") if not data.isupper(): print("Sorry, your response was not loud enough.") continue else: #we're happy with the value given. #we're ready to exit the loop. break w...
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How to get the input from the Tkinter Text Widget?

...he end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on. def retrieve_input(): input...
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Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively

...While the browser uses the values from your CSS to draw boxes, determining all the dimensions using JS is not straight-forward if you only have the CSS. That's why each element has six DOM properties for your convenience: offsetWidth, offsetHeight, clientWidth, clientHeight, scrollWidth and scrollH...