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capturing self strongly in this block is likely to lead to a retain cycle

How can I avoid this warning in xcode. Here is the code snippet: 7 Answers 7 ...
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Please explain the exec() function and its family

What is the exec() function and its family? Why is this function used and how does its work? 7 Answers ...
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Why doesn't java.util.Set have get(int index)?

I'm sure there's a good reason, but could someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method? ...
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How do I check for a network connection?

...on so far, I have implemented a periodic monitoring/polling system (simple HTTP GET requests because I was targeting a web server) which raises events when the server is detected as "down" (not reachable by HTTP) or "up" (reachable again). In the general case, you can define what "reliable" means in...
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What is the meaning of the term “thread-safe”?

...operations form the basis of many thread locking mechanisms. read more: http://en.wikipedia.org/wiki/Thread_safety in German: http://de.wikipedia.org/wiki/Threadsicherheit in French: http://fr.wikipedia.org/wiki/Threadsafe (very short) ...
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Specifically, what's dangerous about casting the result of malloc?

Now before people start marking this a dup, I've read all the following, none of which provide the answer I'm looking for: ...
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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Omit rows containing specific column of NA

I want to know how to omit NA values in a data frame, but only in some columns I am interested in. 8 Answers ...
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Python function as a function argument?

Can a Python function be an argument of another function? 10 Answers 10 ...
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What are rvalues, lvalues, xvalues, glvalues, and prvalues?

In C++03, an expression is either an rvalue or an lvalue . 11 Answers 11 ...