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How to pass argument to Makefile from command line?

... Thanks. I had been reading that manual and I didn't consider at first, that %: was actually % :, a wildcard type target name. I don't see anything in that manual page regarding @: though... it does suggest that a "do-nothing" rule would simply...
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Configure nginx with multiple locations with different root folders on subdomain

... He doesn't need alias. Please, read the official docs, not the community wiki filled by users. Quote: When location matches the last part of the directive's value it is better to use the root directive. – VBart Jul 20...
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How to properly seed random number generator

... avoid pitfalls of clock based seed values by simply using the crypto/rand.Read as source for your seed. It will give you that non-deterministic quality that you are probably looking for in your random numbers (even if the actual implementation itself is limited to a set of distinct and deterministi...
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How to get all possible combinations of a list’s elements?

...nt(subset) Or -- if you want to get snazzy (or bend the brain of whoever reads your code after you) -- you can generate the chain of "combinations()" generators, and iterate through that: from itertools import chain, combinations def all_subsets(ss): return chain(*map(lambda x: combinations(s...
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How do I overload the [] operator in C# [duplicate]

...ue(index); } You can also add a set accessor so that the indexer becomes read and write rather than just read-only. public int this[int index] { get => GetValue(index); set => SetValue(index, value); } If you want to index using a different type, you just change the signature of t...
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What is better, curl or wget? [closed]

...h CURL, I frequently encounter error 18 - transfer closed with outstanding read data remaining (see stackoverflow.com/questions/1759956/…). This error I mostly get while trying to use it in Perl scripts, but WGET never gives me such issues. Shouldn't this be taken into consideration? ...
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Where can I download Jai and Jai-imageio? [closed]

...n and ImageJ, too, but do not know if and how they give you the ability to read the pixelcolor. But as long as you can get a BufferedImage in Java you should be able to do what is needed. share | i...
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How to expand a list to function arguments in Python [duplicate]

... You should use the * operator, like foo(*values) Read the Python doc unpackaging argument lists. Also, do read this: http://www.saltycrane.com/blog/2008/01/how-to-use-args-and-kwargs-in-python/ def foo(x,y,z): return "%d, %d, %d" % (x,y,z) values = [1,2,3] # the solu...
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What is the difference between List and ArrayList? [duplicate]

...rface doesn't implement any methods). That's called polymorphism. You can read up on it. share | improve this answer | follow | ...
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libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术

...rn 1; } sockfd = sockextr; /* wait for the socket to become ready for sending */ //if(!wait_on_socket(sockfd, 0, 60000L)) //{ // printf("Error: timeout.\n"); // return 1; //} puts("Sending request."); /* Send the request. Real applications should c...