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On localhost, how do I pick a free port number?

...how you will know if a port is unusable (used by another process, in other words) on your computer. However, in your case, you shouldn't have a problem using a single hard-coded port for your listener, as long as you print an error message if the bind fails. Note also that most of your sockets (...
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How to override the copy/deepcopy operations for a Python object?

...inserts copies into it of the objects found in the original. In other words: copy() will copy only the top element and leave the rest as pointers into the original structure. deepcopy() will recursively copy over everything. That is, deepcopy() is what you need. If you need to do something re...
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Does pandas iterrows have performance issues?

...f) where pandas methods do not have vectorized (in the truest sense of the word) implementations. Do you think it is worth mentioning LCs are a faster, lower overhead alternative to pandas apply and many pandas string functions? – cs95 Apr 14 '19 at 5:21 ...
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How can I add a PHP page to WordPress?

I want to create a custom page for my WordPress blog that will execute my PHP code in it, whilst remaining a part of the overall site CSS/theme/design. ...
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How can I tell if my server is serving GZipped content?

... no compression: And the following if there IS compression: In other words, the same number, top and bottom, means no compression. share | improve this answer | follow ...
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What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?

...eout at its default (presumably 30), will the connection timeout? In other words, do I have to set both properties? It sounds like you are saying "no," but I must have forgotten about the SqlConnection.ConnectionTimeout property and started questioning whether setting CommandTimeout does everything ...
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What does 'const static' mean in C and C++?

...iables to be declared in header files without always needing the static keyword to avoid breaking the ODR. Class Scope class A { public: static const int i = 0; }; In the above example, the standard explicitly specifies that 'i' does not need to be defined if its address is not required. In ot...
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Random string generation with upper case letters and digits

...about iterable, list comprehension, generators and eventually the yield keyword. – e-satis Nov 2 '11 at 14:54 1 ...
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How do I browse an old revision of a Subversion repository through the web view?

...: >Can I View Older Revisions? >With an ordinary web browser? In one word: nope. At least, not with mod_dav_svn as your only tool. – Zach Young Mar 3 '14 at 22:53 ...
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How to model type-safe enum types?

...ect. Symbol("foo !% bar -* baz") compiles and run perfectly fine. In other words you can perfectly create Symbol instances wrapping any string (you just cannot do it with the "single coma" syntactic sugar). The only thing that Symbol does guarantee is the uniqueness of any given symbol, making it ma...