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Copying PostgreSQL database to another server
...and psql is for restoring. So, the first command in this answer is to copy from local to remote and the second one is from remote to local. More -> https://www.postgresql.org/docs/9.6/app-pgdump.html
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Updating address bar with new URL without hash or reloading the page
... This can now be done in Chrome, Safari, FF4+, and IE10pp3+! (From David Murdoch's answer to stackoverflow.com/questions/824349/… )
– Zach Lysobey
Dec 19 '11 at 17:48
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java.net.SocketException: Connection reset
I am getting the following error trying to read from a socket. I'm doing a readInt() on that InputStream , and I am getting this error. Perusing the documentation this suggests that the client part of the connection closed the connection. In this scenario, I am the server.
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How do I get the number of elements in a list?
...list in a boolean context - it treated as False if empty, True otherwise.
From the docs
len(s)
Return the length (the number of items) of an object. The argument may be a sequence (such as a string, bytes, tuple, list, or range) or
a collection (such as a dictionary, set, or frozen set).
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Convert bytes to a string
I'm using this code to get standard output from an external program:
19 Answers
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Why does this iterative list-growing code give IndexError: list assignment index out of range?
... I can see that this can be very confusing for those coming from other languages like PHP or C. j is a type of list, not an array. With list type, I don't think this is subscriptable. Very confusing if coming from other languages.
– Nguai al
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Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
...ll as the event, and populates originalEvent.detail, whose +/- is reversed from what is described above. It generally returns intervals of 3, while other browsers return scrolling in intervals of 120 (at least on my machine). To correct, we simply detect it and multiply by -40 to normalize.
@amusti...
How to process POST data in Node.js?
How do you extract form data ( form[method="post"] ) and file uploads sent from the HTTP POST method in Node.js ?
28 Ans...
Why don't C++ compilers define operator== and operator!=?
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That problem doesn't stop it from generating a copy ctor, where it's quite harmful.
– MSalters
Oct 20 '08 at 9:57
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...hat in Python 3.x, all classes are new-style. You can still use the syntax from the old-style classes but you get a new-style class. So, in Python 3.x you won't have this problem.
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