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List of lists changes reflected across sublists unexpectedly

...wonder why * can't make independent objects the way the list comprehension does. That's because the multiplication operator * operates on objects, without seeing expressions. When you use * to multiply [[1] * 4] by 3, * only sees the 1-element list [[1] * 4] evaluates to, not the [[1] * 4 expression...
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Is it possible to do a sparse checkout without checking out the whole repository first?

...ry now that it supports sparse checkouts but every example that I can find does the following: 14 Answers ...
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How to detect duplicate values in PHP array?

... This solution does not cover any non-integer and non-string values and in conclusion it produces sideffects. – codekandis May 29 '18 at 12:18 ...
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What does |= (ior) do in Python?

...on of multisets contains the maximum multiplicities per entry. Note, this does not behave the same way as between two sets or between two regular dicts. Example Here we apply union (|) and the in-place union (|=) to Counters: import collections as ct >>> c1 = ct.Counter({2: 2, 3: 3}) &gt...
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Why does MYSQL higher LIMIT offset slow the query down?

... Does this work if there are gaps? What if you don't have a single unique key (a composite key for example)? – xaisoft Aug 8 '13 at 17:51 ...
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Does Python's time.time() return the local or UTC timestamp?

Does time.time() in the Python time module return the system's time or the time in UTC? 8 Answers ...
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What does it mean to hydrate an object?

When someone talks about hydrating an object, what does that mean? 4 Answers 4 ...
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Does python have a sorted list?

... Though it does not (yet) provide a custom search function, the heapq module may suit your needs. It implements a heap queue using a regular list. You'd have to write your own efficient membership test that makes use of the queue's inte...
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What does Connect.js methodOverride do?

...post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f8378338%2fwhat-does-connect-js-methodoverride-do%23new-answer', 'question_page'); } ); Post as a guest ...
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What does value & 0xff do in Java?

... What does the x mean in that notation? x isn't a number or a hex number? – Callat Dec 5 '16 at 18:56 3 ...