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Interview question: Check if one string is a rotation of other string [closed]
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@Jon Concentrate on s1+s1. Clearly, all of its substrings with size s1.length are rotations of s1, by construction. Therefore, any string of size s1.length that is a substring of s1+s1 must be a rotation of s1.
– Daniel C. Sobral
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Detect if an input has text in it using CSS — on a page I am visiting and do not control?
... script will work in Chrome, or Firefox with Greasemonkey or Scriptish installed, or in any browser that supports userscripts (i.e. most browsers, except IE).
See a demo of the limits of CSS plus the javascript solution at this jsBin page.
// ==UserScript==
// @name _Dynamically style inputs b...
Test a weekly cron job [closed]
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This really shouldn't have been upvoted and accepted, beyond running the script it does nothing to tell you whether the script will actually work when run from cron. Use the excellent crontest script in one of the other answers to t...
Bytecode features not available in the Java language
...case of the invokespecial bytecode is handled for this class. It is set by all modern Java compilers (where "modern" is >= Java 1.1, if I remember correctly) and only ancient Java compilers produced class files where this was un-set. This flag exists only for backwards-compatibility reasons. Note...
Select random row from a sqlite table
... the day seeded with unix epoc for today at noon so it shows the same book all day even if the query is run multiple times. Yes I know caching is more efficient for this use case just an example.
– danielson317
Apr 22 at 17:18
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Loading and parsing a JSON file with multiple JSON objects
... contains JSON per line, you are saved the headaches of trying to parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and...
Protected in Interfaces
Why are all methods in an interface definition implicitly public ? Why does it not allow a protected method?
13 Answer...
UIView Infinite 360 degree rotation animation?
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This might help some one, [view.layer removeAllAnimations]; to stop animation when needed.
– arunit21
Aug 22 '14 at 13:57
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What's the difference between .so, .la and .a library files?
...t in memory). But what is the difference between .a and .la ? Are these all static libraries?
1 Answer
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How to unzip a list of tuples into individual lists? [duplicate]
...l))
[(1, 3, 8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen t...