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O(nlogn) Algorithm - Find three evenly spaced ones within binary string

....3^n-1 not containing 1 in their ternary expansion) - its density is n^(log_3 2) (circa 0.631). So any checking if the set isn't too large, and then checking all pairs is not enough to get O(n log n). You have to investigate the sequence smarter. A better lower bound is quoted here - it's n1-c/(log(...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

...* Build fingerprint: 'XXXXXXXXX' pid: 1658, tid: 13086 >>> system_server <<< signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 64696f7e r0 00000000 r1 00000001 r2 ad12d1e8 r3 7373654d r4 64696f72 r5 00000406 r6 00974130 r7 40d14008 r8 4b857b88 r9 4685adb4 10 0097413...
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Detecting value change of input[type=text] in jQuery

...query-keyup-doesnt-work-with-keycode-filtering?noredirect=1#comment38213480_24651811 This solution helped me to progress on my project. $("#your_textbox").on("input propertychange",function(){ // Do your thing here. }); Note: propertychange for lower versions of IE. ...
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Java string to date conversion

... 1234000000 V time-zone ID zone-id America/Los_Angeles; Z; -08:30 z time-zone name zone-name Pacific Standard Time; PST O localized zone-offset offset-O GMT+8; GMT+08:00; UTC-08:00; X zone-offset 'Z' for zero offset-X ...
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What does “coalgebra” mean in the context of programming?

... property and setPosition function: class C private x, y : Int _name : String public name : String position : (Int, Int) setPosition : (Int, Int) → C We need two parts to represent this class. First, we need to represent the internal state of the object; in th...
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Mutex example / tutorial? [closed]

...<thread> #include <mutex> std::mutex m;//you can use std::lock_guard if you want to be exception safe int i = 0; void makeACallFromPhoneBooth() { m.lock();//man gets a hold of the phone booth door and locks it. The other men wait outside //man happily talks to his wife from ...
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How do I remove the last comma from a string using PHP?

... Use the rtrim function: rtrim($my_string, ','); The Second parameter indicates the character to be deleted. share | improve this answer | ...
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated

...in web.xml, <context-param> <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> </context-param> and you are also not seeing any googlable errors and/or warnings in browser's JavaScript console (press F12 in Chrome/Fi...
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Please explain the exec() function and its family

...hat the child can do, and the parent halts until the child calls exec() or _exit(). The parent has to be stopped (and the child is not permitted to return from the current function) since the two processes even share the same stack. This is slightly more efficient for the classic use case of fork() ...
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How do I clear the terminal screen in Haskell?

... @Pradeep: No need to shout. (See en.wikipedia.org/wiki/All_caps#Internet ) – Jared Updike Mar 18 '10 at 18:57 add a comment  |  ...