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Indexes of all occurrences of character in a string

...onger than a single character, then it is possible, by analyzing the guess string, to loop through word faster than the above loops do. The benchmark for such an approach is the Boyer-Moore algorithm. However, the conditions that would favor using such an approach do not seem to be present.] ...
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Javascript calculate the day of the year (1 - 366)

... that for 0-based month values, one just needs to remove the -- from --m. Extra: Note, don't use this day's per month algorithm if you need just max day's per month. In that case there is a more efficient algorithm (because we only need leepYear when the month is February) I posted as answer this q...
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What is the performance cost of having a virtual method in a C++ class?

...roblem specific to..." it's a tad worse for virtual dispatch as there's an extra page (or two if it happens to fall across a page boundary) that has to be in cache - for the class's Virtual Dispatch Table. – Tony Delroy May 13 '14 at 1:12 ...
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how to delete all cookies of my website in php

... There's no difference so far as I can tell (except the extra work). – jasonbar Feb 22 '10 at 12:35 11 ...
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using extern template (C++11)

....cpp template<typename T> void f(){} // Explicit instantiation for char. template void f<char>(); Main.cpp #include "TemplHeader.h" // Commented out from OP code, has no effect. // extern template void f<T>(); //is this correct? int main() { f<char>(); return 0...
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How many bytes does one Unicode character take?

... a programmer a hell when it comes to writing strlen(), substr() and other string manipulation functions on UTF8 arrays. This kind of work will be never complete and always buggy. – Nulik Sep 26 '16 at 16:15 ...
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

... But historically, Linux only required 4-byte stack alignment, so it took extra work to reserve naturally-aligned space even for an 8-byte double or something. Some other modern 32-bit systems still don't require more than 4 byte stack alignment. x86-64 System V user-space Function Calling conv...
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What's the best way to share data between activities?

...in the intent's extras or saving it somewhere else. If data is primitives, Strings or user-defined objects: send it as part of the intent extras (user-defined objects must implement Parcelable). If passing complex objects save an instance in a singleton somewhere else and access them from the launch...
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What does $_ mean in PowerShell?

... Working version with extra pipeline removed. gci | % { add-member -InputObject $_ -Type NoteProperty -Name Bar -Value $_.name -PassThru } | Select Bar – Xalorous Nov 23 '15 at 19:27 ...
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How do I get the last four characters from a string in C#?

Suppose I have a string: 19 Answers 19 ...