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Under what circumstances are linked lists useful?
...many small (de)allocations on inserts/deletes.
Initial loading of the hash table is pretty fast, because the array is filled sequentially (plays very nice with CPU cache).
Not to mention that a chaining hash table is expensive in terms of memory - and this "trick" cuts "pointer sizes" in half on x6...
Seeding the random number generator in Javascript
...334677,s)>>>0)/2**32;
These LCG values are from: P. L'Ecuyer: A table of Linear Congruential Generators of different sizes and good lattice structure, April 30 1997.
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What is the optimal Jewish toenail cutting algorithm?
... the fewer toes case is covered by the original algorithm (acceptable sequences for 5 toes are acceptable for 4 toes). It's those crazy extra toes that cause problems ;)
– flies
Oct 14 '11 at 14:47
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...eatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library call for pow(a,6) .)
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What makes a keychain item unique (in iOS)?
...
It may help to think of the kSecClass attribute as the table name, and the specified values above as just the primary key of the respective table.
– bobobobo
Oct 11 '13 at 12:33
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Confirm deletion in modal / dialog using Twitter Bootstrap?
I have an HTML table of rows tied to database rows. I'd like to have a "delete row" link for each row, but I would like to confirm with the user beforehand.
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How to parse the AndroidManifest.xml file inside an .apk package
...th word is 03 00 08 00
// 3rd word SEEMS TO BE: Offset at then of StringTable
// 4th word is: Number of strings in string table
// WARNING: Sometime I indiscriminently display or refer to word in
// little endian storage format, or in integer format (ie MSB first).
int numbStrings = LEW(xml,...
What is the difference between ELF files and bin files?
...to be loaded at a specific memory address. Whereas....
ELF files are Executable Linkable Format which consists of a symbol look-ups and relocatable table, that is, it can be loaded at any memory address by the kernel and automatically, all symbols used, are adjusted to the offset from that memory a...
Difference between std::system_clock and std::steady_clock?
...thinking about "steady" in this case is in the requirements defined in the table of 20.11.3 [time.clock.req]/2:
In Table 59 C1 and C2 denote clock types. t1 and t2 are values returned by C1::now() where the call returning t1 happens before the call returning t2 and both of these calls occur befo...
Can JSON start with “[”?
... this is
realized as an object, record,
struct, dictionary, hash table,
keyed list, or associative array.
An ordered list of values. In most languages, this is realized as an
array, vector, list, or sequence.
It then goes on to describe the two structures as:
Note that ...