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How to pull request a wiki page on GitHub?
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GitHub doesn't support pull requests for the wiki repository, only the main repository (this i...
Why is a round-trip conversion via a string not safe for a double?
...64(0xc350000000000000),
/*6*/ I64(0xf424000000000000),
/*7*/ I64(0x9896800000000000),
/*8*/ I64(0xbebc200000000000),
/*9*/ I64(0xee6b280000000000),
/*10*/ I64(0x9502f90000000000),
/*11*/ I64(0xba43b74000000000),
/*12*/ I64(0xe8d4a51000000000),
/*13*/ I64(0x9184e72a000...
What is the “FS”/“GS” register intended for?
...ritten code on 6809 (with and without paged memory), 6502, z80, 68k and 80[123]?86, my perspective is that segmented memory is a horror show and I'm glad it was consigned to the dustbin of history. The use of FS and GS for efficient access of thread_local data is a happy unintended consequence of an...
Client-server synchronization pattern / algorithm?
... a user's name has changed then the delta can be something like {revision: 123, name: "John Doe"}
– dipole_moment
Jan 3 '17 at 17:23
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Verifying signed git commits?
...e commit e18443e, commit aeff29d, commit ca194d5, commit 434060e, commit 8e98e5f, commit a4cc18f, commit d66aeff (21 Jun 2015) by brian m. carlson (bk2204).
(Merged by Junio C Hamano -- gitster -- in commit ba12cb2, 03 Aug 2015)
verify-tag/verify-commit: add option to print raw gpg status info...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...mbers, compressed size: 13683 compression factor: 0.34
bucket[1] contains: 9885 numbers, compressed size: 13479 compression factor: 0.34
...
bucket[98] contains: 10026 numbers, compressed size: 13612 compression factor: 0.34
bucket[99] contains: 10058 numbers, compressed size: 13701 compression fact...
What does “abstract over” mean?
... def add(a: Product, b: Product) = Product(a.value * b.value)
}
val sumOf123 = mapReduce(List(1,2,3), Sum)
val productOf456 = mapReduce(List(4,5,6), Product)
We have abstracted over monoids and foldables.
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What is 'Context' on Android?
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A Context is a handle to the system; it provides services like resolving resources, obtaining ...
What do
...use it with a Foo containing something other than a String:
scala> Foo(123).getStringLength
<console>:9: error: could not find implicit value for parameter evidence: =:=[Int,String]
You can read that error as "could not find evidence that Int == String"... that's as it should be! getStri...
Shared-memory objects in multiprocessing
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If you use an operating system that uses copy-on-write fork() semantics (like any common unix)...