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What blocks Ruby, Python to get Javascript V8 speed? [closed]
...timizations. For example, for certain operations, Rubinius's Hash class is faster than YARV's. Now, this doesn't sound terribly exciting until you realize that Rubinius's Hash class is implemented in 100% pure Ruby, while YARV's is implemented in 100% hand-optimized C.
So, at least in some cases, R...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...er arranges the branches so the common case is the not-taken one. This is faster even when branch prediction does work. Taken branches are problematic for instruction-fetch and decode even when they're predicted perfectly. Some CPUs statically predict branches that aren't in their history table, ...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
... the best and clean answer. Markdown is really cool. it really helps to do fast blogging. ^_^
– Ashok M A
Mar 23 '19 at 21:01
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How to implement common bash idioms in Python? [closed]
... string and
list methods as well as custom functions evolved to generate fast
results in an intense production environment.
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edited Mar 10 '13 at 10:55
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C++ equivalent of Java's toString?
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Perhaps this technique is fast and easy for passing options on what to serialize. Otherwise it would be required to define another class friending operator<< that is initialized with the options and the data to serialize.
–...
Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
...clipse 4.2 to 4.3. I'm adding this answer because I think this solution is fast, easy and safe compared to the other answer.
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Detach many subdirectories into a new, separate Git repository
...epo
git init
git-stitch-repo ../aaaRepo:apps/AAA ../xxxRepo:libs/XXX | git fast-import
This creates two branches, master-A and master-B, each holding the content of one of the stitched repos. To combine them and clean up:
git checkout master-A
git pull . master-B
git checkout master
git branch -d...
Change / Add syntax highlighting for a language in Sublime 2/3
... of nearly all of the default packages on Github, changes have been coming fast and furiously. The old JS syntax has been completely rewritten to include the best parts of JavaScript Next ES6 Syntax, and now is as fully ES6-compatible as can be. A ton of other changes have been made to cover corner ...
Purpose of memory alignment
...ver decades to facilitate getting more data, in, out, and between more and faster execution units–in a highly reliable way.
Bonus: Caches
Another alignment-for-performance that I alluded to previously is alignment on cache lines which are (for example, on some CPUs) 64B.
For more info on how mu...
How can I selectively merge or pick changes from another branch in Git?
... Careful though: If the git merge --no-commit branchX is just a fast-forward, the pointer will be updated, and the --no-commit is thus silently ignored
– cfi
Mar 12 '12 at 16:14
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