大约有 3,285 项符合查询结果（耗时：0.0292秒） [XML]
django unit tests without a db
...est business logic which doesn't require the db to set up. And while it is fast to setup a db, I really don't need it in some situations.
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Clang vs GCC - which produces faster binaries? [closed]
...y) of binaries it produces - if gcc -O3 can produce a binary that runs 1% faster, or Clang binaries take up more memory or just fail due to compiler bugs, it's a deal-breaker.
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String concatenation vs. string substitution in Python
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Concatenation is (significantly) faster according to my machine. But stylistically, I'm willing to pay the price of substitution if performance is not critical. Well, and if I need formatting, there's no need to even ask the question... there's no option but...
What is the difference between Hibernate and Spring Data JPA
... live easy. Yes, it provides some classes and you can make some simple DAO fast, but in fact, it's all you can do.
If you want to do something more than findById() or save, you must go through hell:
no EntityManager access in org.springframework.data.repository classes (this is basic JPA class!)
o...
Conceptually, how does replay work in a game?
...er loop. With modern engines, the graphics are often allowed to update as fast as the GPU allows, with the engine ticking along at the level required for good, consistent resolution of the game dynamics (often a physics engine).
– Dan Bryant
Jun 17 '10 at 18:5...
Facebook Architecture [closed]
...f databases that are schema-less and document-oriented. They are much much faster and better for the most "common" type of web site/app.
Look at NEW companies like Foursquare and Smugmug and some other companies that are utilizing NEW technology and HOW they are using it. For as successful as Face...
Reset other branch to current without a checkout
...that you may need to pass -f (or use +current:other) if the update isn't a fast-forward.
– Lily Ballard
Jun 6 '13 at 7:41
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How do you copy the contents of an array to a std::vector in C++ without looping?
... is the old school solution - throw some C at the problem! Works fine and fast for POD types. In this case resize is required to be called since memcpy works outside the bounds of vector and there is no way to tell a vector that its size has changed. Apart from being an ugly solution (byte copyin...
How to create a trie in Python
...dard Python dict; the raw lookup speed is comparable; trie
also provides fast advanced methods like prefix search.
Based on marisa-trie C++ library.
Here's a blog post from a company using marisa trie successfully:
https://www.repustate.com/blog/sharing-large-data-structure-across-processes...
Select n random rows from SQL Server table
...a complex query on a very large table. No question that it was remarkably fast. I did get a variation in the number records returned as I ran this multiple times but all of them were within an acceptable margin of error.
– jessier3
Nov 23 '16 at 12:50
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