大约有 3,285 项符合查询结果(耗时:0.0388秒) [XML]

https://stackoverflow.com/ques... 

Java Reflection Performance

... If there really is need for something faster than reflection, and it's not just a premature optimization, then bytecode generation with ASM or a higher level library is an option. Generating the bytecode the first time is slower than just using reflection, but on...
https://stackoverflow.com/ques... 

Get Image size WITHOUT loading image into memory

... very fast and simple solution!! thank you! – Yev Guyduy Sep 11 at 16:24 add a comment  ...
https://stackoverflow.com/ques... 

Code coverage with Mocha

... thanks for adding "now(2017)" - really helpful in this fast moving javascript world – kamahl Feb 1 '18 at 9:43 2 ...
https://stackoverflow.com/ques... 

What is the difference between a .xib file and a .storyboard?

...ationships between elements defining their position and sizing. 3)Usually fast and allocates less memory. 4)It's not compatible prior to iOS 5 . 5)"Dynamic" and "Prototype" cells can be used easily. 6)Storyboards best to use for the apps with a small to medium amount of screens. The best Answer...
https://stackoverflow.com/ques... 

What is the difference between old style and new style classes in Python?

... Old style classes are still marginally faster for attribute lookup. This is not usually important, but it may be useful in performance-sensitive Python 2.x code: In [3]: class A: ...: def __init__(self): ...: self.a = 'hi there' ...: In [4]...
https://stackoverflow.com/ques... 

How to store arrays in MySQL?

... queries checking for existence of specific values in an array can be very fast. Same goes for complex JSON types. – timetofly Aug 6 '18 at 14:08 5 ...
https://stackoverflow.com/ques... 

What does Google Closure Library offer over jQuery? [closed]

... jQuery work really well and make possible great things with no effort and fast, so the "promise" of Closure is not to offer better algorithms but rather a really better, organized and maintainable way of deploying JavaScript applications [...] Coding in Closure means thinking with object oriented p...
https://stackoverflow.com/ques... 

Generate pdf from HTML in div using Javascript

...s done against every element in the node tree, my desire was to make it as fast as possible. In that case, it meant "Only element IDs are matched" The element IDs are still done in jQuery style "#id", but it does not mean that all jQuery selectors are supported. Therefore replacing '#ignorePDF' wi...
https://stackoverflow.com/ques... 

SQLAlchemy: cascade delete

...sponding rows in child_table will be deleted for you by the database. It's fast and reliable and probably your best bet. You set this up in SqlAlchemy through ForeignKey like this (part of the child table definition): parent_id = db.Column(db.Integer, db.ForeignKey('parent.id', ondelete='CASCADE')) ...
https://stackoverflow.com/ques... 

setImmediate vs. nextTick

...at the end of the current flow of execution, and are thus approximately as fast as calling a function synchronously. Left unchecked, this would starve the event loop, preventing any I/O from occurring. setImmediates are queued in the order created, and are popped off the queue once per loop iteratio...