大约有 10,000 项符合查询结果(耗时:0.0194秒) [XML]

https://stackoverflow.com/ques... 

How to check if element in groovy array/hash/collection/list?

... if those Ojbects are equal, and you've set it like this... import groovy.transform.EqualsAndHashCode @EqualsAndHashCode(includes = "settingNameId, value") then the .contains(myObjectToCompareTo) will evaluate the data in myObjectToCompareTo with the data for each Object instance in the Collectio...
https://stackoverflow.com/ques... 

How to convert an array of strings to an array of floats in numpy?

...x) x = np.fromstring( x, dtype=np.float, sep=',' ) Note, x = ','.join(x) transforms the x array to string '1.1, 2.2, 3.2'. If you read a line from a txt file, each line will be already a string. share | ...
https://stackoverflow.com/ques... 

Generic method multiple (OR) type constraint

...two possiblities: Define more than one method that defines each possible transformation, behavior, or whatever. That's Botz's answer. In the programming world this is referred to as Overloading the method. Define a base class or interface that knows how to do all the things that you need for the...
https://stackoverflow.com/ques... 

What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be

...ly easy to use. Includes a Geometry module with quaternions and geometric transforms. Low memory overhead. Full, highly performant solving of large NxN matrices and other general purpose mathematical routines. Downsides: May be a bit larger scope than you are wanting (?). Fewer geometric/render...
https://stackoverflow.com/ques... 

lenses, fclabels, data-accessor - which library for structure access and mutation is better

...ntation. data-lens [Edit: As of 1.8.0, these have moved from the comonad-transformers package to data-lens] My data-lens package provides lenses in terms of the Store comonad. newtype Lens a b = Lens (a -> Store b a) where data Store b a = Store (b -> a) b Expanded this is equivalent ...
https://stackoverflow.com/ques... 

What is the difference between native code, machine code and assembly code?

...k) understands and executes directly. All other code must be translated or transformed into machine code before your machine can execute it. Native code: This term is sometimes used in places where machine code (see above) is meant. However, it is also sometimes used to mean unmanaged code (see bel...
https://stackoverflow.com/ques... 

How to adjust an UIButton's imageSize?

...he other solution to scale imageView of UIButton. button.imageView?.layer.transform = CATransform3DMakeScale(0.8, 0.8, 0.8) share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Subqueries vs joins

... Optimizer didn't do a very good job. Usually they can be transformed without any difference and the optimizer can do this. share | improve this answer | fol...
https://stackoverflow.com/ques... 

What are type lambdas in Scala and what are their benefits?

...#IterateeM to refer to the type of the IterateeT monad specialized to some transformer version of a second monad which is specialized to some third monad. When you start to stack, these kinds of constructs become very necessary. I never instantiate an FG, of course; it's just there as a hack to let ...
https://stackoverflow.com/ques... 

Understanding slice notation

...ength of sequence. So, in theory, when you use "abcdef"[::-1] it should be transformed to "abcdef"[0:6:-1], but these two expressions does not get the same output. I feel that something is missing in python documentation since the creation of the language. – axell13 ...